Volume 4, Number 4 (2010)

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Preface

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Robin Hudson's pathless path to quantum stochastic calculus
David Applebaum

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On the characteristic function of random variables associated with boson Lie algebras
Luigi Accardi and Andreas Boukas

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Quantum filtering in coherent states
John E Gough and Claus Köstler

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Markov chains and dynamical systems: the open system point of view
Stéphane Attal

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Cosine and Gaussian transforms
Carlos Lizama and Rolando Rebolledo

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Transformation of quantum Lévy processes on Hopf algebras
Michael Schürmann, Michael Skeide, and Silvia Volkwardt

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E-semigroups subordinate to CCR flows
Stephen J Wills

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Characterization of unitary processes with independent increments
Un Cig Ji, Lingaraj Sahu, and Kalyan B Sinha

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Quantum quasi-Markov processes, L-dynamics, and noncommutative Girsanov transformation
V P Belavkin

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How to differentiate a quantum stochastic cocycle
J Martin Lindsay