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Diffusion systems and heat equations on networks

  • Kartonierter Einband
  • 116 Seiten
In these notes, a theory for sesquilinear forms on product spaces is developed, with the aim of unifying the treatment of diffusio... Weiterlesen
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Beschreibung

In these notes, a theory for sesquilinear forms on product spaces is developed, with the aim of unifying the treatment of diffusion systems and equation on networks. In the first part, a theoretical framework for sesquilinear forms defined on the direct sum of Hilbert spaces is developed. Conditions for the boundedness, ellipticity and coercivity of the sesquilinear form are proved. A criterion of E.-M. Ouhabaz is used in order to prove qualitative properties of the abstract Cauchy problem having as generator the operator associated with the sesquilinear form. In the second part we analyze quantum graphs as a special case of forms on subspaces of the direct sum of Hilbert spaces. First, we set up a framework for handling quantum graphs in the case of infinite networks. Then, the operator associated with such systems is identified and investigated. Finally, we turn our attention to symmetry properties of the associated parabolic problem and we investigate the connection with the physical concept of a gauge symmetry.

Autorentext

Studied Mechanical Engineering and Mathematics at the Universities of Bari (Italy) and Tübingen (Germany) from 1998 to 2005. He obtained a diploma in Mathematics in September 2005. He completed his PhD studies at the University of Ulm (2005-2008). He obtained his PhD degree in June 2008. Since May 2008 he is a PostDoc at the BCCN Freiburg.

Produktinformationen

Titel: Diffusion systems and heat equations on networks
Untertitel: Symmetries and irreducibility
Autor:
EAN: 9783838113166
ISBN: 978-3-8381-1316-6
Format: Kartonierter Einband
Genre: Mathematik
Anzahl Seiten: 116
Gewicht: g
Größe: H220mm x B220mm
Jahr: 2015
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