Results 151 to 160 of about 3,308 (188)

The Classical Umbral Calculus

SIAM Journal on Mathematical Analysis, 1994
In this paper the authors, Rota and Taylor, present a simple and rigorous treatment of umbral calculus which has been discussed in the past, among others, by J. Blissard, E. T. Bell, and J. Riordan. The basic construct here is a polynomial ring in several variables, on which no less than three equivalence relations are defined.
Rota, G.-C., Taylor, B. D.
openaire   +1 more source

Umbral Calculus in Hilbert Space

1998
No abstract.
Di Bucchianico, A.   +2 more
openaire   +2 more sources

Natural Exponential Families and Umbral Calculus

1998
We use the Umbral Calculus to investigate the relation between natural exponential families and Sheffer polynomials. As a corollary, we obtain a new transparent proof of Feinsilver’s theorem which says that natural exponential families have a quadratic variance function if and only if their associated Sheffer polynomials are orthogonal.
Di Bucchianico, A., Loeb, D.E.
openaire   +2 more sources

Frobenius Endomorphisms in the Umbral Calculus

Studies in Applied Mathematics, 1980
Frobenius operators Fn are introduced on sequences of binomial type. The Laguerre polynomials are essentially characterized by the property that Fn coincides with n‐fold binomial convolution.
openaire   +2 more sources

The Umbral Calculus

Mathematical Social Sciences, 1986
openaire   +1 more source

Multivariate Umbral calculus

Linear and Multilinear Algebra, 1978
openaire   +1 more source

On conformable fractional calculus

Journal of Computational and Applied Mathematics, 2015
Thabet Abdeljawad
exaly  

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