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Results tagged with co.combinatorics
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user 40839
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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Invariant subspaces of permutation matrix [closed]
Let $\sigma$ be a permutation matrix of order $n$. What are all the invariant subspaces of $\sigma$?
(I can only find 1 and n-1 dimensional subspaces)
Thanks in advance.
- 31