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 Feb 3 comment A special case of the boolean multivariate quadratic polynomial problem This was answered at: cstheory.stackexchange.com/questions/33698/…. Feb 1 asked A special case of the boolean multivariate quadratic polynomial problem Nov 20 awarded Notable Question Nov 10 accepted Algebraic Topology Challenge: Homology of an Infinite Wedge of Spheres Jun 5 awarded Yearling May 13 awarded Tumbleweed May 6 asked Normalizers of subgroups of simple tensors May 1 asked Stabilizers of Segre varieties Apr 29 answered For any element $g$ of $G,$ where $g$ has order $2,$ define $gH=\{gh│h∈H\}$. Prove that the set $K=H∪gH$ is a subgroup of $G.$ Apr 28 asked Can the following simple tensor preserving map exist? Apr 27 comment Maps that preserve tensor rank This seems helpful! I'll have to work out what conjugation looks like as left multiplication, but thank you! Apr 26 awarded Custodian Apr 26 reviewed Approve Maps that preserve tensor rank Apr 26 asked Maps that preserve tensor rank Mar 22 accepted Normal Subgroups of $SU(n)$ Mar 22 comment Normal Subgroups of $SU(n)$ Thanks! These types of standard results in Lie groups/algebras always seem to answer my questions. Do you have a recommendation for a good textbook to learn Lie groups and Lie algebras side by side? Let's say at an early graduate level. Mar 22 comment Normal Subgroups of $SU(n)$ Good point! In fact, now that I think about it, $SU(n)$ likely has no normal subgroups at all! Other than those in the center of course. Mar 22 revised Normal Subgroups of $SU(n)$ deleted 15 characters in body Mar 22 asked Normal Subgroups of $SU(n)$ Aug 21 awarded Nice Question