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 Yearling
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Feb
7
comment $G$ is a finite group, if $ab^{-1}=ba^{-1}$ and $n$ is odd, then $a=b$
Hint: Lagrange's theorem.
Dec
13
awarded  Yearling
Nov
11
asked Measure of vanishing set for BV function
Nov
8
comment Inequality $|ab|+1\leq |ab-b| + |b-1|$ for real numbers $a,b$
This inequality is false. Take $a = b = 1$.
Oct
1
comment Subgroup generated by specific simple transpositions
Sorry. W_i = W_{ \{i \} } and so on. The subscripts denote sets.
Oct
1
asked Subgroup generated by specific simple transpositions
Aug
23
accepted The space of homeomorphisms of the closed unit interval
Aug
23
asked Closure of Schubert cell is the Schubert variety
Aug
16
revised The space of homeomorphisms of the closed unit interval
edited title
Aug
16
asked The space of homeomorphisms of the closed unit interval
Jun
23
revised Example: Krull dimension 1 but not a PID
correction
Jun
23
accepted Example: Krull dimension 1 but not a PID
Jun
22
awarded  Inquisitive
Jun
22
asked Example: Krull dimension 1 but not a PID
Jun
15
accepted Path components of quotient space
Jun
14
comment Path components of quotient space
Mmm, as you say, one direction is clear... the other is more interesting.
Jun
14
asked Path components of quotient space
May
11
comment Identity of tensor products over an algebra
This answer sounds promising. Can you please elaborate upon it? It seems like you're appealing to certain universal properties I might not be familiar with.
May
11
comment Identity of tensor products over an algebra
Yes, sorry I forgot to mention that.
May
11
revised Identity of tensor products over an algebra
added 1 character in body