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Global bifurcation for quasivariational inequalities of reaction-diffusion type

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    0310917 - MÚ 2009 RIV US eng J - Journal Article
    Baltaev, J.I. - Kučera, Milan
    Global bifurcation for quasivariational inequalities of reaction-diffusion type.
    [Globální bifurkace pro kvazivariační nerovnice typu reakce difuze.]
    Journal of Mathematical Analysis and Applications. Roč. 345, č. 2 (2008), s. 917-928. ISSN 0022-247X. E-ISSN 1096-0813
    R&D Projects: GA AV ČR IAA100190506
    Institutional research plan: CEZ:AV0Z10190503
    Keywords : global bifurcation * quasivariational inequality * unilateral implicit boundary conditions
    Subject RIV: BA - General Mathematics
    Impact factor: 1.046, year: 2008

    We consider a reaction-diffusion system with implicit unilateral boundary conditions introduced by U. Mosco. We show that global continua of stationary spatially nonhomogeneous solutions bifurcate in the domain of parameters where bifurcation in the case of classical boundary conditions is excluded. The problem is formulated as a quasivariational inequality and the proof is based on the Leray-Schauder degree.

    Uvažují se systémy reakce-difuze s jednostrannými implicitními okrajovými podmínkami. Ukazuje se, že dochází ke globální bifurkaci stacionárních a prostorově nehomogenních řešení v oblasti parametrů, kde v případě klasických okrajových podmínek je bifurkace vyloučena.
    Permanent Link: http://hdl.handle.net/11104/0162654

     
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