homotopy theory, (∞,1)-category theory, homotopy type theory
flavors: stable, equivariant, rational, p-adic, proper, geometric, cohesive, directed…
models: topological, simplicial, localic, …
see also algebraic topology
Introductions
Definitions
Paths and cylinders
Homotopy groups
Basic facts
Theorems
A square matrix is called a permutation matrix if every row and every column has all entries 0 except for precisely one entry, which has value 1 (a special case of monomial matrices).
Permutation matrices represent linear permutation representations in their canonical linear basis.
See also
Last revised on December 1, 2019 at 09:41:33. See the history of this page for a list of all contributions to it.