This seminar features a mix of guests and local researchers as speakers. It is also part of the SAAAJ Seminar, run jointly with the University of Ljubljana and the University of Zagreb. All talks are Thursday 15:15 – 16:45 (SR 11.34), unless specified otherwise .

To enable participants from around the world to take part in our seminar we continue to stream the seminar. You may use the following link to join the seminar through your web browser (BigBlueButton/uniMeet).

To receive announcements about upcoming talks, please subscribe to IMSC Announcements, the official mailing list for announcements of the Department of Mathematics and Scientific Computing the University of Graz (low volume).

Summer Semester 2024

7.3.2024 (HS 11.02) 15:15-16:00 Felix Gotti (MIT, USA): Atomicity and Factorizations in Monoid Algebras..
16:00-16:30 Coffee break
16:30-17:15 Dmytro Bilyk (University of Minnesota, USA): Energy minimization problems on the sphere.
14.3.2024 Harold Polo (University of California, Irvine, USA): Semi-ideas about semi-domains.
21.3.2024 Christopher Frei (TU Graz): Linear equations in Chebotarev and Artin primes.
28.3.2024 Easter break
4.4.2024 Easter break
11.4.2024 Franz Lehner (TU Graz): Free Integral Calculus.
18.4.2024 15:15-16:00 Gerhard Angermüller (Germany): Arithmetics of Flatness for Monoids.
25.4.2024 Amr Al-Maktry (TU Graz): Polynomial functions on a class of finite non-commutative rings.
2.5.2024 Daniel Windisch (Max-Planck Institut, Leipzig, Germany): Ideal operations for the algebraic geometry of games.
9.5.2024 Holiday
16.5.2024 Jutta Rath (University of Klagenfurt): Primary decompositions, associated primes, and applications in algebraic statistics.
23.5.2024 Hearing for PhD positions
24.5.2024 DK Closing Event
30.5.2024 Holiday
6.6.2024 Qinghai Zhong (University of Graz) : Sequences over Groups: The Isomorphism Problem and the Characterization Problem.
14.6.2024 (Friday!, 11:00–11:45, SR2 Geometry Institute, TU Graz) David J. Grynkiewicz(University of Memphis, USA): TBA
20.6.2024 Gülsen Ulucak (Gebze Technical University, Turkey): TBA
27.6.2024 Aqsa Bashir (University of Graz): PhD Defence.

Winter Semester 2023/24

05.10.2023 (The talk had to be cancelled because of the instability of the internet connection.) Alireza Naghipour (Shahrekord University, Iran): Integer-valued polynomials over upper triangular matrix rings
12.10.2023 Martin Kalck (University of Graz): Matrix factorizations
19.10.2023 online Matyas Domokos (Alfred Renyi Institute of Mathematics, Hungary): On the interaction between zero-sum theory and the invariant theory of abelian groups
9.11.2023 Zahra Nazemian (University of Graz): Monoids with infinite sums.
16.11.2023 Salvatore Tringali (Hebei Normal University, China): On the isomorphism problem for power semigroups.
23.11.2023 Andreas Reinhart (University of Graz): Orders in real quadratic number fields for which the minimum of the set of distances is greater than one.
30.11.2023 online Balint Rago (University of Graz):  On transfer Krull orders in global fields.
7.12.2023 (The talk had to be cancelled.) Qinghai Zhong (University of Graz): Sequences over Groups: The Isomorphism Problem and the Characterization Problem.
14.12.2023 Daniel Windisch (Graz University of Technology): Protoproducts: A link between factorizations and logic?
11.01.2024 Roswitha Rissner (University of Klagenfurt): Matrix-rank approaches to factorization problems in rings of integer-valued polynomials.
18.01.2024 15:15-16:00 Laura Cossu (University of Graz): Minimal factorizations in reduced power monoids.
25.01.2024 15:15-16:00 Aqsa Bashir (University of Graz): Cross numbers in factorization theory.

Summer Semester 2023

16.3.2023 Amr Al-Maktry (Graz University of Technology): On a group of vector-polynomial permutations
23.3.2023 Savio Ribas (Universidade Federal de Ouro Preto, Brazil): Zero-sum problems over non-abelian groups
30.3.2023 online 16:00-16:45 Salvatore Tringali (Hebei Normal University, China): Power monoids and a proof of the Bienvenu-Geroldinger conjecture
20.4.2023 Aihua Li (Montclair University, USA): New Roles of an Old Puzzle - The Magic Square of Squares Problem
27.4.2023 Felix Gotti (MIT, USA): On the Ascent of Atomicity
4.5.2023 Hans-Peter Schröcker (University of Innsbruck): Mechanisms from Algebra – The First Decade of Motion Factorization
11.5.2023 Daniel Windisch (TU Graz): On local divisor class groups of complete intersections
24.5.2023 (Wednesday!, 9:30–11:00, SR 11.32) Benjamin Hackl (Uni Graz): Uncovering a Random Tree with Generating Functions
1.6.2023 Salvatore Tringali (Hebei Normal University, China): On power monoids and their automorphisms
15.6.2023 Victor Fadinger (University of Graz): Prescribed lengths of factorizations of integer-valued polynomials on Krull domains with prime elements
22.6.2023 Gülsen Ulucak (Gebze Technical University, Turkey): A new generalization of prime ideals

Older Talks

Archive of the seminar program