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306
Answers
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votes
4
3 square theorem
Dec 30 '10 at 3:29
4
Methods for solving Pell's equation?
Dec 4 '10 at 5:57
4
Bolyai's construction
Nov 8 '10 at 1:58
4
Approximation by locally Lipschitz functions
Oct 26 '10 at 4:48
4
3 directions of infinity ?
Sep 22 '10 at 1:39
4
primes of the form $a^n+b^n$
Aug 11 '10 at 21:11
4
Mean curvature as an elliptic operator
Jul 12 '10 at 2:20
4
On Polynomials dividing Exponentials
Feb 27 '10 at 21:50
4
When is $n/\ln(n)$ close to an integer?
Jun 15 '10 at 2:05
4
Harmonic Functions
Jun 9 '10 at 18:44
4
representability of consecutive integers by a binary quadratic form
May 7 '10 at 20:51
4
Finding all roots of a polynomial
Apr 1 '10 at 4:08
3
From a (not positive definite) Gram matrix to a (Kac-Moody) Cartan matrix
Jun 6 at 3:07
3
Parametric solutions of Pell's equation
Jan 27 at 5:15
3
Every free abelian group is slender, why?
Nov 15 '14 at 18:47
3
Smoothness in Ecalle's method for fractional iterates
Sep 8 '14 at 18:09
3
Which lenses can be squared?
Dec 12 '13 at 0:19
3
Product of exponents of prime factorization
Oct 3 '13 at 22:15
3
Product of exponents of prime factorization
Oct 3 '13 at 7:35
3
Rational points on circular spirals
Sep 8 '13 at 1:07
3
“Ultracomposite” numbers
Aug 9 '13 at 21:20
3
Impossible Range for Minkowski-Like Sum of Squares
Aug 3 '13 at 1:01
3
sum of powers of divisors function
Jul 21 '13 at 4:33
3
Square Root Algorithm
Jul 8 '13 at 20:29
3
Realizing proper pure octonions as conjugates
Dec 26 '12 at 20:28
3
What fraction of n x n invertible integer matrices contain at least one unit?
Sep 15 '12 at 2:16
3
Solving PDE via Cellular Automata
Feb 5 '12 at 21:53
3
Extensions of the Koebe–Andreev–Thurston theorem to sphere packing?
Jan 13 '12 at 3:43
3
Primes of the form $x^2+ny^2+mz^2$ and congruences.
Dec 1 '11 at 21:32
3
Examples of seemingly elementary problems that are hard to solve?
Sep 17 '11 at 21:39
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