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Monotonicity based imaging methods for elliptic and parabolic inverse problems

✍ Scribed by Tamburrino, A.


Book ID
120106287
Publisher
Walter de Gruyter GmbH & Co. KG
Year
2006
Tongue
English
Weight
205 KB
Volume
14
Category
Article
ISSN
0928-0219

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Preconditioners for spectral element met
✍ P. Dutt; P. Biswas; G. Naga Raju πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 187 KB

In this paper we propose preconditioners for spectral element methods for elliptic and parabolic problems. These preconditioners are constructed using separation of variables and are easy to invert. Moreover they are spectrally equivalent to the quadratic forms which they are used to approximate.