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Jan
14
comment Origin of the notation for statistical divergence
Sure, but why not use the notation D(P, Q), which is, you know, the default notation for a binary function?
Jan
12
awarded  Promoter
Jan
2
asked Origin of the notation for statistical divergence
Nov
8
awarded  Popular Question
Jul
2
awarded  Curious
Apr
27
awarded  Yearling
Mar
21
awarded  Popular Question
Feb
9
accepted How many finite groups (up to isomorphism) are abelian?
Feb
7
comment How many finite groups (up to isomorphism) are abelian?
user58512 is right.
Feb
7
asked How many finite groups (up to isomorphism) are abelian?
Dec
1
asked QR decomposition of column swapped matrix
Aug
7
accepted Generalization of metric spaces
Aug
6
awarded  Commentator
Aug
6
comment Generalization of metric spaces
Not sure if I asked the question properly. Basically I'm wondering whether spaces where non-negativity and the "identity of indiscernibles" don't hold (of which subtraction of real numbers is an example) have been studied or are worth studying at all.
Aug
6
comment Generalization of metric spaces
$d(x,y) = 0$ iff $x = y$ would still work. I am unsure if an analog to the triangle inequality would work.
Aug
6
asked Generalization of metric spaces
Jul
23
accepted Difference between “space” and “algebraic structure”
Jul
23
awarded  Nice Question
Jul
23
awarded  Yearling
Jul
23
accepted Is every set a subset?