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Top Questions
7
votes
How do basic results in representation theory change going to positive characteristic fields and/or not algebraically closed?
finite-groups
representation-theory
abelian-groups
asked Apr 23, 2019 at 8:12
math.stackexchange.com
7
votes
What is the dimension of the span over $\mathbb{F}$ of permutation matrices on $n$ elements if $char(\mathbb{F})$ divides $n$?
linear-algebra
combinatorics
matrices
representation-theory
permutation-matrices
asked Aug 29, 2019 at 14:00
math.stackexchange.com
5
votes
Basis for span of tensor power of permutation matrices?
linear-algebra
abstract-algebra
matrices
representation-theory
permutation-matrices
asked Dec 12, 2019 at 16:37
math.stackexchange.com
5
votes
Do two similar boolean matrices have same number of non-zero entries?
combinatorics
matrices
graph-theory
coherent-rings
asked Jan 1, 2018 at 16:06
math.stackexchange.com
5
votes
Decomposition of tensor product of permutation representation of $S_n$.
combinatorics
representation-theory
symmetric-groups
asked Apr 10, 2019 at 9:22
math.stackexchange.com
Top Answers
5
Definite Parity of Solutions to a Schrödinger Equation with even Potential?
physics.stackexchange.com