Results 91 to 100 of about 304 (131)

Non-subelliptic estimates for the tangential Cauchy-Riemann system

, 2006
We prove non-subelliptic estimates for the tangential Cauchy-Riemann system over a weakly “q-pseudoconvex” higher codimensional submanifold M of Cn. Let us point out that our hypotheses do not suffice to guarantee subelliptic estimates, in general.
BARACCO, LUCA, H. AHN, ZAMPIERI, GIUSEPPE   +2 more
core  

Singular integrals related to the Radon transform and boundary value problems. [PDF]

Proc Natl Acad Sci U S A, 1983
Phong DH, Stein EM.
europepmc   +1 more source

Best constants in subelliptic fractional Sobolev and Gagliardo-Nirenberg inequalities and ground states on stratified Lie groups. [PDF]

Calc Var Partial Differ Equ
Ghosh S, Kumar V, Ruzhansky M.
europepmc   +1 more source

Recent results on Kolmogorov equations and applications.

, 2004
The paper contains a survey of results on a class of linear and non linear Kolmogorov-type operators.
POLIDORO, Sergio
core  

New strong maximum and comparison principles for fully nonlinear degenerate elliptic PDEs

We introduce a notion of subunit vector field for fully nonlinear degenerate elliptic equations. We prove that an interior maximum of a viscosity subsolution of such an equation propagates along the trajectories of subunit vector fields.
Martino Bardi, Alessandro Goffi
core  

Multiplicity of solutions of quasilinear subelliptic equations on Heisenberg group

Applied Mathematical Sciences, 2017
Fanglan Li, Gao Jia
openaire   +1 more source

A class of subelliptic quasilinear equations

, 2006
MURTHY, VENKATESHA MATHODU
core  

Semilinear subelliptic equations on rational Carnot groups

, 2007
LOIUDICE, ANNUNZIATA
core  

Uniqueness of Solutions of a Class of Quasilinear Subelliptic Equations

, 2015
We study the uniqueness problem of the equation, −∆L,pu+|u|q−1u=h on RN, where q > p − 1 > 0. and N > p. Uniqueness results proved in this paper hold for equations associated to the mean curvature type operators as well as for more general quasilinear coercive subelliptic operators.
D'Ambrosio, L., MITIDIERI, ENZO
openaire   +5 more sources

Some of the next articles are maybe not open access.

Related searches:

Exceptional sets for solutions to subelliptic equations

Siberian Mathematical Journal, 1995
This paper deals with removable singularities for bounded solutions of the following class of nonlinear hypoelliptic equations: \[ -\sum^m_{j=1} X^*_jA_j(x,u,X_1u,\dots,X_mu)= f(x,u,X_1u,\dots,X_mu), \] where the \(C^\infty\) vector fields \(X_1,\dots,X_m\) fulfill the well-known Hörmander's conditions for hypoellipticity.
S K Vodop'Yanov, Vodop'Yanov S K
exaly   +3 more sources