Title of article
Generalised energy conservation law for wave equations with variable propagation speed
Author/Authors
Hirosawa، نويسنده , , Fumihiko and Wirth، نويسنده , , Jens، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2009
Pages
19
From page
56
To page
74
Abstract
We investigate the long time behaviour of the L 2 -energy of solutions to wave equations with variable speed of propagation. The novelty of the approach is the combination of estimates for higher order derivatives of the coefficient with a stabilisation property.
Keywords
Generalised energy conservation law , Floquet Theory , A priori estimates , wave equations
Journal title
Journal of Mathematical Analysis and Applications
Serial Year
2009
Journal title
Journal of Mathematical Analysis and Applications
Record number
1560418
Link To Document