Mittagsseminar (in cooperation with A. Steger, D. Steurer and B. Sudakov)
Talks by Uli Wagner
1999
October
- October 14, 1999, Uli Wagner: Das Banach-Tarski-Paradox [details]
2000
May
- May 30, 2000, Uli Wagner: A continuous analogue of the upper bound theorem [details]
2001
February
- February 22, 2001, Uli Wagner: News from Alon on Choice Numbers [details]
April
- April 12, 2001, Uli Wagner: Counting Corner Cuts [details]
2002
May
- May 07, 2002, Uli Wagner: The CLIQUE Problem in Intersection Graphs of Ellipses [details]
June
- June 11, 2002, Uli Wagner: On Rectilinear Crossing Numbers of Complete Graphs [details]
September
- September 03, 2002, Uli Wagner: On weak epsilon-nets for convex sets [details]
November
- November 07, 2002, Uli Wagner: Convex Quadrilaterals and j-Edges, Part I [details]
- November 12, 2002, Uli Wagner: Convex Quadrilaterals and j-Edges, Part II [details]
2003
June
- June 03, 2003, Uli Wagner: Shape Dimension and Intrinsic Metric from Samples of Manifolds [details]
2004
March
- March 16, 2004, Uli Wagner (Charles University, Prague): On Halving Simplices in 4 Dimensions (Part I) [details]
- March 18, 2004, Uli Wagner (Charles University, Prague): On Halving Simplices in 4 Dimensions (Part II) [details]
2005
April
- Friday, April 22, 2005, Uli Wagner (Einstein Inst. of Mathematics, The Hebrew Univ. of Jerusalem): k-Sets and Topological Invariants of Plane Curves [details]
2006
November
- November 09, 2006, Uli Wagner: Set pairs (and, time permitting, quadrupels) [details]
2008
February
- February 21, 2008, Uli Wagner: Van Kampen's Obstruction and Embeddability of Skeleta of Spheres [details]
October
- October 21, 2008, Uli Wagner: Hardness of Embedding Simplicial Complexes in R^d (Part I) [details]
- October 23, 2008, Uli Wagner: Hardness of Embedding Simplicial Complexes in R^d (Part II) [details]
2009
- October 15, 2009, Uli Wagner: Complete Minors of Hypergraphs & Simplicial Complexes (Part 1. Definitions & Motivation) [details]
November
- November 26, 2009, Uli Wagner: Complete Minors of Hypergraphs & Simplicial Complexes (Part 2.) [details]
2010
June
- June 01, 2010, Uli Wagner: A combinatorial/geometric proof of the Colored Tverberg Theorem [details]
2011
February
- February 22, 2011, Uli Wagner: An elementary construction of expanders [details]
2013
May
- May 02, 2013, Uli Wagner (Institute of Science and Technology Austria): Helly vs. Betti [details]
November
- Friday, November 22, 2013, in CAB G11, Uli Wagner (Institute of Science and Technology Austria): Can a balloon be shrunk to a point in the presence of obstacles? --- An Introduction to Computational Homotopy Theory [details]
2018
July
- July 26, 2018, Uli Wagner (IST Austria): Shellability is NP-complete [details]
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