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location the virgo supercluster
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visits member for 3 years, 7 months
seen Jul 27 at 19:50

Dec
23
revised Prove the determinants of these related matrices are zero.
added 158 characters in body
Nov
17
revised Can the symmetric group $S_n$ be imbedded as a subgroup in $A_{2n+1}$?
edited title
Nov
17
revised Can the symmetric group $S_n$ be imbedded as a subgroup in $A_{2n+1}$?
edited title