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earned this badge 22 times.
For which $k$-types are $E_{n,m}$-algebras automatically $E_{n+1}$ algebras?
Awarded Oct 18, 2019 at 19:35
An H-group that's not a loop space?
Awarded Jun 26, 2017 at 11:46
Calculation-free proof of the Weyl Integral formula for U(n)
Awarded Jul 6, 2016 at 10:31
Technical issue in the approach to Lie groups taken in a book
Awarded Jan 27, 2016 at 7:05
Nilpotence of the stable Hopf map via framed cobordism
Awarded Mar 31, 2015 at 17:50
Is there a "simplification" functor in algebraic topology?
Awarded Jan 8, 2015 at 23:13
Are the higher homotopy groups of the Hawaiian earring trivial?
Awarded Apr 20, 2014 at 4:40
Groups which are only defined up to conjugation
Awarded Mar 1, 2014 at 14:02
Does base extension reflect the property of being isomorphic?
Awarded Dec 17, 2013 at 5:12
How do you define the strict infinity groupoids in Homotopy Type Theory?
Awarded Nov 11, 2013 at 21:54
How do you define (infinity,1) categories in Homotopy Type Theory?
Awarded Oct 25, 2013 at 1:38
What's the right way to think about "anomalies" in 3d TQFTs?
Awarded Jun 11, 2013 at 20:50
Solving polynomial equations when you know in which number field the solutions live
Awarded May 24, 2013 at 16:05
Are there two groups which are categorically Morita equivalent but only one of which is simple
Awarded Dec 15, 2012 at 12:20
Highly transitive groups (without assuming the classification of finite simple groups)
Awarded Oct 28, 2011 at 15:35
Number theoretic spectral properties of random graphs
Awarded Jun 16, 2011 at 0:35
Does the quantum subgroup of quantum su_2 called E_8 have anything at all to do with the Lie algebra E_8?
Awarded May 5, 2011 at 2:20
Is the following map from Z(G) x H^3(G, C*) --> H^2(G, C*) ever nontrivial?
Awarded Jul 19, 2010 at 5:05
Does every Frobenius algebra in a monoidal *-category give a Q-system?
Awarded Jan 27, 2010 at 3:07
Why do sl(2) and so(3) correspond to different points on the Vogel plane?
Awarded Jan 18, 2010 at 5:05
Are there interesting semisimple algebras in non-semisimple categories?
Awarded Jan 13, 2010 at 13:07
Are there small examples of non-pivotal finite tensor categories?
Awarded Nov 7, 2009 at 15:54

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