[Statlist] Zurich Colloquium in Applied and Computational Mathematics, Virtual Seminar by Dr. Kaibo Hu, University of Minnesota, 14 October 2020 16:15-​17:15

Maurer Letizia |et|z|@m@urer @end|ng |rom ethz@ch
Mon Oct 12 10:40:43 CEST 2020


Dear all

Zurich Colloquium in Applied and Computational Mathematics is glad to announce the following talk

"Complexes from complexes"
by Dr. Kaibo Hu, University of Minnesota

Time: Wednesday, 14 October 2020, 16:15-​17:15
Place: Zoom https://math.ethz.ch/sam/news-and-events/zhacm-colloquia.html<https://math.ethz.ch/sfs/news-and-events/young-data-science.html>

Abstract: There is a close connection between the Maxwell equations and the de Rham complex. The perspective of continuous and discrete differential forms has inspired key progress in the mathematical and numerical analysis for electromagnetism. This complex point of view also plays an important role in, e.g., continuum theory of defects, intrinsic theories of elasticity and relativity. In this talk, we derive new differential complexes from the de Rham complexes. The algebraic construction is inspired by the Bernstein-​Gelfand-Gelfand (BGG) machinery. The cohomological structures imply various analytic properties. As an example, we construct Sobolev and finite element elasticity complexes (Kröner complex in mechanics and the linearized Calabi complex in geometry) and generalize various results in classical elasticity, e.g., the Korn inequality and the Cesàro-​Volterra path integral.

Best wishes,



Seminar website: https://math.ethz.ch/sam/news-and-events/zhacm-colloquia.html<https://math.ethz.ch/sfs/news-and-events/young-data-science.html>

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