On Multiplier Processes Under Weak Moment Assumptions
On Multiplier Processes Under Weak Moment Assumptions
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发表时间:
2016
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通讯作者:
S. Mendelson
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作者:
S. Mendelson
We show that if (V subset mathbb{R}^{n}) satisfies a certain symmetry condition that is closely related to unconditionality, and if X is an isotropic random vector for which (|ig | _{L_{p}} leq Lsqrt{p}) for every t ∈ Sn−1 and every (1 leq plesssim log n), then the suprema of the corresponding empirical and multiplier processes indexed by V behave as if X were L-subgaussian.