The Powers sum of spatial CPD-semigroups and CP-semigroups

Michael Skeide

Banach Center Publications (2010)

  • Volume: 89, Issue: 1, page 247-263
  • ISSN: 0137-6934

Abstract

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We define spatial CPD-semigroups and construct their Powers sum. We construct the Powers sum for general spatial CP-semigroups. In both cases, we show that the product system of that Powers sum is the product of the spatial product systems of its factors. We show that on the domain of intersection, pointwise bounded CPD-semigroups on the one side and Schur CP-semigroups on the other, the constructions coincide. This summarizes all known results about Powers sums and generalizes them considerably.

How to cite

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Michael Skeide. "The Powers sum of spatial CPD-semigroups and CP-semigroups." Banach Center Publications 89.1 (2010): 247-263. <http://eudml.org/doc/282511>.

@article{MichaelSkeide2010,
abstract = {We define spatial CPD-semigroups and construct their Powers sum. We construct the Powers sum for general spatial CP-semigroups. In both cases, we show that the product system of that Powers sum is the product of the spatial product systems of its factors. We show that on the domain of intersection, pointwise bounded CPD-semigroups on the one side and Schur CP-semigroups on the other, the constructions coincide. This summarizes all known results about Powers sums and generalizes them considerably.},
author = {Michael Skeide},
journal = {Banach Center Publications},
keywords = {quantum probability; quantum dynamics; product systems; spatial; dynamics},
language = {eng},
number = {1},
pages = {247-263},
title = {The Powers sum of spatial CPD-semigroups and CP-semigroups},
url = {http://eudml.org/doc/282511},
volume = {89},
year = {2010},
}

TY - JOUR
AU - Michael Skeide
TI - The Powers sum of spatial CPD-semigroups and CP-semigroups
JO - Banach Center Publications
PY - 2010
VL - 89
IS - 1
SP - 247
EP - 263
AB - We define spatial CPD-semigroups and construct their Powers sum. We construct the Powers sum for general spatial CP-semigroups. In both cases, we show that the product system of that Powers sum is the product of the spatial product systems of its factors. We show that on the domain of intersection, pointwise bounded CPD-semigroups on the one side and Schur CP-semigroups on the other, the constructions coincide. This summarizes all known results about Powers sums and generalizes them considerably.
LA - eng
KW - quantum probability; quantum dynamics; product systems; spatial; dynamics
UR - http://eudml.org/doc/282511
ER -

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