Preface and Program

Noriyuki Abe
Tilting modules for algebraic groups

Takuma Aihara
Examples of tilting-discrete symmetric algebras

Sota Asai
An extension theorem of semibricks

Shunsuke Hirota
Semibricks in super category O

Shota Inoue and Ayako Itaba
Symmetric cohomology of triangular bialgebras

Ayako Itaba and Shu Minaki
The Lie structure on the first Hochschild cohomology groups of Beilinson algebras of graded down-up algebras with weights (n, m)

Kaito Kimura
Cohomology annihilators and strong generation of syzygy subcategories

Naoko Kunugi and Hiroaki Taguchi
On relative projective covers for the principal blocks of finite groups with metacyclic Sylow subgroups

Yuki Mifune
On the Rouquier dimensions of singularity categories and their annihilators

Shu Minaki
Point modules of a family consisting of the enveloping algebras of color Lie algebras

Nao Mochizuki and Marvin Plogmann
On the Auslander–Reiten theory for extended hearts of proper connective DG-algebras

Izuru Mori
Noncommutative Hirzebruch surfaces

Kazunori Nakamoto, Shingo Okuyama and Yasuhiro Omoda
Thick representations of the symmetric group

Daisuke Nakamura
Explicit constructions of simple comodule algebras over a pointed Hopf algebra

Shunya Saito and Toshinori Kobayashi
Classifying KE-closed subcategories over a commutative noetherian ring

Ryo Takahashi
On the ubiquity of dominant local rings

Ryu Tomonaga
Higher representation infinite algebras arising from geometry

Mamoru Ueda
Affine Yangians and W -algebras of type A

Ryota Wakao
On R-matrices constructed from certain finite-dimensional Yetter-Drinfeld modules

Shun Wakatsuki, Yasuhiko Asao and Aaron Chan
Minimal projective resolution and magnitude homology of geodetic metric spaces