Normal forms for parabolic partial differential equations
J.-P. Eckmann, H. Epstein, C. E. Wayne (1993)
Annales de l'I.H.P. Physique théorique
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J.-P. Eckmann, H. Epstein, C. E. Wayne (1993)
Annales de l'I.H.P. Physique théorique
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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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Ioan Serb (2001)
Collectanea Mathematica
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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.
A. N. Borodin (1987)
Annales de l'I.H.P. Probabilités et statistiques
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Annamaria Montanari, Daniele Morbidelli (2004)
Annales de l’institut Fourier
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We provide a structure theorem for Carnot-Carathéodory balls defined by a family of Lipschitz continuous vector fields. From this result a proof of Poincaré inequality follows.
T. Okamoto, K. Yajima (1985)
Annales de l'I.H.P. Physique théorique
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