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Graph spaces of first-order linear partial differential operators (CROSBI ID 151174)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Antonić, Nenad ; Burazin, Krešimir Graph spaces of first-order linear partial differential operators // Mathematical communications, 14 (2009), 1; 135-156

Podaci o odgovornosti

Antonić, Nenad ; Burazin, Krešimir

engleski

Graph spaces of first-order linear partial differential operators

Symmetric positive systems of first-order linear partial differential equations were introduced by K.O. Friedrichs (1958) in order to treat the equations that change their type, like the equations modelling the transonic fluid flow. Recently, some progress in their understanding has been made by rewriting them in terms of Hilbert spaces, characterising the admisible boundary conditions by intrinsic geometric conditions in the graph spaces. In this paper we streamline the available proofs of the properties of graph spaces (most completely presented by M. Jensen (2004)), providing some additional results in the process ; thus paving the way for further study of Friedrichs’ systems.

symmetric positive system ; graph space ; first-order system of pde’ s

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Podaci o izdanju

14 (1)

2009.

135-156

objavljeno

1331-0623

1848-8013

Povezanost rada

Matematika

Poveznice
Indeksiranost