Mittagsseminar (in cooperation with J. Lengler, A. Steger, and D. Steurer)

Date and Time: Tuesday, November 09, 2021, 12:15 pm

Duration: 30 minutes

Location: OAT S15/S16/S17

Speaker: Vaclav Rozhon

Distributed Algorithms and Set Theory

It is an important statement in the theory of distributed computing that deterministic algorithms that color a Delta-regular tree with Delta colors need at least log(n) time to finish. It was proven by Brand et al. in 2016 but, funnily enough, it also directly follows from a set theoretical result proven by Marks in 2013. I will explain (a finite version of) Marks' proof and maybe talk about some recent developments around it that are joint with Sebastian Brandt, Yi-Jun Chang, Jan Grebík, Christoph Grunau, and Zoltán Vidnyánszky.

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