Wick order, spreadability and exchangeability for monotone commutation relations

Abstract

We exhibit a Hamel basis for the concrete *-algebra ${\gam_o}$ associated to monotone commutation relations realised on the monotone Fock space, mainly composed by Wick ordered words of annihilators and creators. We apply such a result to investigate spreadability and exchangeability of the stochastic processes arising from such commutation relations. In particular, we show that spreadability comes from a monoidal action implementing a dissipative dynamics on the norm closure C*-algebra $\gam=\overline{\gam_o}$. Moreover, we determine the structure of spreadable and exchangeable monotone stochastic processes using their correspondence with spreading invariant and symmetric monotone states, respectively.


Autore Pugliese

Tutti gli autori

  • GRISETA M.E.;CRISMALE V.

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Anno di pubblicazione

2018

ISSN

1424-0637

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