Algebraic Geometry seminar: Recent breakthroughs on completing general period mappings

Speaker: 邓昊骅 (Dartmouth College and Zhejiang University)

Time: 2025-10-27 10:30-11:30
Location: 910, SIMIS

Abstract: Since Griffiths’ question in the 70’s, it is a long-standing problem to find a completion of general period mapping with significant geometric and Hodge-theoretic meaning. The classical theories on the compactification of locally symmetric varieties by Satake–Baily–Borel and Mumford et al provide such completions to a very limited set of “classical” cases, while the problem has been almost completely open for non-classical cases until recent years. I will report the latest progress in this direction including several of my papers. Collaborators include Chongyao Chen (IMFP Shanghai), Colleen Robles (Duke), Jacob Tsimerman (Toronto).


About Speaker: Dr. Deng received his bachelor’s degree at Zhejiang University and Ph.D. degree at Washington University in Saint Louis. He was a research assistant professor at Duke university during 2022-2025. He will join Dartmouth College as a JWY research instructor. His research specializes on algebraic geometry and Hodge theory.

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