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IMI/Publicaţii/BASM/Ediţii/BASM n.1 (62), 2010/

About characteristics of graded algebras S1,4 and SI1,4.

Authors: N. Gherstega, Popa Mihail, Pricop Victor

Abstract

Hilbert series for the graded algebras of comitants S1,4 and invariants SI1,4 of differential system are constructed and with their help the Krull dimensions of these algebras are determined. The lower bounds for the number of the types of generators for the algebras S1,4 and SI1,4 are obtained.

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