Some Trends in Algebra '09

Prague, September 7 - 11, 2009

Plenary speakers:      Simion Breaz (Babes-Bolyai Univ. Cluj)
Alberto Facchini (Univ. Padova)
Ruediger Goebel (Univ. Duisburg-Essen)
Pedro Guil Asensio (Univ. Murcia)
Dolors Herbera (UA Barcelona)
Ivo Herzog (Ohio State Univ., Lima)
Luigi Salce (Univ. Padova)
Jan Stovicek (NTNU Trondheim/ Charles Univ. Prague)

Booklet of abstracts (pdf-file), (ps-file).


Tuesday, September 8
     Morning session (Chair: Alberto Facchini)
9:30 -  9:40 Opening
9:40 - 10:40 Ivo Herzog: The Ziegler spectrum of a cotilting class
Coffee break
11:00 - 11:50 Jiri Rosicky: Generalized purity, definability and Brown representability
12:00 - 13:00 Jan Stovicek: Cotorsion pairs in exact categories and construction of triangulated adjoint functors
Lunch break
Afternoon session (Chair: Ivo Herzog)
15:00 - 15:30 Stephen Lack: A Quillen model structure for Gray-categories
15:35 - 16:05 George Ciprian Modoi: Brown representability via projective classes
Coffee break
16:25 - 16:55 Septimiu Crivei: Monads, comonads and approximations
17:00 - 17:30 Henrik Forssell: Syntax-semantics duality: retrieving a theory from its category of models
Wednesday, September 9
     Morning session (Chair: Dolors Herbera)
9:30 - 10:30 Luigi Salce: Adjoint algebraic entropy
Coffee break
10:50 - 11:50 Ruediger Goebel: Solution of a 50 year old problem by Laszlo Fuchs: The construction of generalized E-rings
12:00 - 12:30 Silvana Bazzoni: Envelopes and covers
12:35 - 13:05 David Pospisil: Tilting modules over 1 and 2-Gorenstein rings
Lunch break
Afternoon session (Chair: Pedro Guil Asensio)
15:00 - 15:40 Otto Kerner: Auslander-Reiten theory for modules of finite complexity over selfinjective algebras
15:45 - 16:15 Ladislav Bican: Lattice properties of torsion theories
Coffee break
16:35 - 17:05 Gabriella D'Este: Orthogonal classes with respect to selforthogonal modules
17:10 - 17:40 Jan Zemlicka: Rings over which every module is retractable
18:00 Beer tasting (CUA experimental and educational brewery)
Thursday, September 10
     Morning session (Chair: Luigi Salce)
9:30 - 10:30 Dolors Herbera: Almost free modules and Mittag-Leffler conditions
Coffee break
10:50 - 11:50 Pedro Guil Asensio: Applications of cotorsion pairs to Model Categories
12:00 - 12:30 Pavel Ruzicka: Conical refinement monoids and V(R) of regular rings
12:35 - 13:05 Mehdi Alaeiyan: Bounded movements permutation groups with maximum orbits
Free afternoon in Prague
19:00 Conference banquet
Friday, September 11
     Morning session (Chair: Ruediger Goebel)
9:30 - 10:30 Simion Breaz: Modules determined by their annihilator classes
Coffee break
10:50 - 11:50 Alberto Facchini: Rings with few maximal right ideals - A two-dimensional Krull-Schmidt-Azumaya Theorem.
12:00 - 12:30 Pavel Prihoda: Factor categories and infinite direct sums
12:40 Problem Session

Webs of previous meetings: STA'07, STA'05, STA'03.

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