All Stories

  1. Desenvolvimento de uma Metodologia para a Coleta e Identificação de Atos Administrativos de Interesse nos Diários Oficiais dos Jurisdicionados do Tribunal de Contas do Estado do Rio de Janeiro (TCE-RJ)

    Article • Síntese, December 2025, Tribunal de Contas do Estado do Rio de Janeiro

    Prof Leonardo Silva de Lima

  2. Dr. Strange, Artisanisation, and the Percolative Artificial Intelligence: Where Should We Go?

    Article • International Journal of Cardiovascular Sciences, January 2025, Sociedade Brasileira de Cardiologia

    Prof Leonardo Silva de Lima

  3. On the Ky Fan norm of the signless Laplacian matrix of a graph

    Article • Computational and Applied Mathematics, December 2023, Springer Science + Business Media

    Prof. Shariefuddin Pirzada, Prof Leonardo Silva de Lima

  4. Heuristic algorithm for univariate stratification problem

    Article • RAIRO - Operations Research, November 2023, EDP Sciences

    Prof Leonardo Silva de Lima

  5. On graphs with eigenvectors in {−1,0,1} and the max k-cut problem

    Article • Linear Algebra and its Applications, April 2023, Elsevier

    Prof Leonardo Silva de Lima

  6. Mathematical programming formulations for the optimal stratification problem

    Article • Communications in Statistics - Simulation and Computation, July 2022, Taylor & Francis

    Prof Leonardo Silva de Lima

  7. Laplacian integral graphs with a given degreee sequence constraint

    Article • Proyecciones (Antofagasta), June 2021, Universidad Catolica del Norte - Chile

    Prof Leonardo Silva de Lima

  8. Laplacian integral graphs with a given degreee sequence constraint

    Article • Proyecciones (Antofagasta), June 2021, Universidad Catolica del Norte - Chile

    Prof Leonardo Silva de Lima

  9. On graphs with adjacency and signless Laplacian matrices eigenvectors entries in {−1,+1}

    Article • Linear Algebra and its Applications, April 2021, Elsevier

    Prof Leonardo Silva de Lima

  10. The main eigenvalues of signed graphs

    Article • Linear Algebra and its Applications, April 2021, Elsevier

    Prof Leonardo Silva de Lima

  11. Q-integral graphs with at most two vertices of degree greater than or equal to three

    Article • Linear Algebra and its Applications, April 2021, Elsevier

    Prof Leonardo Silva de Lima

  12. Heuristic approach applied to the optimum stratification problem

    Article • RAIRO - Operations Research, March 2021, EDP Sciences

    Prof Leonardo Silva de Lima

  13. Characterization of all graphs with all but two eigenvalues in the interval -2 to 0.

    Article • Discussiones Mathematicae Graph Theory, January 2020, Faculty of Mathematics, Computer Science and Econometrics, University of Zielona Gora

    Prof Leonardo Silva de Lima

  14. On integral graphs with at most two vertices of degree larger than two

    Article • Linear Algebra and its Applications, January 2020, Elsevier

    Prof Leonardo Silva de Lima

  15. Nordhaus–Gaddum type inequalities for the two largest Laplacian eigenvalues

    Article • Discrete Applied Mathematics, August 2019, Elsevier

    Prof Leonardo Silva de Lima

  16. A -Spectrum of a Firefly Graph

    Article • Electronic Notes in Theoretical Computer Science, August 2019, Elsevier

    Prof Leonardo Silva de Lima

  17. Evaluating the Complementarity of Communication Tools for Learning Platforms

    Article • January 2018, Scitepress

    Prof Leonardo Silva de Lima

  18. A note on the Nordhaus-Gaddum type inequality to the second largest eigenvalue of a graph

    Article • Applicable Analysis and Discrete Mathematics, January 2017, National Library of Serbia

    Prof Leonardo Silva de Lima

  19. A lower bound for the sum of the two largest signless Laplacian eigenvalues

    Article • Electronic Notes in Discrete Mathematics, November 2016, Elsevier

    Prof Leonardo Silva de Lima

  20. Evaluating temporal aggregation for predicting the sea surface temperature of the Atlantic Ocean

    Article • Ecological Informatics, November 2016, Elsevier

    Prof Leonardo Silva de Lima

  21. A note on the sum of the largest signless Laplacian eigenvalues

    Article • Electronic Notes in Discrete Mathematics, October 2016, Elsevier

    Prof Leonardo Silva de Lima

  22. The non-bipartite graphs with all but two eigenvalues in [–1, 1]

    Article • Linear and Multilinear Algebra, June 2016, Taylor & Francis

    Prof Leonardo Silva de Lima

  23. The clique number and the smallest Q-eigenvalue of graphs

    Article • Discrete Mathematics, June 2016, Elsevier

    Prof Leonardo Silva de Lima

  24. How Reliable Are the Real-World Optical Transport Networks?

    Article • Journal of Optical Communications and Networking, May 2015, Optical Society of America (OSA)

    Prof Leonardo Silva de Lima

  25. Extremal graphs for the sum of the two largest signless Laplacian eigenvalues

    Article • Electronic Journal of Linear Algebra, February 2015, University of Wyoming Libraries

    Prof Leonardo Silva de Lima

  26. Modelos de Redes Confiáveis

    Article • Sistemas & Gestão, January 2014, LATEC

    Prof Leonardo Silva de Lima

  27. On the second largest eigenvalue of the signless Laplacian

    Article • Linear Algebra and its Applications, February 2013, Elsevier

    Prof Leonardo Silva de Lima

  28. Redes de colaboração científica na área de química no Brasil: um estudo baseado nas coautorias dos artigos da revista Química Nova

    Article • Química Nova, January 2012, FapUNIFESP (SciELO)

    Prof Leonardo Silva de Lima

  29. The smallest eigenvalue of the signless Laplacian

    Article • Linear Algebra and its Applications, November 2011, Elsevier

    Prof Leonardo Silva de Lima

  30. Bounds on the

    Article • Linear Algebra and its Applications, April 2010, Elsevier

    Prof Leonardo Silva de Lima

  31. Bounds on the index of the signless Laplacian of a graph

    Article • Discrete Applied Mathematics, February 2010, Elsevier

    Prof Leonardo Silva de Lima

  32. Laplacian integral graphs in S(a,b)

    Article • Linear Algebra and its Applications, May 2007, Elsevier

    Prof Leonardo Silva de Lima