LD
Leonardo de Lima
Universidade Federal do Paraná, Federal Center for Technological Education Celso Suckow da Fonseca, Universidade Federal do Rio de Janeiro
Research areas: Mathematics · Discrete Mathematics and Combinatorics · Graph theory and applications · Matrix Theory and Algorithms · Graph Theory and Algorithms
0000-0002-4949-7850
Employment
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Federal University of Paraná Associate Professor2019 - Present
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Centro Federal de Educação Tecnólogica Celso Suckow da Fonseca Professor Associado2006 - 2019
Education
- 2002 - 2006
Projects & Funding
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Álgebra Linear e Grafos Conselho Nacional de Desenvolvimento Científico e Tecnológico2016 - Present
Publications (39)
- On distance integral and distance Laplacian integral graphs Save
- 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) Save
- Dr. Strange, Artisanisation, and the Percolative Artificial Intelligence: Where Should We Go? Save
- Mathematical programming formulations for the optimal stratification problem Save
- On the Ky Fan norm of the signless Laplacian matrix of a graph Save
- Heuristic algorithm for univariate stratification problem Save
- Positive and negative square energies of graphs Save
- On graphs with eigenvectors in {−1,0,1} and the max k-cut problem Save
- Laplacian integral graphs with a given degree sequence constraint Save
- Laplacian integral graphs with a given degreee sequence constraint Save
- On graphs with adjacency and signless Laplacian matrices eigenvectors entries in {−1,+1} Save
- Heuristic approach applied to the optimum stratification problem Save
- The main eigenvalues of signed graphs Save
- Q-integral graphs with at most two vertices of degree greater than or equal to three Save
- Graphs with all but two eigenvalues in [-2,0] Save
- On integral graphs with at most two vertices of degree larger than two Save
- Nordhaus–Gaddum type inequalities for the two largest Laplacian eigenvalues Save
- Exhaustive and Metaheuristic Exploration of Two New Structural Irregularity Measures Save
- A<inf>α</inf>-Spectrum of a Firefly Graph Save
- Evaluating the Complementarity of Communication Tools for Learning Platforms Save