Microlocal properties of the problem with a singular oblique derivative in a neighbourhood of diffractive points

DOI10.1070/RM1986V041N01ABEH003218zbMATH Open0607.35065OpenAlexW2008217009MaRDI QIDQ3746225

Todor Gramchev, Petar Popivanov

Publication date: 1986

Published in: Russian Mathematical Surveys (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/rm1986v041n01abeh003218

zbMATH Keywords

boundary problemhypoellipticAgmon's conditiondiffractive pointsingular oblique derivative

Mathematics Subject Classification ID

Numerical computation of solutions to systems of equations (65H10) Microlocal methods and methods of sheaf theory and homological algebra applied to PDEs (35A27) Degenerate hyperbolic equations (35L80)

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