current community
chat
MathOverflow
MathOverflow Meta
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Stack Exchange
Inbox
Reputation and Badges
sign up
log in
tour
help
Tour
Start here for a quick overview of the site
Help Center
Detailed answers to any questions you might have
Meta
Discuss the workings and policies of this site
MathOverflow
Questions
Tags
Users
Badges
Unanswered
Ask Question
Profile
Activity
Todd Trimble
♦
Meta User
Network Profile
Reputation
32,448
top
0.56%
overall
32.4k
22.5k
12.5k
2012
2013
2014
2015
Next tag badge:
gr.group-theory
134/100 score
18/20 answers
Badges
4
109
189
Newest
Electorate
Next badge
25/25
Electorate
Impact
~
816k
people reached
160 posts edited
29 helpful flags
2,387 votes cast
summary
answers
questions
tags
badges
favorites
bounties
reputation
all actions
84
Reviews
suggestions
reviews
revisions
comments
badges
posts
accepts
all
Dec
3
reviewed
Approve
category-o tag wiki excerpt
Nov
10
reviewed
Approve
Decomposition of a semi-definite matrix into sums of sparse semi-definite matrices
Nov
9
reviewed
Approve
solving elliptic system of first-order linear PDE's
Nov
4
reviewed
Approve
Is there a good argument for why you can't place 4 queens which cover a chessboard?
Oct
31
reviewed
Edit
Reference for and Properties of the $alpha$-entropy
Oct
16
reviewed
Approve
Linear combination of i.i.d. $Z_i$ distributed as $Z_1$
Oct
2
reviewed
Approve
Has the Fundamental Theorem of Algebra been proved using just fixed point theory?
Oct
2
reviewed
Close
Does identical scalar curvature imply isometric?
Sep
30
reviewed
Close
optimize spectral radius
Sep
30
reviewed
Close
$L^2$ convergence of a tight sequence
Sep
22
reviewed
Close
Relativization of Formulas and Models
Sep
22
reviewed
Leave Open
Help me find good math questions for my students
Sep
22
reviewed
Close
Ulam spiral coordinate system
Sep
22
reviewed
Close
What are the boundary asymptotics of harmonic symmetric transverse traceless rank-s tensors on $\mathbb{H}^n$ in the Poincare upper-half-space model?
Sep
21
reviewed
Leave Open
$k$-isogenies and $k$-subgroups of abelian varieties
Sep
20
reviewed
Close
Kernel of AB if $[A,B]=0$ and $AB\neq0$?
Sep
18
reviewed
Close
Diophantine equation - $a^4+b^4=c^4+d^4$ ($a,b,c,d > 0$)
Sep
17
reviewed
Close
Which real analytic functions of two variables locally are magnitudes of complex-analytic functions
Sep
11
reviewed
Reopen
Determining the asymptotic behavior of random matrices with vanishing ratio dimensions
Sep
11
reviewed
Close
Number of graphs with n-edges
MathOverflow works best with JavaScript enabled