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earned this badge 52 times.
Maximal order of elements in SL(n,q)
Awarded Apr 19, 2023 at 17:40
Surface of a Ideal Tetrahedron in Hyperbolic Space H3
Awarded Feb 10, 2023 at 17:55
recognition of symmetric groups in GAP
Awarded Dec 20, 2020 at 12:48
When does a row standardized adjacency matrix have a real spectrum?
Awarded Dec 20, 2020 at 12:48
distribution of $\{na\}$ when $a$ is irrational number
Awarded Jul 23, 2019 at 16:45
A complete surface with $K\to -\infty$
Awarded Sep 18, 2018 at 14:15
Let $f \in \mathbb{Z}[x]$. Does $\bar{f}$ have as many roots in $\mathbb{F}_p$ as $f$ has in $\mathbb{C}$ for infinitely many primes $p$?
Awarded Apr 29, 2018 at 6:13
Which affiliation to use when publishing, when invited professor at second university
Awarded Apr 5, 2018 at 23:09
Does Helly's theorem hold in the hyperbolic plane?
Awarded Feb 3, 2018 at 19:01
Do almost all systems of quadratic equations have solutions?
Awarded Dec 18, 2017 at 20:36
A manifold is a homotopy type and _what_ extra structure?
Awarded Aug 22, 2017 at 13:36
Solving a quadratic matrix equation
Awarded Apr 8, 2017 at 18:45
Why do people study curve shortening flows?
Awarded Apr 5, 2017 at 18:41
Is Teichmüller distance bigger than Weil-Petersson distance on Teichmüller space?
Awarded Jan 25, 2017 at 17:15
Dilogarithm, tetrahedrons, and hyperbolic space
Awarded Jan 25, 2017 at 17:15
Nonnegativity conditions for a polynomial in two variables?
Awarded Jan 25, 2017 at 17:15
Could the Riemann zeta function be a solution for a known differential equation?
Awarded Jan 23, 2017 at 21:58
Unusual symmetries of the Cayley-Menger determinant for the volume of tetrahedra
Awarded Jan 16, 2017 at 3:19
Relatively concise English expositions of the proofs of the various Weil conjectures
Awarded Sep 18, 2016 at 18:39
How are eigenvalues and eigenvectors affected by adding the all-ones matrix?
Awarded Jul 7, 2016 at 18:59
How to compute $\sum_{x \in \mathbb{Z}^n} e^{-x^TMx}$ efficiently
Awarded Mar 21, 2016 at 10:08
Random links and $3$-manifolds
Awarded Feb 10, 2016 at 12:55
Frucht's type theorem for Riemann surface
Awarded Nov 22, 2015 at 7:20
Christmas giftgiving
Awarded Sep 8, 2015 at 19:11
Does every group grow either polynomially or superpolynomially?
Awarded Sep 8, 2015 at 19:11
Probability in the Primes
Awarded Sep 3, 2015 at 10:53
Is a compact, connected, orientable 3-manifold with $\mathbb{Z}^K$ fundemental group uniquely determined?
Awarded Sep 2, 2015 at 19:06
Homeomorphism of closed manifold
Awarded Sep 2, 2015 at 19:06
What is known about Ulam's problem of metric spaces with isometric squares?
Awarded Sep 2, 2015 at 19:06
Continued Fractions from Digit Streams
Awarded Aug 27, 2015 at 4:44
Are there congruence subgroups other than $\operatorname{SL}_2(\mathbb Z)$ with exactly 1 cusp?
Awarded Jul 23, 2015 at 16:52
Stability of the Solar System
Awarded Jul 6, 2015 at 10:52
An algorithm for Poincare recurrence time
Awarded May 17, 2015 at 16:13
Functions holomorphic on a region minus a Cantor set
Awarded May 17, 2015 at 16:13
is there a diffeomorphism with only finite orbits but of infinite order?
Awarded May 16, 2015 at 13:59
Nonperiodic points of homeomorphisms of a ball
Awarded Dec 30, 2014 at 0:32
Are there any fake 3-tori?
Awarded Jul 6, 2014 at 20:25
Did Milnor and Thurston write anything else about characteristic numbers for 3-manifolds?
Awarded Jun 22, 2014 at 11:11
About a solid which satisfies $\sum_{i=1}^{n}x_i=0, |x_i|\le1\ (i=1,2,\cdots,n)$
Awarded Feb 18, 2014 at 4:38
Algorithm for image of a free group homomorphism
Awarded Jan 6, 2014 at 19:21
certain trigonometric homeomorphisms
Awarded Jul 23, 2013 at 18:28
is complex moduli space of a Calabi - Yau Kahler
Awarded Oct 10, 2012 at 21:35
Is this 1974 claim still valid?
Awarded Sep 2, 2012 at 22:05
"homotopy sphere" assumption in Poincare Conjecture
Awarded Aug 29, 2012 at 16:20
Shape of snowflakes
Awarded Jul 23, 2012 at 4:50
Extreme points of a set of probability measures
Awarded Jun 13, 2012 at 11:50
Are Gaussian Processes more important than other stochastic processes?
Awarded May 22, 2012 at 10:50
Which closed orientable $4$-dimensional manifolds cannot be embedded in $6$-space?
Awarded Mar 14, 2012 at 15:50
Segments of Voronoi Diagrams on smooth manifolds. Are they geodesics?
Awarded Mar 11, 2012 at 12:20
When is P(x)-Q(y) irreducible?
Awarded Jan 13, 2012 at 4:20
Is $\partial X$ a sphere for $X$ a complete CAT$(0)$ space?
Awarded Dec 11, 2011 at 13:35
Does every smoothly embedded surface $\mathbb{R}^3$ inherit a natural complex structure, and if so, which one?
Awarded Feb 6, 2011 at 1:05

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