Search results for "NEA"
showing 10 items of 16082 documents
Cooperative spectrum sensing schemes for future dynamic spectrum access infrastructures
2016
Spectroscopy of short-lived radioactive molecules
2020
Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of nature and the search for new particle physics beyond the standard model1–4. Radioactive molecules—in which one or more of the atoms possesses a radioactive nucleus—can contain heavy and deformed nuclei, offering high sensitivity for investigating parity- and time-reversal-violation effects5,6. Radium monofluoride, RaF, is of particular interest because it is predicted to have an electronic structure appropriate for laser cooling6, thus paving the way for its use in high-precision spectroscopic studies. Furthermore, the effects of symmetry-violating nuclear moments are strongly enhanced5,7–9 in molecu…
Ethos balneare
2021
Il saggio parte dal libro di Christian Uva "L'ultima spiaggia. Rive e derive del cinema italiano" per esplorare il ruolo del topos "spiaggia" nella produzione cinematografica italiana nelle sue implicazioni estetiche e politiche
Sporta sacensību plānošana lietojot lineāro programmēšanu
2018
Darbā tiek analizēts diskrētās programmēšanas modelis sporta apļa turnīra grafika izveidei, minimizējot novirzi starp komandu priekšrocību sarakstu un rezultējošo grafiku. Tiek apskatīti speciālie matemātiskie rīki, lai panāktu stabilu risinājumu sacensību plānošanas problēmai. Īpaša uzmanība tiek pievērsta stabilitātes nosacījumam šī modeļa kontekstā. Tiek definēti komandu priekšrocību veidi un meklēti stabili un nestabili grafiki turnīriem pie dažādām priekšrocībām.
Tra Cielo e Mare. Lo Stabilimento balneare di Mondello
2009
Optical quality of hyperopic and myopic phakic intraocular lenses
2013
Aims: To assess and compare the optical quality of the myopic and hyperopic implantable collamer lens (ICL) from its wavefront aberrations for different powers and pupil diameters. Settings and Design: Prospective study. Material and Methods: The wavefront aberrations of two myopic (−3 and −6 diopters (D)) and two hyperopic V4b ICLs (+3 and +6D) were measured in vitro . To assess and compare the optical quality of different powers of ICLs, we analyzed the root mean square (RMS) of total higher order aberrations (HOAs), trefoil, coma, tetrafoil, secondary astigmatism, and spherical aberration at 3- and 4.5-mm pupil. In addition, the point spread functions (PSFs) of each ICL evaluated were ca…
Building the space: vaults’ geometry and stereotomy. Materials and architectural technologies in the Mediterranean area
2018
Costruire una volta ha sempre nei secoli rappresentato un’arte pratica che si nutriva del contributo di chi operava in cantiere: indispensabile risultava la tecnica, il sapiente taglio della pietra e l’opportuna collocazione della stessa nel gioco statico dell’organismo murario. Un sapere tecnico, questo, che combinava l’estetica con la organizzazione strutturale della fabbrica costruenda; l’esperienza pratica aveva dettato a muratori e scalpellini i precetti in merito ai differenti compiti organizzativi e alle relative gerarchie degli esecutori dell’opera edilizia, all’attrezzature e alle macchine da cantiere, agli utensili e alle lavorazioni da usare, incentivando una spiccata attitudine …
Inferring directionality of coupled dynamical systems using Gaussian process priors: Application on neurovascular systems
2022
Dynamical system theory has recently shown promise for uncovering causality and directionality in complex systems, particularly using the method of convergent cross mapping (CCM). In spite of its success in the literature, the presence of process noise raises concern about CCM's ability to uncover coupling direction. Furthermore, CCM's capacity to detect indirect causal links may be challenged in simulated unidrectionally coupled Rossler-Lorenz systems. To overcome these limitations, we propose a method that places a Gaussian process prior on a cross mapping function (named GP-CCM) to impose constraints on local state space neighborhood comparisons. Bayesian posterior likelihood and…
Stability of stochastic nonlinear systems with state-dependent switching
2013
In this paper, the problem of stability on stochastic systems with state-dependent switching is investigated. To analyze properties of the switched system by means of Itô’s formula and Dynkin’s formula, it is critical to show switching instants being stopping times. When the given active-region set can be replaced by its interior, the local solution of the switched system is constructed by defining a series of stopping times as switching instants, and the criteria on global existence and stability of solution are presented by Lyapunov approach. For the case where the active-region set can not be replaced by its interior, the switched systems do not necessarily have solutions, thereby quasi-…
Attraverso le città. Saggio introduttivo
2015
Questo saggio storiografico esamina la storiografia più innovativa sulle letture gendered della costruzione sociale dello spazio urbano nella storia moderna e contemporanea e l’uso della città come risorsa con particolare attenzione alla dimensione sovranazionale, di storia comparata e di connected history e al ruolo attivo dei protagonisti degli insediamenti e degli spostamenti che hanno ridisegnato i concetti di spazio e di confine.