Results 61 to 70 of about 612 (176)

Recursive initial value problems for Sheffer sequences

open access: yesDiscrete Mathematics, 1999
The combinatorial problem addressed in this paper is the enumeration of certain lattice paths. The paths of interest are those which take unit steps in the North and East directions and have weighted left turns (East followed by North). Furthermore, such paths are restricted to lie either entirely above or entirely below a line of positive slope.
openaire   +2 more sources

Powers under umbral composition and degeneration for Sheffer sequences [PDF]

open access: yesAdvances in Difference Equations, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kim, Dae San   +3 more
openaire   +3 more sources

The Effect of Education on Evidence‐Based Practice Implementation Among Nurse Leaders: A Mixed‐Methods Systematic Review

open access: yesInternational Nursing Review, Volume 73, Issue 1, March 2026.
ABSTRACT Aim This mixed methods systematic review explored the effect of education on the implementation of evidence‐based practice among nurse leaders within healthcare settings. Introduction Education influences nurse leaders’ ability to implement evidence‐based practice.
Dawn M. Horsom   +3 more
wiley   +1 more source

Shifting Property for Riordan, Sheffer and Connection Constants Matrices. [PDF]

open access: yes, 2017
We study the shifting property of a matrix $ R = [r_{n,k}]_{n,k\geq0} $ and a sequence $ (h_n)_{n\in\mathbb{N} } $, i.e., the identity \begin{displaymath} \sum_{k=0}^n r_{n,k} h_{k+1} = \sum_{k=0}^n r_{n+1,k+1} h_k \, , \end{displaymath} when R is ...
MUNARINI, EMANUELE
core  

Watch to Edit: Video Retargeting using Gaze [PDF]

open access: yes, 2018
We present a novel approach to optimally retarget videos for varied displays with di ering aspect ratios by preserving salient scene content discovered via eye tracking.
Kumar, Moneish   +3 more
core   +1 more source

Zarankiewicz bounds from distal regularity lemma

open access: yesBulletin of the London Mathematical Society, Volume 58, Issue 3, March 2026.
Abstract Since Kővári, Sós and Turán proved upper bounds for the Zarankiewicz problem in 1954, much work has been undertaken to improve these bounds, and some have done so by restricting to particular classes of graphs. In 2017, Fox, Pach, Sheffer, Suk and Zahl proved better bounds for semialgebraic binary relations, and this work was extended by Do in
Mervyn Tong
wiley   +1 more source

Generalized Riordan arrays [PDF]

open access: yes, 2008
In this paper, we generalize the concept of Riordan array. A generalized Riordan array with respect to cn is an infinite, lower triangular array determined by the pair (g(t),f(t)) and has the generic element dn,k=[tn/cn]g(t)(f(t))k/ck, where cn is a ...
Tianming Wang   +3 more
core   +1 more source

Rapid ecological and evolutionary divergence during a poleward range expansion

open access: yesEcological Monographs, Volume 96, Issue 1, February 2026.
Abstract Understanding how species distributions respond to environmental change is a key question in ecology and evolution. While many species are shifting their ranges, the mechanisms driving the extent and rate of these shifts, and the consequences of their establishment in a novel environment, are often poorly understood.
Monica M. Sheffer   +13 more
wiley   +1 more source

© Hindawi Publishing Corp. ON POLYNOMIALS OF SHEFFER TYPE ARISING FROM A CAUCHY PROBLEM [PDF]

open access: yes, 2002
A new sequence of eigenfunctions is developed and studied in depth. These theta polynomials are derived from a recent analytic solution of the canonical Cauchy problem for parabolic equations, namely, the inverse heat conduction problem.
D. G. Meredith
core  

Situated Attention in Political Decision‐Making: A Theoretical Framework and Experimental Test of Politicians' Prioritization of Societal Challenges Across Policy Domains

open access: yesGovernance, Volume 39, Issue 1, January 2026.
ABSTRACT Prioritization between societal issues is a necessary component of political decision‐making at the helm of governance. The attention‐based view explains how performance below aspirations directs political attention to a singular policy domain, but leaves unaddressed how politicians prioritize between multiple performance shortfalls across ...
Amandine Lerusse, Joris van der Voet
wiley   +1 more source

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