Postdoc Seminar (BICMR).
Postdoc Seminar, BICMR: Cup product issues in the mapping cone Morse theory (Fall 2026).
Analysis and Operator Algebra Seminar, East China Normal University: Topology via the Witten deformation (Summer 2026).
Summer School on Noncommutative Geometry, Dalian University of Technology: Serre vanishing theorem in the twisted primitive cohomology (Summer 2026). Slides.
Geometry and Mathematical Physics Workshop, Southern University of Science and Technology: Filtered semi-characteristics of closed symplectic manifolds (Fall 2025).
Frontier Forum of Mathematics, Renmin University of China: Symplectic semi-characteristic and its formula (Fall 2025).
Postdoc Seminar, BICMR: A counting formula of the symplectic semi-characteristic (Fall 2025).
Gone Fishing 2025, WUSTL: Symplectic semi-characteristics (Spring 2025).
NCG Festival, CU Boulder: Kervaire semi-characteristics in KK-theory (Spring 2025).
Szegő Seminar, WUSTL: An introduction to Gromov-Witten invariants (Spring 2025).
Geometry and Topology Seminar, WUSTL: Invariant Thom-Smale-Witten theory (Spring 2025).
JMM 2025, Seattle: Generalized mod 2 index in KK-theory and an Atiyah type vanishing theorem (Winter 2025).
UIUC-WUSTL Joint Symplectic Geometry Seminar, UIUC: Analytic Morse theory under Lie group actions (Fall 2024).
Geometry and Topology Seminar, WUSTL: Proper cocompact Kervaire semi-characteristics in KK-theory (Fall 2024).
Gone Fishing 2024, Northwestern University: Invariant Morse-Bott-Smale cohomology and the Witten deformation (Spring 2024).
Graduate Seminar, Missouri S&T: Witten's insight: An analytic approach to Morse theory (Spring 2024).
Differential Geometry and Symplectic Topology Seminar, UMN Twin Cities: Invariant Morse-Bott-Smale chain complexes, the Witten deformation and the estimates of eigenvalues (Spring 2024).
Noncommutative Geometry Seminar, Texas A&M University: Invariant Morse-Bott-Smale chain complexes, the Witten deformation and Lie groupoid methods (Spring 2024).
Workshop on Noncommutative Geometry and Representation Theory, WUSTL: Invariant Morse-Bott-Smale cohomology and the Witten deformation (Fall 2023).
Geometry and Topology Seminar, WUSTL: Invariant Morse-Bott-Smale chain complex under the circle action (Spring 2023).
Szegő Seminar, WUSTL: Introduction to Morse theory (Spring 2022).
Geometry and Topology Seminar, WUSTL: An analytic proof of the Poincaré-Hopf index theorem (Fall 2021).
The 30th Southern California Geometric Analysis Seminar, UC Irvine (Spring 2025).
Multivariable Operator Theory Conference, WUSTL (Summer 2024).
UIUC-WUSTL Joint Symplectic Geometry Seminar, UIUC (Spring 2024).
UIUC-WUSTL Joint Symplectic Geometry Seminar, WUSTL (Fall 2023).
NCG Festival, WUSTL (Summer 2023).
UIUC-WUSTL Joint Symplectic Geometry Seminar, UIUC (Spring 2023).
The 28th Southern California Geometric Analysis Seminar, UC Irvine (Spring 2023).
Workshop on Hypoelliptic Operators, WUSTL (Fall 2022).
Great Plains Operator Theory Symposium Conference, WUSTL (Summer 2022).
Great Plains Operator Theory Symposium Conference, online (Summer 2021).
Global Noncommutative Geometry Seminar, online (2020-2023).
K-theory and Noncommutative Geometry, SCMS (Summer 2019).