Results 21 to 30 of about 216,994 (291)

The Fibonacci sequence and the nature of mathematical discovery: A semiotic perspective

open access: yesSign Systems Studies, 2005
This study looks at the relation between mathematical discovery and semiosis, focusing on the famous Fibonacci sequence. The serendipitous discovery of this sequence as the answer to a puzzle designed by Italian mathematician Leonardo Fibonacci to ...
Marcel Danesi
doaj   +1 more source

Rational Krylov for Stieltjes matrix functions: convergence and pole selection

open access: yes, 2020
Evaluating the action of a matrix function on a vector, that is $x=f(\mathcal M)v$, is an ubiquitous task in applications. When $\mathcal M$ is large, one usually relies on Krylov projection methods.
Massei, Stefano, Robol, Leonardo
core   +1 more source

PENDIDIKAN SENI: PERGULATAN SUATU MAKNA

open access: yesJurnal Filsafat, 2013
The very fact that painting was for Leonardo such an axtraordinary synthesis of different elements brings him closer o nature, in that he claims for the painter the role of universal being and the ability to use the creative impulse to mirror nature ...
Kardi Laksono
doaj   +1 more source

From vocational training to education: the development of a no-frontiers education policy for Europe? [PDF]

open access: yes, 2007
This article focuses on developments towards an EU educational policy. Education was not included as one of the Community competencies in the Treaty of Rome.
Barnard C.   +20 more
core   +1 more source

Hybrinomials related to hyper-Leonardo numbers

open access: yesCommunications Faculty Of Science University of Ankara Series A1Mathematics and Statistics, 2023
In this paper, we define hybrinomials related to hyper-Leonardo numbers. We study some of their properties such as the recurrence relation and summation formulas. In addition, we introduce hybrid hyper Leonardo numbers.
Efruz Özlem MERSİN, Mustafa BAHŞİ
openaire   +3 more sources

«Arte al servizio di un’idea». Il ruolo dell’“Esposizione dell’Aeronautica italiana” (1934) nel dialogo tra arte, architettura, politica e pubblico / «Arte al servizio di un’idea» (Art at an idea’s service). The role of the “Esposizione dell’Aeronautica italiana” (1934) in the dialogue between art, architecture, politics and public

open access: yesIl Capitale Culturale: Studies on the Value of Cultural Heritage, 2016
Nel panorama delle mostre di regime, l’”Esposizione dell’Aeronautica italiana”, allestita a Milano nel 1934, occupa un posto di grande rilievo politico e artistico.
Orietta Lanzarini
doaj   +1 more source

A new perspective on bicomplex numbers with Leonardo number components

open access: yesCommunications Faculty Of Science University of Ankara Series A1Mathematics and Statistics, 2023
In the present paper, the bicomplex Leonardo numbers will be introduced with the use of Leonardo numbers and some important algebraic properties including recurrence relation, generating function, Catalan’s and Cassini’s identities, Binet’s formula, sum formulas will also be obtained.
Murat TURAN   +2 more
openaire   +2 more sources

Regulation of arginine transport by GCN2 eIF2 kinase is important for replication of the intracellular parasite Toxoplasma gondii [PDF]

open access: yes, 2019
Toxoplasma gondii is a prevalent protozoan parasite that can infect any nucleated cell but cannot replicate outside of its host cell. Toxoplasma is auxotrophic for several nutrients including arginine, tryptophan, and purines, which it must acquire from ...
Amin, Parth H.   +3 more
core   +2 more sources

Art, retard, hasard

open access: yesTemporalités, 2017
In some poïetic narratives, artists in their perceptive experience happen upon a solution to an artistic problem when they least expect it and in unexpected places, after a time of emptiness due to a delay or unwanted circumstance. From Leonardo da Vinci
Claire Labastie
doaj   +1 more source

Retrospective Efficacy and Cost-Containment Assessment of 10 kHz Spinal Cord Stimulation (SCS) in Non-Surgical Refractory Back Pain Patients

open access: yesJournal of Pain Research, 2022
Leonardo Kapural,1 Aaron Calodney2 1Carolinas Pain Institute, Winston-Salem, NC, USA; 2Precision Spine Care, Tyler, TX, USACorrespondence: Leonardo Kapural, Email lkapuralmd@gmail.comBackground: Non-surgical refractory back pain (NSRBP) is persistent ...
Kapural L, Calodney A
doaj  

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