Introduction to Deligne's Period Conjecture-Qiuzhen College,Tsinghua University

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The cyclic Deligne conjecture and Calabi-Yau structures
AbstractThe Deligne conjecture, many times a theorem, states that for a dg category C, the dg endomorphisms End(Id_C) of the identity functor-- that is, the Hochschild cochains-- carries a natural structure of 2-algebra. When C is endowed with a Calabi-Yau structure, then Hochschild cochains and Hochschild chains are identified up to a shift, and we may transport the circle action from Hochschi...
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Remodeling conjecture with descendant and Hosono Conjecture
Tsinghua-BIMSA symplectic geometry seminarOrganizers：Kenji Fukaya(Tsinghua), Honghao Gao(Tsinghua), Hang Yuan(BIMSA)Speaker：Zhengyu Zong 宗正宇Time：Mon., 3:30-4:30 pm, Mar. 24, 2025Venue：B627, Shuangqing Complex Building ATitle:Remodeling conjecture with descendant and Hosono ConjectureAbstract：Based on the work of Eynard-Orantin and Marino, the Remodeling Conjecture was proposed in the pa...