On the Local Smoothness of Weak Solutions and Hypoellipticity of Second Order Differential Equations

O. A. Oleĭnik and E. V. Radkevič
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O. A. Oleĭnik: Moscow State University
E. V. Radkevič: Academy of Sciences of the USSR, Institute for Problems of Mechanics

Chapter Chapter II in Second Order Equations With Nonnegative Characteristic Form, 1973, pp 114-207 from Springer

Abstract: Abstract Chapter II is basically concerned with the study of local smoothness of weak solutions of second order equations with nonnegative characteristic form and, in particular, conditions for hypoellipticity.

Keywords: Weak Solution; Differential Operator; Induction Hypothesis; Order Equation; Pseudo Differential Operator (search for similar items in EconPapers)
Date: 1973
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-1-4684-8965-1_3

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DOI: 10.1007/978-1-4684-8965-1_3

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