Titlebook: Algebraic Methods in Nonlinear Perturbation Theory; V. N. Bogaevski,A. Povzner Book 1991 Springer-Verlag New York, Inc. 1991 algebra.appli

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Hydrothermal PMS and Related DepositsBelow we generalize the above formalism to make it applicable to equations in partial derivatives.

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Systems of Ordinary Differential Equations with a Small Parameter,In this chapter we construct an analogue of the matrix perturbation theory for systems of the form . where . ., or, in vector notation, ..

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Reconstruction,In various problems we must employ variable transformations degenerate at e ε = 0. One such example is the case of a nilpotent . considered in Sections 1.5 and 2.5, where a special (shearing) transformation reconstructs . so that another operator, different from ., becomes the leading one.

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Algebraic Methods in Nonlinear Perturbation Theory

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