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On contraction analysis for non-linear systems. (English) Zbl 0934.93034
A form of stability called “convergence” is introduced and studied by using techniques from differential geometry.
Reviewer: D.Motreanu (Iaşi)

##### MSC:
 93C10 Nonlinear systems in control theory 93D05 Lyapunov and other classical stabilities (Lagrange, Poisson, $$L^p, l^p$$, etc.) in control theory
##### Keywords:
nonlinear dynamics; nonlinear control; observers
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