Browsing Mathematics and Physics by Author "Dey, Santanu"

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Browsing Mathematics and Physics by Author "Dey, Santanu"

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  • Dey, Santanu; Gohm, Rolf (2007-05-01)
    Motivated by a result on weak Markov dilations, we define a notion of characteristic function for ergodic and coisometric row contractions with a one-dimensional invariant subspace for the adjoints. This extends a definition ...
  • Dey, Santanu; Gohm, Rolf (2011-10-31)
    We introduce characteristic functions for certain contractive liftings of row contractions. These are multi-analytic operators which classify the liftings up to unitary equivalence and provide a kind of functional model. ...

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