ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Map
Countable map
Array
Matrix
Matrix transpose
Symmetric matrix
Definition D2098
Matrix quadratic form
Children
Positive semidefinite complex matrix
Zero definite complex matrix
Results
Expression for quadratic form of real square matrix in terms of symmetric part