International Journal of Algebra and Computation (IJAC), Volume 12

Volume 12, Number 1-2, February & April 2002

• Volker Diekert, Markus Lohrey:
  A Note on The Existential Theory of Equations in Plain Groups. 1-7
  
• Victor S. Guba, Mark V. Sapir:
  Rigidity Properties of Diagram Groups. 9-17
  
• Isabel M. Araújo:
  Finite Presentability of Semigroup Constructions. 19-31
  
• David A. Jackson:
  Decision and Separability Problems for Baumslag-Solitar Semigroups. 33-49
  
• Akihiro Yamamura:
  Embedding Theorems for Groups Presented Via Partial Automorphisms: a Generalization of Semidirect Products and HNN Extensions. 51-83
  
• Richard P. Kent Iv, David Peifer:
  A Geometric and Algebraic Description of Annular Braid Groups. 85-97
  
• Cornelia Drutu:
  Quasi-Isometry Invariants and Asymptotic Cones. 99-135
  
• Pascal Weil:
  Profinite Methods in Semigroup Theory. 137-177
  
• Manuel Delgado, Stuart W. Margolis, Benjamin Steinberg:
  Combinatorial Group Theory, Inverse Monoids, Automata, And Global Semigroup Theory. 179-211
  
• William A. Bogley, Jens Harlander:
  Homological Decision Problems for Finitely Generated Groups with Solvable Word Problem. 213-221
  
• Rostislav I. Grigorchuk, Andrzej Zuk:
  On a Torsion-Free Weakly Branch Group Defined by a Three State Automaton. 223-245
  
• Yuji Kobayashi, Friedrich Otto:
  Some Exact Sequences for The Homotopy (Bi-)Module af A Monoid. 247-283
  
• D. A. Cruickshank, Stephen J. Pride:
  New Invariants for Groups. 285-339
  
• Igor Mineyev:
  l₁-Homology of Combable Groups and 3-Manifold Groups. 341-355
  
• Alair Pereira do Lago:
  Local Groups in Free Groupoids Satisfying Certain Monoid Identities. 357-369
  
• Jean Berstel:
  Recent Results on Extensions of Sturmian Words. 371-385
  

Volume 12, Number 3, June 2002

• Paula Maria Machado Cruz Catarino, Peter M. Higgins:
  The Pseudovariety Generated by All Semigroups of Orientation-Preserving Transformations on a Finite Cycle. 387-405
  
• Maria João Antunes Dias Gouveia Saramago, Hilary A. Priestley:
  Optimal Natural Dualities: the Structure of Failsets. 407-435
  
• Alexei N. Krasilnikov, David M. Riley:
  The Transfer of a Commutator Identity in a Nil-Generated Algebra. 437-443
  
• Kosaburo Hashiguchi, Kenichi Ishiguro, Shuji Jimbo:
  Decidability of The Equivalence Problem for Finitely Ambiguous Finance Automata. 445
  
• Michael Hoffmann, Richard M. Thomas, Nikola Ruskuc:
  Automatic Semigroups with Subsemigroups of Finite Rees Index. 463-461
  
• Jennifer Hontz, Kailash C. Misra:
  On Root Multiplicities of HA⁽¹⁾. 477-508
  

Volume 12, Number 4, August 2002

• James B. Hart, Lori Rafter, Constantine Tsinakis:
  The Structure of Commutative Residuated Lattices. 509-524
  
• Keunbae Choi, Yongdo Lim:
  Birget-Rhodes Expansion of Groups and Inverse Monoids of MöBius Type. 525-533
  
• Marina Avitabile:
  Some Loop Algebras of Hamiltonian Lie Algebras. 535-567
  
• Charles F. Rocca Jr., Edward C. Turner:
  Test Elements in Finitely Generated Abelian Groups. 569-572
  
• Eamonn A. O'Brien, Michael R. Vaughan-Lee:
  The 2-Generator Restricted Burnside Group of Exponent 7. 575-592
  
• Claudio Gutiérrez:
  Exponent of Periodicity of Word Equations in Fixed Dimension is Polynomial. 593-600
  
• Li Guo:
  Ascending Chain Conditions in Free Baxter Algebras. 601-622
  

Volume 12, Number 5, October 2002

• Hans Ulrich Besche, Bettina Eick, Eamonn A. O'Brien:
  A Millennium Project: Constructing Small Groups. 623-644
  
• Murat Alp:
  Enumeration of Whitehead Groups of Low Order. 645-658
  
• José Carlos Rosales, Pedro A. García-Sánchez, Juan Ignacio García-García:
  Presentations of Finitely Generated Submonoids of Finitely Generated Commutative Monoids. 659-670
  
• Gérard Duchamp, Florent Hivert, Jean-Yves Thibon:
  Noncommutative Symmetric Functions Vi: Free Quasi-Symmetric Functions and Related Algebras. 671-717
  
• Clifford Bergman, Giora Slutzki:
  Computational Complexity of Generators and Nongenerators in Algebra. 719-735
  
• Mihalis Sykiotis:
  Fixed Points of Symmetric Endomorphisms of Groups. 737-745
  

Volume 12, Number 6, December 2002

• Joseph Loeffler, John Meier, James Worthington:
  Graph Products and Cannon Pairs. 747-754
  
• Mark V. Lawson, Joseph Matthews, Tim Porter:
  The Homotopy Theory of Inverse Semigroups. 755-790
  
• Gillian Z. Elston, Chrystopher L. Nehaniv:
  Holonomy Embedding of Arbitrary Stable Semigroups. 791-810
  
• Zoltán Székely:
  Computational Complexity of The Finite Algebra Membership Problem for Varieties. 811-823
  
• Christiane Frougny, Jacques Sakarovitch:
  Two Groups Associated with Quadratic Pisot Units. 825-847
  
• Edgar Martínez-Moro:
  Properties of Commutative Association Schemes Derived by Fglm Techniques. 849-865
  
• Klaus Denecke, Jörg Koppitz, Staszek Niwczyk:
  Equational Theories Generated By Hypersubstitutions of Type (n). 867-876