homotopy theory, (∞,1)-category theory, homotopy type theory
flavors: stable, equivariant, rational, p-adic, proper, geometric, cohesive, directed…
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see also algebraic topology
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An identiy matrix is a diagonal matrix with all diagonal entries equal to the identity element of the ground ring.
The identiy matrices are the identity elements in their matrix algebra, whence the name.
See also
Created on November 9, 2019 at 11:06:32. See the history of this page for a list of all contributions to it.