Publications

  1. S. Pirzada,  R. Ul Shaban, H. Ganie, L. de Lima, On the Ky Fan norm of the signless Laplacian matrix of a graph. Computational and Applied Mathematics, v. 43, 26, 2024.
  2. R. Macharete, R. Del-Vecchio, H. Teixeira, L. de Lima, Laplacian eigenbasis for threshold graphs, Special Matrices, v. 12, p. 20240029, 2024.
  3. R. do Carmo, G. Ferreira, P.H. Campelo, L.C. Resende,L. de Lima, F. Henriques, D. Haddad, Sparsity-aware distributed adaptive filtering with robustness against impulsive noise and low SNR. Telecommunications Systems, v. 1, p. 1-11, 2024.
  4. Assumpção, Georgia de Souza; Santos, Carolina Maia dos; Campello, Daniele; de Lima, Leonardo; Castro, Alexandre de Carvalho . A proposal of teaching operational research in online contexts: An experience with SageMath in Brazil. Engineering Reports, v. 1, p. 1-17, 2024.
  5. Alencar, Jorge ; de Lima, Leonardo ; Nikiforov, Vladimir . On graphs with eigenvectors in {1,−1,0} and the max k-cut problem. Linear Algebra and its Applications, v. 663C, p. 222-240, 2023.
  6. Abiad, Aida ; de Lima, Leonardo ; Desai, Dheer Noal ; Guo, Krystal ; Hogben, Leslie; Madrid, José . Positive and negative square energies of graphs. The Electronic Journal Of Linear Algebra, v. 39, p. 307-326, 2023. 
  7. Brito, José André ; Semaan, Gustavo ; De Lima, Leonardo ; Fadel, Augusto. Heuristic algorithm for univariate stratification problem. Rairo-Operations Research , v. 57, p. 3033-3060, 2023.
  8. Abiad, Aida ; Lima, Leonardo De ; Kalantarzadeh, Sina ; Mohammadi, Mona ; Oliveira, Carla . Bounding the sum of the largest signless Laplacian eigenvalues of a graph. Discrete Applied Mathematics, v. 340, p. 315-326, 2023.
  9. Brito, Jose ; Semaan, Gustavo ; Fadel, Augusto ; De Lima, Leonardo ; Maculan, Nelson . Mathematical programming formulations for the optimal stratification problem. Communications in Statistics. Simulation and Computation, v. 1, p. 1-22, 2022.
  10. Novanta, Anderson Fernandes ; de Lima, Leonardo ; Oliveira, Carla Silva . Q-integral graphs with at most two vertices of degree greater than or equal to three. Linear Algebra And Its Applications , v. 614, p. 144-163, 2021.
  11. Akbari, S. ; França, F.A.M. ; Ghasemian, E. ; Javarsineh, M. ; de Lima, L.S. . The main eigenvalues of signed graphs. Linear Algebra And Its Applications , v. 614, p. 270-280, 2021.
  12. Alencar, Jorge ; de Lima, Leonardo . On graphs with adjacency and signless Laplacian matrices eigenvectors entries in {−1,+1}. Linear Algebra And Its Applications, v. 614, p. 301-315, 2021.
  13. Pacheco, D. J. ; De Lima, L. S. ; Oliveira, C. . On the Graovac-Ghorbani Index for Bicyclic Graphs with No Pendant Vertices. MATCH-Communications in Mathematical and in Computer Chemistry, v. 86, p. 429-448, 2021.
  14. Brito, J. A. ; De Lima, L.S. ; Maculan, N. ; Gonzales, P. ; Oliveira, B. . Heuristic approach applied to the optimum stratification problem. Rairo-Operations Research, v. 55, p. 979-996, 2021.
  15. Novanta, Anderson Fernandes ; Oliveira, Carla Silva ; de Lima, Leonardo Silva . Laplacian integral graphs with a given degreee sequence constraint. Proyecciones Journal of Mathematics, v. 40, p. 1431-1448, 2021.
  16. Alencar, Jorge ; de Lima, Leonardo . On the domination polynomial of a digraph: a generation function approach. Proyecciones Journal of Mathematics, v. 40, p. 1587-1602, 2021.
  17. de Lima, L.S.; Mohammadian, A. ; Oliveira, C. S. . On integral graphs with at most two vertices of degree larger than two. Linear Algebra And Its Applications, v. 584, p. 164-184, 2020.
  18. Abreu, N.M.M. ; Alencar, J. ; Brondani, A ; De Lima, Leonardo ; Oliveira, C. . Graphs with all but two eigenvalues in [-2,0]. Discussiones Mathematicae Graph Theory , v. 40, p. 379-391, 2020.
  19. Grijo, R. ; De Lima, L.S. ; Oliveira, C. ; Porto, G. ; Trevisan, V. Nordhaus-Gaddum type inequalities for the two largest Laplacian eigenvalues. Discrete Applied Mathematics , v. 267, p. 176-183, 2019.
  20. Boaventura Netto, P.O. ; de Lima, L.S. ; Caporossi, G. . Exhaustive and Metaheuristic Exploration of Two New Structural Irregularity Measures. Match-Communications In Mathematical And In Computer Chemistry , v. 82, p. 561-580, 2019.
  21. Brondani, André Ebling ; Oliveira, Carla Silva ; França, Francisca Andrea Macedo ; de Lima, Leonardo. A-Spectrum of a Firefly Graph. Electronic Notes In Theoretical Computer Science , v. 346, p. 209-219, 2019.
  22. Brondani, A ; Lima, L. S. ; Abreu, N. M. M. ; Oliveira, C. S. . A note on the Nordhaus-Gaddum type inequality to the second largest eigenvalue of a graph. Applicable Analysis and Discrete Mathematics , v. 11, p. 123-135, 2017.
  23. de Lima, Leonardo; Nikiforov, Vladimir ; Oliveira, Carla . The clique number and the smallest eigenvalue of the signless Laplacian. Discrete Mathematics , v. 339, p. 1744-1752, 2016.
  24. Amaro, Bruno ; De Lima, Leonardo ; Oliveira, Carla ; Lavor, Carlile ; Abreu, Nair . A note on the sum of the largest signless Laplacian eigenvalues. Electronic Notes in Discrete Mathematics , v. 54, p. 175-180, 2016.
  25. Salles, Rebecca ; Mattos, Patricia; Iorgulescu, Ana-Maria Dubois ; Bezerra, Eduardo ; Lima, Leonardo; Ogasawara, Eduardo. Evaluating Temporal Aggregation for Predicting the Sea Surface Temperature of the Atlantic Ocean. Ecological Informatics (Print), v. 36, p. 94-105, 2016.
  26. Oliveira, Carla Silva ; de Lima, Leonardo . A lower bound for the sum of the two largest signless Laplacian eigenvalues. Electronic Notes in Discrete Mathematics , v. 55, p. 173-176, 2016.
  27. de Lima, L. S.; Mohammadian, A. ; Oliveira, C. S. . The non-bipartite graphs with all but two eigenvalues in [-1, 1]. Linear and Multilinear Algebra , v. 65, p. 526-544, 2016.
  28. Pavan, C. ; de Lima, Leonardo Silva ; Paiva, M.H.M. ; Segatto, M. . How Reliable Are the Real-World Optical Transport Networks?. Journal of Optical Communications and Networking (Print) , v. 7, p. 578-585, 2015.
  29. Carvalho, P. ; de Lima, Leonardo Silva ; Oliveira, C. ; P. Rama . Extremal graphs for the sum of the two largest signless Laplacian eigenvalues. Electronic Journal of Linear Algebra , v. 30, p. 605-612, 2015.
  30. de Lima, Leonardo Silva; Teixeira, L. ; Abreu, N.M.M. . Modelos de Redes Confiáveis. Sistemas & Gestão , v. 9, p. 488-494, 2014.
  31. de Lima, Leonardo Silva; Nikiforov, Vladimir . On the second largest eigenvalue of the signless Laplacian. Linear Algebra And Its Applications , v. 438, p. 1215-1222, 2013.
  32. Chrispino, A.; de Lima, Leonardo Silva; Albuquerque, M.B. ; Freitas, A.C. ;da Silva, M.A.  A área CTS no Brasil vista como rede social: onde aprendemos?. Ciência & Educação , v. 19, p. 455-479, 2013.
  33. Chrispino, A. ; de Lima, Leonardo Silva ; Albuquerque, M.B. . Vendo CTS como rede:as publicações mais prestigiadas no Brasil. Enseñanza de las Ciencias, v. extra, p. 919, 2013.
  34. Souza, Cristina Gomes de ; Barbastefano, Rafael Garcia ; Lima, Leonardo Silva de . Redes de colaboração científica na área de química no Brasil: um estudo baseado nas coautorias dos artigos da revista Química Nova. Química Nova (Impresso), v. 35, p. 671-676, 2012.
  35. Oliveira, A. J. ; de Lima, Leonardo Silva ; Abreu, N.M.M. . On the spread and the chromatic number of a graph. Congressus Numerantium , v. 212, p. 57-64, 2012.
  36. de Lima, Leonardo Silva; Oliveira, Carla Silva ; de Abreu, Nair Maria Maia ; Nikiforov, Vladimir . The smallest eigenvalue of the signless Laplacian. Linear Algebra and its Applications, v. 435, p. 2570-2584, 2011.
  37. Oliveira, Carla Silva ; de Lima, Leonardo Silva ; de Abreu, Nair Maria Maia ; Hansen, Pierre . Bounds on the index of the signless Laplacian of a graph. Discrete Applied Mathematics, v. 158, p. 355-360, 2010.
  38. Oliveira, Carla Silva ; de Lima, Leonardo Silva ; de Abreu, Nair Maria Maia ; Kirkland, Steve . Bounds on the Q-spread of a graph. Linear Algebra and its Applications , v. 432, p. 2342-2351, 2010.
  39. Lima, L. S.; Abreu, N.M.M. ; Oliveira, C. ; Aguieiras, M. . Laplacian integral graphs in S(a,b). Linear Algebra and its Applications , v. 423, p. 136-145, 2007.
  40. Lima, L. S.; Abreu, N.M.M. ; Moraes, P. E. ; Serta, C. . Some properties of graphs in (a,b)-linear classes. Congressus Numerantium, Canada, v. 166, p. 43-51, 2004.

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