# Seminars in Algebra

## Fall 2005

## December 13th 2005, 14:30 - 15:30 in Rom 546

**Title:** Group graded Koszul algebras

**Speaker:** Roberto Martínez-Villa

## November 22nd 2005, 14:30 - 15:30 in Rom 546

**Title:** Degenerations of Quiver Representations

**Speaker:** Sverre O. Smalø

## November 15th 2005, 14:30 - 15:30 in Rom 546

**Title:** Vanishing of Ext and Tor

**Speaker:** Petter Andreas Bergh

## November 8th 2005, 14:30 - 15:30 in Rom 546

**Title:** Degeneration of A-infinity modules

**Speaker:** Dag Madsen

## November 1st 2005, 14:30 - 15:30 in Rom 546

**Title:** A-infinity modules over associative algebras

**Speaker:** Dag Madsen

## October 25th 2005, 14:30 - 15:30 in Rom 546

**Title:** Hilbert Functions of Stanley-Reisner Rings via Generic Initial Ideals

## October 18th 2005, 14:30 - 15:30 in Rom 546

**Title:** Resolutions and algorithmic aspects of them

**Speaker:** Øyvind Solberg

## October 11th 2005, 2:30 - 3:30 in rom 546

**Title:** Invariant subspaces of nilpotent operators

**Speaker:** Markus Schmidmeier

## October 4th 2005, 14:30 - 15:30 in Rom 546

**Title:** Submodule Categories of Wild Representation Type

**Speaker:** Markus Schmidmeier

## September 27th 2005, 14:30 - 15:30 in Rom 546

**Title:** Auslander-Reiten Sequences in Submodule Categories

**Speaker:** Markus Schmidmeier

## September 20th 2005, 14:30 - 15:30 in Rom 546

**Title:** Braid action on derived category of Nakayama algebras

**Speaker:** Intan Detiena Muchtadi-Alamsyah

## September 13th 2005, 14:30 - 15:30 in Rom 546

**Title:** Non-crossing partitions and the Coxeter interval for Weyl groups of classical type

**Speaker:** Jeanne Scott

## September 6th 2005, 14:30 - 15:30 in Rom 546

**Title:** The Temperley-Lieb Algebra, its Graham Determinant, and the Combinatorics of the Reflection Order

**Speaker:** Jeanne Scott

## August 30th 2005, 14:30 - 15:30 in Rom R41

**Title:** Deformations of $N$-Koszul Algebras

**Speaker:** Jon Eivind Vatne

## August 15th 2005, 14:15-16:00 in Room 546

**Title:** The canonical basis and degenerations of quivers

**Speaker:** Robert Marsh

## Spring 2005

## June 22nd 2005, 16:15 in Room 546

**Title:** Vertices for tilting modules

**Speaker:** Karin Erdmann

## May 6th 2005, 12:30-14:00 in R60 (Realfagbygget)

**Title:** Classification of certain directed categories

**Speaker:** Adam-Christiaan Ruben van Roosmalen

## April 5th 2005, 16:15-18:00 in Room 546

**Title:** Rouquier's theorem on representation dimension

**Speaker:** Henning Krause

## March 17th 2005, 14:15-16:00 in Room 546

**Title:** Grassmannians, Schubert cycles and apolar varieties of Schubert cycles

**Speaker:** Elise Hoff Øby

## March 10th 2005, 14:15-16:00 in Room 546

**Title:** Top-stable and layer-stable degenerations

**Speaker:** Anita Valenta

## February 17th 2005, 14:15-16:00 in Room 546

**Title:** Orthogonality in triangulated categories

**Speaker:** Osamu Iyama

## February 10th 2005, 14:15-15:00 in Room 546

**Title:** Standardly stratified algebras and tilting

**Speaker:** Soud Khalifa Mohammed

## January 18th 2005, 16:00-18:00 in Rom 546

**Title:** Recognizing cluster algebras of finite type

**Speaker:** Ahmet Seven