September 23, 4:30 ~ 5:30; Sanghyeon Lee; Correspondence of DT and GV invariants on local CY 4-folds over V_5 and V_22
September 30, 10:30 AM ~ 11:30 AM; Xiaohan Yan; Quantum K-theory of flag varieties via non-abelian localization;Quantum K-theory of flag varieties via non-abelian localization
October 7, 4:30 ~ 5:30; Sang-Bum Yoo; An introduction to P=W conjecture
October 14, 4:00 ~ 5:00; Tasuki Kinjo; Virtual classes via vanishing cycles Virtual classes via vanishing cycles
October 21, No meeting
October 28, 4:30 ~ 5:30; Dimitri Zvonkine; Gromov-Witten invariants of complete intersections
November 4, 10:30 AM ~ 11:30 AM; Mark Shoemaker; A mirror theorem for GLSMs
November 11, 4:30 ~ 5:30; Hyeonjun Park; Virtual pullbacks in Donaldson-Thomas theory of Calabi-Yau 4-folds
November 18, No meeting
November 25, 4:30 ~ 5:30; Michael Wemyss; GW and GV invariants via the movable cone
December 2, 9:30 AM ~ 10:30 AM; Amin Gholampour; 2-dimensional stable pairs on 4-folds
December 9, 4:30 ~ 5:30; Denis Nesterov; TBA
December 16, 4:30 ~ 5:30; Sangwook Lee; TBA