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Symmetrizable finite difference operators. (English) Zbl 0697.65069
Symmetrizers for various classes of finite difference operators are constructed. Theorems on existence of symmetrizers and stability of symmetrizable operators are proved under hypothesis which are useful in practice.
Reviewer: V.A.Kostova

MSC:
65M12 Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs
35L15 Initial value problems for second-order hyperbolic equations
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