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New lower bounds for the Randic spread
Indexado
WoS WOS:000428002500009
Scopus SCOPUS_ID:85041461492
DOI 10.1016/J.LAA.2017.07.037
Año 2018
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Let G = (nu(G), epsilon(G)) be an (n, m)-graph. The Randic spread of G, s(R)(G), is defined as the maximum distance of its Randic eigenvalues, disregarding the Randic spectral radius of G. In this work, we use numerical inequalities and bounds for the matricial spread to obtain relations between this spectral parameter and some structural and algebraic parameters of the underlying graph such as, the sequence of vertex degrees, the nullity, Randic index, generalized Randic indices and its independence number. In the last section a comparison is presented for regular graphs. (C) 2018 Elsevier Inc. All rights reserved.

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Disciplinas de Investigación



WOS
Mathematics
Mathematics, Applied
Scopus
Algebra And Number Theory
Geometry And Topology
Discrete Mathematics And Combinatorics
Numerical Analysis
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Andrade, Enide - Univ Aveiro - Portugal
Centro de Investigação e Desenvolvimento em Matemática e Aplicações - Portugal
2 de Freitas, Maria Aguieiras A. Mujer UNIV FED RIO DE JANEIRO - Brasil
Universidade Federal do Rio de Janeiro - Brasil
3 ROBBIANO-BUSTAMANTE, MARIA ROSARIO Mujer Universidad Católica del Norte - Chile
4 Rodriguez, Jonnathan - Universidad Católica del Norte - Chile

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Financiamiento



Fuente
National Natural Science Foundation of China
CONICYT-PCHA
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Fundação para a Ciência e a Tecnologia
National Key Research and Development Program
Fundação para a Ciência e a Tecnologia
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Instituto Nacional de Ciência e Tecnologia para Excitotoxicidade e Neuroproteção
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Fundação Cearense de Apoio ao Desenvolvimento Científico e Tecnológico
FCT-Fundação para a Ciência e a Tecnologia
project VRIDT-UCN
Portuguese Foundation for Science and Technology (FCT-Fundacao para a Ciencia e a Tecnologia) through CIDMA - Center for Research and Development in Mathematics and Applications
Jiangsu Provincial Natural Science Foundation of China
National Counsel of Technological and Scientific Development (CNPq-Conselho Nacional de Desenvolvimento Cientifico e Tecnologico)
FAPERJ (Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro)
CNPq-Conselho Nacional de Desenvolvimento Cientifico e Tecnologico

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
Enide Andrade was supported in part by the Portuguese Foundation for Science and Technology (FCT-Fundacao para a Ciencia e a Tecnologia), through CIDMA - Center for Research and Development in Mathematics and Applications, within project UID/MAT/04106/2013. M. Robbiano was partially supported by project VRIDT-UCN 16115 and she is grateful to hospitality of Universidade de Aveiro, Department of Mathematics, where this work was innitiated. J. Rodriguez was supported by CONICYT-PCHA/Doctorado National/2015-21150477. M.A.A. de Freitas was partially supported by National Counsel of Technological and Scientific Development (CNPq-Conselho Nacional de Desenvolvimento Cientifico e Tecnologico) and FAPERJ (Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro).
Enide Andrade was supported in part by the Portuguese Foundation for Science and Technology (FCT-Fundação para a Ciência e a Tecnologia), through CIDMA – Center for Research and Development in Mathematics and Applications, within project UID/MAT/04106/2013 . M. Robbiano was partially supported by project VRIDT-UCN 16115 and she is grateful to hospitality of Universidade de Aveiro, Department of Mathematics, where this work was innitiated. J. Rodríguez was supported by CONICYT-PCHA /Doctorado Nacional/ 2015-21150477 . M.A.A. de Freitas was partially supported by National Counsel of Technological and Scientific Development (CNPq-Conselho Nacional de Desenvolvimento Científico e Tecnológico) and FAPERJ (Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro).

Muestra la fuente de financiamiento declarada en la publicación.