Qualitative Theory of Parabolic Equations, Part 1 PDF Download

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Qualitative Theory of Parabolic Equations, Part 1

Qualitative Theory of Parabolic Equations, Part 1 PDF Author: T. I. Zelenyak
Publisher: Walter de Gruyter
ISBN: 311093504X
Category : Mathematics
Languages : en
Pages : 425

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Book Description
In the qualitative theory of ordinary differential equations, the Liapunov method plays a fundamental role. To use their analogs for the analysis of stability of solutions to parabolic, hyperparabolic, and other nonclassical equations and systems, time-invariant a priori estimates have to be devised for solutions. In this publication only parabolic problems are considered. Here lie, mainly, the problems which have been investigated most thoroughly --- the construction of Liapunov functionals which naturally generalize Liapunov functions for nonlinear parabolic equations of the second order with one spatial variable. The authors establish stabilizing solutions theorems, and the necessary and sufficient conditions of general and asymptotic stability of stationary solutions, including the so-called critical case. Attraction domains for stable solutions of mixed problems for these equations are described. Furthermore, estimates for the number of stationary solutions are obtained.