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International Journal of Algebra and Computation, Volume 31
Volume 31, Number 1, February 2021
- Dirceu Bagio, Antonio Paques, Hector Pinedo:

On partial skew groupoid rings. 1-17 - Sergey Dzhunusov:

Additive actions on complete toric surfaces. 19-35 - Guy Blachar

, Louis H. Rowen, Uzi Vishne
:
Noncommutative inclusion-exclusion, representations of left regular bands and the Tsetlin library. 37-62 - Jongwook Baeck

, Nam Kyun Kim, Yang Lee:
Radicals in differential polynomial rings. 63-79 - Anthony Genevois:

Negative curvature in graph braid groups. 81-116 - M. Yasir Kizmaz

:
An extension of the Glauberman ZJ-theorem. 117-133 - Anastasia Hadjievangelou, Marialaura Noce, Gunnar Traustason:

Locally finite p-groups with a left 3-Engel element whose normal closure is not nilpotent. 135-160 - Artem A. Lopatin

:
Indecomposable orthogonal invariants of several matrices over a field of positive characteristic. 161-171 - Rodica Dinu, Jürgen Herzog, Ayesha Asloob Qureshi

:
Restricted classes of veronese type ideals and algebras. 173-197 - Jongwook Baeck

, Nam Kyun Kim, Yang Lee:
Erratum: Radicals in differential polynomial rings. 199-200 - Alexander Bors:

Erratum: Fibers of word maps and the multiplicities of non-abelian composition factors. 201-204
Volume 31, Number 2, March 2021
- Keith A. Kearnes

, Emil W. Kiss, Ágnes Szendrei
:
Minimal abelian varieties of algebras, I. 205-217 - Ralph Freese, James B. Nation:

A simple semidistributive lattice. 219-224 - Eloisa Detomi, Andrea Lucchini

:
Profinite groups in which the probabilistic zeta function has no negative coefficients. 225-239 - Vesselin Drensky:

Minimal varieties of associative algebras and transcendental series. 241-256 - M. A. de Oliveira, A. C. Vieira:

Varieties of unitary algebras with small growth of codimensions. 257-277 - Rolando Jimenez, Angelina López Madrigal

:
Tate (Co)homology of invariant group chains. 279-301 - Zongzhen Xie, Hanpeng Gao

, Zhaoyong Huang:
Tilting modules over Auslander algebras of Nakayama algebras with radical cube zero. 303-324 - Runxuan Zhang:

Representations of ω-Lie algebras and tailed derivations of Lie algebras. 325-339 - Dietrich Burde

, Karel Dekimpe
, Bert Verbeke:
Almost inner derivations of Lie algebras II. 341-364
Volume 31, Number 3, May 2021
- Derek F. Holt, Sarah Rees:

Biautomatic structures in systolic Artin groups. 365-391 - Ville Salo, Ilkka Törmä:

Nilpotent endomorphisms of expansive group actions. 393-452 - Olcay Coskun, Mert Sevinis:

The fibered Burnside group of a fusion system. 453-470 - Steven T. Dougherty, Joe Gildea

, Adrian Korban:
Extending an established isomorphism between group rings and a subring of the n × n matrices. 471-490 - Dagur Tómas Ásgeirsson

, Pat Devlin:
Palindromes in finite groups and the Explorer-Director game. 491-499 - Chengkang Xu:

Deformed higher rank Heisenberg-Virasoro algebras. 501-517 - M. Hellus, A. Rechenauer, R. Waldi:

On the Frobenius number of certain numerical semigroups. 519-532 - Mousumi Mandal, Dipak Kumar Pradhan:

Symbolic powers in weighted oriented graphs. 533-549 - Martin Edjvet, James Howie:

On singular equations over torsion-free groups. 551-580
Volume 31, Number 4, June 2021
- Juan Gerardo Alcázar, Emily Quintero:

Exact and approximate similarities of non-necessarily rational planar, parametrized curves, using centers of gravity and inertia tensors. 581-603 - Vyacheslav Futorny

, João Schwarz
:
Holonomic modules for rings of invariant differential operators. 605-622 - Stefano Fioravanti

:
Expansions of abelian square-free groups. 623-638 - Yeyang Peng, Xin Ma

, Zhaoyong Huang:
τ-Tilting modules over triangular matrix artin algebras. 639-661 - Svetlana Zhilina

:
Orthogonality graphs of real Cayley-Dickson algebras. Part I: Doubly alternative zero divisors and their hexagons. 663-689 - Svetlana Zhilina

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Orthogonality graphs of real Cayley-Dickson algebras. Part II: The subgraph on pairs of basis elements. 691-725 - Brian A. Davey

, Tomasz Kowalski
, Christopher J. Taylor:
Splittings in varieties of logic. 727-774 - Alina Vdovina:

Drinfeld-Manin solutions of the Yang-Baxter equation coming from cube complexes. 775-788 - Mitra Modi, Mathew Seedhom, Alexander Ushakov

:
Linear time algorithm for the conjugacy problem in the first Grigorchuk group. 789-806
Volume 31, Number 5, August 2021
- Tran Nam Trung:

Maximal independent sets and regularity of graphs. 807-818 - Shawn T. Burkett:

An algorithm for computing a supercharacter theory generated from a given partition. 819-830 - Ashish Mishra, Shraddha Srivastava

:
Jucys-Murphy elements of partition algebras for the rook monoid. 831-864 - Yan Gu, Huy Tài Hà

, Joseph W. Skelton:
Symbolic powers of cover ideals of graphs and Koszul property. 865-881 - Deepesh Singhal

:
Numerical semigroups of small and large type. 883-902 - M'hammed El Kahoui

, Najoua Essamaoui, Mustapha Ouali
:
A nilpotency criterion for derivations over reduced ℚ-algebras. 903-913 - Ning Yang:

Automata groups generated by Cayley machines of groups of nilpotency class two. 915-927 - Manuel Bodirsky

, Florian Starke
, Albert Vucaj:
Smooth digraphs modulo primitive positive constructability and cyclic loop conditions. 929-967 - V. S. Guba:

On the density of Cayley graphs of R.Thompson's group F in symmetric generators. 969-981
Volume 31, Number 6, September 2021
- Achille Frigeri, Victoria Gould, Patrizia Longobardi, Emanuele Rodaro:

Preface: Special issue on papers from the conference "Semigroups and Groups, Automata, Logics" SandGAL 2019. 983-984 - John Meakin:

Tribute to Alessandra Cherubini. 985-986 - Martino Borello, Francesca Dalla Volta, Giovanni Zini:

The Möbius function of PSL(3, 2p) for any prime p. 987-1011 - Tim Koussas:

Semigroup quasivarieties: Two lattices and a reopened problem. 1013-1035 - Marialaura Noce, Anitha Thillaisundaram:

Hausdorff dimension of the second Grigorchuk group. 1037-1047 - Marcel Herzog, Patrizia Longobardi, Mercede Maj:

Sums of element orders in groups of odd order. 1049-1063 - Stuart W. Margolis, John Rhodes:

Degree 2 transformation semigroups as continuous maps on graphs: Foundations and structure. 1065-1091 - James East:

Structure of principal one-sided ideals. 1093-1145 - Matthew D. G. K. Brookes:

Congruences on the partial automorphism monoid of a free group action. 1147-1176 - Ievgen V. Bondarenko

, Jan Philipp Wächter
:
On orbits and the finiteness of bounded automaton groups. 1177-1190 - Tatiana Nagnibeda

, Aitor Pérez:
Schreier graphs of spinal groups. 1191-1216 - Arye Juhász:

On a conjecture in Artin groups. 1217-1241 - John C. Meakin, Nóra Szakács

:
Inverse monoids and immersions of Δ-complexes. 1243-1268 - Paul Bennett:

An amalgam of inverse semigroups is embedded into an amalgam with a lower bounded core. 1269-1291
Volume 31, Number 7, November 2021
- Rajib Sarkar

:
Binomial edge ideals of unicyclic graphs. 1293-1318 - Jimmy Devillet

, Pierre Mathonet:
On the structure of symmetric n-ary bands. 1319-1338 - Igor Dolinka

, Ivana Durdev, James East:
Sandwich semigroups in diagram categories. 1339-1404 - Ualbai Umirbaev

, Viktor Zhelyabin:
On the solvability of graded Novikov algebras. 1405-1418 - Qinghong Guo, Xuanli He, Muhong Huang:

Finite groups with n-embedded subgroups. 1419-1428 - Michael Hull:

Splittings of right-angled Artin groups. 1429-1432 - Sehmus Findik, Osman Kelekci:

Symmetric polynomials of algebras related with 2 × 2 generic traceless matrices. 1433-1442 - Christopher Perez:

Towers and elementary embeddings in toral relatively hyperbolic groups. 1443-1469 - Graziela Fonseca, Grasiela Martini, Leonardo Silva

:
Partial (co)actions of Taft and Nichols Hopf algebras on their base fields. 1471-1496
Volume 31, Number 8, December 2021
- Gil Goffer, Waltraud Lederle:

Conjugacy and dynamics in almost automorphism groups of trees. 1497-1545 - Z. Bácskai, Dane L. Flannery, Eamonn A. O'Brien

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Classifying finite monomial linear groups of prime degree in characteristic zero. 1547-1585 - Anatolii V. Zhuchok

:
Relatively free dimonoids and bar-units. 1587-1599 - Dayan Liu, Fumei Liu, Xiaosong Sun

:
Some co-tame automorphisms of affine spaces. 1601-1612 - Isabel Hernández

, Rodrigo Lucas Rodrigues
, Elkin Oveimar Quintero Vanegas:
Low-dimensional commutative power-associative superalgebras. 1613-1632 - Owen Biesel, Alberto Gioia:

Isomorphisms of discriminant algebras. 1633-1662 - Andrei-Paul Grecianu, Alexei G. Myasnikov

, Denis E. Serbin:
Hierarchy for groups acting on hyperbolic ℤn-spaces. 1663-1690 - Frédérique Bassino

, Cyril Nicaud, Pascal Weil
:
Statistics of subgroups of the modular group. 1691-1751 - Roozbeh Hazrat

, Lia Vas:
Crossed product Leavitt path algebras. 1753-1773

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