Nalaganje...
On the lowest eigenvalue of a pseudo-differential operator
Positive lower bounds for pseudo-differential operators with nonnegative symbols are derived; the bounds in particular yield subelliptic estimates for operators arising as sums of squares of vector fields.
Shranjeno v:
| izdano v: | Proc Natl Acad Sci U S A |
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| Main Authors: | , |
| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
National Academy of Sciences
1979
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC411799/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/16592730/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.76.12.6055 |
| Oznake: |
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