Deformation of Coxeter arrangements and enumerating the regions of the type A and type C
Speaker: Nguyen Dinh Vu

Time: 9h30, Thursday, May 21, 2020
Location: Room 201, Building A5, Institute of Mathematics

Abstract: The talk will deal with the following topics:

  1. Deformation of Coxeter arrangements and its characteristic polynomials corresponding to root systems.
  2. Enumerating the regions of the type A (Catalan, Shi, Semiorder and Linial) arrangements.
  3. Enumerating the regions of the type C Shi arrangement.
  4. Our recent computation of the regions of the type C Catalan arrangement

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