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Xiaolei Wu

Berlin, Germany

https://wuxiaolei.wordpress.com/

I am a postdoc fellow at Bielefeld. I am interested in all sorts of questions related to (infinite) groups.

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Top Questions
21 votes

Is every locally connected subset of Euclidean space R^n locally path connected ?

gn.general-topology asked Nov 20, 2010 at 16:28
mathoverflow.net

16 votes

Can anyone explain to me what is an assembly map?

kt.k-theory-homology algebraic-k-theory at.algebraic-topology asked Mar 2, 2012 at 4:20
mathoverflow.net

16 votes

Smooth structures on the connected sum of a manifold with an Exotic sphere

differential-topology at.algebraic-topology surgery-theory smooth-manifolds asked Dec 8, 2010 at 23:45
mathoverflow.net

15 votes

Is it true that all real projective space $RP^n$ can not be smoothly embedded in $R^{n+1}$ for n >1

at.algebraic-topology differential-topology cohomology homology characteristic-classes asked May 10, 2012 at 15:53
mathoverflow.net

13 votes

Kernel of linear representation of Baumslag-Solitar group

gr.group-theory combinatorial-group-theor asked Nov 13, 2012 at 21:39
mathoverflow.net

11 votes

CAT(0) groups that does not act on CAT(0) cubical complex

gr.group-theory gt.geometric-topology mg.metric-geometry geometric-group-theory alexandrov-geometry asked Sep 26, 2014 at 12:28
mathoverflow.net

9 votes

When does a CAT(0) group contain a rank one isometry

gr.group-theory geometric-group-theory non-positive-curvature asked May 2, 2016 at 12:51
mathoverflow.net

9 votes

How to prove the connected sum of two closed aspherical n-manfolds (n >2) is not asperical?

gt.geometric-topology at.algebraic-topology asked Nov 21, 2010 at 22:35
mathoverflow.net

8 votes

whitehead group of product of groups

algebraic-k-theory kt.k-theory-homology asked Mar 20, 2012 at 21:32
mathoverflow.net

5 votes

Prime ideals in the ring of algebraic integers

nt.number-theory ac.commutative-algebra algebraic-number-theory dedekind-domains asked Jul 27, 2013 at 19:44
mathoverflow.net

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Top Answers