- positive semidefiniteness
- мат. положительная полуопределенность
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Positive-definite matrix — In linear algebra, a positive definite matrix is a matrix that in many ways is analogous to a positive real number. The notion is closely related to a positive definite symmetric bilinear form (or a sesquilinear form in the complex case). The… … Wikipedia
Semisimple algebra — In ring theory, a semisimple algebra is an associative algebra which has trivial Jacobson radical (that is only the zero element of the algebra is in the Jacobson radical). If the algebra is finite dimensional this is equivalent to saying that it … Wikipedia
GENERIC formalism — In non equilibrium thermodynamics, GENERIC is an acronym for General Equation for Non Equilibrium Reversible Irreversible Coupling. It is the general form of dynamic equation for a system with both reversible and irreversible dynamics (generated… … Wikipedia
PSD — can stand for: NOTOC Politics* Social Democratic Party, a political party of Portugal * Social Democratic Party, a political party of Romania * Social Democratic Party, a political party of Benin * Socialist Destourian Party, the old name (to… … Wikipedia