Original article at: http://www.math.washington.edu/~ejpecp/viewarticle.php?id=2124

Exponential estimates for stochastic convolutions in 2-smooth Banach spaces

Jan Seidler, Institute of Information Theory and Automation of the AS CR

Abstract

Sharp constants in a (one-sided) Burkholder-Davis-Gundy type estimate for stochastic integrals in a 2-smooth Banach space are found. As a consequence, exponential tail estimates for stochastic convolutions are obtained via Zygmund's extrapolation theorem.

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Original article at: http://www.math.washington.edu/~ejpecp/viewarticle.php?id=2124