The Cauchy problem for the Schrödinger equation in dimension three with concentrated nonlinearity
Riccardo Adami, Gianfausto Dell'Antonio, Rodolfo Figari, Alessandro Teta (2003)
Annales de l'I.H.P. Analyse non linéaire
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Riccardo Adami, Gianfausto Dell'Antonio, Rodolfo Figari, Alessandro Teta (2003)
Annales de l'I.H.P. Analyse non linéaire
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C. G. G. Van Herk (1951)
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Ioan Serb (2001)
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Variants of Khintchine's inequality with coefficients depending on the vector dimension are proved. Equality is attained for different types of extremal vectors. The Schur convexity of certain attached functions and direct estimates in terms of the Haagerup type of functions are also used.
Gilbert Muraz, Jean-Louis Verger-Gaugry (2005)
Journal de Théorie des Nombres de Bordeaux
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The set of point sets of , having the property that their minimal interpoint distance is greater than a given strictly positive constant is shown to be equippable by a metric for which it is a compact topological space and such that the Hausdorff metric on the subset of the finite point sets is compatible with the restriction of this topology to . We show that its subsets of Delone sets of given constants in , are compact. Three (classes of) metrics, whose one of crystallographic...
M. Gurdek, L. Rempulska, M. Skorupka (1999)
Collectanea Mathematica
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H. König, D. Lewis, P.-K. Lin (1983)
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Imre Z. Ruzsa, Andrzej Schinzel (1995)
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