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Theory of invertibility of periodic operators

✍ Scribed by V. E. Slyusarchuk

Publisher
SP MAIK Nauka/Interperiodica
Year
1987
Tongue
English
Weight
370 KB
Volume
42
Category
Article
ISSN
0001-4346

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πŸ“œ SIMILAR VOLUMES

Invertibility of Helmholtz operators for
Invertibility of Helmholtz operators for nonhomogeneous medias
✍ Vladimir Rabinovich; Manuel Quino Cerdan πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 207 KB

## Abstract The paper is devoted to the investigation of the Helmholtz operators describing the propagation of acoustic waves in non‐homogeneous space. We consider the operator __A__ with a wave number __k__ such that where __k__~0~ is a positive function, __k__~Β±~ are complex constants with ℑ︁