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**Dec****
24**

**Prof. Young-Hoon KIEM**

**Seminar on Geometry**

Critical virtual manifolds and perverse sheaves

Room 5510 (lift 25 & 26)

10:30am-12:30pm

**Dec****
22**

**Prof. Bochen LIU**

**Departmental Colloquium**

ERDÖS-FALCONER TYPE PROBLEMS IN EUCLIDEAN SPACES

Room 3472, lift 25&26

11:00am-12:00am

**Dec****
22**

**Prof. Young-Hoon KIEM**

**Seminar on Geometry**

Le Potier's stability for quasimaps and wall crossing

Room 5510 (lift 25 & 26)

10:30-12:30pm

**Dec****
16**

**Prof. Hintz PETER**

**Departmental Colloquium**

Regularity of waves at the Cauchy horizon of black hole spacetimes

Room 1504 (lift 25 & 26)

2:30pm-3:30pm

**Dec****
3**

**Prof. Sheng QIN**

**Seminar on Applied Mathematics**

Computing Highly Oscillatory Waves Faster and More Accurately

Room 5506 (lift 25 & 26)

4:30pm-5:30pm

**Dec****
3**

**Dr. Artan SHESHMANI**

**Seminar on Geometry**

Counting curves on surfaces in Calabi-Yau threefolds and proof of S-duality modularity conjecture

Room 5508 (lift 25 & 26)

3:00pm-5:00pm

**Dec****
1**

**Dr. Artan SHESHMANI**

**Seminar on Geometry**

On modularity of DT invariants of threefolds given by surface fibrations

Room 5510 (lift 25 & 26)

10:30am-12:30noon

**Nov****
23**

**Prof. András VASY**

**IAS - Department of Mathematics Joint Seminar**

Analysis on Asymptotically Hyperbolic and de Sitter Spaces

Room 1504 (lift 25 & 26)

10:30am-11:30am

**Nov****
20**

**Dr. Wanmin LIU**

**Seminar on Geometry**

Lectures on Bayer-Macri's Nef Line Bundle Theory II

Room 3598 (lift 27 & 28)

4:30pm-6:00pm

**Nov****
19**

**Prof. Semyon DYATLOV**

**IAS - Department of Mathematics Joint Seminar**

Resonances in Chaotic Scattering

Room 2303 (lift 17 & 18)

4:45pm-6:00pm

**Nov****
18**

**Prof. Fang LI**

**Seminar on Pure Mathematics**

Cluster algebras: Introduction, results and open problems

Room 2503 (lift 25 & 26)

3:00pm-4:00pm

**Nov****
18**

**Dr. Wanmin LIU**

**Seminar on Geometry**

Lectures on Bayer-Macri's Nef Line Bundle Theory I

Room 4475 (lift 25 & 26)

10:30am-12:00noon

**Nov****
17**

**Prof. Xuwen ZHU**

**Departmental Colloquium**

The moduli space of Riemann surfaces and the Weil-Petersson metric

Room 2406 (lift 17 & 18)

11:00am-12:00noon

**Nov****
16**

**Prof. Robert CONTE**

**Seminar in Mathematics**

A new reduction of Gauss-Codazzi equations to the sixth Painlevé equation

Room 3588 (lift 27 & 28)

2:30pm-3:30pm

**Nov****
6**

**Prof. Zhaojun BAI**

**Seminar on Scientific Computation**

Rayleigh Quotient-type Optimizations and Eigenvalue Problems

Room 2405, lift 17&18

10:00am-12:00noon

**Nov****
2**

**Prof. Min TANG**

**Seminar on Scientific Computation**

Uniform Convergent Tailored Finite Point Method for the Neutron Transport Equation

Room 3494 (lift 25 & 26)

4:30pm-5:30pm

**Oct****
31**

**Prof. Hiroshi IRITANI**

**Seminar on Geometry**

A Fock shaef for Givental quantization

Room 1504 (lift 25 & 26)

9:30am-10:30am

**Oct****
31**

**Prof. Hiroshi IRITANI**

**Seminar on Geometry**

Shift operator and toric mirror symmetry

Room 1504 (lift 25 & 26)

10:30am-12:00noon

**Oct****
30**

**Prof. Hiroshi IRITANI**

**Seminar on Geometry**

An introduction to Gamma conjecture

Room 1504 (lift 25 & 26)

4:30pm-6:00pm

**Oct****
28**

**Prof. Qi WANG**

**Seminar on Applied Mathematics**

Models for active matter and their applications to cellular dynamics

Room 3598 (lift 27 & 28)

4:00pm-5:00pm

**Oct****
19**

**Dr. Stefan SANDFELD**

**Croucher Lab Seminar**

Dislocation Structure Formation in a Continuum Model of Dislocation Dynamics

Room 3588 (lift 27 & 28)

3:00pm-4:00pm

**Oct****
18**

**Dr. Wanmin LIU**

**Seminar on Geometry**

Lectures on Bayer-Macri's Nef Line Bundle Theory I

Room 4475 (lift 25 & 26)

10:30am-12:00noon

**Oct****
13**

**Prof. Patrick Louis COMBETTES**

**Departmental Colloquium**

Splitting Techniques in the Face of Huge Problem Sizes: Block-Coordinate and Block-Iterative Approaches

Room 4475 (lift 25 & 26)

4:30pm-5:30pm

**Oct****
10**

**Prof. Todor MILANOV**

**Seminar on Pure Mathematics**

Vertex algebras in Gromov--Witten theory

Room 1505 (lift 25 & 26)

2:00pm-5:00pm

**Oct****
10**

**Prof. Todor MILANOV**

**Hong Kong Geometry Colloquium**

The topological recursion and Givental--Teleman's higher genus reconstruction

Room 1505 (lift 25 & 26)

11:30am-12:30noon

**Oct****
10**

**Prof. Fei HAN**

**Hong Kong Geometry Colloquium**

Exotic twisted equivariant cohomology of loop spaces, twisted Bismut-Chern character and T-duality

Room 1505 (lift 25 & 26)

10:00am-11:00am

**Oct****
9**

**Prof. Fei HAN**

**Seminar on Pure Mathematics**

Brief introduction to gerbes, twisted K theory and twisted Chern character form

Room 1505 (lift 25 & 26)

3:30pm-5:00pm

**Oct****
9**

**Prof. Fei HAN**

**Seminar on Pure Mathematics**

Atiyah-Witten-Bismut's approach of index theorem via loop space

Room 1505 (lift 25 & 26)

10:30am-12:30noon

**Oct****
9**

**Prof. Arieh ISERLES**

**Joint HKUST MAE/MATH/HKSTAM Distinguished Seminar**

Quadrature of highly oscillatory integrals

Rm 2571B (lift 27/28)

10:30-11:30

**Sep****
17**

**Prof. Shuyang LING**

**Seminar on Applied Mathematics**

Self-calibration and biconvex compressive sensing

Room 3494 (lift 25 & 26)

4:30pm-5:30pm

**Sep****
4**

**Prof. Ya-Guang WANG**

**Departmental Colloquium**

Stability of Prandtl Boundary Layers

Room 4475 (lift 25 & 26)

3:00pm-4:00pm

**Aug****
21**

**Dr. Yefeng SHEN**

**Seminar on Pure Mathematics**

Landau-Ginzburg mirror symmetry conjecture

Room 4472 (lift 25 & 26)

3:00pm-4:00pm

**Aug****
18**

**Prof. Hau-tieng WU**

**Seminar on Applied Mathematics**

Concentration of Frequency and Time (ConceFT) and its application to medical datasets

Room 3494, lift 25&26

4:00pm-5:00pm

**Aug****
18**

**Prof. Tianqi FAN**

**Seminar on Pure Mathematics**

Locally Analytic Representations and Equivariant D∞-Modules on the Flag Variety

Room 4472, lift 25&26

2:30pm-3:30pm

**Aug****
10**

**Prof. Wen-Ching Winnie LI**

**Departmental Colloquium**

Combinatorial zeta and L-functions

Room 3588 (lift 27 & 28)

4:00pm-5:00pm

**Jul****
28**

**Dr. James SPRITTLES**

**Seminar on Applied Mathematics**

Singular Capillary Microflows: Modelling, Computation & Scaling

Room 4480 (lift 25 & 26)

4:00pm-5:00pm

**Jul****
28**

**Prof. Shidong JIANG**

**Seminar on Applied Mathematics**

Fast and accurate algorithms of nonlocal interactions via NUFFT and their applications

Room 4480 (lift 25 & 26)

3:00pm-4:00pm

**Jul****
9**

**Dr. Ivan IP**

**Seminar on Pure Mathematics**

Quantum dilogarithm identities at root of unity

Room 3584 (lift 27 & 28)

3:00pm-4:30pm