Formulas of Liapunov functions for systems of linear partial differential equations
Abstract
Formulas of explicit quadratic Liapunov functions for showing asymptotic stability of the system of linear partial differential equations frac(? u, ? t) = A ? u (t, x) on (0, ?) × ?, are constructed, where A is an n × n real matrix, u = (u1, u2, ..., un)T, ? is a bounded domain in Rk with smooth boundary ??, and ? denotes the Laplacian operator on Rk with ? u = (? u1, ? u2, ..., ? un)T. These formulas are also modified and applied to a number of nonautonomous linear and nonlinear systems and models in structural stability, traveling wave, and Navier-Stokes equations. © 2006 Elsevier Inc. All rights reserved.
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