AAA

Arbeitstagung Allgemeine Algebra 
Workshop on General Algebra

AAA62
June 15 - 17, 2001

Program

      Friday, June 15th, Morning

 
Lecture Hall HS 3
Chair: Dragan Mašulovic
Lecture Hall HS 5
Chair: Miroslav Plošcica
Lecture Hall HS 7
Chair: Reinhard Pöschel
9:00 - 10:00    
Bruno Buchberger
Gröbner Bases and Theorema

10:15 - 10:45
Klaus Denecke
Presolid varieties of semirings

Helmut Länger
Restricted congruence regularity of algebras (joint work with Ivan Chajda)
Andrei Krokhin
Classifying the complexity in Allen's algebra

10:45 - 11:15
Shelly L. Wismath
Short-solid superassociative varieties
of type n
Günther Eigenthaler
Balanced congruences

Franz Binder
Computational Methods for Transformation Nearrings
11:15 - 11:45 Coffee break
11:45 - 12:15
Dietmar Schweigert
Equivalent hypersubstitutions and the Mal'cev correspondence
Agata Pilitowska
Interval bilattices and some other simple bilattices
Wen-Fong Ke
Composition-diamond lemma for associative conformal algebras
12:15 - 12:45    
Péter P. Pálfy
Black-box recognition of finite simple groups


      Friday, June 15th, Afternoon

. . . .
Lecture Hall HS 1 - ``Raiffeisensaal''
Chair: Andrei Krokhin
14:30 - 15:20 . . .
Paweł M. Idziak
Generative Complexity in Algebra
Lecture Hall HS 3
Chair: Péter P. Pálfy
Lecture Hall HS 5
Chair: Vyachelav A.Artamonov
Lecture Hall HS 6
Chair: Shelly L. Wismath
Lecture Hall HS 7
Chair: Ivan Chajda
15:30 - 16:00
Andrei Kelarev
On complete and bipartite Cayley graphs
Petr Vojtechovsky
Octonions,finite simple Moufang
loops, and groups of type G2
Gerhard Dorfer
On congruences in orthomodular lattices
16:00 - 16:30
Peter Mayr
Fixed-point-free representations of finite groups and Frobenius Groups
Barbara Roszkowska-Lech
Abelian Quandles


Sándor Radeleczki
The product decompositions of lattices

Miroslav Haviar
The "Full vs. Strong" problem in duality theory

16:30 - 17:00 Coffee Break
17:00 - 17:30
Evgeni Bashkirov
Irreducible linear groups of degree 3 over a quaternion division ring, containing a root subgroup
Eckehart Hotzel
Large right projective ideals in monoids with 0


Branimir Seselja
Complete meet irreducibles, closure operator and DM completions

Alex J. Lemin
On Gelfand's problem concerning graphs, lattices, and ultrametric spaces
17:30 - 18:00
Ali Iranmanesh
A characterization of 
PSU(3,q) for  q>5


Smile Markovski
On semigroups with identity xxy=y


John Rhodes
The q -theory: Scott continuous functions on the algebraic lattice of all pseudo-varieties of finite semigroups satisfying global Mal'cev conditions
Dragan Mašulovic
Turning retractions of an algebra into an algebra


18:00 - 18:30
Peter Hubert
A construction of triply factori-
zed groups using local near-rings
Jan Galuszka
Finite idempotent groupoids

Jietai Yu
Coordinates of Polynomial Algebras



  Saturday, June 16th, Morning

 
Lecture Hall HS 3
Chair: Kazimierz Głazek
Lecture Hall HS 4
Chair: Klaus Denecke
Lecture Hall HS 7
Chair: Dietmar Schweigert
9:00 - 9:50    
E. Tamás Schmidt
Congruence preserving extensions of lattices

10:00 - 10:30
Howard E. Bell
Some rings related to periodic rings

Anna Romanowska
Varieties of binary modes

Jirí Tůma
Amalgamation properties of lattices

10:30 - 11:00
Geoff Booth
Radicals whose semisimple classes satisfy a generalized ADS condition
Katarzyna Matczak
Quasivarieties of commutative binary modes

Géza Takách
Notes on pasting
(joint work with
Florence Micol)
11:00 - 11:30 Coffee break
11:30 - 12:00
Ladislav Bican
Relative purity over Noetherian rings

Anna Zamojska-Dzienio
Embedding sums of cancellative modes over a normal band into semimodules
Andreja Tepavcevic
Special elements in posets

12:00 - 12:30
Rahul A. Manasi
A short note on the generation of a class of rings with subrings having different multiplicative identity than the ring
Dejan Delic
Badly structured classes of algebras


Miroslav Plošcica
Some properties of distributive congruence lattices

      Saturday, June 16th, Afternoon

 
Lecture Hall HS 3
Chair: Ladislav Bican
Lecture Hall HS 5
Chair: Miroslav Haviar
Lecture Hall HS 7
Chair: Andreja Tepavcevic
14:30 - 15:20    
Kalle Kaarli
The equivalence lattices and the functions they support
15:30 - 16:00
Joanna Kaleta
Ternary representations of GBbi-QRs (Generalized Boolean bi-Quasirings)
Jens-Uwe Grabowski
Generalized relational varieties

Martin Goldstern
Clones on infinite sets: Results and open questions
16:00 - 16:30
Dietmar Dorninger
Ring-like structures with unique symmetric difference related to quantum logic
Grzegorz Binczak
Equational basies for monounary weak varieties
Jürgen Ecker
1 -affine complete groups

16:30 - 17:00 Coffee break
17:00 - 17:30
Sergei V. Limarenko
Extension of density theorem for graded rings
Richard Holzer
Orthomodular partial algebras

Erhard Aichinger
The polynomial functions on certain semidirect products of groups 1
17:30 - 18:00
Mirjana Vukovic
About extra- and para-graded rings

Rudolf Wille
Restructuring General Algebra: An Approach Based on the Idea of Operational Descriptions
Nikita Artamonov
Spectral theory of differential operators

18:00 - 18:30
Kazimierz Głazek
Pseudo-nearrings and quasi-moduls over them
Gabriele Ricci
Two-ary integers can improve LISP-addres-
sing and justify universal affine notions
 

 

     Sunday, June 17th, Morning

 
Lecture Hall HS 4
Chair: Jens-Uwe Grabowski
Lecture Hall HS 5
Chair: Anna Romanowska
Lecture Hall HS 7
Chair: Rudolf Wille
9:00 - 9:50    
Peter Hilton
The origins of homological algebra

10:00 - 10:30
Tim Boykett
Automata, Algebra, and Algorithms: Efficient Exhaustive Enumeration
Jirí Sichler
Coconnectedness

Ki-Bong Nam
Generalized Weyl algebra

10:30 - 11:00
Fred E. J. Linton
Associativity Problems for Tensor Products

Olga Sokratova
On pullback flatness of acts
over /Omega -rings
Vyachelav A. Artamonov
Quantum polynomials

11:00 - 11:30 Coffee Break
11:30 - 12:20    
Carlton J. Maxson
Forcing Linearity Numbers

12:20 - 12:40    
Reinhard Pöschel
AAA63 and AAA64