Mathematics
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Ruy
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All Questions Answers
Score Newest
answer
39
Basis-free, field-independent definition of determinants?
Jun 19
answer
14
Intuition behind Pontryagin duality
Feb 15, 2021
answer
11
Do unique $n^{th}$ roots commute in groups?
Jun 19
answer
9
How can I reconcile cardinality and and subsets in Set Theory?
May 24
question
8
Does left-multiplication by compact operators turn strong-convergence into norm-convergence?
Dec 4, 2020
answer
8
Convergence of $\sum_{n}\frac{q_n}{n}$, where $(q_n)$ enumerates $\mathbb{Q}\cap[0,1]$?
Sep 25, 2020
answer
7
If an element in a Banach algebra is anihilated by an analytic function then it must be algebraic.
May 16
answer
7
Basic Confusion on Push-Forward of a Measure
Sep 21, 2020
question
6
Existence of bases for $L^2(X,\mu )$ with special properties.
Feb 22
question
6
If an element in a Banach algebra is anihilated by an analytic function then it must be algebraic.
May 16
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51
Short exact sequences every mathematician should know
19
Emacs Org-mode - Export to another directory?
12
Non-commutative duality I: Which C*-algebras are (isomorphic to a) convolution algebra?
10
What is the convex hull of the quaternionic symmetries of the 3 dimensional cube?
9
Do extensions of pure states separate points?

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