Mathematical Notes

, Volume 103, Issue 1–2, pp 133–144 | Cite as

On Singular Perturbations of Quantum Dynamical Semigroups

  • A. S. Holevo


We consider two examples of quantum dynamical semigroups obtained by singular perturbations of a standard generator which are special case of unbounded completely positive perturbations studied in detail in [11]. In Sec. 2, we propose a generalization of an example in [15] aimed to give a positive answer to a conjecture of Arveson. In Sec. 3 we consider in greater detail an improved and simplified construction of a nonstandard dynamical semigroup outlined in our short communication [12].


quantum dynamical semigroup singular perturbation nonstandard generator 


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© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Steklov Mathematical Institute of Russian Academy of SciencesMoscowRussia

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