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BS.
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All Questions Answers
Score Newest
answer
44
Computational complexity of computing homotopy groups of spheres
Jul 8, 2010
answer
31
connectivity of the group of orientation-preserving homeomorphisms of the sphere
Sep 25, 2010
answer
29
Vanishing of Euler class
Jul 11, 2010
answer
26
Examples of non-diffeomorphic smooth manifolds with diffeomorphic tangent bundle
Jul 13, 2010
answer
24
Conformal embedding of Riemann surfaces into 3-space
Feb 1, 2011
answer
23
A property of the unit circle
Aug 3, 2013
answer
20
Is the boundary $\partial S$ analogous to a derivative?
Nov 16, 2010
answer
20
Without choice, can every homomorphism from a profinite group to a finite group be continuous?
Sep 3, 2012
question
19
Non-split extensions of $GL_n(F_q)$ by $F_q^n$ ?
Jun 24, 2010
answer
19
Topologies on the field of rationals
Sep 5, 2012

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