An application of subelliptic operators to the mixed problem for a second order hyperbolic equation
DOI10.1080/03605308408820327zbMath0546.35039OpenAlexW2084989137MaRDI QIDQ3337835
Todor Gramchev, Peter R. Popivanov
Publication date: 1984
Published in: Communications in Partial Differential Equations (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1080/03605308408820327
existenceuniquenessbicharacteristicspropagation of singularitiessubelliptic operatorInitial-boundary value problemssecond order strictly hyperbolic operators
Initial-boundary value problems for second-order hyperbolic equations (35L20) Shocks and singularities for hyperbolic equations (35L67) Ill-posed problems for PDEs (35R25)
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