Finite difference approximations for partial differential equations with rapidly oscillating coefficients
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M. Avellaneda, Th. Y. Hou, G. C. Papanicolaou (1991)
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique
Serge Alinhac (2005)
Bulletin de la Société Mathématique de France
We investigate for which metric (close to the standard metric ) the solutions of the corresponding d’Alembertian behave like free solutions of the standard wave equation. We give rather weak (i.e., non integrable) decay conditions on ; in particular, decays like along wave cones.
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