Skip to main content
MathOverflow
David Gao's user avatar
David Gao's user avatar
David Gao's user avatar
David Gao
  • Member for 2 years, 7 months
  • Last seen this week
Profile Activity

Stats

5,085
reputation
38k
reached
74
answers
25
questions
Communities

About

I'm a PhD student at UCSD. My research area is mainly in von Neumann algebras, especially tracial von Neumann algebras.

Badges

View all badges
1
gold badge
12
silver badges
38
bronze badges

Top tags

View all tags
133
Score
41
Posts
41
Posts %
122
Score
35
Posts
35
Posts %
63
Score
19
Posts
19
Posts %
61
Score
15
Posts
15
Posts %
45
Score
13
Posts
13
Posts %
38
Score
13
Posts
13
Posts %

Top posts

View all questions and answers
question
19
Which cardinals are definable in the category of sets?
Jan 31
answer
14
A possible spectral characterization of commutative $C^*$ algebras
Sep 8, 2024
question
13
Almost everywhere “filling” of the continuum by the first uncountable cardinal without CH
May 18, 2023
question
13
If $A, B$ is a non-trivial partition of $S^1$, is it possible that $R_\theta(A) \cap B$ has measure zero for all rotations $R_\theta$?
May 31, 2023
answer
13
Whether an isotone bijection from a power set lattice to another sends singletons to singletons
Aug 4, 2024
question
10
Comparison between the operator norm and the $L^1$ norm on group algebras
Nov 5, 2023
answer
9
Which sets are "persistently measurable"
Nov 3
answer
9
von Neumann subalgebra having separable predual
Oct 24, 2023
answer
8
Well known theorems that have not been proved
Nov 23
question
8
*-homomorphisms from $L^\infty(0, 1)$ to itself that acts as the identity on continuous functions
May 31, 2023

Top network posts

View all network posts
62
Why is there not a test for diagonalizability of a matrix
53
Can a non-trivial continuous function "undo" the discontinuities of another function?
19
Understanding ZFC
16
Problem about showing a space is Hausdorff
13
Can Well Ordering Theorem Be Proved Without the Axiom of Power Set?