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Mathematics
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LSt
  • Member for 11 years, 3 months
  • Last seen more than a week ago
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Top posts
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8
Show that $|\rm{Aut}(G)|=48$ for the cube graph
Jun 30
7
Why is the image of a compact operator separable?
Jan 28, 2014
4
Question concerning a minimal faithful left ideal in an artin algebra
Jul 6, 2015
3
Question concerning the meaning of an equality sign in a commutative diagram
Sep 11, 2014
3
If the $p$-core of a finite group $G$ is trivial, what can be deduced from that about $G$
Jul 3, 2020
3
Cohomology groups of the dihedral groups with coefficients in its cyclic subgroup of index $2$
Jun 25, 2021
2
Prove that certain elements are not in some ideal
May 27, 2013
2
Short proof of the coincidence of left dom.dim., right dom.dim. and relative dom.dim. for semi-primary left QF-3 rings?
Jul 12, 2015
2
Two finite groups are isomorphic if and only if their group algebras are isomorphic as Hopf algebras
Mar 18, 2020
2
Why is every Sylow $p$-subgroup $p$-centric, i.e. why is $Z(P)$ a Sylow $p$-subgroup of $C_G(P)$, if $P$ is a Sylow $p$-subgroup of a finite grp. $G$?
Jul 7, 2021
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7
Does the choice of the algebraically closed field of characteristic $p$ have influence on the module category?