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2h
answered Orbit and stabilizer
3h
comment What is the motivation for $l^p$ space?
Related: math.stackexchange.com/questions/843108/…
3h
asked What are the main differences between Tensor Products of Vector Space vs Modules vs Algebras
3h
comment Query on Tensor Product of Quaternion Algebras
Very nice answer to something that puzzled me for weeks.
3h
accepted Query on Tensor Product of Quaternion Algebras
3h
comment Query on Tensor Product of Quaternion Algebras
Thanks! I didn't know (1). Even Wikipedia (en.wikipedia.org/wiki/Tensor_product_of_algebras) doesn't mention that every element $C$ must commute with $D$!
3h
asked Query on Tensor Product of Quaternion Algebras
6h
revised Tensor product (confusing question)
added 10 characters in body
7h
comment Tensor product (confusing question)
Upvoted, thanks. I changed the question to $ST$ a basis, sorry for the typo.
7h
revised Tensor product (confusing question)
added 27 characters in body
7h
asked Tensor product (confusing question)
7h
comment When is tensor product isomorphic to product?
Thanks for your excellent answer!
7h
accepted When is tensor product isomorphic to product?
9h
asked When is tensor product isomorphic to product?
10h
comment My formula for sum of consecutive squares series?
It is interesting
10h
awarded  Peer Pressure
12h
answered bounded but not convergent sequences
13h
comment Does there exist $P$ such that $PP^{\dagger}=\left(\begin{array}{cc} I & 0\\ 0 & -I \end{array}\right)$?
Are complex number entries allowed?
1d
accepted Representation/Character theory of $S_3$: What is the Vector space $V$?
1d
revised Representation/Character theory of $S_3$: What is the Vector space $V$?
edited body; edited title