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Abstract <p>We investigate the majorization procedure for mixed unitary quantum channels. The conditions under which we get the exact estimation are found. The example based upon projective unitary representations of Abelian groups is considered.</p>

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On Condition of Majorization for Mixed Unitary Channels

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • G. G. Amosov,
  • L. A. Ryskin

摘要

Abstract

We investigate the majorization procedure for mixed unitary quantum channels. The conditions under which we get the exact estimation are found. The example based upon projective unitary representations of Abelian groups is considered.