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Nicolai Hähnle

PhD Student

EPFL SB IMA
MA B1 533
Station 8
CH-1015 Lausanne

Phone: +41 21 693 2739
Fax: +41 21 693 5840
Email: nicolai.haehnle [at] epfl [dot] ch

Biography

February 12, 1984: born in Herrenberg, Germany

June 2003: Abitur from Gymnasium Weilheim, Weilheim i. OB., Germany

October 2008: Diplom in mathematics from Universität Paderborn, Germany

Since November 2008: PhD student at EPFL

Writings

This is a more or less random collection of texts related to various topics in mathematics and computer science that I have written over the years. You may or may not find them useful; in any case, treat them as if they were full of mistakes, and please drop me an email if you find any.

My blog, in particular: entries about mathematics

Combinatorial abstractions for the diameter of polytopes (diploma thesis)

Preflow-Push Algorithmen (undergrad seminar in computer science, in German)

Symbolische Dynamik (undergrad seminar in mathematics, in German)

Publications

	Friedrich Eisenbrand, Nicolai Hähnle, and Thomas Rothvoß. Diameter of Polyhedra: Limits of Abstraction. In 25th Annual ACM Symposium on Computational Geometry (SoCG'09), 2009. [ Details \| Full Text \| Link ]
	Friedrich Eisenbrand, Nicolai Hähnle, Dömötör Pálvölgyi, and Gennady Shmonin. Testing additive integrality gaps. In Proceedings of the ACM-SIAM Symposium on Discrete Algorithms, 2010. [ Details \| Full Text \| Link ]

Teaching

Fall 2009: Mathematics of Machine Learning (main assistant)

Summer 2009: Optimization (main assistant)

Summer 2007: Datenstrukturen und Algorithmen (student assistant)

Winter 2006: Einführung in Berechenbarkeit, Komplexität und formale Sprachen (student assistant)