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Time and Place Time: 09.09 and Every Friday 19:20-20:55 from 2024.09.27-2024.12.27 (no seminar on 09.20 and 10.04) Place: Shuangqing Complex Building C546 Prerequisite Algebraic geometry and symplectic geometry. Syllabus We will discuss following topics in quantum cohomology. Gamma conjecture and quantum D-module after Iritani. [1–3] (Jinghao Yu & Nantao Zhang) Small quantum cohomology of birational Calabi-Yau manifolds [4] (Lite Du) Quantum groups and quantum cohomology [5]

Aim Learning Gromov-Witten theory from several different aspects. For details, see syllabus. Time and Place Time: Every Tuesday 09:50-11:25 (From Feb 28th) Place: Ning Zhai(宁斋) S11 Prerequisite Algebraic geometry and symplectic geometry. Syllabus We will cover following topics in Gromov-Witten theory Gromov-Witten/Pandharipande-Thomas correspondence (Nantao Zhang) Gromov-Witten theory and topological recursion (Jinghao Yu) The equivariant Gromov-Witten theory of \(\mathbb{P}^{1}\) (Weilin Su) Graph sum formula

Aim Learning algebraic cycles and intersection theory in algebraic geometry. Time and Place Time: Every Tuesday, 09:50-11:25. Place: Ning Zhai(宁斋) W11 Tentative schedule Time Speaker Content 2022-09-13 Nantao Zhang Chapter 1 of Fulton 2022-09-20 Liyuan Ye Chapter 2 of Fulton 2022-09-27 Yuting Liu Chapter 3 of Fulton 2022-10-04 Yuting Liu, Yunling Chen continue, Chapter 4,5 of Fulton 2022-10-11 Yunling Chen continue 2022-10-18 Nantao

Aim Provide attendees enough information of Fukaya category and derived category of coherent sheaves to understand the main statement of homological mirror symmetry. \[D^{\pi}{\rm Fuk}(X) \cong D^{b}{\rm Coh}(X^{\vee})\] Also, I hope this learning seminar will give us a good chance to communicate with others in Tsinghua University, so feel free to invite others! Time and Place Start from 2022.02.27. Every Sunday, 09:30-11:00 Jinchunyuan West Building, Conference Room 1. (近