Discrete Geometric Structure Seminar
Introduction to species and their application to hyperplane arrangements
辻栄 周平 (Shuhei TSUJIE Hiroshima Kokusai Gakuin University)
2019/06/03 (Mon), 9:00-12:00 (3-413)
2019/06/03 (Mon), 9:00-12:00 (3-413)
In this talk, first we introduce combinatorial species.
The theory of species was initiated by Joyal and gives a systematic way to enumerate discrete structures.
Second, as an application of species, we enumerate flats of the extended Catalan and Shi arrangements.
This talk is based on joint work with Norihiro Nakashima (Nagoya Institute of Technology).