Abstract
Positive elliptic operators from the Helffer-Robert classes of pseudodifferential operators on the line can be approximately factored as products of creation and annihilation operators. Operators of anharmonic oscillators belong to these classes.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 425-433 |
| Number of pages | 9 |
| Journal | Proceedings of the American Mathematical Society |
| Volume | 113 |
| Issue number | 2 |
| DOIs | |
| State | Published - Oct 1991 |
| Externally published | Yes |
ASJC Scopus subject areas
- General Mathematics
- Applied Mathematics
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