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On the generalized Helly property of hypergraphs, cliques, and bicliques
Mitre C. Dourado, Luciano N. Grippo, Martín D. Safe
DOI arXiv
Lochs-type theorems beyond positive entropy
Valérie Berthé, Eda Cesaratto, Pablo Rotondo, Martín D. Safe
DOI arXiv
Forbidden induced subgraph characterization of circle graphs within split graphs
Flavia Bonomo-Braberman, Guillermo Durán, Nina Pardal, Martín D. Safe
DOI arXiv
Essential obstacles to Helly circular-arc graphs
Martín D. Safe
DOI arXiv
$2$-nested matrices: Towards understanding the structure of circle graphs
Guillermo Durán, Nina Pardal, Martín D. Safe
DOI arXiv
The determinant of the distance matrix of graphs with blocks at most bicyclic
Ezequiel Dratman, Luciano N. Grippo, Martín D. Safe, Celso M. da Silva Jr., Renata R. Del-Vecchio
DOI arXiv
Circularly compatible ones, $D$-circularity, and proper circular-arc bigraphs
Martín D. Safe
DOI arXiv
A combinatorial analysis of the permutation and non-permutation flow shop scheduling problems
Daniel A. Rossit, Óscar C. Vásquez, Fernando Tohmé, Mariano Frutos, Martín D. Safe
PDF DOI
Fefferman-Stein inequalities for the Hardy-Littlewood maximal function on the infinite rooted k-ary tree
Sheldy Ombrosi, Israel P. Rivera-Ríos, Martín D. Safe
DOI arXiv
Formulas in connection with parameters related to convexity of paths on three vertices: caterpillars and unit interval graphs
Lucía M. González, Luciano N. Grippo, Martín D. Safe
PDF arXiv