Live Streaming and Videos

Japan time (UTC+9)

All the lectures are broadcasted via Zoom and Youtube Live Stream.

Monday, September 6, 2021

9h – 10h   Kazuya Kato (University of Chicago)
Upper ramification groups of arbitrary valuation rings

10h15 – 11h15   Akio Tamagawa (RIMS-Kyoto University)
The m-step solvable anabelian geometry of global fields and finitely generated fields
(joint work with Mohamed Saïdi)

16h30 – 17h   Online tea time at Gather Town

17h – 18h   Liang Xiao (Peking University)
Several questions regarding slopes of modular forms

18h15 – 19h15   Ana Caraiani (Imperial College London)
A comparison theorem for ordinary p-adic modular forms

Tuesday, September 7, 2021

9h – 10h   Alexander Beilinson (University of Chicago)
Height pairing and the Picard-Lefschetz-Illusie formula

10h15 – 11h15   Shinichi Kobayashi (Kyushu University)
Local units and root numbers of Hecke L-functions in anticyclotomic extensions at inert primes

16h30 – 17h   Online tea time at Gather Town

17h – 18h   Tomoyuki Abe (Kavli IPMU)
Ramification theory from homotopical point of view

18h15 – 19h15   Ofer Gabber (CNRS-IHÉS)
Properties of oriented products and nearby cycles over general bases

Wednesday, September 8, 2021

9h – 10h   Weizhe Zheng (MCM-Chinese Academy of Sciences)
Ultraproduct cohomology and the decomposition theorem

10h15 – 11h15   Yuri Yatagawa (Tokyo Institute of Technology)
Singular support and characteristic cycle of a rank one sheaf in codimension two

16h30 – 17h   Online tea time at Gather Town

17h – 18h   Daichi Takeuchi (RIKEN)
Symmetric bilinear forms and local epsilon factors of isolated singularities in positive characteristic

18h15 – 19h15   Quentin Guignard (MPIM Bonn)
Etale covers with bounded ramification

19h30 – 20h30   Online social event at Gather Town

Thursday, September 9, 2021

9h – 10h   Bhargav Bhatt (University of Michigan)
p-adic cohomology theories via stacks

10h15 – 11h15   Teruhisa Koshikawa (RIMS-Kyoto University)
Logarithmic prismatic site

16h30 – 17h   Online tea time at Gather Town

17h – 18h   Wiesława Niziol (CNRS-Sorbonne Université)
Cohomology of p-adic analytic spaces

18h15 – 19h15   Kęstutis Česnavičius (CNRS-Université Paris-Saclay)
Adic continuity and descent for flat cohomology

Friday, September 10, 2021

9h – 10h   Takeshi Tsuji (The University of Tokyo)
Integral cohomologies in the p-adic Simpson correspondence

10h15 – 11h15   Shuji Saito (The University of Tokyo)
The Abbes-Saito formula for motivic ramification filtrations

16h30 – 17h   Online tea time at Gather Town

17h – 18h   Moritz Kerz (Universität Regensburg)
Density of local systems with quasi-unipotent monodromy at infinity

18h15 – 19h15   Luc Illusie (Université Paris-Saclay)
Revisiting Deligne-Illusie


Ahmed Abbes (CNRS-IHÉS), Kenichi Bannai (Keio University-RIKEN),
Naoki Imai (The University of Tokyo), Tadashi Ochiai (Osaka University),
Atsushi Shiho (The University of Tokyo)