# Taipei Postdoc Seminar

## May 16, 2018 11:00-12:30 Dr. Chia-Yu Hsieh (National Center for Theoretical Sciences) Venue: Room 202, Astro-Math. Building Title: A Poisson-Nernst-Planck Model with Singular Permanent Charges

Abstract:

The Poisson-Nernst-Planck (PNP) system is widely used to model charge transport in many physical and biological problems, for example, semiconductors and ion channels. In this talk, we will introduce a PNP system with singular permanent charges. When the permanent charge distribution is an ensemble of point charges in the domain, we transform the original system into a parabolic-elliptic system with weights. We will show the well-posedness of the system in some weighted Sobolev spaces.

2016

## Apr. 18, Chao Zhang (AS) The Kuga-Satake Constructions and Newton Stratifications on Orthogonal Shimura Varieties May 2, Kian Chuan Ong (NCTS) Finite Difference Method for Numerical Simulation of Incompressible Fluid Flow May 16, Kei Yuen Chan (University of Georgia) Branching rules for reductive groups --

### The Taipei Postdoc Seminar is a weekly seminar that is organized jointly by the Institute of Mathematics of Academia Sinica and the National Center for Theoretical Sciences during the regular academic year. The seminar is held in these two mathematical institutions, with each one of them hosting the event approximately once every two weeks. The National Taiwan University, Academia Sinica, and the NCTS, together employ a significant number of postdoctoral fellows in mathematics from all over the world every year. The diverse scientific and cultural backgrounds of these postdocs create a unique environment of learning, and the goal of the Taipei Postdoc Seminar is to take advantage of this opportunity by bringing together all these postdocs once in a week in an informal-style seminar to enhance discussions and exchange of ideas among the participants. It is our belief that not only will this seminar encourage and eventually lead to more collaboration among mathematicians in Taipei, but it will also give the participants a chance to broaden their own scientific viewpoints. It is our hope that this seminar will greatly enrich the academic experience of the postdoctoral fellows during their stay in Taipei. Organizers: Jyun-Ao Lin (jalin@math.sinica.edu.tw), Yang-Kai Lue (yklue@ncts.ntu.edu.tw)

Former organisers