A characterization of the four Chebyshev orthogonal families
Author(s) -
E. Berriochoa,
A. Cachafeiro,
J. García-Amor
Publication year - 2005
Publication title -
international journal of mathematics and mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 39
eISSN - 1687-0425
pISSN - 0161-1712
DOI - 10.1155/ijmms.2005.2071
Subject(s) - mathematics , chebyshev polynomials , orthogonal polynomials , chebyshev nodes , chebyshev filter , characterization (materials science) , constant (computer programming) , polynomial , property (philosophy) , combinatorics , pure mathematics , discrete mathematics , mathematical analysis , philosophy , materials science , epistemology , computer science , programming language , nanotechnology
We obtain a property which characterizes the Chebyshev orthogonal polynomials of first, second, third, and fourth kind. Indeed, we prove that the four Chebyshev sequences are the unique classical orthogonal polynomial families such that their linear combinations, with fixed length and constant coefficients, can be orthogonal polynomial sequences
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