Palavra-chave: BASIS OF IDENTITIES

GRADINGS ON THE MATRIX ALGEBRA OF ORDER TWO FINITE RINGS GRADED IDENTITIES POLYNOMIAL IDENTITIES PI EQUIVALENCE TENSOR PRODUCT THEOREMS INVOLUTIONS * IDENTITIES UPPER TRIANGULAR MATRICES SERIES DE HILBERT CODIMENSIONS T-SPACE CENTRAL POLYNOMIALS GRADED LIE ALGEBRAS GRADED T-IDEALS GRADED POLYNOMIAL IDENTITIES