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
About Us
Learn more about Stack Overflow the company
Business
Learn more about hiring developers or posting ads with us
MathOverflow
Questions
Tags
Users
Badges
Unanswered
Ask Question
Profile
Activity
Will Jagy
Meta User
Network Profile
Reputation
16,366
16.4k
12.9k
9.5k
2013
2014
2015
2016
Top tag
nt.number-theory
Next privilege
20,000 Rep.
Access 'trusted user' tools
Badges
1
43
88
Newest
Nice Answer
Next badge
50/100
Socratic
Impact
~
537k
people reached
92 posts edited
86 helpful flags
109 votes cast
summary
answers
questions
tags
badges
favorites
bounties
reputation
all actions
313
Answers
newest
activity
votes
1
a family of Pellian equations
Mar 12 at 19:26
2
A lower bound involving the divisor function and primorial numbers
Feb 24 at 20:12
2
Integral quaternary forms and theta functions
Feb 21 at 21:22
2
Integral quaternary forms and theta functions
Feb 21 at 20:10
4
Indefinite Ternary Forms with Square Discriminant
Dec 12 '15 at 21:09
0
Fricke Klein method for isotropic ternary quadratic forms
Dec 10 '15 at 23:18
0
Fricke Klein method for isotropic ternary quadratic forms
Dec 10 '15 at 23:04
4
Does the equation $241+2^{2s+1}=m^2$ have a solution?
Sep 27 '15 at 22:38
1
Finding the square root of a special matrix
Jun 14 '15 at 4:47
0
From a (not positive definite) Gram matrix to a (Kac-Moody) Cartan matrix
Jun 11 '15 at 3:19
-1
From a (not positive definite) Gram matrix to a (Kac-Moody) Cartan matrix
Jun 6 '15 at 19:51
3
From a (not positive definite) Gram matrix to a (Kac-Moody) Cartan matrix
Jun 6 '15 at 3:07
2
From a (not positive definite) Gram matrix to a (Kac-Moody) Cartan matrix
Jun 5 '15 at 23:15
0
Isotropic ternary forms
Jun 4 '15 at 19:24
0
Isotropic ternary forms
Jun 4 '15 at 3:52
0
Isotropic ternary forms
Jun 3 '15 at 16:38
6
Averages over integer points of the sphere
Mar 6 '15 at 16:46
3
Parametric solutions of Pell's equation
Jan 27 '15 at 5:15
1
Reference request: minimal (maximal) Lorentzian surfaces in $\mathbb{R}^{1,2}$
Jan 5 '15 at 19:17
2
The Praying Eyes theorem generalized
Dec 30 '14 at 3:11
3
Every free abelian group is slender, why?
Nov 15 '14 at 18:47
6
Is there a formula that can predict the primes in the sequence of ratios of consecutive superior highly composite numbers? : $2, 3, 2, 5, 2, 3, 7,…$
Oct 27 '14 at 19:24
36
Why do roots of polynomials tend to have absolute value close to 1?
Oct 5 '14 at 18:40
2
Constructing sums of squares identities
Sep 22 '14 at 18:50
0
What do you call a fixed point theorem for a mapping from a subset of a space to the whole space?
Sep 21 '14 at 23:00
1
The maximum of the preimage of [1,x] through Euler's totient function
Sep 9 '14 at 17:30
2
$L^p$ norm means
Sep 9 '14 at 1:34
5
Smoothness in Ecalle's method for fractional iterates
Sep 8 '14 at 18:09
14
Is there a straightedge and compass construction of incommensurables in the hyperbolic plane?
Sep 2 '14 at 19:33
9
For integers $a \ge b > 1$ is $f(a,b) = a^b + b^a$ injective?
Aug 14 '14 at 21:02
MathOverflow works best with JavaScript enabled