会议室预约入口
"智能计算与应用"黄色动漫
数学中心
English
学术报告
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The Constant Rank TheoremIn this talk, we will introduce the constant rank theorem, a technique to study the convexity of solutions to PDEs. In particular, the constant rank theorem of spacetime level sets of heat equation, a joint work with Xinan Ma and Paolo Salani, will be particularly discussed.陈传强 教授 （ 宁波大学）腾讯会议室2020年11月17日 10:00-11:00
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Free Boundary Constant P-Mean Curvature Surfaces Intersecting the Pansu Spher...We will introduce the notion of free boundary constant p-mean curvature (CPMC) surface in a 3-dimensional pseudohermitian manifold with boundary. For the domain bounded by the Pansu sphere in the 3-dimensional Heisenberg group, we will talk on examples of free boundary CPMC surfaces which are rotationally symmetric about the t-axis. This is a joint work with Shujing Pan and Yongbing Zhang.孙俊 副教授 （武汉大学）腾讯会议室2020年11月17日 9:00-10:00
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Translation Invariant Quadratic Forms and Dense Sets of PrimesWe consider the translation invariant quadratic forms over dense sets of prime numbers. Let f be a translation invariant quadratic form in ten variables. Subject to a suitable rank condition, we prove that $f$ has a nontrivial zero over dense subset of primes. The proof involves the Hardy-Littlewood method, the sieve method, Roth's method of density increment and Green's W-trick.赵立璐 教授 （山东大学）腾讯会议室2020年11月17日 8:00-9:00
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Curvature Flows for Hypersurfaces in Hyperbolic Space and their Geometric App...In this talk, we discuss the contracting curvature flow, expanding curvature flow, globally constrained curvature ow and locally constrained curvature ow for hypersurfaces in hyperbolic space and their applications to geometric inequalities.李海中 教授 （清华大学）致远楼101室2020年11月13日 10:00-11:00
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Geometric Integral Formulas and InequalitiesIn this talk I will give a short survey on some interesting geometric integral formulas and inequalities, such as Minkowski integral formula, Heintze-Karcher inequality and isoperimetric inequalities etc. We will go over the idea of proofs and then propose some questions.马辉 教授 （清华大学）腾讯会议室2020年11月10日 10:00-11:00
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SL(n) Covariant Vector Valuations on PolytopesIn this talk, we will show that some results on vector valuation. All SL(n) covariant vector valuations on convex polytopes in Rn are completely classified without any continuity assumptions. The moment vector turns out to be the only such valuation if n ≥ 3, while two new functionals show up in dimension two.曾春娜 教授 （重庆师范大学）腾讯会议室2020年11月10日 9:00-10:00
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Minkowski Problems and Related FlowsFlow method is an effective tool to study variational problems. In this seminar, we discuss Minkowski type problems and their related flow arguments.李奇睿 教授 （浙江大学）腾讯会议室2020年11月10日 8:00-9:00
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Harmonic Functions and the Structure of Complete ManifoldsWe will talk about the Li-Tam theory by Peter Li and Luen-Fai Tam (J. Differential Geometry Vol 35(1992), 359-383 ), which relates the infinity geometric structure of complete manifolds to the theory of harmonic functions.Bo Chen (清华大学)腾讯会议室2020年11月5日 14:00-16:00
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