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This monograph looks at several trends in the investigation of singular solutions of nonlinear elliptic and parabolic equations. It discusses results on the existence and properties of weak and entropy solutions for elliptic second-order equations and some classes of fourth-order equations with L1-data and questions on the removability of singularities of solutions to elliptic and parabolic second-order equations in divergence form. It looks at localized and nonlocalized singularly peaking boundary regimes for different classes of quasilinear parabolic second- and high-order equations in divergence form.
The book will be useful for researchers and post-graduate students that specialize in the field of the theory of partial differential equations and nonlinear analysis.
Contents:
Foreword
Part I: Nonlinear elliptic equations with L^1-data
Nonlinear elliptic equations of the second order with L^1-data
Nonlinear equations of the fourth order with strengthened coercivity and L^1-data
Part II: Removability of singularities of the solutions of quasilinear elliptic and parabolic equations of the second order
Removability of singularities of the solutions of quasilinear elliptic equations
Removability of singularities of the solutions of quasilinear parabolic equations
Quasilinear elliptic equations with coefficients from the Kato class
Part III: Boundary regimes with peaking for quasilinear parabolic equations
Energy methods for the investigation of localized regimes with peaking for parabolic second-order equations
Method of functional inequalities in peaking regimes for parabolic equations of higher orders
Nonlocalized regimes with singular peaking
Appendix: Formulations and proofs of the auxiliary results
Bibliography
About the author
Alexander A. Kovalevsky, Igor I. Skrypnik, and Andrey E. Shishkov, National Academy of Sciences of Ukraine, Donetsk, Ukraine.
