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Ulrich Pennig's user avatar
Ulrich Pennig's user avatar
Ulrich Pennig's user avatar
Ulrich Pennig
  • Member for 14 years, 10 months
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I am a lecturer at the School of Mathematics at Cardiff University. I am interested in algebraic topology and non-commutative geometry, especially C*- and von Neumann algebras.

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answer
67
Which mathematicians have influenced you the most?
Apr 5, 2010
answer
40
Solving algebraic problems with topology
Jun 1, 2015
question
19
What are "good" examples of string manifolds?
Nov 7, 2011
question
17
exponential functors on finite dimensional complex vector spaces
Apr 28, 2017
question
16
rationalization of classifying spaces
Mar 31, 2014
answer
16
Topological obstruction for the existence of spin$^c$ structure
Jan 13, 2017
question
16
Von Neumann algebra associated to the infinite Cuntz algebra
Aug 30, 2012
question
15
Ring structure on K-theory of a quotient of the Fermat quintic
Mar 4, 2018
question
15
automorphisms of C*-algebras and partial isometries
Jul 29, 2013
question
15
Reshetikhin-Turaev as a 3-2-1-theory
Jan 19, 2012