Relative boundedness and compactness theory for second-order differential operators.
Anderson, Terry G., Hinton, Don B. (1997)
Journal of Inequalities and Applications [electronic only]
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Anderson, Terry G., Hinton, Don B. (1997)
Journal of Inequalities and Applications [electronic only]
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Anderson, Terry G. (1998)
International Journal of Mathematics and Mathematical Sciences
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Johannes Sjöstrand (1980)
Annales de l'institut Fourier
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Let be a selfadjoint classical pseudo-differential operator of order with non-negative principal symbol on a compact manifold. We assume that is hypoelliptic with loss of one derivative and semibounded from below. Then exp, , is constructed as a non-classical Fourier integral operator and the main contribution to the asymptotic distribution of eigenvalues of is computed. This paper is a continuation of a series of joint works with A. Menikoff.
B. W. Schulze (1989)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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K. Senator (1994)
Studia Mathematica
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We consider a class of elliptic equations whose leading part is the Laplacian and for which the singularities of the coefficients of lower order terms are described by a mixed -norm. We prove that the zeros of the solutions are of at most finite order in the sense of a spherical L²-mean.
M. A. Shubin (1989-1990)
Séminaire Équations aux dérivées partielles (Polytechnique)
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Dong Gun Park, Hiroki Tanabe (1987)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Coriasco, S. (1999)
Rendiconti del Seminario Matematico
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