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Funktsional'nyi Analiz i ego Prilozheniya, 2013, Volume 47, Issue 2, Pages 2–17
DOI: https://doi.org/10.4213/faa3109
(Mi faa3109)
 

This article is cited in 17 scientific papers (total in 17 papers)

Fractional Powers of Operators Corresponding to Coercive Problems in Lipschitz Domains

M. S. Agranovicha, A. M. Selitskiib

a Moscow State Institute of Electronics and Mathematics — Higher School of Economics
b Dorodnitsyn Computing Centre of the Russian Academy of Sciences, Moscow
References:
Abstract: Let $\Omega$ be a bounded Lipschitz domain in $\mathbb{R}^n$, $n\ge2$, and let $L$ be a second-order matrix strongly elliptic operator in $\Omega$ written in divergence form. There is a vast literature dealing with the study of domains of fractional powers of operators corresponding to various problems (beginning with the Dirichlet and Neumann problems) with homogeneous boundary conditions for the equation $Lu=f$, including the solution of the Kato square root problem, which arose in 1961. Mixed problems and a class of problems for higher-order systems have been covered as well.
We suggest a new abstract approach to the topic, which permits one to obtain the results that we deem to be most important in a much simpler and unified way and cover new operators, namely, classical boundary operators on the Lipschitz boundary $\Gamma=\partial\Omega$ or part of it. To this end, we simultaneously consider two well-known operators associated with the boundary value problem.
Keywords: Lipschitz domain, strongly elliptic system, coercive problem, Kato's square root problem.
Received: 17.01.2013
English version:
Functional Analysis and Its Applications, 2013, Volume 47, Issue 2, Pages 83–95
DOI: https://doi.org/10.1007/s10688-013-0013-0
Bibliographic databases:
Document Type: Article
UDC: 517.98+517.95
Language: Russian
Citation: M. S. Agranovich, A. M. Selitskii, “Fractional Powers of Operators Corresponding to Coercive Problems in Lipschitz Domains”, Funktsional. Anal. i Prilozhen., 47:2 (2013), 2–17; Funct. Anal. Appl., 47:2 (2013), 83–95
Citation in format AMSBIB
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  • This publication is cited in the following 17 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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