SpeakerHossein MovasatiProfessor of IMPA & BIMSATimeMon. & Wed., 13:30-15:05,Sept. 8-Dec. 17, 2025VenueC654, Shuangqing Complex Building AOnlineZoom Meeting ID: 271 534 5558Passcode: YMSCDescriptionThe main goal of the present course is two-folded. First, we develop the theory of Calabi-Yau modular forms introduced in [Mov22b, Mov17a, AMSY16]. Second, we aim to gather the literature on arithmet...
PrerequisiteBasic algebraic topology and number theoryAbstractI will talk about the basics of cohomology of arithmetic groups focusing on Harder's new book. I will start from simplest cases of the group SL_2 over Z (which covers the chapter 2 and 3 of the book of Harder) and try to be as concrete as possible. The goal is to under these cohomology groups from the point of view of geometry and ar...