On the Legendre and Laplace transformations
Lars Hörmander (1997)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Lars Hörmander (1997)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Viorel Vâjâitu (2000)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Nikolov, Nikolai (2011)
Union of Bulgarian Mathematicians
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Николай М. Николов - Разгледани са характеризации на различни понятия за изпъкналост, като тези понятия са сравнени. We discuss different characterizations of various notions of convexity as well as we compare these notions. *2000 Mathematics Subject Classification: 32F17.
J. Krzyż (1963)
Colloquium Mathematicae
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Michel Gondran, Rita Hoblos Saade (2003)
Kybernetika
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In this article, we present a detailed study of the complex calculus of variations introduced in [M. Gondran: Calcul des variations complexe et solutions explicites d’équations d’Hamilton–Jacobi complexes. C.R. Acad. Sci., Paris 2001, t. 332, série I]. This calculus is analogous to the conventional calculus of variations, but is applied here to functions in . It is based on new concepts involving the minimum and convexity of a complex function. Such an approach allows us to propose...
Paques, O.W., Zaine, M.C. (1990)
Portugaliae mathematica
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