Hostname: page-component-586b7cd67f-r5fsc Total loading time: 0 Render date: 2024-12-01T01:59:39.694Z Has data issue: false hasContentIssue false

A priori bounds for solutions of an elliptic equation

Published online by Cambridge University Press:  14 November 2011

M. Faierman
Affiliation:
Department of Mathematics, University of the Witwatersrand, Johannesburg, South Africa

Synopsis

In the general theory of non-selfadjoint elliptic boundary value problems involving an indefinite weight function, there arises the problem of obtaining a priori estimates for solutions about points of discontinuity of the weight function. Here we deal with this problem for the case where the weight function vanishes on a set of positive measure.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1992

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1Agmon, S.. Lectures on elliptic boundary value problems (Princeton, N.J.: Van Nostrand, 1965).Google Scholar
2Agmon, S.. Doughs, A.. and Nirenberg, L.. Estimates near the boundary for solutions of elliptic partial differential equations satisfying general boundary conditions. I. Comm. Pure Appl. Math. 12 (1959), 623727.CrossRefGoogle Scholar
3Agranovich, M. S. and Vishik, M. I.. Elliptic problems with a parameter and parabolic problems of general type. Russian Math. Surveys 19 (1964), 53157.CrossRefGoogle Scholar
4Beals, R.. Indefinite Sturm–Liouville problems and half-range completeness. J. Differential Equations 56 (1985), 391407.CrossRefGoogle Scholar
5Coddington, E. A. and Levinson, N.. Theory of ordinary differential equations (New York: McGraw-Hill, 1955).Google Scholar
6Èskin, G. I.. Boundary value problems for elliptic pseudodifferential equations (Providence R. I.: American Mathematical Society, 1981).Google Scholar
7Faierman, M.. On the eigenvalues of nonselfadjoint problems involving indefinite weights. Math. Ann. 282 (1988), 369377.CrossRefGoogle Scholar
8Faierman, M.. Elliptic problems involving an indefinite weight. Trans. Amer. Math. Soc. 320 (1990), 253279.CrossRefGoogle Scholar
9Faierman, M.. Non-selfadjoint elliptic problems involving an indefinite weight. Comm. Partial Differential Equations 15 (1990), 939982.CrossRefGoogle Scholar
10Faierman, M.. An oblique derivative problem involving an indefinite weight. In Differential Equations, Lecture Notes in Pure and Applied Mathematics 127, 147154 (New York: Dekker, 1991).Google Scholar
11Faierman, M.. Non-selfadjoint elliptic problems for second order operators which involve an indefinite weight (in preparation).Google Scholar
12Fleckinger, J. and Lapidus, M. L.. Eigenvalues of elliptic boundary value problems with an indefinite weight function. Trans. Amer. Math. Soc. 295 (1986), 305324.CrossRefGoogle Scholar
13Fleckinger, J. and Lapidus, M. L.. Remainder estimates for the asymptotics of elliptic eigenvalue problems with indefinite weights. Arch. Rational Mech. Anal. 98 (1987), 329356.CrossRefGoogle Scholar
14Gilbarg, D..and Trudinger, N. S.. Elliptic partial differential equations of second order, 2nd edn (New York: Springer, 1983).Google Scholar
15Hess, P.. On the relative completeness of the generalized eigenvectors of elliptic eigenvalue problems with indefinite weight functions. Math. Ann. 270 (1985), 467475.CrossRefGoogle Scholar
16Hess, P.. On the spectrum of elliptic operators with respect to indefinite weights. Linear Algebra Appl. 84 (1986), 99109.CrossRefGoogle Scholar
17Hess, P.. On the asymptotic distribution of eigenvalues of some nonselfadjoint problems. Bull. London Math. Soc. 18 (1986), 181184.CrossRefGoogle Scholar
18Lions, J. L. and Magenes, E.. Non-homogeneous boundary value problems, vol. I (New York: Springer, 1972).Google Scholar
19Nečas, J.. Les méthodes directes en théorie des équations elliptiques (Paris; Masson, 1967).Google Scholar