The Oblique Derivative Problem of Potential Theory (Monographs in Contemporary Mathematics) - Hardcover

Yanushauskas, A.T.

Hardcover

ISBN 10: 0306110237 ISBN 13: 9780306110238

Publisher: Kluwer Academic / Plenum Publishers, 1989

Synopsis

An important part of the theory of partial differential equations is the theory of boundary problems for elliptic equations and systems of equations. Among such problems those of greatest interest are the so-called non-Fredholm boundary prob­ lems, whose investigation reduces, as a rule, to the study of singular integral equa­ tions, where the Fredholm alternative is violated for these problems. Thanks to de­ velopments in the theory of one-dimensional singular integral equations [28, 29], boundary problems for elliptic equations with two independent variables have been completely studied at the present time [13, 29], which cannot be said about bound­ ary problems for elliptic equations with many independent variables. A number of important questions in this area have not yet been solved, since one does not have sufficiently general methods for investigating them. Among the boundary problems of great interest is the oblique derivative problem for harmonic functions, which can be formulated as follows: In a domain D with sufficiently smooth boundary r find a harmonic function u(X) which, on r, satisfies the condition n n ~ au ~ . . . :;. . ai (X) ax. = f (X), . . . :;. . [ai (X)]2 = 1, i=l t i=l where aI, . . . , an,fare sufficiently smooth functions defined on r. Obviously the left side of the boundary condition is the derivative of the function u(X) in the direction of the vector P(X) with components al (X), . . . , an(X).

About this title

Synopsis

English translation of a recent Russian monograph which provides expert readers with review of aspects of the theory of integral equations which result from potential problems with "odd" boundary conditions. Five chapters, neat typography, essential references. (NW) Annotation copyright Book News, Inc. Portland, Or.

Edition details

• Publisher: Kluwer Academic / Plenum Publishers
• Publication date: 1989
• Language: English
• ISBN 10: 0306110237
• ISBN 13: 9780306110238
• Binding: Hardcover
• Number of pages: 258