An analogue of the big <Emphasis Type="Italic">q</Emphasis>-Jacobi polynomials in the algebra of symmetric functions |
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Authors: | G I Olshanski |
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Institution: | 1.Institute for Information Transmission Problems of the Russian Academy of Sciences,Moscow,Russia;2.Skolkovo Institute of Science and Technology (Skoltech),Moscow,Russia |
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Abstract: | It is well known how to construct a system of symmetric orthogonal polynomials in an arbitrary finite number of variables from an arbitrary system of orthogonal polynomials on the real line. In the special case of the big q-Jacobi polynomials, the number of variables can be made infinite. As a result, in the algebra of symmetric functions, there arises an inhomogeneous basis whose elements are orthogonal with respect to some probability measure. This measure is defined on a certain space of infinite point configurations and hence determines a random point process. |
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