International Journal of Mathematics and Mathematical Sciences
Volume 14 (1991), Issue 1, Pages 99-110
doi:10.1155/S0161171291000108
Abstract
The system x′=Ax+f(x) of nonlinear vector differential equations, where
the nonlinear term f(x) is quadratic with orthogonality property xTf(x)=0 for all x, is
point-dissipative if uTAu<0 for all nontrivial zeros u of f(x).