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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

 

The semigroup stability of the difference approximations for initial-boundary value problems


Author: Lixin Wu
Journal: Math. Comp. 64 (1995), 71-88
MSC: Primary 65N06; Secondary 34G10, 65N12
MathSciNet review: 1257582
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Abstract: For semidiscrete approximations and one-step fully discretized approximations of the initial-boundary value problem for linear hyperbolic equations with diagonalizable coefficient matrices, we prove that the Kreiss condition is a sufficient condition for the semigroup stability (or $ {l_2}$ stability). Also, we show that the stability of a fully discretized approximation generated by a locally stable Runge-Kutta method is determined by the stability of the semidiscrete approximation.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0025-5718-1995-1257582-6
PII: S 0025-5718(1995)1257582-6
Keywords: Hyperbolic, semigroup stability, Runge-Kutta methods
Article copyright: © Copyright 1995 American Mathematical Society