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Feynman–Kac perturbation of $$C^*$$ C ∗ quantum stochastic flows

Author

Listed:
  • Alexander C. R. Belton

    (University of Plymouth)

  • Stephen J. Wills

    (University College Cork)

Abstract

The method of Feynman–Kac perturbation of quantum stochastic processes has a long pedigree, with the theory usually developed within the framework of processes on von Neumann algebras. In this work, the theory of operator spaces is exploited to enable a broadening of the scope to flows on $$C^*$$ C ∗ algebras. Although the hypotheses that need to be verified in this general setting may seem numerous, we provide auxiliary results that enable this to be simplified in many of the cases which arise in practice. A wide variety of examples is provided by way of illustration.

Suggested Citation

  • Alexander C. R. Belton & Stephen J. Wills, 2024. "Feynman–Kac perturbation of $$C^*$$ C ∗ quantum stochastic flows," Indian Journal of Pure and Applied Mathematics, Springer, vol. 55(3), pages 1062-1083, September.
    • Handle: RePEc:spr:indpam:v:55:y:2024:i:3:d:10.1007_s13226-024-00648-7
    DOI: 10.1007/s13226-024-00648-7
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