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Representation of binary quadratic forms by quaternary quadratic forms
Pengyu Yang 杨鹏宇 (中科院)
2026-03-18 (Wed) 14:30 — Room 102, SCMS
Abstract: We discuss the local-global principle of representation of integral binary quadratic forms by quaternary quadratic forms. Our approach is ergodic theoretic, and measure rigidity theorems in homogeneous dynamics play a key role. The talk is based on a joint work in progress with Wooyeon Kim and Andreas Wieser.
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