Arbeitstagung Allgemeine Algebra 
Workshop on General Algebra

AAA66
June 19 – June 22, 2003

Program

Scientific progam – Detailed timetable

Friday, June 20^th, 2003 

Section 2 – HS 2
An Order-theoretic Mathematization of Linear Continuum Structures
Rudolf Wille, Germany

Section 3 – HS 3
Prime divisors of character degrees
Péter P. Pálfy, Hungary

Section 4 – HS 4
Free cochains with locally constant coefficients
Dmitry Artamonov, Russia 

Section 1 – HS 1
Congruence classes in universal algebra
Günther Eigenthaler, Austria

Section 2 – HS 2
On distributive semi near lattice
Dietmar Schweigert, Germany

Section 3 – HS 3
Über Probleme der Vertauschbarkeit in Kompositionshalbgruppen
Johann Wiesenbauer, Austria

Section 4 – HS 4
Localization of spectrum for polynomials over C*-algebras
Nikita Artamonov, Russia

Section 1 – HS 1
Identities of Clones
Klaus Denecke, Germany

Section 2 – HS 2
Lattices of topologies of unary algebras
Anna Kartashova, Russia

Section 3 – HS 3
Maximal abelian subgroups of Aut(R,<)
Reinhard Winkler, Austria

Section 4 – HS 4
Algebraic theory of quasicrystals
Viatcheslav Artamonov, Russia

HS 1 Plenary
Polynomial Functions on Groups – a Survey
Gerhard Kowol, Austria

Section 1 – HS 1
On P-compatible identities
Ewa Graczyñska, Poland

Section 2 – HS 2
Topological effect algebras
Zdenka Riecanova, Slovakia

Section 3 – HS 3
Integral closure and minimal polynomials of matrices
Sophie Frisch, Austria

Section 4 – HS 4
Feasible sets of finite posets
Anna Romanowska, Poland

Section 1 – HS 1
Determined congruence classes
Helmut Länger, Austria

Section 2 – HS 2
Distributive lattices with sectionally antitone involutions
Radomir Halas, Czech Republic

Section 3 – HS 3
Totally commutative idempotent groupoids
Jan Galuszka, Poland

Section 4 – HS 4
Chebyshev polynomials related to molecular graphs
Dietmar Dorninger, Austria

Section 1 – HS 1
To be announced
László Márki, Hungary

Section 2 – HS 2
Linear orders on general algebras
Sándor Radeleczki, Hungary

Section 3 – HS 3
General independence notions
Kazimierz Głazek, Poland

Section 4 – HS 4
Polynomialrings and the Feed-Back-Cyclization Property
Hermann Kautschitsch, Austria

Section 1 – HS 1
Clones on the natural numbers
Michael Pinsker, Germany

Section 2 – HS 2
Ordering convex directed subsets of a poset and congruences
Gerhard Dorfer, Austria

Section 3 – HS 3
Lower Bounds on the number of polynomial functions
Erhard Aichinger, Austria

Section 4 – HS 4
The Polymorphism Clones of omega-Categorical Structures
Manuel Bodirsky, Germany

Section 1 – HS 1
Quotient of Hyper BCK-algebras
Arsham Borumand Saeid, Iran

Section 2 – HS 2
Orthocomplete homogeneous effect algebras
Gejza Jenča, Slovakia

Section 3 – HS 3
1-affine complete Frobenius groups
Jürgen Ecker, Austria

Section 4 – HS 4
Algebraic Moore-Machines
(an interplay between algebraic- and coalgebraic automata theory)
Christian Pech, Germany

HS 1 Plenary
Radical theory and its interpretation in various categories
Richárd Wiegandt, Hungary

Section 1 – HS 1
The Galois connection between relations and automorphisms
Martin Goldstern, Austria

Section 2 – HS 2
On long chains in the partially ordered set of traces of maximal clones
Maja Ponjavic, Serbia and Montenegro (at present Germany)

Section 3 – HS 3
Some center-like subsets of rings
Howard Bell, Canada

Section 1 – HS 1
Can algebras and homomorphisms in a quasivariety be reduced to unary algebras?
Reinhard Pöschel, Germany

Section 2 – HS 2
About new examples of bilattices
Agata Pilitowska, Poland

Section 3 – HS 3
A result on planar rings and matrix rings and generalisations to near-rings
Gerhardt Wendt, Austria

Section 1 – HS 1
Varieties generated by completely 0-simple semigroups
Norman Reilly, Canada

Section 2 – HS 2
Conjunctivity in distributive quantales
Jan Paseka, Czech Republic

Section 3 – HS 3
Spectra of dually residuated lattice-ordered monoids
Jan Kühr, Czech Republic

Section 1 – HS 1
Finite posets in locally finite varieties
Laszlo Zadori, Hungary

Section 2 – HS 2
Congruences of concept algebras
Leonard Kwuida, Germany

Section 3 – HS 3
The Double-Semigroups Categories
Vitaliy M. Usenko, Ukraina

HS 1: Plenary
The finite basis problem
Ross Willard, Canada

Section 1 – HS 1
Diagonality and powers of general algebraic systems
Josef Slapal, Czech Republic

Section 4 – HS 2
f-prime radical in gamma near-rings
Satyanarayana Bhavanari, India

Section 3 – HS 3
Poly-Grassmann Algebras and Polydeterminants
Armenak Gasparyan, Russia

Section 1 – HS 1
Toward Homological Characterization of Semirings:
Serre’s Conjecture and Bass’s Perfectness in a Semiring Context
Yefim Katsov, USA

Section 3 – HS 3
Torsionfree precovers
Ladislav Bican, Czech Republic

Section 1 – HS 1
Universal transformations between Menger systems and between analytic monoids
Gabriele Ricci, Italy

Section 3 – HS 3
On Leavitt Algebras
Anh Ngoc Pham, Hungary

Section 1 – HS 1
Equational theory of group conjugation
David Stanovsky, Czech Republic