The 50th Symposium on Ring Theory and Representation Theory
Program
October 7 (Saturday)
9:00--9:30
Hiroki Matsui
A necessary condition for two commutative noetherian rings to be singularity equivalent
Slide
9:45--10:15
Tsutomu Nakamura
Localization functors in derived categories of commutative Noetherian rings
10:30--11:00
3 Short talks
Tokuji Araya
On the vanishing of self extensions over Cohen-Macaulay ring
Slide
Toshinori Kobayashi
On delta invariants of certain ideals
Slide
Minjae Kwon
The Krull dimension of composite power series rings over valuation rings
Slide
11:20--12:10
Robert Wisbauer
Around Azumaya rings - An overview of ring theory in the last decades
Slide
Lunch Break
14:00--14:50
Julia Sauter
On quiver Grassmannians and orbit closures for gen-finite modules
15:05--15:35
Kazunori Nakamoto and Takeshi Torii
The moduli of subalgebras of the full matrix ring of degree 3
Slide
15:50--16:30
4 Short talks
Yuta Kozakai
Two-sided tilting complexes and folded tree-to-star complexes
Slide
Takuma Aihara
Singularity categories and silting objects
Toshitaka Aoki
Two-term silting complees over radical square zero algebras
Slide
Taro Sakurai
Central elements of the Jennigs basis and certain Morita invariants
Slide
16:50--17:40
Shigeo Koshitani
Simple modules in the Auslander-Reiten quivers for finite group algebras
October 8 (Sunday)
9:00--9:30
Yuta Kimura
Functor categories on derived categories of hereditary algebras
Slide
9:45--10:15
Erik Darpö
d-representation-finite self-injective algebras
10:30--11:00
3 Short talks
Sota Asai
Bricks over preprojective algebras
Slide
Toshiya Yurikusa
Wide subcategories are semistable
Slide
Osamu Iyama
Tilting theory for Gorestein rings in dimension one
11:20--12:10
Robert Wisbauer
A categorical approach to algebras and coalgebras
Slide
Lunch Break
14:00--14:50
Shuichi Ikehata
Hisao Tominaga, one of founders of this Symposium
Slide
15:05--15:45
4 Short talks
Mitsuo Hoshino, Noritsugu Kameyama and Hirotaka Koga
Infinite sequences of Frobenius extensions
Slide
Ayako Itaba, Ryo Onozuka and James Eccles
The defining relations and the Calabi-Yau property of 3-dimensional quadratic AS-regular algebras
Slide
Mayu Tsukamoto
Strongly quasi-hereditary algebras and rejective subcategories
Slide
Naoya Hiramatsu
Degenerations of Cohen-Macaulay modules via matrix representations
Slide
16:05--16:35
3 Short talks
Tomohiro Itagaki
Symmetric Hochschild extension algebras and normalized 2-cocycles
Slide
Jung Wook Lim
On S-Noethrian rings
Slide
Jutirekha Dutta and Dhiren K. Basnet
Relative non-commuting graph of a finite ring
Slide
16:55--17:25
Masahisa Sato
On Nakayama Conjecture and related conjectures - Review@
Slide
18:30--
Conference dinner
October 9 (Monday)
9:00--9:30
Izuru Mori and Kenta Ueyama
When is an abelian category a quantum projective space ?
9:45--10:15
Aaron Chan
Two constructions of Iwanaga-Gorenstein algebras
10:30--11:00
Haruhisa Enomoto
Classifications of exact structures and Cohen-Macaulay finite algebras
Slide
11:20--12:10
William Crawley-Boevey
Sigma-pure-injective modules for string algebras
Lunch Break
14:00--14:30
Kaoru Motose
The Feit-Thompson conjecture is true
14:45--15:15
Gangyong Lee, Mauricio Medina-Bárcenas and Khanh Tung Nguyen
The number of partial matrix rings
Slide
15:30--16:00
Hideyuki Koie, Tomohiro Itagaki and Katsunori Sanada
The ordinary quivers of Hochschild extension algebras for self-injective Nakayama algebras
Slide
16:15--16:45
Isao Kikumasa, Kazutoshi Koike and Kiyoichi Oshiro
Complex rings, Quaternion rings and Octonion rings
Slide
17:00--17:50
Shigeo Koshitani
Source algebra version of Donovan's conjecture for finite group algebras
October 10 (Tuesday)
9:00--9:30
Hiroyuki Minamoto and Kota Yamaura
On finitely graded IG-algebras and the stable categories of their (graded) CM-modules
Slide
9:45--10:15
Laurent Demonet
Lattice of torsion classes
Slide
10:30--11:00
Takahide Adachi and Yuya Mizuno
How to capture t-structures by silting theory
Slide
11:20--12:10
William Crawley-Boevey
Representations of equipped graphs