Elliptic operators and covers of Riemannian manifolds.
Harold Donnelly (1996)
Mathematische Zeitschrift
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Harold Donnelly (1996)
Mathematische Zeitschrift
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Michael Gromov, Mikhail A. Shubin (1994)
Inventiones mathematicae
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Bonfiglioli, Andrea, Lanconelli, Ermanno, Uguzzoni, Francesco (2003)
Electronic Research Announcements of the American Mathematical Society [electronic only]
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Grzegorz Łysik, Paweł M. Wójcicki (2014)
Annales Polonici Mathematici
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We give a characterization of constant coefficients elliptic operators in terms of estimates of their iterations on smooth functions.
Annalisa Menegus, Giuseppe Olivi (1976)
Rendiconti del Seminario Matematico della Università di Padova
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Ewa Ligocka (2002)
Colloquium Mathematicae
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We recall an old result of B. Dittmar. This result permits us to obtain an existence theorem for the Beltrami equation and some other results as a direct consequence of Moser's classical estimates for elliptic operators.
Marc Herzlich (2000)
Journées équations aux dérivées partielles
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We describe the recent joint work of the author with David M. J. Calderbank and Paul Gauduchon on refined Kato inequalities for sections of vector bundles living in the kernel of natural first-order elliptic operators.
Al-Mahameed, M. M. (2007)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 35B50, 35L15. In this paper we introduce some new results concerning the maximum principles for second order linear elliptic partial differential equations defined on a noncompact Riemannian manifold.
Nazaikinskii, V.E., Sternin, B.Yu. (2006)
Abstract and Applied Analysis
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P. R. Popivanov (1987)
Banach Center Publications
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K. I. Iordanidis (1971)
Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
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Nazarov, A.I. (2004)
Journal of Mathematical Sciences (New York)
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Devdariani, G. (2000)
Bulletin of TICMI
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