AG Seminar Spring 2018
Student No.:40
Time:Thu 15:30-16:30
Instructor:Eduard Looijenga, Fu Lei, Xu Quan, Pan Jinzhao  
Place:Lecture Hall, Jin Chun Yuan West Bldg.
Starting Date:2018-3-15
Ending Date:2018-6-7

Welcome to the AG seminar in YMSC, Tsinghua University. We will continue the AG seminar this semester.

We will invite the newly faculties and post-docs, also visitors to give a talk so that we can have more knowlege to each other and academic communication.



Speaker: Xu Quan [YMSC, Tsinghua University]

Title: Syntomic cohomologies in syntomic regulator

Abstract: At the beginning, we will fast recall the analogue from complex regulators to p-adic regualtors. Then we investigate some kinds of syntomic cohomologies in syntomic regulator, inclduing my recent result on log rigid syntomic cohomology.If time permits, we also
talk about the relation between syntomic regulator and p-adic integrtion.



Speaker: Sun Shenghao [Tsinghua University]

Title: l-independence, perverse sheaves, and some related problems

Abstract: In the theory of etale cohomology, there is a type of problems called "independence of l". Basically, it asks whether any family of l-adic sheaves, though for varying primes l but which are compatible in some sense, remains compatible under any cohomological operation. One particular l-independence that we expect after the operation is applied is the domain of lissity, and this question has a variant w.r.t. the perverse t-structure. We will explain the relevant notions and state the theorem. Time permitting, we will also discuss some related questions in the end.