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Remarks on a challenge to the relation between $CPT$ and Lorentz violation
Published 4 May 2011 in hep-ph and hep-th | (1105.0927v1)
Abstract: The objection [arXiv:1103.0168] to my theorem [arXiv:hep-ph/0201258] that violation of $CPT$ symmetry implies violation of Lorentz covariance is based on a nonlocal model in which time-ordered products are not well defined. I used covariance of time-ordered products as the condition for Lorentz covariance; therefore the proposed objection is not relevant to my result.
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