On the norm of exponential sums
S. K. Pichorides (1980)
Annales de l'institut Fourier
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The norm of a trigonometric polynomial with non zero coefficients of absolute value not less than 1 exceeds a fixed positive multiple of
S. K. Pichorides (1980)
Annales de l'institut Fourier
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The norm of a trigonometric polynomial with non zero coefficients of absolute value not less than 1 exceeds a fixed positive multiple of
Costa Pereira, N. (1985-1986)
Portugaliae mathematica
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Fabrice Bethuel, Giandomenico Orlandi, Didier Smets (2005)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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We derive estimates for various quantities which are of interest in the analysis of the Ginzburg-Landau equation, and which we bound in terms of the -energy and the parameter . These estimates are local in nature, and in particular independent of any boundary condition. Most of them improve and extend earlier results on the subject.
Paul Erdös (1960)
Acta Arithmetica
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Jerzy Kaczorowski (1984)
Acta Arithmetica
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L. Koczan, J. Szynal (1983)
Banach Center Publications
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Kunrui Yu (1994)
Compositio Mathematica
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