Algebraic topology and elliptic operators
β Scribed by M. F. Atiyah
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 651 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0010-3640
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## dedicated to professor ivan vidav in honor of his eightieth birthday Given a von Neumann algebra R on a Hilbert space H, the so-called R-topology is introduced into B(H), which is weaker than the norm and stronger than the ultrastrong operator topology. A right R-submodule X of B(H ) is closed
## Abstract In this paper we study a class of elliptic secondβorder differential operators on finite dimensional convex compact sets whose principal part degenerates on a subset of the boundary of the domain. We show that the closures of these operators generate Feller semigroups. Moreover, we app