Numerical treatment of eigenvalue problems for differential equations with discontinuous coefficients

Authors:
I. Babuška and J. E. Osborn

Journal:
Math. Comp. **32** (1978), 991-1023

MSC:
Primary 65L15

MathSciNet review:
0501962

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Abstract: The eigenvalues of a second order differential equation are approximated by "factoring" the second order equations into a first order system and then applying the Ritz-Galerkin method to this system. Convergence results and error estimates are derived. These error estimates are based on the application of Sobolev spaces with variable order.

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DOI:
http://dx.doi.org/10.1090/S0025-5718-1978-0501962-0

Article copyright:
© Copyright 1978
American Mathematical Society