Browsing by Author "28b5d58ced4b4defa459d8bec4ce040f"
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Cea, Sebastián; Durán, Guillermo; Guajardo, Mario; Sauré Valenzuela, Denis; Siebert Sandoval, Joaquín; Zamorano, Gonzalo (Springer, 2020)his paper analyzes the procedure used by FIFA up until 2018 to rank national football teams and define by random draw the groups for the initial phase of the World Cup finals. A predictive model is calibrated to form a ...

Durán, Guillermo; Giormenti, Mauro; Guajardo, Mario; Pinto, Pablo; Rey, Pablo; StierMoses, Nicolás (Elsevier Ltd, 2018)Research on political representation has traditionally focused on the design of electoral systems. Yet there is evidence that voting costs result in lower turnout and undermine voters’ confidence in the electoral system. ...

Durán, Guillermo; Safe, Martín D.; Warnes, Xavier (Springer, 2020)Given a simple graph G, a set C subset of V(G)\documentclass[12pt] is a neighborhood cover set if every edge and vertex of G belongs to some G[v] with v is an element of C\documentclass[12pt] denotes the subgraph of G ...

Durán, Guillermo; Safe, Martín; Warnes, Xavier (Springer, 2020)Given a simple graph G, a set C subset of V(G)\documentclass[12pt] is a neighborhood cover set if every edge and vertex of G belongs to some G[v] with v is an element of C\documentclass[12pt] denotes the subgraph of G ...

BonomoBraberman, Flavia; Durán, Guillermo; Safe, Martín D.; Wagler, Annegret K. (Elsevier B.V., 2019)© 2019 Elsevier B.V.Perfect graphs form a wellknown class of graphs introduced by Berge in the 1960s in terms of a min–max type equality involving two famous graph parameters. In this work, we survey certain variants and ...

BonomoBraberman, Flavia; Durán, Guillermo; Safe, Martín D.; Wagler, Annegret K. (Elsevier, 2020)Perfect graphs form a wellknown class of graphs introduced by Berge in the 1960s in terms of a minmax type equality involving two famous graph parameters. In this work, we survey certain variants and subclasses of perfect ...

Bonomo, Flavia; Durán, Guillermo; Koch, Ivo; Valencia Pabon, Mario (Charles Babbage Institute, 2018)In the (k, i)coloring problem, we aim to assign sets of colors of size k to the vertices of a graph G, so that the sets which belong to adjacent vertices of G intersect in no more than i elements and the total number of ...

Alcón, Liliana; Bonomo, Flavia; Durán, Guillermo; Gutierrez, Marisa; Mazzoleni, María; Ries, Bernard; ValenciaPabon, Mario (Elsevier B.V., 2018)Golumbic, Lipshteyn and Stern [12] proved that every graph can be represented as the edge intersection graph of paths on a grid (EPG graph), i.e., one can associate with each vertex of the graph a nontrivial path on a ...

Alarcón, Fernando; Durán, Guillermo; Guajardo, Mario; Miranda Pino, Jaime; Muñoz, Hugo; Ramírez, Luis; Ramírez, Mario; Sauré Valenzuela, Denis; Siebert, Matías; Souyris, Sebastián; Weintraub Pohorille, Andrés; Wolf Yadlin, Rodrigo; Zamorano, Gonzalo (INFORMS, 2017)For the past 12 years, the Chilean Professional Soccer Association (ANFP) hasapplied operations research (OR) techniques to schedule soccer leagues in Chile. Usinginteger programmingbased methods, the ANFP decides which ...

Delle Donne, Diego; Di Tomaso, Valeria; Durán, Guillermo (Sage, 2020)A solution strategy based on integer linear programming models has been developed for leaf sweeping operations in the Argentine city of Trenque Lauquen. The aim is to achieve efficiency in the assignment of sweepers to ...

Correa Haeussler, José; Durán, Guillermo; Faria, Luerbio; Pizana, Miguel; Salazar, Gelasio (Elsevier, 2016)

Durán, Guillermo; Durán, Santiago; Marenco, Javier; Mascialino, Federico; Rey, Pablo A. (Elsevier B.V., 2019)© 2018 Elsevier B.V. Operations research methods are applied to design the season schedules of Argentina's professional basketball leagues using a format adopted in 2014 by the top two divisions. Following the setup used ...

Durán, Guillermo; Guajardo, Mario; Sauré Valenzuela, Denis (Elsevier, 2017)Every four years, the 10 national teams members of the South American Football Confederation (CON MEBOL) compete for one of the South American slots in the final phase of the FIFA World Cup. The qual ifying competition ...

Durán, Guillermo; Rey, Pablo A.; Wolff Rojas, Patricio (Springer, 2017)The scheduling of surgical interventions directly impacts the number of patients that can be treated with given operating room resources. Medical centres often do not respond satisfactorily to the demand for interventions, ...