A Remark On Filter Regularity
A remark on filter regularity.
A representation of Sheffer polynomials in terms of a differential equation for their generating functions.
A representation of Sheffer polynomials in terms of a differential equation for their generating functions. (Short Communication).
A restricted random walk defined via a Fibonacci process.
A Riordan array proof of a curious identity.
A Schröder generalization of Haglund's statistic on Catalan paths.
A Sequence of Exponential Numbers
A series transformation formula and related polynomials.
A sextuple product identity with applications.
A sharp bound for the reconstruction of partitions.
A sharp inequality involving the psi function.
A short proof, based on mixed volumes, of Liggett's theorem on the convolution of ultra-logconcave sequences.
A short proof of a series evaluation in terms of harmonic numbers.
A short proof of the rook reciprocity theorem.
A short WZ-style proof of Abel's identity.
A simple bijection between binary trees and colored ternary trees.
A simple card guessing game revisited.
A simple proof of the Aztec diamond theorem.
A solution of Dedekind's problem on the number of isotone Boolean functions.