Results 31 to 40 of about 760,132 (338)

Análise de cocitação de autores: um estudo teórico-metodológico dos indicadores de proximidade, aplicados ao GT7 da ANCIB │ Authors’ co-citation analysis: a theoretical- methodological study of proximity indicators applied to GT7 of ANCIB

open access: yesLiinc em Revista, 2013
Resumo Este estudo, de natureza teórico-metodológica, objetiva analisar os indicadores de proximidade absolutos e relativos - Cosseno de Salton e Índice de Jaccard-, para análise de cocitação de autores, e comparar sua contribuição para o entendimento de
Maria Cláudia Cabrini Grácio   +1 more
doaj   +1 more source

Proximity-induced unconventional superconductivity in topological insulators

open access: yes, 2013
We study and classify the proximity-induced superconducting pairing in a topological insulator (TI)-superconductor (SC) hybrid structure for SCs with different symmetries.
Balatsky, Alexander V.   +1 more
core   +1 more source

Surface acoustic waves for acousto-optic modulation in buried silicon nitride waveguides [PDF]

open access: yes, 2019
We theoretically investigate the use of Rayleigh surface acoustic waves (SAWs) for refractive index modulation in optical waveguides consisting of amorphous dielectrics.
Boller, Klaus-J.   +2 more
core   +3 more sources

ON THE PROXIMATE ORDER OF AN ENTIRE FUNCTION WITH INDEX PAR

open access: yesDemonstratio Mathematica, 1988
Let \(f(z)\) be an entire function of \((p,q)\)-order \(\rho\) and \(w(r)\), defined on \((0,\infty)\), be a proximate order of \(f(z)\) satisfying \[ \lim_{r\to \infty}w(r) = \rho,\quad \lim_{r\to \infty}w'(r)F_{[q]}(r) = 0 \] where \[ F_{[q]}(r) = \prod^{q}_{i=0}\log^{[i]}x,\quad \log^{[0]}x=x, \] \[ \log^{[i]}x = \log (\log^{[i-1]}x). \] If \(\phi(r)
Kumar, Naresh, Srivastava, G. S.
openaire   +1 more source

Time-resolved refractive index and absorption mapping of light-plasma filaments in water

open access: yes, 2007
By means of a quantitative shadowgraphic method, we performed a space-time characterization of the refractive index variation and transient absorption induced by a light-plasma filament generated by a 100 fs laser pulse in water.
Amrutha Gopal   +25 more
core   +1 more source

Local Magnetic Activity Index Nowcast Based on Concurrent Measurements at Two Observatories in Close Proximity

open access: yesSpace Weather, 2021
Permanent monitoring and real‐time indexing of the geomagnetic activity is of utmost importance for space weather services. In particular, providing a continuous and reliable local magnetic activity nowcast is of increasing importance as it can be used ...
Tobias G. W. Verhulst   +3 more
doaj   +1 more source

A Semantic Proximity Based System of Arabic Text Indexation [PDF]

open access: yes, 2010
In this paper, we extended the vectorial model of Salton [9], [11], [12] and [14], by adapting the TF-IDF parameter by its combination with the Okapi formula for index terms extraction and evaluation of the in order to identify the relevant concepts which represent a document.
Taher Zaki   +2 more
openaire   +1 more source

KEDEKATAN STRATEGIS INDONESIA DALAM RIVALITAS AS–CINA PASCA COVID-19

open access: yesDinamika Global
This study develops a Proximity Index to measure Indonesia's proximity to the United States and China, particularly after the COVID-19 pandemic. The index integrates three dimensions (economic, military, and diplomatic) to operationalize proximity as a ...
Ahmad Anwar   +1 more
doaj   +1 more source

New bounds on proximity and remoteness in graphs

open access: yesCommunications in Combinatorics and Optimization, 2016
The average distance of a vertex $v$ of a connected graph $G$‎ ‎is the arithmetic mean of the distances from $v$ to all‎ ‎other vertices of $G$‎. ‎The proximity $\pi(G)$ and the remoteness $\rho(G)$‎ ‎of $G$ are defined as the minimum and maximum ...
P‎. ‎Dankelmann
doaj   +1 more source

Scale effects and threshold management in the influence of landscape patterns on non-point source pollution

open access: yesEcological Indicators
The migration of nonpoint source (NPS) pollution is influenced by the resistance cost distance between landscape units and rivers. Understanding the relationship between landscape proximity and riverine pollutants is crucial for optimizing landscape ...
Jianhong Wu   +3 more
doaj   +1 more source

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