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H-measures and variants applied to parabolic equations (CROSBI ID 136572)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Antonić, Nenad ; Lazar, Martin H-measures and variants applied to parabolic equations // Journal of mathematical analysis and applications, 343 (2008), 1; 207-225. doi: 10.1016/j.jmaa.2007.12.077

Podaci o odgovornosti

Antonić, Nenad ; Lazar, Martin

engleski

H-measures and variants applied to parabolic equations

Since their introduction H-measures have been mostly used in problems related to propagation effects for hyperbolic equations and systems. In this study we give an attempt to apply the H-measure theory to other types of equations. Through a number of examples we present how do the differences between parabolic and hyperbolic equations reflect in the properties of H-measures corresponding to the solutions. Secondly, we apply the H-measures to the Schr\"odinger equation, where we succeed in proving a propagation property. However, our conclusion is that a variant of H-measures should be sought which would be better suited to parabolic problems. We propose such a variant, show some fundamental properties and illustrate its applicability by some examples. In particular, we show that the variant provides new information in a number of situations where the original H-measures did not. Finally, we describe how the new variant can be used in small amplitude homogenisation of parabolic equations.

H-measures; oscillations; parabolic equation; Schrodinger equation

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Podaci o izdanju

343 (1)

2008.

207-225

objavljeno

0022-247X

10.1016/j.jmaa.2007.12.077

Povezanost rada

Matematika

Poveznice
Indeksiranost