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International Journal of Algebra and Computation, Volume 21
Volume 21, Numbers 1-2, February & March 2011
- Jean-Camille Birget:

The Thompson-Higman Monoids Mk, i: The J-Order, The D-Relation, and their Complexity. 1-34 - Alessandra Cherubini, C. Nuccio, Emanuele Rodaro

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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

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On the Singular Part of the Partition Monoid. 147-178 - Desmond 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
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Limit Varieties Generated by Completely 0-Simple Semigroups. 257-294 - Jean-Eric Pin, Pedro V. Silva

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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

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Finite Self-Similar P-Groups with Abelian First Level Stabilizers. 355-364 - Claire Wladis

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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

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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

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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 QN ⋊ 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

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Bass Cyclic Units as Factors in a Free Group in Integral Group Ring Units. 531-545 - Jack 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, Stephen 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
- Ana Moura

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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 μn. 715-729 - Víctor 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

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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
- Abdullahi Laradji, Abdullahi Umar

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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

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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
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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 Mn(). 1097-1110 - Pedro V. Silva

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Finite Idempotent Inverse Monoid Presentations. 1111-1133 - Robert D. 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
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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

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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 - Oleg Bogopolski

, Enric Ventura:
On Endomorphisms of torsion-Free hyperbolic Groups. 1415-1446 - J. T. Hird, Naihuan Jing

, Ernest Stitzinger
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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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