Results 31 to 40 of about 21,263 (317)
Recurrence relations satisfied by some arithmetic groups
Open MathematicsRecently, recurrence relations satisfied by the modular traces of the Hauptmodul for Γ0(N){\Gamma }_{0}\left(N) of genus zero have been established. However, these relations do not determine all values of the modular traces.
Kang Hee Doo +2 more
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A Modern Roman‐Inspired Concrete with Daytime Radiative Cooling Capacity
Advanced Science, EarlyView.Coolcrete, inspired by ancient Roman concrete, is a new cementitious material with photonic properties enabling passive daytime radiative cooling. Made from quicklime and zeolites, it reduces cooling energy demand, lowers CO2 emissions, and may eliminate urban heat islands.
Jorge S. Dolado +11 more
wiley +1 more source
Recurrence relations for modified moments
Revista Técnica de la Facultad de Ingeniería, 2011 Véase archivo PDF.
S. Lewanowicz
doaj
A recurrence relation for the square root
Journal of Approximation Theory, 1973 AbstractThe behavior of the sequence xn + 1 = xn(3N − xn2)2N is studied for N > 0 and varying real x0. When 0 < x0 < (3N)12 the sequence converges quadratically to N12. When x0 > (5N)12 the sequence oscillates infinitely. There is an increasing sequence βr, with β−1 = (3N)12 which converges to (5N)12 and is such that when βr < x0 < βr + 1 the sequence {
John Todd, W.G Hwang
openaire +2 more sources
Advanced Energy Materials, EarlyView.This perspective highlights how machine learning accelerates sustainable energy materials discovery by integrating quantum‐accurate interatomic potentials with property prediction frameworks. The evolution from statistical methods to physics‐informed neural networks is examined, showcasing applications across batteries, catalysts, and photovoltaics ...
Kwang S. Kim
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Revisiting some r-Fibonacci sequences and Hessenberg matrices [PDF]
Notes on Number Theory and Discrete MathematicsThe relationship between different generalizations of Fibonacci numbers and matrices is common in the literature. However, the basic relation of such sequences with Hessenberg matrices is often not properly explored.
Carlos M. da Fonseca +2 more
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Advanced Energy Materials, EarlyView.Component‐level engineering in alkaline water electrolysis (AWE) is systematically analyzed, highlighting strategies in porous electrodes, bubble management, membranes, and flow fields to overcome mass‐transport bottlenecks. By linking microstructural design to multi‐scale ionic and gas transport, this Review establishes design principles that connect ...
Qian Zhang +9 more
wiley +1 more source
On a Family of 2-Variable Orthogonal Krawtchouk Polynomials
Symmetry, Integrability and Geometry: Methods and Applications, 2010 We give a hypergeometric proof involving a family of 2-variable Krawtchouk polynomials that were obtained earlier by Hoare and Rahman [SIGMA 4 (2008), 089, 18 pages] as a limit of the 9−j symbols of quantum angular momentum theory, and shown to be ...
F. Alberto Grünbaum, Mizan Rahman
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New Specific and General Linearization Formulas of Some Classes of Jacobi Polynomials
Mathematics, 2020 The main purpose of the current article is to develop new specific and general linearization formulas of some classes of Jacobi polynomials. The basic idea behind the derivation of these formulas is based on reducing the linearization coefficients which ...
Waleed Mohamed Abd-Elhameed, Afnan Ali
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In Situ Graph Reasoning and Knowledge Expansion Using Graph‐PRefLexOR
Advanced Intelligent Discovery, EarlyView.Graph‐PRefLexOR is a novel framework that enhances language models with in situ graph reasoning, symbolic abstraction, and recursive refinement. By integrating graph‐based representations into generative tasks, the approach enables interpretable, multistep reasoning.
Markus J. Buehler
wiley +1 more source