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Matrix Convolution Operators on Groups / by Cho-Ho Chu; edited by J. -M. Morel, F. Takens, B. Teissier

Contributor(s): Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Series: SpringerLink BücherPublisher: Berlin ; Heidelberg : Springer, 2008Description: Online-Ressource (digital)ISBN:
  • 9783540697985
Subject(s): Additional physical formats: 9783540697978 | Buchausg. u.d.T.: Matrix convolution operators on groups. Berlin : Springer, 2008. IX, 108 S.DDC classification:
  • 515.724
  • 515.7246
  • 515.9 23
  • 510
MSC: MSC: *43-02 | 22D99 | 43A15RVK: RVK: SK 620 | SI 850LOC classification:
  • QA329-329.9
  • QA3
DOI: DOI: 10.1007/978-3-540-69798-5Online resources: Summary: Lebesgue Spaces of Matrix Functions -- Matrix Convolution Operators -- Convolution Semigroups.Summary: In the last decade, convolution operators of matrix functions have received unusual attention due to their diverse applications. This monograph presents some new developments in the spectral theory of these operators. The setting is the Lp spaces of matrix-valued functions on locally compact groups. The focus is on the spectra and eigenspaces of convolution operators on these spaces, defined by matrix-valued measures. Among various spectral results, the L2-spectrum of such an operator is completely determined and as an application, the spectrum of a discrete Laplacian on a homogeneous graph is computed using this result. The contractivity properties of matrix convolution semigroups are studied and applications to harmonic functions on Lie groups and Riemannian symmetric spaces are discussed. An interesting feature is the presence of Jordan algebraic structures in matrix-harmonic functions.PPN: PPN: 1647378273Package identifier: Produktsigel: ZDB-2-SEB | ZDB-2-SXMS | ZDB-2-LNM | ZDB-2-SMA
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