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IMI/Publicaţii/BASM/Ediţii/BASM n.2 (33), 2000/

Invariant conditions for dimensions of $GL(2,R)$-orbits for quadratic differential system. (English)

Authors: Boularas D., Braicov A. V., Popa Mihail

Abstract

Conditions on the dimension of $GL(2,R)$-orbits for the differential system with quadratic omogeneities through center-affine invariants and comitants are obtained.

Institute of Mathematics and Computer Science
Academy of Sciences of Moldova
str. Academiei 5, MD-2028 Chisinau, Moldova
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