Identification of the theory of orthogonal polynomials in d-indeterminates with the theory of 3-diagonal symmetric interacting Fock spaces on ℂd
- 16 March 2017
- journal article
- Published by World Scientific Pub Co Pte Ltd in Infinite Dimensional Analysis, Quantum Probability and Related Topics
- Vol. 20 (1), 1750004
- https://doi.org/10.1142/s0219025717500047
Abstract
The identification mentioned in the title allows a formulation of the multidimensional Favard lemma different from the ones currently used in the literature and which parallels the original 1-dimensional formulation in the sense that the positive Jacobi sequence is replaced by a sequence of positive Hermitean (square) matrices and the real Jacobi sequence by a sequence of positive definite kernels. The above result opens the way to the program of a purely algebraic classification of probability measures on with moments of any order and more generally of states on the polynomial algebra on . The quantum decomposition of classical real-valued random variables with all moments is one of the main ingredients in the proof.
Keywords
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