𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Criteria for the discreteness of the spectrum of a hypoelliptic operator

✍ Scribed by M. G. Gimadislamov

Publisher
SP MAIK Nauka/Interperiodica
Year
1981
Tongue
English
Weight
326 KB
Volume
30
Category
Article
ISSN
0001-4346

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

On the essential spectrum of hypoellipti
On the essential spectrum of hypoelliptic pseudo-differential operators
✍ Ernesto Buzano; Andrea Ziggioto πŸ“‚ Article πŸ“… 2008 πŸ› John Wiley and Sons 🌐 English βš– 239 KB

## Abstract We describe the essential spectrum of a hypoelliptic pseudo‐differential operator which is the sum of a constantcoefficients operator and an operator with coefficients vanishing at infinity. (Β© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)