Convergence of Spectral Expansions Related to Elliptic Operators with Singular Coefficients

Let be a smooth domain in (not necessarily bounded), and let be a linear elliptic differential operator of order with singular coefficients acting in . Under some assumptions of singularity for the coefficients of , we consider the Friedrichs extension and study the convergence of spectral expansion...

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Published in:Mathematical Notes 2022-04, Vol.111 (3-4), p.455-469
Main Authors: Serov, V. S., Kyllönen, U. M.
Format: Article
Language:English
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14/34
639/766/189
639/766/530
639/766/747
Convergence
Differential equations
Mathematics
Mathematics and Statistics
Operators (mathematics)
Sobolev space
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description Let be a smooth domain in (not necessarily bounded), and let be a linear elliptic differential operator of order with singular coefficients acting in . Under some assumptions of singularity for the coefficients of , we consider the Friedrichs extension and study the convergence of spectral expansions in Sobolev spaces.
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subjects 14/34
639/766/189
639/766/530
639/766/747
Convergence
Differential equations
Mathematics
Mathematics and Statistics
Operators (mathematics)
Sobolev space
title Convergence of Spectral Expansions Related to Elliptic Operators with Singular Coefficients
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