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Existence of weak s...
Existence of weak solutions to a nonlinear reaction-diffusion system with singular sources
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- de Bonis, Ida (författare)
- Universitá Giustino Fortunato, Italy
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- Muntean, Adrian, 1974- (författare)
- Karlstads universitet,Institutionen för matematik och datavetenskap (from 2013)
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(creator_code:org_t)
- San Marcos : Texas State University, 2017
- 2017
- Engelska.
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Ingår i: Electronic Journal of Differential Equations. - San Marcos : Texas State University. - 1550-6150 .- 1072-6691. ; 2017:202, s. 1-16
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Abstract
Ämnesord
Stäng
- We discuss the existence of a class of weak solutions to a nonlinear parabolic system of reaction-diffusion type endowed with singular production terms by reaction. The singularity is due to a potential occurrence of quenching localized to the domain boundary. The kind of quenching we have in mind is due to a twofold contribution: (i) the choice of boundary conditions, modeling in our case the contact with an infinite reservoir filled with ready-to-react chemicals and (ii) the use of a particular nonlinear, non-Lipschitz structure of the reaction kinetics. Our working techniques use fine energy estimates for approximating non-singular problems and uniform control on the set where singularities are localizing.
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Nyckelord
- Reaction-diffusion systems
- singular parabolic equations
- weak solutions
- Matematik
- Mathematics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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