ARupinski

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Name ARupinski
Member for 2 years
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Location Birmingham AL
Age 29
Doctorate in Math from U. of Pennsylvania, specializing in Linear Algebra and Representation Theory.
24

Questions
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Understanding “infinite” relations in groups

mar 19 11 at 18:23 Greg Kuperberg 36.3k●2●116●179

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Does this poset have a unique minimal element?

jan 17 at 22:47 Pietro Majer 19.7k●1●24●69

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Philosophical Question related to Largest Known Primes

apr 26 11 at 19:47 Ryan Reich 3,951●1●9●25

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34

Answers
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18
What would you want on a Lie theory cheat poster? (4)
18
Examples of seemingly elementary problems that are hard to solve?
12
A Linear Algebra Question
11
How can I write down polynomial relations that define when a polynomial is a square?
10
Decompose tensor product of type $G_2$ Lie algebras.
8
Bivariate polynomials with special properties
7
A decomposition of the “spin representation” of SL(2)
6
free group of finite rank can contain free groups of infinite rank as a subgroup
5
$n$-in-a-row game on $\mathbb{R}^2$
5
Partitions of an interval
5
Laurent polynomials with constant term of their $(p-1)$-st power congruent to one modulo $p$
5
Invariant space of lifted Chevalley automorphisms of the tensor algebra
4
Graphs Embedded on Fractals
4
Automorphism of finite groups and Hurwitz spaces
3
Multiplying functions on the unit square as generalized matrices
3
The first eigenvalue of a graph - what does it reflect?
3
How to decompose a composition of representations?
3
Decidability of tiling R^2
3
Constructions unique up to non-unique isomorphism
2
Can an integer or rational sequence satisfy some bounded order recurrence $\mod \ $ almost all primes but doesn’t satisfy such in $\mathbb{Q}$?
2
eigenspace of sum of a non-symmetric matrix and its transpose
2
Symmetric matrices as a module over the skewsymmetric ones
2
Lattice-cube minimal blocking sets
2
Minimal blocking objects with shadows like a cube
2
Induction from cyclic / Sylow subgroup are there any nice properties ?
2
A simple question about the center of a finite group
1
Does every bipartite graph with 512 edges have an induced subgraph with 256 edges?
1
Edge-coloring of the complete graph without any rainbow paths
1
Subwords of cube-free binary words
1
Simple question in the representation of SL(2,C)
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