Determinantal measures related to big q-Jacobi polynomials

被引:0
作者
V. E. Gorin
G. I. Olshanski
机构
[1] MIT,Department of Mathematics
[2] Russian Academy of Sciences,Institute for Information Transmission Problems
[3] Russian Academy of Sciences,Institute for Information Transmission Problems
来源
Functional Analysis and Its Applications | 2015年 / 49卷
关键词
Gelfand—Tsetlin graph; determinantal measures; big q-Jacobi polynomials; basic hypergeometric series;
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摘要
We define a novel combinatorial object—the extended Gelfand—Tsetlin graph with cotransition probabilities depending on a parameter q. The boundary of this graph admits an explicit description. We introduce a family of probability measures on the boundary and describe their correlation functions. These measures are a q-analogue of the spectral measures studied earlier in the context of the problem of harmonic analysis on the infinite-dimensional unitary group.
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页码:214 / 217
页数:3
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