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Mathematics  2004 

Strong hypercontractivity in non-commutative holomorphic spaces

DOI: 10.1007/s00220-005-1379-5

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Abstract:

We introduce holomorphic algebras $H_q$ in the context of the q-Gaussian algebra $\Gamma_q$ of Bozejko, K\"ummerer, and Speicher, and give a q-Segal-Bargmann transform for them. We then prove a strong hypercontractivity theorem, generalizing Janson's strong (holomorphic) hypercontractivity, from $L^2(H_q) \to L^r(H_q)$ for r an even integer.

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