A theorem of Calderh-Vaillancourt type is obtained for a class of pseudodifferential IpLrbtors with operator -valued symbols, and strongly continuous (in general nonsmooth) groups # lrornorphisms involved in the symbol estimates. The theory of pseudodifferential operators on singular manifolds, i.
Sobolev and strict continuity of general hysteresis operators
β Scribed by Vincenzo Recupero
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 154 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0170-4214
- DOI
- 10.1002/mma.1124
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β¦ Synopsis
Abstract
The most natural and important topologies connected with hysteresis operators are those induced by uniform convergence, W^1, 1^βconvergence, and strict convergence. Indeed the supremum norm and the variation are invariant under reparameterization. We prove a general result that implies that if a hysteresis operator is continuous with respect to the topology of W^1, 1^, then it is continuous with respect to the strict topology. Copyright Β© 2009 John Wiley & Sons, Ltd.
π SIMILAR VOLUMES
We prove the existence of the global flow [U t ] generated by a vector field A from a Sobolev class W 1, 1 (+) on a finite-or infinite-dimensional space X with a measure +, provided + is sufficiently smooth and that a {A and |$ + A| (where $ + A is the divergence with respect to +) are exponentially