. . . . . . "Categorical trace"@en . . . . . . . . . . . . . . . . . . . . . . . . . . "3242"^^ . . . "62338906"^^ . "In category theory, a branch of mathematics, the categorical trace is a generalization of the trace of a matrix."@en . "In category theory, a branch of mathematics, the categorical trace is a generalization of the trace of a matrix."@en . . . "1084350418"^^ . . .