Maria Aguieiras Alvarez de Freitas
Instituição:
Universidade Federal do Rio de Janeiro
Centro:
Centro de Ciências Matemáticas e da Natureza
Unidade:
Instituto de Matemática
Departamento:
Departamento de Matemática/Mat
Formação:
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Universidade Federal do Rio de Janeiro
Engenharia de Produção | Doutorado | 2005 - 2009
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Universidade Federal do Rio de Janeiro
Matemática | Mestrado | 1978 - 1983
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Universidade Federal do Rio de Janeiro
Bacharelado em Matemática | Graduação | 1975 - 1977
Laboratórios:
Nenhum laboratório cadastrado
Nuvens de Palavras:
Artigos:
(76.00% artigos com DOI)
| Titulo | DOI | Ano |
|---|---|---|
| Relationships between algebraic connectivity and vertex connectivity | 10.1007/s40314-022-01786-6 | 2022 |
| On (k-+-1)-line graphs of k-trees and their nullities | 10.1016/j.laa.2020.04.008 | 2021 |
| On trees with algebraic connectivity greater than or equal to $$2left( 1-cos left( rac{pi }{7} ight) ight) $$ | 10.1007/s40314-021-01609-0 | 2021 |
| The distance matrix of caterpillar | 10.1016/j.dam.2018.10.018 | 2019 |
| Multiplicities of distance Laplacian eigenvalues and forbidden subgraphs | 10.1016/j.laa.2017.11.031 | 2018 |
| New Lower Bounds for the Randic Spread | 10.1016/j.laa.2017.07.037 | 2018 |
| Spectra, signless Laplacian and Laplacian spectra of complementary prisms of graphs | 10.1016/j.laa.2018.01.020 | 2018 |
| DL-integral and DQ-integral graphs | 2017 | |
| Graphs with Maximum Laplacian-Energy-Like Invariant and Incidence Energy | 2016 | |
| Maxima of the Q-index: Graphs with no Ks,t | 10.1016/j.laa.2016.01.047 | 2016 |
| A note on a conjecture for the distance Laplacian matrix | 10.13001/1081-3810.3002 | 2016 |
| An Improved Upper Bound of the Energy of Some Graphs and Matrices | 2015 | |
| Bounds on the entries of the principal eigenvector of the distance signless Laplacian matrix | 10.1016/j.laa.2015.06.003 | 2015 |
| On matrices associated to directed graphs and applications | 10.1016/j.laa.2013.07.005 | 2014 |
| Indices for special classes of trees | 10.1016/j.laa.2013.07.007 | 2014 |
| Integer index in trees of diameter 4 | 10.2298/fil1402241p | 2014 |
| Spectra of graphs obtained by a generalization of the join graph operation | 10.1016/j.disc.2012.10.016 | 2013 |
| Maxima of the Q-index: forbidden 4-cycle and 5-cycle | 2013 | |
| Integer indices and spectral properties for the KKj^n graphs | 2012 | |
| Split non-threshold Laplacian integral graphs | 10.1080/03081080802204584 | 2010 |
| Infinite families of QQ-integral graphs | 10.1016/j.laa.2009.06.029 | 2010 |
| On the oriented incidence energy and decomposable graphs | 10.2298/FIL0903243S | 2009 |
| Laplacian integral graphs in S(a, b) | 10.1016/j.laa.2006.12.004 | 2007 |
| Walks and regular integral graphs | 10.1016/j.laa.2006.11.026 | 2007 |
| A note on the greatest Laplacian eigenvalue of graphs | 2007 |
Eventos:
(4.35% eventos com DOI)
| Titulo | DOI | Ano |
|---|---|---|
| Um estudo sobre a matriz distância de grafos | 2018 | |
| Autovalores distância laplacianos de algumas classes de árvores | 2018 | |
| Um estudo sobre grafos com conectividade algébrica inteira | 2018 | |
| Spectral properties for the distance matrix of a threshold graph | 2018 | |
| A note on trees with the same algebraic connectivity | 2018 | |
| A study on some classes of trees with the same algebraic connectivity | 2018 | |
| A note on graphs with integer algebraic connectivity | 2018 | |
| Spectral properties for the distance matrix of a threshold graph | 2018 | |
| Spectra of complementary prisms | 2018 | |
| Uma nova centralidade: proximidade espectral | 2017 | |
| Estudando a integralidade de grafos Hp-broom-like | 2013 | |
| Simultaneously integral graphs on three associated matrices | 2013 | |
| Integer index of p-broom-like graphs | 2012 | |
| Famílias de grafos não hiperenergéticos | 2010 | |
| Constructing infinite families of ALQ-integral graphs | 2010 | |
| Spectral properties of KK_n ^ j graphs | 2010 | |
| Some infinite families of Q-integral graphs | 2009 | |
| On Q-spectral integral variation | 10.1016/j.endm.2009.11.034 | 2009 |
| Variação Q-espectral inteira em apenas um lugar é impossível | 2008 | |
| New infinite families of Q-integral graphs | 2008 | |
| A note on the Laplacian index of graphs | 2007 | |
| Laplacian integral graphs in (a, b)-linear classes | 2006 | |
| O Estado da Arte dos Grafos Integrais | 2005 |