Results 11 to 20 of about 856,510 (285)

Ion Beam Analysis and 14C Accelerator Mass Spectroscopy to Identify Ancient and Recent Art Forgeries

open access: yesPhysics, 2022
Forgeries exist in many fields. Money, goods, and works of art have been imitated for centuries to deceive and make a profit. In the field of Cultural Heritage, nuclear techniques can be used to study art forgeries.
Lucile Beck
doaj   +1 more source

Atomic fountains and optical clocks at SYRTE: status and perspectives [PDF]

open access: yes, 2015
In this article, we report on the work done with the LNE-SYRTE atomic clock ensemble during the last 10 years. We cover progress made in atomic fountains and in their application to timekeeping.
Abgrall, M.   +11 more
core   +3 more sources

New results with regard to the Flora bust controversy: radiocarbon dating suggests nineteenth century origin

open access: yesScientific Reports, 2021
Many works of art have been attributed to Leonardo da Vinci (1452–1519), the great artist-scientist-engineer of the Italian Renaissance; however, art historians have struggled to find definitive proof to connect Leonardo to these art pieces.
Ina Reiche, Lucile Beck, Ingrid Caffy
doaj   +1 more source

Laserlight visual cueing device for freezing of gait in Parkinson's disease: a case study of the biomechanics involved [PDF]

open access: yes, 2015
Background: Freezing of gait (FOG) is a serious gait disorder affecting up to two-thirds of people with Parkinson's disease (PD). Cueing has been explored as a method of generating motor execution using visual transverse lines on the floor.
B. Evans   +7 more
core   +1 more source

Hitting Times in Markov Chains with Restart and their Application to Network Centrality [PDF]

open access: yes, 2017
Motivated by applications in telecommunications, computer scienceand physics, we consider a discrete-time Markov process withrestart. At each step the process eitherwith a positive probability restarts from a given distribution, orwith the complementary ...
Avrachenkov, Konstantin   +2 more
core   +6 more sources

Mesure, démesure, des mesures

open access: yesCalenda, 2023
Les journées du Réseau des doctorants en études sportives (REDESP), rencontres interdisciplinaires en sciences humaines et sociales, visent à réunir les doctorant·es, jeunes docteur·es, étudiant·es de master 2, menant des recherches sur les activités physiques et sportives, en France et à l’étranger, autour de la thématique : « Mesure, démesure, des ...
openaire   +1 more source

MESUR [PDF]

open access: yesProceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, 2007
The evaluation of scholarly communication items is now largely a matter of expert opinion or metrics derived from citation data. Both approaches can fail to take into account the myriad of factors that shape scholarly impact. Usage data has emerged as a promising complement to existing methods o fassessment but the formal groundwork to reliably and ...
Johan Bollen   +2 more
openaire   +1 more source

Convex Sobolev inequalities and spectral gap [PDF]

open access: yes, 2005
This note is devoted to the proof of convex Sobolev (or generalized Poincar\'{e}) inequalities which interpolate between spectral gap (or Poincar\'{e}) inequalities and logarithmic Sobolev inequalities.
Bartier, Jean-Philippe, Dolbeault, Jean
core   +4 more sources

Asymptotic description of stochastic neural networks. II - Characterization of the limit law [PDF]

open access: yes, 2014
We continue the development, started in of the asymptotic description of certain stochastic neural networks. We use the Large Deviation Principle (LDP) and the good rate function H announced there to prove that H has a unique minimum mu_e, a stationary ...
Faugeras, Olivier, MacLaurin, James
core   +7 more sources

Adaptation et validation d’échelles concernant les croyances des futurs enseignants et leurs connaissances des recherches à propos du redoublement

open access: yesMesure et Évaluation en Éducation, 2013
Depuis plusieurs décennies, la littérature accumule les études s’intéressant aux conceptions des enseignants et futurs enseignants relatives au redoublement.
Fanny Boraita, Géry Marcoux
doaj   +1 more source

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