Speaker: Dr. QIU Yu, Associate Professor, Yau Mathematical Sciences Center, Tsinghua UniversityVenue: Room 316, Ouyang Building, Yuquan CampusAbstract:We introduce q-deformations of categories, stability conditions and quadratic differentials, which relates previous works of Bridgeland-Smith and Haiden-Kazarkov-Kontsevich. This is a joint work with Ikeda and Zhou.

Speaker: Dr. WANG Zhichao, Postdoctoral Fellow, Department of Mathematical & Computational Sciences, University of TorontoTecent Meeting ID: 723 834 103Abstract:In this talk, we introduce the multiplicity one theorem for min-max free boundary minimal hypersurfaces in compact manifolds with boundary of dimension between 3 and 7 for generic metrics. To approach this, we developed the min-max theory for free boundary h-hypersurfaces and proved the generic properness for free boundary minimal hypersurfaces. The application includes the construction of new free boundary minimal hypersurfaces in the unit balls in Euclidean spaces and self-shrinkers of the mean curvature flow with arbitrarily large entropy. This is a joint work with A. Sun and X. Zhou.

Speaker:LIU Bochen, Associate Profressor, College of Science, Department of Mathematics, Southern University of Science and TechnologyVenue: 200-9, Sir Run Run Shaw Business Administration Building, School of Mathematical Sciences, Yuquan CampusTecent Meeting ID: 156 225 668Abstract:We discuss some recent progress on the local smoothing conjecture for FIOs. In particular, we prove a variable coefficient version of the square function estimate of Guth--Wang--Zhang, which implies the full range of sharp local smoothing estimates for 2+1 dimensional Fourier integral operators satisfying the cinematic curvature condition. As a consequence, the local smoothing conjecture for wave equations on compact Riemannian surfaces is settled. This is a joint work with Chuanwei Gao, Changxing Miao and Yakun Xi.  

Speaker: Prof. LUO Lingfei, School of Life Sciences, Southwest UniversityVenue: Room 205, Administrative Building, School of Medicine

Speaker: Dr. Philip Kwok, Faculty of Medicine and Health, The University of SydneyVenue: Meeting Room, Second Floor, College of Pharmaceutical Sciences, Zijingang CampusZoom Meeting ID: 841 8292 1280 (Password: k95Q4r)

Speaker: Prof. Hak-Kim Chan, School of Pharmacy, The University of SydneyVenue: Meeting Room, Second Floor, College of Pharmaceutical Sciences, Zijingang CampusZoom Meeting ID: 841 8292 1280 (Password: k95Q4r)S

Speaker: Prof. CHANG Jinyuan, School of Statistics, Southeastern University of Finance and EconomicsVenue: Room 1417, Library and Information Center Building C, Zijingang Campus

Speaker: Dr. LI Chang, Chinese Academy of SciencesTecent Meeting ID: 667 998 489 (Password: 1210)Abstract:By studying a complex Monge-Ampere equation, we present an alternate proof to a recent result of Chu-Lee-Tam concerning the projectivity of a compact Kahler manifold N with Ric_k < 0 for some integer k with 1 < k < n, and the ampleness of the canonical line bundle K_N . This is a joint work with Lei Ni and Xiaohua Zhu.

Speaker: BAO Zhigang, Assistant Professor, Department of Mathematics, Hong Kong Univerisity of Science and TechnologyTecent Meeting ID: 339 312 486