[Facets-of-complexity] Invitation to Monday Lecture & Colloquium - May 13th 2019

[Ita Brunke <i.brunke@inf.fu-berlin.de>]

You are cordially invited to our next Monday Lecture & Colloquium on May 13th at 14:15 h & 16:00 h at TU Berlin.

Location:

Room MA 041 - Ground Floor
Technische Universität Berlin
Straße des 17. Juni 136
10623 Berlin 

Time: Monday, May 13th - 14:15 h

Lecture: Boaz Slomka (Weizmann Institute of Science, Rehovot Israel)

Title: On Hadwiger's covering conjecture

Abstract:

A long-standing open problem, known as Hadwiger’s covering problem, asks what is the smallest natural number N(n) such that every convex body in {\mathbb R}^n can be covered by a union of the interiors of at most N(n) of its translates.
In this talk, I will discuss some history of this problem and its close relatives, and present more recent results, including a new general upper bound for N(n).

Coffee & Tea Break :

Room MA 316 - Third Floor [British Reading]

Time: Monday, May 13th - 16:00 h s.t.

Colloquium: Fei Xue (Technische Universität Berlin)

Title: On the lattice point covering problem in dimension 2

Abstract:
We say that a convex body K has the lattice point covering property, if K contains a lattice point of Z^n in any position, i.e., in any translation and rotation of K. In this talk we discuss the lattice point covering property of some regular polygons in dimension 2.