International Journal of Algebra and Computation, Volume 21

Volume 21, Numbers 1-2, February & March 2011

• Jean-Camille Birget:
  The Thompson-Higman Monoids M_{k, i}: The J-Order, The D-Relation, and their Complexity. 1-34
  
• Alessandra Cherubini, C. Nuccio, Emanuele Rodaro:
  Multilinear Equations in Amalgams of Finite Inverse Semigroups. 35-59
  
• Matthew B. Day:
  On Solvable Subgroups of Automorphism Groups of Right-Angled Artin Groups. 61-70
  
• Patrick Dehornoy:
  The Subword Reversing Method. 71-118
  
• Volker Diekert, Jürn Laun:
  On Computing Geodesics in Baumslag-Solitar Groups. 119-145
  
• James East:
  On the Singular Part of the Partition Monoid. 147-178
  
• D. G. Fitzgerald:
  On divided-Difference Semigroups. 179-191
  
• Derek F. Holt, Sarah Rees, Claas E. Röver:
  Groups with Context-Free Conjugacy Problems. 193-216
  
• Mark Kambites:
  On Uniform Decision Problems and Abstract Properties of Small Overlap Monoids. 217-233
  
• Sang-hyun Kim:
  Geometricity and Polygonality in Free Groups. 235-256
  
• Edmond W. H. Lee, Mikhail V. Volkov:
  Limit Varieties Generated by Completely 0-Simple Semigroups. 257-294
  
• Jean-Eric Pin, Pedro V. Silva:
  On Profinite Uniform Structures Defined by Varieties of Finite Monoids. 295-314
  
• Lev M. Shneerson, David Easdown:
  Growth of Finitely Presented Rees Quotients of Free Inverse Semigroups. 315-328
  
• Benjamin Steinberg, Mariya Vorobets, Yaroslav Vorobets:
  Automata over a Binary Alphabet Generating Free Groups of Even Rank. 329-354
  
• Zoran Sunic:
  Finite Self-Similar P-Groups with Abelian First Level Stabilizers. 355-364
  
• Claire Wladis:
  Cyclic Subgroups are Quasi-isometrically Embedded in the Thompson-Stein Groups. 365-385
  

Volume 21, Number 3, May 2011

• Katarzyna Matczak, Anna B. Romanowska, Jonathan D. H. Smith:
  Dyadic Polygons. 387-408
  
• Tsunekazu Nishinaka:
  Group Rings of Countable Non-Abelian Locally Free Groups are Primitive. 409-431
  
• Mohan S. Putcha:
  Root Semigroups in reductive Monoids. 433-448
  
• Csaba Szabó, Vera Vértesi:
  The Equivalence Problem over Finite Rings. 449-457
  
• Bokhee Im, Jonathan D. H. Smith:
  Representation Theory for Varieties of Comtrans Algebras and Lie Triple Systems. 459-472
  
• Igor Dolinka:
  On Maximal Subgroups of Free Objects of Certain Completely Regular Semigroup Varieties. 473-484
  
• Bartosz M. Jablonski, Anna B. Romanowska:
  On Mode Reducts of Semimodules. 485-504
  
• Alexander Fel'shtyn, Daciberg L. Gonçalves:
  Reidemeister Spectrum for Metabelian Groups of the Form Q^N ⋊ ℤ and ℤ[1/P]ⁿ ⋊ ℤ, P Prime. 505-520
  

Volume 21, Number 4, June 2011

• Y. E. Zhao, X. N. Du:
  On NIL n-Injective Rings. 521-529
  
• Jairo Z. Gonçalves, Ángel del Río:
  Bass Cyclic Units as Factors in a Free Group in Integral Group Ring Units. 531-545
  
• J. O. Button, A. Thillaisundaram:
  Applications of P-Deficiency and P-largeness. 547-574
  
• Daewoong Cheong:
  Vafa-Intriligator Type Formulas and Quantum Euler Classes for Lagrangian and Orthogonal Grassmannianns. 575-594
  
• S. Liriano, S. Majewicz:
  Algebro-Geometric Invariants of Groups (the Dimension Sequence of a Representation Variety). 595-614
  
• V. A. Bovdi, Alexander Konovalov, Steve Linton:
  Torsion Units in Integral Group Rings of Conway Simple Groups. 615-634
  
• Bettina Eick, Dörte Feichtenschlager:
  Computation of Low-Dimensional (Co)Homology Groups for Infinite Sequences of P-Groups with Fixed Coclass. 635-649
  
• Andrey V. Nikolaev, Denis E. Serbin:
  Finite Index Subgroups of Fully Residually Free Groups. 651-673
  

Volume 21, Number 5, August 2011

• A. Moura:
  Representations of the Free Profinite Object over da. 675-701
  
• Amir Hashemi, Daniel Lazard:
  Sharper Complexity Bounds for Zero-Dimensional GRöBner Bases and Polynomial System Solving. 703-713
  
• Isamiddin S. Rakhimov, Munther A. Hassan:
  On Isomorphism Criteria for Leibniz Central Extensions of a Linear Deformation of μ_n. 715-729
  
• V. Blanco, José Carlos Rosales:
  Irreducibility in the Set of Numerical Semigroups with Fixed Multiplicity. 731-744
  
• Tai Keun Kwak, Yang Lee:
  Rings over which Coefficients of Nilpotent Polynomials are Nilpotent. 745-762
  
• Antonio Behn, Alberto Elduque, Alicia Labra:
  A Class of Locally Nilpotent Commutative Algebras. 763-774
  
• Meital Eliyahu, David Garber, Mina Teicher:
  A Conjugation-Free Geometric Presentation of Fundamental Groups of Arrangements II: Expansion and Some Properties. 775-792
  
• Denis Osin, Mark V. Sapir:
  Universal Tree-Graded Spaces and asymptotic Cones. 793-824
  
• Jane G. Pitkethly:
  Uncountably Many Dualisable Algebras. 825-839
  
• Yonah Cherniavsky:
  On involutions of the Symmetric Group and Congruence B-orbits of Anti-Symmetric Matrices. 841-856
  

Volume 21, Number 6, September 2011

• A. Laradji, A. Umar:
  Some Combinatorial Properties of the Symmetric Monoid. 857-865
  
• Shotaro Makisumi, Grace Stadnyk, Benjamin Steinhurst:
  Modified Hanoi Towers Groups and Limit Spaces. 867-887
  
• Gérard Henry Edmond Duchamp, Jean-Gabriel Luque, Jean-Christophe Novelli, Christophe Tollu, Frédéric Toumazet:
  Hopf Algebras of Diagrams. 889-911
  
• Baoshan Wang:
  Computing Local Ranks in Sporadic Groups. 913-929
  
• Pedro Sánchez Terraf:
  Boolean factor Congruences and Property (*). 931-950
  
• Peter M. Higgins:
  The Length of Short Words in Unavoidable Sets. 951-960
  
• Yunchuan Yin:
  Inducing W-Graphs for Symmetric Groups. 961-972
  
• Andrey N. Plyushchenko, Arseny M. Shur:
  Almost Overlap-Free Words and the Word Problem for the Free Burnside Semigroup Satisfying X² = X³. 973-1006
  
• Collin Bleak, Martin Kassabov, Francesco Matucci:
  Structure Theorems for Groups of Homeomorphisms of the Circle. 1007-1036
  

Volume 21, Number 7, November 2011

• Alfredo Costa, Manuel Delgado, Vítor H. Fernandes:
  Preface.
  
• Mária B. Szendrei:
  Almost Factorizable Locally Inverse Semigroups. 1037-1052
  
• Marcel Jackson, Timothy Stokes:
  Modal restriction Semigroups: towards an Algebra of Functions. 1053-1095
  
• Karin Cvetko-Vah, Jonathan Leech:
  On Maximal Idempotent-Closed subrings of M_n(). 1097-1110
  
• Pedro V. Silva:
  Finite Idempotent Inverse Monoid Presentations. 1111-1133
  
• Robert Gray, Mark Kambites:
  A šVarc-Milnor Lemma for Monoids Acting by Isometric Embeddings. 1135-1147
  
• Elena Aladova, Boris I. Plotkin:
  Varieties of Representations of Groups and Varieties of Associative Algebras. 1149-1178
  
• N. D. Gilbert, Rebecca Noonan Heale:
  The Idempotent Problem for an Inverse Monoid. 1179-1194
  
• Ondrej Klíma, Libor Polák:
  Subhierarchies of the Second Level in the Straubing-THéRien Hierarchy. 1195-1215
  
• Víctor Blanco, Pedro A. García-Sánchez, Justo Puerto:
  Counting numerical Semigroups with Short Generating Functions. 1217-1235
  
• João Araújo, Mário J. Edmundo, Steven Givant:
  V*-Algebras, Independence Algebras and Logic. 1237-1257
  
• Mário J. J. Branco, Gracinda M. S. Gomes, Victoria Gould:
  Left Adequate and Left Ehresmann Monoids. 1259-1284
  
• Manuel Delgado, Benjamin Steinberg:
  On Iterated Mal'cEV Products with a Pseudovariety of Groups. 1285-1304
  

Volume 21, Number 8, December 2011

• Stepan Holub, Juha Kortelainen:
  On Partitions Separating Words. 1305-1316
  
• Ivo Michailov Michailov:
  The Rationality Problem for Three- and Four-Dimensional permutational Group Actions. 1317-1337
  
• Bettina Eick:
  Computing Nilpotent Quotients of Associative Algebras and Algebras Satisfying a Polynomial Identity. 1339-1355
  
• Andrew Rajah, Wing Loon Chee:
  Moufang Loops of odd Order P³ Q³. 1357-1367
  
• René Hartung:
  Coset Enumeration for certain Infinitely Presented Groups. 1369-1380
  
• Chang Ik Lee, Yang Lee:
  Properties of k-Rings and Rings Satisfying Similar conditions. 1381-1394
  
• Jean-Paul Bultel:
  A One-parameter Deformation of the Noncommutative Lagrange Inversion Formula. 1395-1414
  
• O. Bogopolski, E. Ventura:
  On Endomorphisms of torsion-Free hyperbolic Groups. 1415-1446
  
• J. T. Hird, Naihuan Jing, Ernest Stitzinger:
  Codes and Shifted Codes of Partitions. 1447-1462
  
• Gábor Braun, Lutz Strüngmann:
  Breaking up Finite Automata Presentable torsion-Free Abelian Groups. 1463-1472
  

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