Ulrich Pennig

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Name Ulrich Pennig
Member for 3 years
Seen 2 hours ago
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Location Münster
Age
39

Questions
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8

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13
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423
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Units of MO and MU

mar 29 at 0:52 Peter May 12.1k●1●38●54

6
11
votes
2
answers
664
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Twists of K-theory and tmf

feb 4 12 at 15:54 Thomas Nikolaus 886●1●4●8

3

4
10
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1
answer
319
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BU with tensor product H-space structure

mar 5 10 at 16:04 Steve Huntsman 8,139●1●22●56

3

5

2
9
votes
0
answers
350
views

Two constructions for BU×Z

dec 14 11 at 8:52 Ulrich Pennig 3,147●1●7●13

6
8
votes
1
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402
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Eckmann-Hilton for $A_{\infty}$-spaces?

oct 29 11 at 5:31 Tyler Lawson 18.7k●2●44●90

3

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25

Answers
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47
Which mathematicians have influenced you the most?
9
Can you have a spherical plane?
9
A variant of the Stone-Weierstrass theorem?
8
What can you do with a compact moduli space?
8
Why torsion is important in (co)homology ?
5
Finite projection in Von Neumann algebra
5
Local cross sections for Unitary group in a hilbert space
5
Morphisms between $K_0$
4
How to classify von Neumann algebra bundles?
4
Do subalgebras of C(X) admit a description in terms of the compact Hausdorff space X?
4
Operator Theoretical Models for $(K(\mathbb{Z}, 3)$
4
Bounded and weakly bounded sets in top. vector spaces
3
k_0 group for $M(J\otimes K)=0$
3
Murray-von Neumann classification of local algebras in Haag-Kastler QFT
3
Questions about special $C^*$-subalgebras and ideals.
3
When is a classifying space a topological manifold?
2
Galois cover via C star algebras
2
topological monoid from symmetric monoidal category
2
Endomorphism of type III factor: can it satisfy $\phi\circ\phi = \phi\oplus\phi$?
2
Stabilization in Banach algebras
1
Bibliography for topologies defined by a family of seminorms
1
Index of elliptic operators III: H-structure invariant under a group G
0
Baum-Connes-like “conjecture” for $l^p$-spaces
0
When can we cancel vector bundles from tensor products?
0
List of Classifying Spaces and Covers

 

203

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47

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