Issues

Special Issue in Honor of Rafael H. Villarreal on the Occasion of his 70th Birthday Edited by Isidoro Gitler, Carlos Renteria and Aron Simis. Issue editors: Isidoro Gitler, Carlos Renteria & Aron Simis

Opening note in Honor of Rafael H. Villarreal on the occasion of his 70th birthday

Isidoro Gitler, Carlos Rentería , Aron Simis

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Generalization of bi-canonical degrees

J. Brennan, L. Ghezzi, J. Hong, W. V. Vasconcelos

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Hilbert series and suspensions of graphs

Joseph Brennan, Susan Morey

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Polytope volume in Normaliz

Winfried Bruns

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A family of codes with variable locality and availability

Cícero Carvalho, Victor G. L. Neumann

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Radical support for multigraded ideals

A. Conca, E. De Negri, E. Gorla

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Counting square-free monomial Cremona maps

Lourdes Cruz, Enrique Reyes

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Oriented graphs whose toric ideals are a complete intersection

Bárbara Costa, Thiago Dias, Rodrigo Gondim, Ricardo Machado

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Regular sequences on squares of monomial ideals

Louiza Fouli, Tài Huy Hà, Susan Morey

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Saturation and vanishing ideals

Philippe Gimenez, Diego Ruano, Rodrigo San‑José

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Theta-ring graphs, IO-compatibility and Δ-matroids

Isidoro Gitler, Enrique Reyes, Guadalupe Rodríguez

Download PDF View article Pages 156-171

Classes of cut ideals and their Betti numbers

Jürgen Herzog, Masoomeh Rahimbeigi, Tim Römer

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Relative generalized Hamming weights of evaluation codes

Delio Jaramillo‑Velez, Hiram H. López, Yuriko Pitones

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Weight spectra of Gabidulin rank-metric codes and Betti numbers

Trygve Johnsen, Rakhi Pratihar, Hugues Verdure

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Restricted Gröbner fans and re-embeddings of affine algebras

Martin Kreuzer, Le Ngoc Long, Lorenzo Robbiano

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Hamming polynomial of a demimatroid

José Martínez‑Bernal, Miguel A. Valencia‑Bucio, Rafael H. Villarreal

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LCD codes arising from wavelets

Fernanda D. de Melo‑Hernández, César A. Hernández‑Melo, Horacio Tapia‑Recillas

Download PDF View article Pages 300-305

Parameterized codes over graphs

Jorge Neves, Maria Vaz Pinto

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Tight and adjusted equigenerated sequences, and the special fiber

Zaqueu Ramos, Aron Simis

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Licci level Stanley-Reisner ideals with height three

Giancarlo Rinaldo, Naoki Terai

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Frobenius methods in combinatorics

Alessandro De Stefani, Jonathan Montaño, Luis Núñez‑Betancourt

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Arithmetical structures on dominated polynomials

Carlos E. Valencia, Ralihe R. Villagrán

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2022

Volume 16, number 2, 2022

Abelian right McCoy rings and related notions

Henry Chimal-Dzul, Sergio López-Permouth, Steve Szabo

Download PDF View article Pages 659-674

Correction to: Abelian right McCoy rings and related notions

Henry Chimal-Dzul, Sergio López-Permouth, Steve Szabo

Download PDF View article Pages 675

SLE: differential invariants study

Grebenev, V., Grishkov, A

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On Lat-Igusa-Todorov algebras

Marcos Barrios, Gustavo Mata

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Repetitive cluster categories of type Dn

Viviana Gubitosi

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F-algebra–Rinehart pairs and super F-algebroids

John Alexander Cruz Morales, Javier A. Gutierrez, Alexander Torres‑Gomez

Download PDF View article Pages 727-742

Paired wreaths: 2-categorical background of a class of cross products

Bojana Femić

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Generalized derivations of Hom–Poisson color algebras

Valiollah Khalili

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A Brauer-Clifford-long group for the category of dyslectic (S, H)-dimodule algebras

Thomas Guédénon, Christophe Lopez Nango

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Strongly sum 2-irreducible submodules of a module

F. Farshadifar, H. Ansari‑Toroghy

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On graded Ie-primary submodules of graded modules over graded commutative rings

Shatha Alghueiri, Khaldoun Al‑Zoubi

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Rings which are duo on Zhou radical

Abdullah Harmanci, Yosum Kurtulmaz, Burcu Ungor

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Tours of a generalized knight on rectangular chessboards

Grady Bullington, Linda Eroh, Sarah Roth, Steven J. Winters

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Global stability of solutions with large initial conditions for the Navier–Stokes equations with damping

Maicon J. Benvenutt

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Persistence of periodic solutions from discontinuous planar piecewise linear Hamiltonian differential systems with three zones

Claudio Pessoa, Ronisio Ribeiro

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Adaptive three-term family of conjugate residual methods for system of monotone nonlinear equations

Mohammed Yusuf Waziri, Kabiru Ahmed, Abubakar Sani Halilu

Download PDF View article Pages 957-996

Coexistence of limit cycles in a septic planar differential system enclosing a non-elementary singular point, using Riccati equation

R. Allaoua, R. Cheurfa, A. Bendjeddou

Download PDF View article Pages 997-1006

Global attractor for weakly damped, forced mKdV equation in low regularity spaces

Prashant Goyal

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Remark on “When are all the zeros of a polynomial real and distinct?”

K. Castillo

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On the existence of pairs of primitive normal elements over finite fields

Mamta Rani, Avnish K. Sharma, Sharwan K. Tiwari, Indivar Gupta

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Factorization of Dickson polynomials over finite fields

Nelcy Esperanza Arévalo Baquero, Fabio Enrique Brochero Martinez

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On monogenity of certain pure number fields defined by x20−m

Lhoussain El Fadil

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On power integral bases of certain pure number fields defined by x3r−m

Hamid Ben Yakkou, Omar Kchit

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Little extension of Euler’s criterion for quadratic residue

Victor Pires Domingues

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Unit groups of some multiquadratic number fields of degree 16

Mohamed Mahmoud Chems‑Eddin, Abdelkader Zekhnini, Abdelmalek Azizi

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On certain new differential equations for ratio of theta functions

G. Vinay, H. T. Shwetha, K. N. Harshitha

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Homogeneous surfaces admitting invariant connections

David Blázquez‑Sanz, Luis Fernando Jiménez Buitrago, Carlos Alberto Marín Arango

Download PDF View article Pages 1110-1137

Characterization of manifolds of constant curvature by ruled surfaces

Luiz C. B. da Silva, José D. da Silva

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Existence of Bkα,β-structures on Ck-manifolds

Yuri Ximenes Martins, Rodney Josué Biezuner

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An excited random walk counter-example

Rafael Santos

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Explosion in a growth model with cooperative interaction on an infinite graph

Bruna de Oliveira Gonçalves, Marina Vachkovskaia

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A generalized transmuted uniform distribution

Mohamed I. Riffi, Saiful Islam Ansari, Mohammed S. Hamdan

Download PDF View article Pages 1222-1237

A closed-form expression of a remarkable sequence of polynomials originating from a family of entire functions connecting the Bessel and Lambert functions

Feng Qi, Aying Wan

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Difference sequence spaces based on Lucas band matrix and modulus function

S. A. Mohiuddine, Kuldip Raj, Anu Choudhary

Download PDF View article Pages 1249-1260

Existence results for sequential generalized Hilfer fractional differential inclusions with multi-point boundary conditions

Adel Lachouri, Abdelouaheb Ardjouni, Nesrine Gouri, Kamel Ali Khelil

Download PDF View article Pages 1261-1279

On some computable solutions of unified families of fractional differential equations

S. C. Pandey

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Existence and multiplicity of weak solutions for singular fourth-order elliptic systems

S. Heidari, A. Razani

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Existence of solutions for some quasilinear parabolic systems in Orlicz spaces

Elhoussine Azroul, Farah Balaadich

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Multiple solutions for a fourth order problem involving Leray-Lions type operator

Z. Musbah, A. Razani

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Chebyshev wavelet approximation of functions having first derivative of Holder’s class

Shyam Lal, Neha Patel

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The stability of N-dimensional quadratic functional inequality in non Archimedean Banach spaces

Y. Aribou, S. Kabbaj

Download PDF View article Pages 1382-1400

New common fixed point theorems for Górnicki-type mappings and enriched contractions

Pradip Debnath

Download PDF View article Pages 1401-1408

Volume 16, number 1, 2022

Special issue commemorating the Golden Jubilee of the Institute of Mathematics and Statistics of the University of São Paulo; Edited by J. Barrera, L. R. Fontes, C. Gorodski, C. Grotta Ragazzo, and Y. Kohayakawa

Opening Note: The Golden Jubilee of the Institute of Mathematics and Statistics of the University of São Paulo

Junior Barrera, Luiz Renato Fontes, Claudio Gorodski, Clodoaldo Grotta Ragazzo , Yoshiharo Kohayakawa

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Functorial relationships between multirings and the various abstract theories of quadratic forms

Hugo Rafael de Oliveira Ribeiro, Kaique Matias de Andrade Roberto, Hugo Luiz Mariano

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Units of group rings and a conjecture of H. J. Zassenhaus

C. Polcino Milies

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Organising the module category

Flávio U. Coelho

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Correction to: Organising the module category

Flávio U. Coelho

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A retrospect of the research in nonassociative algebras in IME-USP

L. S. I Murakami, L. A. Peresi, I. P. Shestakov

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Representations of Lie algebras

Vyacheslav Futorny

Download PDF View article Pages 131-156

Dan Henry’s work on perturbation of the boundary problems

Antonio L. Pereira

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Nonlinear dispersive equations: classical and new frameworks

Jaime Angulo Pava

Download PDF View article Pages 171-255

An encounter of classical differential geometry with dynamical systems in the realm of structural stability of principal curvature configurations

Jorge Sotomayor

Download PDF View article Pages 256-279

Waldyr Muniz Oliva and the “STABILITY OF MORSE-SMALE MAPS”

C. Grotta-Ragazzo, C. Peixoto

Download PDF View article Pages 280-281

Stability of Morse-Smale maps

W. M. Oliva

Download PDF View article Pages 282-313

Reeb flows, pseudo-holomorphic curves and transverse foliations

Naiara V. de Paulo, Pedro A. S. Salomão

Download PDF View article Pages 314-339

Dynamics of multicritical circle maps

Edson de Faria, Pablo Guarino

Download PDF View article Pages 340-395

A nonlinear theory of generalized functions

A. R. Garcia, S. O. Juriaans, J. Oliveira, W. M. Rodrigues

Download PDF View article Pages 396-405

On Mazur rotations problem and its multidimensional versions

Félix Cabello Sánchez, Valentin Ferenczi, Beata Randrianantoanina

Download PDF View article Pages 406-458

From isoparametric submanifolds to polar foliations

Gudlaugur Thorbergsson

Download PDF View article Pages 459-472

Isoparametric families of submanifolds

Carlos Edgard Harle

Download PDF View article Pages 473-485

Global bifurcation for a class of nonlinear ODEs

Renato G. Bettiol, Paolo Piccione

Download PDF View article Pages 486-507

Some aspects of Reidemeister fixed point theory, equivariant fixed point theory and coincidence theory

L. D. Borsari, F. Cardona, D. L. Gonçalves

Download PDF View article Pages 508-538

Estimation of nonparametric regression models by wavelets

Pedro A. Morettin, Rogério F. Porto

Download PDF View article Pages 539-565

The e-value: a fully Bayesian significance measure for precise statistical hypotheses and its research program

C. A. B. Pereira, J. M. Stern

Download PDF View article Pages 566-584

Techniques and results on approximation algorithms for packing circles

Flávio K. Miyazawa, Yoshiko Wakabayashi

Download PDF View article Pages 585-615

From Mathematical Morphology to machine learning of image operators

Junior Barrera, Ronaldo F. Hashimoto, Nina S. T. Hirata, R. Hirata Jr., Marcelo. S. Reis

Download PDF View article Pages 616-657

2021

Volume 15, number 2, 2021

In This Issue: Special Section: Jean-Louis Koszul in São Paulo, His Work and Legacy (Edited by C. Gorodski) and Special Section: Geometry in Algebra and Algebra in Geometry (Edited by H. Bursztyn,V. Futorny, P. Hernandez Rizzo, K. Iusenko, and C. Ortiz)

Opening note: Jean‑Louis Koszul in São Paulo, his work and legacy

Claudio Gorodski

Download PDF View article Pages 493-494

Koszul complexes and spectral sequences associated with Lie algebroids

Ugo Bruzzo, Vladimir N. Rubtsov

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Modular classes of Jacobi bundles

Mamadou Lamarana Diallo, Aïssa Wade

Download PDF View article Pages 505-523

The classifying Lie algebroid of a geometric structure II: G‑structures with connection

Rui Loja Fernandes, Ivan Struchiner

Download PDF View article Pages 524-570

On sheaf cohomology and natural expansions

Ana Luiza Tenorio, Hugo Luiz Mariano

Download PDF View article Pages 571-614

Workshop on geometry in algebra and algebra in geometry

H. Bursztyn, V. Futorny, P. Hernandez Rizzo, K. Iusenko, C. Ortiz

Download PDF View article Pages 615-616

Liouvillian solutions for second order linear differential equations with polynomial coefficients

Primitivo B. Acosta‑Humánez, David Blázquez‑Sanz, Henock Venegas‑Gómez

Download PDF View article Pages 617-636

The higher Riemann-Hilbert correspondence and principal 2-bundles

Camilo Arias Abad, Sebastián Vélez Vásquez

Download PDF View article Pages 637-660

20 Open questions about deformations of compactifiable manifolds

Edoardo Ballico, Elizabeth Gasparim, Francisco Rubilar

Download PDF View article Pages 661-681

On the Hodge conjecture for quasi‑smooth intersections in toric varieties

Ugo Bruzzo, William Montoya

Download PDF View article Pages 682-694

Periodic string complexes over string algebras

Andrés Franco, Hernán Giraldo, Pedro Rizzo

Download PDF View article Pages 695-719

Lecture notes on quivers with superpotential and their representations

Alexander Quintero Vélez, Fabricio Valencia

Download PDF View article Pages 720-743

Transformation groups of certain flat affine manifolds

O. Saldarriaga, A. Flórez

Download PDF View article Pages 744-753

Some remarks on blueprints and F1-schemes

Claudio Bartocci, Andrea Gentili, Jean-Jacques Szczeciniarz

Download PDF View article Pages 754-789

Properties of schemes of morphisms and applications to blow-ups

Lucas das Dores

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Compressible Navier–Stokes–Fourier flows at steady-state

Luisa Consiglieri

Download PDF View article Pages 812-838

Existence, uniqueness and stability of fractional impulsive functional differential inclusions

J. Vanterler da C. Sousa, Kishor D. Kucche

Download PDF View article Pages 839-857

Limit cycles of 3-dimensional discontinuous piecewise differential systems formed by linear centers

Jaume LLibre, Jaime R. de Moraes

Download PDF View article Pages 858-874

Hyperbolic measures for certain dynamics on T4

Carlos F. Álvarez

Download PDF View article Pages 875-881

Local generic behavior of a planar Filippov system with non-smooth switching curve

Juliana Larrosa, Tere M‑Seara, Marco Antonio Teixeira

Download PDF View article Pages 882-915

Generalized Ricci soliton and paracontact geometry

Devaraja Mallesha Naik, V. Venkatesha, H. Aruna Kumara

Download PDF View article Pages 916-927

Correction to: Generalized Ricci soliton and paracontact geometry

Devaraja Mallesha Naik, V. Venkatesha, H. Aruna Kumara

Download PDF View article Pages 928

Description of partial actions

Wagner Cortes, Eduardo N. Marcos

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Partial groupoid actions on sets and topological spaces

Víctor Marín, Héctor Pinedo

Download PDF View article Pages 940-956

Iterative method to find approximate solution of system of integral equations via generalized Meir–Keeler condensing operator

Anupam Das, Bipan Hazarika, Nipen Saikia, Nihar Kumar Mahato

Download PDF View article Pages 957-972

Emergence of new category of continued fractions from the Sturm–Liouville problem and the Schrödinger equation

Celso de Araujo Duarte

Download PDF View article Pages 973-995

Local well-posedness for the quadratic Schrödinger equation in two-dimensional compact manifolds with boundary

Marcelo Nogueira, Mahendra Panthee

Download PDF View article Pages 996-1024

Mathematical modeling applied to epidemics: an overview

Angélica S. Mata, Stela M. P. Dourado

Download PDF View article Pages 1025-1044

On cubic torsors, biextensions and Severi–Brauer varieties over Abelian varieties

Nathan Grieve

Download PDF View article Pages 1045-1074

RETRACTED ARTICLE: Structure and minimal generating sets of Sylow 2-subgroups of alternating groups

Ruslan Skuratovskii

Download PDF View article Pages 1075

Volume 15, number 1, 2021

In This Issue: Special Section: An Homage to Manfredo P. do Carmo; Edited by C. Gorodski and P. Piccione

Opening note: An homage to Manfredo P. do Carmo

Claudio Gorodski, Paolo Piccione

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Leaf space isometries of singular Riemannian foliations and their spectral properties

Ian M. Adelstein, M. R. Sandoval

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Functional calculus and harmonic analysis in geometry

Lashi Bandara

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The Kempf–Ness Theorem and invariant theory for real reductive representations

Leonardo Biliotti

Download PDF View article Pages 54-74

Submanifold geometry in symmetric spaces of noncompact type

J. Carlos Díaz-Ramos, Miguel Domínguez-Vázquez, Víctor Sanmartín-López

Download PDF View article Pages 75-110

Certain submanifolds of complex space forms

Mirjana Djorió, Masafumi Okumura

Download PDF View article Pages 111-126

Bott–Thom isomorphism, Hopf bundles and Morse theory

Jost-Hinrich Eschenburg, Bernhard Hanke

Download PDF View article Pages 127-174

Geometric structures and configurations of flags in orbits of real forms

Elisha Falbel, Antonin Guilloux, Qingxue Wang

Download PDF View article Pages 175-213

Differentiability properties of the isoperimetric profile in complete noncompact Riemannian manifolds with C0 -locally asymptotic bounded geometry

Abraham Enrique Muñoz Flores

Download PDF View article Pages 214-224

Representations of compact Lie groups of low cohomogeneity

Francisco J. Gozzi

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Recent results on the spectra of lens spaces

Emilio A. Lauret, Roberto J. Miatello, Juan Pablo Rossetti

Download PDF View article Pages 240-267

Morse theory for the area functional

Fernando C. Marques, André Neves

Download PDF View article Pages 268-279

Explicit soliton for the Laplacian co-flow on a solvmanifold

Andrés J. Moreno, Henrique N. Sá Earp

Download PDF View article Pages 280-292

Submanifolds, holonomy, and homogeneous geometry

Carlos Olmos

Download PDF View article Pages 293-304

A list of open problems in differential geometry

Frank Morgan, Pierre Pansu

Download PDF View article Pages 305-321

Characterizing closed linear Weingarten spacelike submanifolds immersed in the de Sitter space

Eudes L. de Lima, Henrique L. de Lima

Download PDF View article Pages 322-334

On a class of almost Kenmotsu manifolds admitting an Einstein like structure

Dibakar Dey, Pradip Majhi

Download PDF View article Pages 335-343

Modelling the impact of plasma therapy and immunotherapy for recovery of COVID-19 infected individuals

Nita H. Shah, Ankush H. Suthar, Ekta N. Jayswal, Nehal Shukl, Jagdish Shukla

Download PDF View article Pages 344-364

On the freeness problem for truncated current algebras

Germán Benitez, Henrique Rocha

Download PDF View article Pages 365-382

Common fixed points of Kannan, Chatterjea and Reich type pairs of self-maps in a complete metric space

Pradip Debnath, Zoran D. Mitrovic , Sun Young Cho

Download PDF View article Pages 383-391

Fractional order model for yield through diagnosed/undiagnosed soil

Nita H. Shah, Ekta N. Jayswal, Purvi M. Pandya

Download PDF View article Pages 392-403

On the cyclic order distribution and partitioning of linear cyclic codes

Gustavo Terra Bastos, José Sampaio de Lemos‑Neto

Download PDF View article Pages 404-418

Limit cycles bifurcating from a zero-Hopf equilibrium of a 3-dimensional continuous differential system

Sara Kassa, Jaume Llibre, Amar Makhlouf

Download PDF View article Pages 419-426

Infinitely many solutions of a quasilinear elliptic equation with nonlinearity oscillating close to zero

Anderson L. A. de Araujo, Rafael dos Reis Abreu

Download PDF View article Pages 427-434

Generalized Riemann-Liouville and Liouville-Caputo time fractional evolution equations associated to the number operator

Ziyad A. Alhussain, Habib Rebei, Hafedh Rguigui, Anis Riahi

Download PDF View article Pages 435-449

On graded 1-absorbing prime ideals

Rashid Abu‑Dawwas, Eda Yıldız, Ünsal Tekir, Suat Koç

Download PDF View article Pages 450-462

Caputo-Hadamard implicit fractional differential equations with delay

Salim Krim, Saïd Abbas, Mouffak Benchohra

Download PDF View article Pages 463-484

On zeros of polynomials in best Lp-approximation and inserting mass points

Kenier Castillo, Marisa de Souza Costa, Fernando Rodrigo Rafaeli

Download PDF View article Pages 485-492

2020

Volume 14 , number 2, 2020

The finite subgroups of SL(3,F)

Yuval Z. Flicker

Download PDF View article Pages 407-436

Linearly reductive finite subgroup schemes of SL(3)

Yuval Z. Flicker

Download PDF View article Pages 437-442

Explicit examples in ergodic optimization

Hermes H. Ferreira, Artur O. Lopes , Elismar R. Oliveira

Download PDF View article Pages 443-480

Deformation theories controlled by Hochschild cohomologies

Samuel Carolus, Samuel A. Hokamp, Jacob Laubacher

Download PDF View article Pages 481-495

Differential geometry of spatial curves for gauges

Vitor Balestro, Horst Martini, Makoto Sakaki

Download PDF View article Pages 496-509

The Cκhmr minimal surfaces

Tânia M. Machado de Carvalho, Fernanda Alves Caixeta

Download PDF View article Pages 510-530

An elementary proof for the number of supersingular elliptic curves

Luís R. A. Finotti

Download PDF View article Pages 531-538

Regularized determinant of the Laplacian on forms over spheres

F. S. Rafael

Download PDF View article Pages 539-561

Some geometric results on K-theory with Z/kZ-coefficients

Adnane Elmrabty

Download PDF View article Pages 562-579

Generalized Riccati Wick differential equation and applications

Marwa Missaoui, Hafedh Rguigui, Slaheddine Wannes

Download PDF View article Pages 580-595

A linear approximation for solutions of Abel–Volterra integral equations

Mostefa Nadir

Download PDF View article Pages 596-604

Theorems connecting Stieltjes transform and Hankel transform

Virendra Kumar

Download PDF View article Pages 605-613

Some properties of several functions involving polygamma functions and originating from the sectional curvature of the beta manifold

Feng Qi

Download PDF View article Pages 614-630

An alternative perspective on pure-projectivity of modules

Yusuf Alagöz, Yılmaz Durg̃u

Download PDF View article Pages 631-650

Results related to self-injectivity of the group ring

Ryan C. Schwiebert

Download PDF View article Pages 651-664

On piece-wise permutation polynomials

Fangmin Zhou

Download PDF View article Pages 665-674

On derivations involving prime ideals and commutativity in rings

A. Mamouni, L. Oukhtite, M. Zerra

Download PDF View article Pages 675-688

Rings in which every nonzero weakly prime ideal is prime

Abdelhaq El Khalfi, Najib Mahdou, Youssef Zahir

Download PDF View article Pages 689-697

On the integral ideals of R[X] when R is a special principal ideal ring

M. E. Charkani, B. Boudine

Download PDF View article Pages 698-702

On the classification of simple Lie algebras of dimension seven over fields of characteristic 2

Alexander Grishkov, Marinês Guerreiro, Wilian Francisco de Araujo

Download PDF View article Pages 703-713

Explicit descriptions of spectral properties of Laplacians on spheres SN(N≥1): a review

Richard Olu Awonusika

Download PDF View article Pages 714-755

Volume 14 , number 1, 2020

The theory of figures of Clairaut with focus on the gravitational modulus: inequalities and an improvement in the Darwin–Radau equation

Clodoaldo Ragazzo

Download PDF View article Pages 1-48

Limit cycles for two classes of control piecewise linear differential systems

Jaume Llibre, Regilene D. Oliveira, Camila Ap. B. Rodrigues

Download PDF View article Pages 49-65

Combinatorial micro–macro dynamical systems

Rafael Díaz, Sergio Villamarín

Download PDF View article Pages 66-122

Invariant solutions for gradient Ricci almost solitons

Benedito Leandro, Romildo Pina, Tatiana Pires Fleury Bezerra

Download PDF View article Pages 123-138

A classification of small operators using graph theory

Terrence Bisson, Jonathan Lopez

Download PDF View article Pages 139-151

Isomorphism invariants for linear quasigroups

Jonathan D. H. Smith, Stefanie G. Wang

Download PDF View article Pages 152-164

Nearly Frobenius structures in some families of algebras

Dalia Artenstein, Ana González, Gustavo Mata

Download PDF View article Pages 165-184

Big lattices of module classes induced by preradicals

Erwin Cerda-León, Hugo Rincón-Mejía

Download PDF View article Pages 185-206

Gelfand–Kirillov dimension for rings

Oswaldo Lezama, Helbert Venegas

Download PDF View article Pages 207-222

Continuity of the flow and robustness for evolution equations with non globally Lipschitz forcing term

Jacson Simsen, Mariza Stefanello Simsen, Marcos Roberto Teixeira Primo

Download PDF View article Pages 223-241

Complex Bohnenblust–Hille inequality whose monomials have indices in an arbitrary set

Fernando C. Alves, Diana Marcela Serrano Rodrígues

Download PDF View article Pages 242-248

On the apparatus of differentiation DI–DV for posets

Agustín Moreno Cañadas, Veronica Cifuentes Vargas

Download PDF View article Pages 249-286

An improved error bound on the boundary inversion for a sideways heat equation

Zhenming Zheng, Zhenping Li, Xiangtuan Xiong

Download PDF View article Pages 287-300

Measure zero stability problem of a generalized quadratic functional equation

Iz-iddine EL-Fassi, Samir Kabbaj, Abdellatif Chahbi

Download PDF View article Pages 301-311

Rings with modules having a restricted injectivity domain

Yılmaz Mehmet Demirci, Burcu Nişancı Türkmen, Ergül Türkmen

Download PDF View article Pages 312-326

Investigation of the spectrum of singular Sturm–Liouville operators on unbounded time scales

Bilender P. Allahverdiev, Hüseyin Tuna

Download PDF View article Pages 327-340

On two extensions of the classical zero-divisor graph

Malik Bataineh, Driss Bennis, Jilali Mikram, Fouad Taraza

Download PDF View article Pages 341-350

Weakly left cancellative semirings with derivations

Vincenzo DE Filippis, Abdellah Mamouni, Lahcen Oukhtite

Download PDF View article Pages 351-360

Weak T-coalgebra DT(H) and its representation category

Ling Jia

Download PDF View article Pages 361-380

Existence and uniqueness of positive solutions for first-order nonlinear Liouville–Caputo fractional differential equations

Abdelouaheb Ardjouni, Ahcene Djoudi

Download PDF View article Pages 381-390

An elementary heuristic for Hardy–Littlewood extended Goldbach’s conjecture

Christian Táfula

Download PDF View article Pages 391-405

2019

Volume 13 , number 2, 2019

In this Issue: Special Section: Nonlinear Dispersive Equations; Guest Editors: J. Angulo, J. Bona, F. Linares, G. Ponce, L. Vega

Opening note: third workshop on nonlinear dispersive equations, IMECC-UNICAMP, 2017

J. Angulo, J. Bona, F. Linares, G. Ponce, L. Vega

Download PDF View article Pages 381-382

On the ill-posedness of the 5th-order Gardner equation

Miguel A. Alejo, Eleomar Cardoso Jr.

Download PDF View article Pages 383-390

The Akhmediev breather is unstable

Miguel A. Alejo, Luca Fanelli, Claudio Muñoz

Download PDF View article Pages 391-401

Initial boundary value problem for Korteweg–de Vries equation: a review and open problems

Roberto A. Capistrano-Filho, Shu-Ming Sun, Bing-Yu Zhang

Download PDF View article Pages 402-417

Initial boundary value problems for some nonlinear dispersive models on the half-line: a review and open problems

Márcio Cavalcante

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On instability of solitons in the 2d cubic Zakharov–Kuznetsov equation

Luiz Gustavo Farah, Justin Holmer, Svetlana Roudenko

Download PDF View article Pages 435-446

Orbital stability of periodic traveling-wave solutions for a dispersive equation

Fábio Natali

Download PDF View article Pages 447-464

Instability of standing waves for nonlinear Schrödinger equation with delta potential

Masahito Ohta

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On the periodic Cauchy problem for a coupled system of third-order nonlinear Schrödinger equations

M. Scialom, L. M. Bragança

Download PDF View article Pages 475-498

Gentle introduction to Soergel bimodules I: the basics

Nicolas Libedinsky

Download PDF View article Pages 499-538

Equivariant de Rham cohomology: theory and applications

Oliver Goertsches, Leopold Zoller

Download PDF View article Pages 539-596

Derivation rings of Lie rings

Orest D. Artemovych

Download PDF View article Pages 597-614

Super-biderivations and linear super-commuting maps on the super- BMS3 algebra

Xiao Cheng, Jiancai Sun

Download PDF View article Pages 615-627

Some advances about the existence of compact involutions in semisimple Hopf algebras

Andrés Abella

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Prime gaps and the Firoozbakht Conjecture

Luan Alberto Ferreira, Hugo Luiz Mariano

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Singularities of a surface given by Kenmotsu-type formula in Euclidean three-space

Luciana F. Martins, Kentaro Saji, Keisuke Teramoto

Download PDF View article Pages 663-677

The n-dimensional Peano Curve

Joaquim E. de Freitas, Ronaldo F. de Lima, Daniel T. dos Santos

Download PDF View article Pages 678-688

Some results on finite trifactorized groups

Enrico Jabara

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Korovkin type approximation theorems via power series method

E. Taş, Ö. G. Atlıhan

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A quasi-linear utility function of fractional agent-based computational economic systems defined by Palm calculus

Rabha W. Ibrahim

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Commentary to: “On a list of ordinary differential equations problems”

Claudio Gorodski

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Volume 13 , number 1, 2019

In this Issue: Special Section Dedicated to Ivan Shestakov on the Occasion of His 70th Birthday; Guest Editors: Iryna Kashuba and Efim Zelmanov

On the bosonization of the super Jordan plane

Nicolás Andruskiewitsch, Dirceu Bagio, Daiana Flôres

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Jordan counterparts of Rickart and Baer ∗ -algebras, II

Shavkat Ayupov, Farhodjon Arzikulov

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Distinguishing simple algebras by means of polynomial identities

Yuri Bahturin, Felipe Yasumura

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Exponential maps of a polynomial ring in two variables

Anthony J. Crachiola, Leonid G. Makar-Limanov

Download PDF View article Pages 73-82

Explicit construction of irreducible modules for Uq(gln)

Vyacheslav Futorny, Luis Enrique Ramirez, Jian Zhang

Download PDF View article Pages 83-95

On finite presentability and the homological type FPn of Lie algebras: a survey

Dessislava H. Kochloukova

Download PDF View article Pages 96-111

Brackets, superalgebras and spectral gap

Consuelo Martínez, Efim Zelmanov

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The loop of formal power series with noncommutative coefficients under substitution

J. M. Pérez-Izquierdo

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On Jordan doubles of slow growth of Lie superalgebras

Victor Petrogradsky, I. P. Shestakov

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On a list of ordinary differential equations problems

Jorge Sotomayor

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Recent developments around partial actions

M. Dokuchaev

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The KMS condition for the homoclinic equivalence relation and Gibbs probabilities

A. O. Lopes, G. Mantovani

Download PDF View article Pages 248-282

A Lyapunov function for fully nonlinear parabolic equations in one spatial variable

Phillipo Lappicy, Bernold Fiedler

Download PDF View article Pages 283-291

Derivations of Lotka-Volterra algebras

Juan C. Gutierrez Fernandez, Claudia I. Garcia

Download PDF View article Pages 292-304

Decompositions of Banach spaces C(K) with few operators

Rogério Augusto dos Santos Fajardo, Alirio Gómez Gómez, Leonardo Pellegrini

Download PDF View article Pages 305-319

Scalar curvature estimates of constant mean curvature hypersurfaces in locally symmetric spaces

Eudes L. de Lima, Henrique F. de Lima, Fábio R. dos Santos, Marco A. L. Velásquez

Download PDF View article Pages 320-341

On the combinatorics of the universal enveloping algebra Ûh(sl2)

Rafael Díaz, Edward Salamanca

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On the regularity of matrices with uniform polynomial entries

Frank Klinker, Christoph Reineke

Download PDF View article Pages 370-379

2018

Volume 12 , number 2, 2018

Special Issue: In Honor of Joseph A. Wolf on the Occasion of His 80th Birthday, Guest Editors: Alan Huckleberry and Ivan Penkov

Opening Note: In honor of Joseph A. Wolf on the occasion of his 80th birthday

Claudio Gorodski

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Some recollections of a visit to São Paulo in 1966

Joseph A. Wolf

Download PDF View article Pages 172-173

The symplectic area of a geodesic triangle in a Hermitian symmetric space of compact type

Mads Aunskjær Bech, Jean-Louis Clerc , Bent Ørsted

Download PDF View article Pages 174-195

The restriction principle and commuting families of Toeplitz operators on the unit ball

Matthew Dawson, Gestur Ólafsson, Raúl Quiroga-Barranco

Download PDF View article Pages 196-226

Killing-Yano 2-forms on homogeneous spaces

Isabel G. Dotti, Andrea C. Herrera

Download PDF View article Pages 227-245

A geometric proof of the Poincaré-Birkhoff-Witt Theorem

Michael Eastwood

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A look at representations of SL2(Fq) through the lens of size

Shamgar Gurevich, Roger Howe

Download PDF View article Pages 252-277

Normal bundles of cycles in flag domains

Jaehyun Hong, Alan Huckleberry, Aeryeong Seo

Download PDF View article Pages 278-289

On the existence of infinite-dimensional generalized Harish-Chandra modules

Ivan Penkov, Gregg Zuckerman

Download PDF View article Pages 290-294

Laplacians on spheres

Henrik Schlichtkrull, Peter E. Trapa, David A. Vogan Jr.

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Representations of a central extension of the simple Lie superalgebra p(3)

Vera Serganova

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Pre-sequences of matrix orthogonal polynomials

Juan Tirao

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Characteristic cycles of highest weight Harish-Chandra modules

R. Zierau

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Volume 12 , number 1, 2018

In honor of Waldyr Muniz Oliva: opening note on the occasion of the 6th IST-IME meeting, September 5–9, 2016, Instituto Superior Técnico, Lisbon, Portugal, on differential equations and related topics

Luis T. Magalhães

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Spectral theory for invertible cocycles under nonuniform hyperbolicity

Luis Barreira, Claudia Valls

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Sturm 3-ball global attractors 1: Thom–Smale complexes and meanders

Bernold Fiedler, Carlos Rocha

Download PDF View article Pages 18-67

On the existence of heteroclinic connections

Giorgio Fusco, Giovanni F. Gronchi, Matteo Novaga

Download PDF View article Pages 68-81

Minimal time splines on the sphere

Teresa Stuchi, Paula Balseiro, Alejandro Cabrera, Jair Koiller

Download PDF View article Pages 82-107

On the location of the minimum point in the Euclidean distance sum problem

Luis Fernando Mello, Lucas Ruiz dos Santos

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Periodic orbits of continuous and discontinuous piecewise linear differential systems via first integrals

Jaume Llibre, Marco Antonio Teixeira

Download PDF View article Pages 121-135

Vakonomic versus nonholonomic mechanics revisited

Gláucio Terra

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Nonstandard separation of variables for the Maxwell–Bloch conservative system

Gianluca Gorni, Gaetano Zampieri

Download PDF View article Pages 146-169

2017

Volume 11 , number 2, 2017

Essential idempotents and codes of constant weight

Gladys Chalom, Raul A. Ferraz, César Polcino Milies

Download PDF View article Pages 253-260

The Heisenberg product: from Hopf algebras and species to symmetric functions

Marcelo Aguiar, Walter Ferrer Santos, Walter Moreira

Download PDF View article Pages 261-311

Representations of the super Jordan plane

Nicolás Andruskiewitsch, Dirceu Bagio, Saradia Della Flora, Daiana Flôres

Download PDF View article Pages 312-325

Group gradings on the Lie and Jordan algebras of upper triangular matrices

Eduardo Hitomi, Plamen Koshlukov, Felipe Yasumura

Download PDF View article Pages 326-347

The representation dimension of Artin algebras

Flávio U. Coelho

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Non-abelian tensor product of residually finite groups

R. Bastos, N. R. Rocco

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On the separability of the partial skew groupoid ring

Dirceu Bagio, Hector Pinedo

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Some remarks on the Jordan–Chevalley decomposition

Alberto Dolcetti, Donato Pertici

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On the planarity of a graph associated to a commutative ring and on the planarity of its complement

S. Visweswaran, Patat Sarman

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Perturbation of a globally stable equilibrium: application on an age-structured model

Yannick Tchaptchie Kouakep

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On the umbilicity of complete linear Weingarten spacelike hypersurfaces immersed in a locally symmetric Lorentz space

Henrique F. de Lima, Fábio R. dos Santos, Marco A. L. Velásquez

Download PDF View article Pages 456-470

Discrete versus continuous operational calculus in antagonistic stochastic games

Jewgeni H. Dshalalow, Kenneth Iwezulu

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Volume 11 , number 1, 2017

Classification problems in 2-representation theory

Volodymyr Mazorchuk

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On a discrete version of length metrics

Pedro Zühlke

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On HC -subgroups of finite groups

Xianbiao Wei, Zhilong Hu

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Group algebras of metacyclic groups over finite fields

Samir Assuena, César Polcino Milies

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Representation theory of Zn -graded Lie algebras

Yuly Billig

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The Igusa–Todorov function for comodules

Mariana Haim, Marcelo Lanzilotta , Gustavo Mata

Download PDF View article Pages 59-67

Quasi-hereditary algebras and the category of modules with standard filtration

Dag Oskar Madsen

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Hochschild cohomology: some applications in representation theory of algebras

Juan Carlos Bustamante

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Absolute convergence of multiple Fourier series of functions of ϕ(Λ1,…,ΛN)-bounded variation

Bhikha Lila Ghodadra

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Exploring a Fourier–Malliavin numerical model

Paulo R. Ruffino

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Almost involutive Hopf-Ore extensions of low dimension

Andrés Abella, Daiane Freitas, Andrea Morgado

Download PDF View article Pages 133-147

Boundary value problems for impulsive Bagley–Torvik models involving the Riemann–Liouville fractional derivatives

Yuji Liu

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Suprema of continuous functions on connected spaces

André Santoleri Villa Barbeiro, Rogério Augusto dos Santos Fajardo

Download PDF View article Pages 189-199

Lorentz hypersurfaces satisfying △H→=αH→ with non diagonal shape operator

Deepika, Andreas Arvanitoyeorgos, Ram Shankar Gupta

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Groups of module automorphisms and Krull dimension and codimension

B. A. F. Wehrfritz

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Cone b2 -metric spaces over Banach algebra with applications

Jerolina Fernandez, Neeraj Malviya, Kalpana Saxena

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On two classes of digroups

Anatolii Zhuchok, Yurii Zhuchok

Download PDF View article Pages 240-252

2016

Volume 10 , number 2, 2016

Some words about Prof. Cesar Polcino

Jairo Zacarias Gonçalves, Ivan Shestakov, Said Najati Sidki

Download PDF View article Pages 165-166

Bases consisting of units for Leavitt path algebras

Sergio R. López-Permouth, Nick Pilewski

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Relativization, absolutization, and latticization in Ring and Module Theory

Toma Albu

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Polynomial identities and algebraic combinatorics on words

Antonio Giambruno, Mikhail Zaicev

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Oriented group involutions in group algebras: a survey

John H. Castillo, Alexander Holguín-Villa

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Minimal varieties of associative PI (super)-algebras with respect to their (graded) exponent

Onofrio Mario Di Vincenzo, Ernesto Spinelli

Download PDF View article Pages 248-262

Codimension and colength sequences of algebras and growth phenomena

S. Mishchenko, A. Valenti

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Almost involutive Hopf algebras

Andrés Abella, Walter Ferrer Santos

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Quivers and Latin squares

V. V. Kirichenko, M. A. Khibina, V. M. Zhuravlev, O. V. Zelensky

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Some results on the structure of a class of commutative power-associative nilalgebras of nilindex four

Iván Correa, Irvin Roy Hentzel, Alicia Labra

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On algebras of polynomial codimension growth

Daniela La Mattina

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Minimal ideals in finite abelian group algebras and coding theory

Gladys Chalom, Raul Antonio Ferraz, Marinês Guerreiro

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Introduction to Brauer theory for profinite groups

John William MacQuarrie

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Group algebras and coding theory

Marinês Guerreiro

Download PDF View article Pages 346-371

Morita, Galois, and the trace map: a survey

Antonio Paques

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Volume 10 , number 1, 2016

Planar surfaces in positive characteristic.

José Felipe Voloch

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Generalized root systems and the affine Lie superalgebra G(¹)(3)

Hiroyuki Yamane

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Vector fields on Π -symmetric flag supermanifolds

E. G. Vishnyakova

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On an isoperimetric inequality and various methods for the Bernoulli’s free boundary problems

Diaraf Seck

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d-Hermite rings and skew PBW extensions

Oswaldo Lezama, Claudia Gallego

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Stratifying systems over the hereditary path algebra with quiver A p,q

Paula Cadavid, Eduardo do N. Marcos

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Ball convergence theorems for Maheshwari-type eighth-order methods under weak conditions

Ioannis K. Argyros, Santhosh George

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On commutative finite-dimensional nilalgebras

Juan C. Gutierrez Fernandez, Claudia I. Garcia

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Free symmetric and unitary pairs in group algebras with involution

Jairo Z. Gonçalves, Mazi Shirvani

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On partial H-radicals of Jacobson type

Rafael Cavalheiro, Alveri Sant’Ana

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2015

Volume 9 , number 2, 2015

Special Issue: Dedicated to the distinguished Brazilian mathematician Prof. Orlando Francisco Lopes on the occasion of his 70th birthday

Um pouco sobre a vida matemática de Orlando Francisco Lopes

Waldyr Muniz Oliva

Download PDF View article Pages 141-145

A Fujita-type blowup result and low energy scattering for a nonlinear Schrödinger equation

Thierry Cazenave, Simão Correia, Flávio Dickstein, Fred B. Weissler

Download PDF View article Pages 146-161

Homogenization problems in the calculus of variations: an overview

José Matias, Marco Morandotti

Download PDF View article Pages 162-180

Asymptotic behavior for a nonlocal model of neural fields

Severino H. da Silva, Antônio L. Pereira

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Bi-invariant metrics on the contactomorphism groups

Sheila Sandon

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On the periodic solutions of perturbed 4D non-resonant systems

Jaume Llibre, Douglas D. Novaes, Marco Antonio Teixeira

Download PDF View article Pages 229-250

Upper semicontinuity of global attractors for quasilinear parabolic equations on unbounded thin domains

Ricardo P. Silva

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Contraction method and Lambda-Lemma

Joa Weber

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Noncompact global attractors for scalar reaction–diffusion equations

Juliana Pimentel, Carlos Rocha

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Existence results for a doubly nonlocal equation

Pietro d’Avenia, Gaetano Siciliano, Marco Squassina

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Volume 9 , number 1, 2015

Symmetry methods in mathematical biology

Martin Golubitsky, Ian Stewart

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A brief survey on the Ricci flow in homogeneous manifolds

Lino Grama, Ricardo Miranda Martins

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The isomorphism problem for multiparameter quantized Weyl algebras

K. R. Goodearl, J. T. Hartwig

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Some aspects of noncommutative invariant theory and the Noether’s problem

João Fernando Schwarz

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A survey on categories of logics and algebraizable logics

Darllan C. Pinto

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A compendium of results in additive number theory

Luan Alberto Ferreira

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Nonabelian algebraic topology

Renato Vieira

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2014

Volume 8 , number 2, 2014

Synthetic plots: some history and examples

David R. Brillinger

Download PDF View article Pages 157-168

Detection of Patches of Outliers in Stochastic Volatility Processes

Anderson C.O. Motta, Luiz K. Hotta

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Some Classes of Point Processes

Jose Carlos S. de Miranda

Download PDF View article Pages 193-210

Evaluating the existence of structural change in the Brazilian term structure of interest rate: evidence based on Hansens cointegration models with structural break

Emerson F. Marcal, Pedro L. Valls Pereira

Download PDF View article Pages 211-239

Copulas, Chaotic Processes and Time Series: a Survey

Guilherme Pumi, Silvia R.C. Lopes

Download PDF View article Pages 241-264

Mammogram Diagnostics via 2-D Complex Wavelet-based Self-similarity Measures

Seonghye Jeon, Orietta Nicolis, Brani Vidakovic

Download PDF View article Pages 265-284

Quasi U-statistics of innite order and applications to the subgroup decomposition of some diversity measures

Alusio Pinheiro, Pranab Kumar Sen

Download PDF View article Pages 285-309

Volume 8 , number 1, 2014

An informal introduction to perturbations of matrices determined up to similarity or congruence

Lena Klimenko, Vladimir V. Sergeichuk

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A numerical approximation for solutions of Hammerstein integral equations in Lp spaces

Mostefa Nadir, Bachir Gagui

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Transparency condition in the categories of Yetter-Drinfel’d modules over Hopf algebras in braided categories

B. Femic

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Some remarks on Hall algebra of bound quiver

Kostiantyn Iusenko, Evan Wilson

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On applications of Simons’ type formula and reduction of codimension for complete submanifolds in space forms

Kellcio O. Araújo, João Paulo dos Santos

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Exceptional collections of sheaves on quadrics in positive characteristic

Kaneda Masaharu

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2013

Volume 7 , number 2, 2013

Algebraic Approach to Colombeau Theory

Todor D. Todorov

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Global algebras of nonlinear generalized functions with applications in general relativity

Eduard A. Nigsch, Clemens Samann

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Local regularity in non-linear generalized functions

Stevan Pilipovic, D. Scarpalezos, Jasson Vindas

Download PDF View article Pages 173-191

In memory of Vladimir Shelkovich (1949-2013)

Vladimir G. Danilov

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Nonlinear Generalized Functions: their origin, some developments and recent advances

Jean F. Colombeau

Download PDF View article Pages 201-239

The Poincare Generalized Lemma

Jorge Aragona

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Product of distributions and the zero-pressure gas dynamics system

Anupam Pal Choudhury, K. T. Joseph

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Volume 7 , number 1, 2013

On finite W-algebras for Lie algebras and superalgebras

Elena Poletaeva

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Lower bounds in real Schubert calculus

Nickolas Hein, Christopher J. Hillar, Frank Sottile

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The product formula in cohomological Hall algebras

Xinli Xiao

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Lie nilpotency indices of symmetric elements under oriented involutions in group algebras

John H. Castillo

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Dynkin diagrams and spectra of graphs

Michael A. Dokuchaev, Nadiya M. Gubareni, Vyacheslav M. Futorny, Marina A. Khibina, Vladimir V. Kirichenko

Download PDF View article Pages 83-104

The School of Kiev in Colombia; the legacy of Alexander Zavadskij

Agustín Moreno Canãdas

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2012

Volume 6 , number 2, 2012

Singular perturbations for phase transitions

Margarida Baía, Ana Cristina Barroso, José Matias

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Full shifts and irregular sets

Luis Barreira, Jinjun Li, Claudia Valls

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The rolling ball problem on the sphere

Laura M. O. Biscolla, Jaume Llibre, Waldyr M. Oliva

Download PDF View article Pages 145-154

Real and complex variable positive definite functions

Jorge Buescu, A. C. Paixão

Download PDF View article Pages 155-169

The Redner–Ben-Avraham–Kahng cluster system

F. P. da Costa, J. T. Pinto, R. Sasportes

Download PDF View article Pages 171-201

Reduction of order of cluster-type recurrence relations

Inês Cruz, M. Esmeralda Sousa-Dias

Download PDF View article Pages 203-225

Bi-space pullback attractors for closed processes

Radoslaw Czaja

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Rainbow meanders and Cartesian billiards

Bernold Fiedler, Pablo Castañeda

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Lines of axial curvature at critical points on surfaces mapped into R4

Ronaldo Garcia, Jorge Sotomayor

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Mather problem and viscosity solutions in the stationary setting

Diogo A. Gomes, Elismar R. Oliveira

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The Inverse Problem of Variational Calculus with Non-holonomic Constraints

Pedro Gonçalves Henriques

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Strong λ-lemma and second species periodic solutions of the 3-body problem

Piero Negrini

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Orbit Equivalence of Global Attractors for S1-Equivariant Parabolic Equations

Carlos Rocha

Download PDF View article Pages 365-374

Known Results and Open Problems on C1 linearization in Banach Spaces

Hildebrando M. Rodrigues, J. Solà-Morales

Download PDF View article Pages 375-384

An almost existence theorem for non-contractible periodic orbits in cotangent bundles

Pedro A.S. Salomão, Joa Weber

Download PDF View article Pages 385-394

Volume 6 , number 1, 2012

Some constructions of compact quantum groups

Andrés Abella, Walter Ferrer Santos, Mariana Haim

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On visual representations of Lie algebras: the type Al between the old and the new

Carla Bardini

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On the classiﬁcation of abelian extensions

Paul Bressler

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The role of bideterminants in the representation theory

Frantisek Marko

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A new class of modules for Toroidal Lie Superalgebras

S. Eswara Rao

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