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NGC 4337: An overlooked old cluster in the inner disc of the Milky Way
(Oxford University Press, 2014-06)
Galactic open clusters do not survive long in the high-density regions of the inner Galactic disc. Inside the solar ring only 11 open clusters are known with ages older than 1 Gyr. We show here, basing on deep, high-quality ...
A nature-inspired approach to speed up optimum-path forest clustering and its application to intrusion detection in computer networks
(Elsevier B.V., 2015-02-10)
We propose a nature-inspired approach to estimate the probability density function (pdf) used for data clustering based on the optimum-path forest algorithm (OPFC). OPFC interprets a dataset as a graph, whose nodes are the ...
Estudio de las propiedades electrónicas de cúmulos de Pd: un estudio comparativo usando distintas técnicas y aproximaciones
(SOC MEXICANA FISICA, 2008-04)
A systematic study of the colineal and no-colineal magnetic properties and the metallic behavior in free standing clusters of Pd-N (2 <= N <= 21) is carried out. We also study the effect of the twinning in clusters on the ...
New field decontamination method based on variable cells in the cluster Colour-Magnitude Diagrams
(Asociación Argentina de Astronomía, 2012-06)
We have designed a procedure for cleaning the cluster CMDs from the unavoidable star field contamination which makes use of variable cells in the CMDs. The cells are adjusted in such a way that they result bigger in CMD ...
ELECTRONIC-PROPERTIES OF A CLUSTER-BASED SOLID FORM OF CARBON - C28 HYPERDIAMOND
(American Physical SocCollege PkEUA, 1994)
Shapley Supercluster Survey: Galaxy evolution from filaments to cluster cores
(Royal Astronomical Society, 2015)
We present an overview of a multiwavelength survey of the Shapley Supercluster (SSC;
z ∼ 0.05) covering a contiguous area of 260 h
−2
70 Mpc2 including the supercluster core. The
project main aim is to quantify the ...
On geometry-based statistical channel models for mimo wireless communications
(Arias Olivas, Marvin Rene, 2017-03-27)
The use of wideband Multiple Input Multiple Output (MIMO) communication systems is currently subject to considerable interest. One reason for this is the latest development of 3rd Generation mobile communication systems, ...
Cluster analysis and unsupervised machine learning applied to find open star clusters in the Milky Way
(Universidad de los AndesFísicaFacultad de CienciasDepartamento de Física, 2020)
El objetivo principal de este proyecto es caracterizar cúmulos abiertos en la Vía Láctea por medio de aprendizaje automático no supervisado usando el algoritmo de agrupamiento Density-based spatial clustering of applications ...