Criteria for well-posedness of degenerat
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Maria Assunta Pozio; Fabio Punzo; Alberto Tesei
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Article
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2008
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Elsevier Science
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English
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We provide explicit criteria for uniqueness or nonuniqueness of solutions to a wide class of second order elliptic and parabolic problems. The operator coefficients may be unbounded or vanish, or not to have a limit when approaching some part of the boundary, referred to as singular boundary. We dis