On degenerate elliptic operators of infinite type.
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Displaying 1 – 16 of 16
On global hypoellipticity of vector fields
Jorge Hounie (1982)
Journées équations aux dérivées partielles
On hypoelliptic operators with double characteristics
A. Menikoff (1977)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
On hypoellipticity in .
Nedeljkov, M., Pilipović, S. (2002)
Bulletin. Classe des Sciences Mathématiques et Naturelles. Sciences Mathématiques
On hypoellipticity in g
M. Nedeljkov, S. Pilipović (2002)
Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques
On local and global analytic and Gevrey hypoellipticity
Michael Christ (1995)
Journées équations aux dérivées partielles
On local properties of some classes of infinitely degenerate elliptic differential operators.
Tri, N.M. (2001)
Rendiconti del Seminario Matematico
On the Eigenvalue of a Class of Hypoelliptic Operators.
A. Menikoff, J. Sjöstrand (1978)
Mathematische Annalen
On the existence of positive solutions of Yamabe-type equations on the Heisenberg group.
Brandolini, L., Rigoli, M., Setti, A.G. (1996)
Electronic Research Announcements of the American Mathematical Society [electronic only]
On the Functional Dimension of Solution Spaces of Hypoelliptic Partial Differential Operators.
Michael Langenbruch (1985)
Mathematische Annalen
On the Gevrey analyticity of solutions of semilinear perturbations of powers of the Mizohata operator.
Tri, N.M. (1999)
Rendiconti del Seminario Matematico
On the Gevrey hypo-ellipticity of sums of squares of vector fields
Antonio Bove, François Treves (2004)
Annales de l’institut Fourier
The article studies a second-order linear differential operator of the type
One dimensional symmetry in the Heisenberg group
Isabeau Birindelli, Jyotshana Prajapat (2001)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Opérateurs différentiels hypoelliptiques et groupes nilpotents
B. Helffer, J. Nourrigat (1978/1979)
Séminaire Équations aux dérivées partielles (Polytechnique)
Opérateurs hypoelliptiques sur des groupes nilpotents
B. Helffer, F. Nourrigat (1977/1978)
Séminaire Équations aux dérivées partielles (Polytechnique)
Operatori differenziali a coefficienti costanti di tipo iperbolico-(ipo)ellittico
Giuseppe Zampieri (1984)
Rendiconti del Seminario Matematico della Università di Padova
Currently displaying 1 – 16 of 16
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