Chebyshev polynomials, Catalan numbers, and tridiagonal matrices
Theoretical and Mathematical Physics(2020)
摘要
We establish a relation between linear second-order difference equations corresponding to Chebyshev polynomials and Catalan numbers. The latter are the limit coefficients of a converging series of rational functions corresponding to the Riccati equation. As the main application, we show a relation between the polynomials φ _n(μ) that are solutions of the problem of commutation of a tridiagonal matrix with the simplest Vandermonde matrix and Chebyshev polynomials.
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关键词
Chebyshev polynomial,tridiagonal matrix
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