������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Lucas Saadi Murtinho � � has presented � � Minimization of Gini impurity: NP-completeness and approximation algorithm via connections with the � � k-means problem � at Latin and American Algorithms, Graphs and � Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Anderson Gomes da Silva � � has presented � � Equitable total chromatic number of Kr × p for p even at Latin and American Algorithms, Graphs and � � Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Fabr´ ıcio Schiavon Kolberg � � has presented Subclasses of Circular-Arc Bigraphs: Helly, Normal � � and Proper � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Lu´ ıs Felipe Ign´ acio Cunha � � has presented Hardness and efficiency on minimizing maximum � � distances for graphs with few P4’s and (k,l)-graphs � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Liliana Alc´ on � � has presented A characterization of claw-free CIS graphs and new � � results on the order of CIS graphs � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Erika Morais Martins Coelho � � has presented � � P3 -Hull number of graphs with diameter two at Latin and American Algorithms, Graphs and � � Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Manoel Campˆ elo � � has presented � � The Geodesic Classification Problem on Graphs at Latin and American Algorithms, Graphs and � � Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Rafael Crivellari Saliba Schouery � � has presented A polynomial-time approximation scheme for the � � MAXSPACE advertisement problem � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Celina Figueiredo � � has presented � � The Game Chromatic Number of Caterpillars at Latin and American Algorithms, Graphs and � � Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � M´ arcia Cappelle � � has presented Identifying Codes in the Complementary Prism of � � Cycles � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � M´ arcia Cappelle � � has presented Open-independent, open-locating-dominating sets in � � complementary prism graphs � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � F´ abio Botler � � has presented On Tuza’s conjecture for triangulations and graphs � � with small treewidth � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Carla Negri Lintzmayer � � has presented Approximation Algorithms for Sorting Permutations � � by Length-Weighted Short Rearrangements � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Maycon Sambinelli � � has presented Decomposing split graphs into locally irregular � � graphs � � at Latin and American Algorithms, Graphs and Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
������������������������� � � � � � � � � � � LAGOS 2019 � � We certify that � � Maycon Sambinelli � � has presented � � On computing the path number of a graph at Latin and American Algorithms, Graphs and � � Optimization Symposium 2019, held in Belo Horizonte - � � MG, Brazil, from June 2nd to June 7th. � � � � Conference Chair � � � � � � � � � � �������������������������
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