On Ward's differential calculus, Riordan matrices and Sheffer polynomials
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DOI: 10.1016/j.laa.2020.09.037
Abstract: Abstract We extend the pattern of behavior of some special sequences of polynomials, related to the usual derivative, to a larger context described by Ward in [44] . We also get some combinatorial properties of… read more here.
Keywords: ward differential; calculus riordan; riordan matrices; sheffer polynomials ... See more keywords
Numerator polynomials of Riordan matrices and generalized Lagrange series
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DOI: 10.1016/j.laa.2021.03.013
Abstract: Abstract Riordan matrices are infinite lower triangular matrices corresponding to the certain operators in the space of formal power series. The nth descending diagonal of the ordinary Riordan matrix and the nth descending diagonal of… read more here.
Keywords: generalized lagrange; numerator polynomials; polynomials riordan; matrices generalized ... See more keywords