Results 121 to 130 of about 425 (156)
SOME FUNCTION CLASSES CONNECTED WITH PARTIALLY HYPOELLIPTIC DIFFERENTIAL OPERATORS. [PDF]
Proc Natl Acad Sci U S A, 1962 Friberg J.
europepmc +1 more source
The [unk]-Neumann Problem on (Weakly) Pseudo-Convex Two-Dimensional Manifolds. [PDF]
Proc Natl Acad Sci U S A, 1972 Kohn JJ.
europepmc +1 more source
A new class of pseudo-differential operators. [PDF]
Proc Natl Acad Sci U S A, 1978 Nagel A, Stein EM.
europepmc +1 more source
Partially Hypoelliptic Differential Equations of Finite Type.
MATHEMATICA SCANDINAVICA, 1961 openaire +2 more sources
Classes of spatially inhomogeneous pseudodifferential operators. [PDF]
Proc Natl Acad Sci U S A, 1973 Beals R, Fefferman C.
europepmc +1 more source
Direct solution of general one-dimensional linear parabolic equation via an abstract plancherel formula. [PDF]
Proc Natl Acad Sci U S A, 1969 Hersh R.
europepmc +1 more source
Regularity at the boundary for solutions of hypoelliptic equations
Osaka Journal of Mathematics, 1966 openaire +4 more sources
HYPOELLIPTICITY OF NONLINEAR PARTIAL DIFFERENTIAL EQUATIONS
HYPOELLIPTICITY OF NONLINEAR PARTIAL DIFFERENTIAL EQUATIONSopenaire
Regularity at the boundary for solutions of hypoelliptic equations
Regularity at the boundary for solutions of hypoelliptic equationsopenaire