Abstract
An optimal two-uniform convexity theorem (obtained together with K. Ball) is presented. This is shown to lead to optimal hypercontractivity bounds for the fermion oscillator semigroup, conjectured by L. Gross in 1975. These are the fermion analogs of the optimal hypercontractivity bounds for the boson oscillator semigroup obtained in 1973 by E. Nelson.
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Carlen, E.A., Lieb, E.H. (1993). Optimal Two—Uniform Convexity and Fermion Hypercontractivity. In: Araki, H., Ito, K.R., Kishimoto, A., Ojima, I. (eds) Quantum and Non-Commutative Analysis. Mathematical Physics Studies, vol 16. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2823-2_7
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DOI: https://doi.org/10.1007/978-94-017-2823-2_7
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