Journal
NUMERICAL ALGORITHMS
Volume 49, Issue 1-4, Pages 11-31Publisher
SPRINGER
DOI: 10.1007/s11075-008-9208-5
Keywords
Luigi Gatteschi's work; Asymptotics; Special functions; Zeros; 26C10; 30C15; 33C10; 33C15; 33C45; 41A60
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A good portion of Gatteschi's research publications-about 65%-is devoted to asymptotics of special functions and their zeros. Most prominently among the special functions studied figure classical orthogonal polynomials, notably Jacobi polynomials and their special cases, Laguerre polynomials, and Hermite polynomials by implication. Other important classes of special functions dealt with are Bessel functions of the first and second kind, Airy functions, and confluent hypergeometric functions, both in Tricomi's and Whittaker's form. This work is reviewed here, and organized along methodological lines.
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