A sufficient condition for existence of real analytic solutions of P.D.E. with constant coefficients, in open sets of
Giuseppe Zampieri (1980)
Rendiconti del Seminario Matematico della Università di Padova
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Giuseppe Zampieri (1980)
Rendiconti del Seminario Matematico della Università di Padova
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H. Komatsu (1980-1981)
Séminaire Équations aux dérivées partielles (Polytechnique)
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Massimo Cicognani (1991)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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N. Iwasaki (1985-1986)
Séminaire Équations aux dérivées partielles (Polytechnique)
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Rüdiger W. Braun, Reinhold Meise, B. A. Taylor (2011)
Annales de la faculté des sciences de Toulouse Mathématiques
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We prove that an analytic surface in a neighborhood of the origin in satisfies the local Phragmén-Lindelöf condition at the origin if and only if satisfies the following two conditions: (1) is nearly hyperbolic; (2) for each real simple curve in and each , the (algebraic) limit variety satisfies the strong Phragmén-Lindelöf condition. These conditions are also necessary for any pure -dimensional analytic variety to satisify .
B. A. Taylor, R. Meise, Dietmar Vogt (1990)
Annales de l'institut Fourier
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Solving a problem of L. Schwartz, those constant coefficient partial differential operators are characterized that admit a continuous linear right inverse on or , an open set in . For bounded with -boundary these properties are equivalent to being very hyperbolic. For they are equivalent to a Phragmen-Lindelöf condition holding on the zero variety of the polynomial .
Ion Suciu (1997)
Annales Polonici Mathematici
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In this paper we give some analytic formulas for the hyperbolic (Harnack) distance between two contractions which permit concrete computations in several situations, including the finite-dimensional case. The main consequence of these formulas is the proof of the Schwarz-Pick Lemma. It modifies those given in [13] by the avoidance of a general Schur type formula for contractive analytic functions, more exactly by reducing the case to the more manageable situation when the function takes...
Carvalho e Silva, Jaime (1988)
Portugaliae mathematica
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