scientific article
zbMath0722.47039MaRDI QIDQ3209693
Publication date: 1988
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
regularizerscoercivity of degenerate quadratic formsdifferential operators in a half-space, whose dominant coefficients becomes degenerate on the boundaryhypoelliptic in the sense of the calculus of pseudodifferential operators with dual symbolsmicrolocal regularizerquasielliptic differential operatorsymbol of a degenerate differential operator
Pseudodifferential operators as generalizations of partial differential operators (35S05) Degenerate elliptic equations (35J70) General theory of partial differential operators (47F05) Pseudodifferential operators (47G30)
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