Embedding a Graph in the Grid of a Surface with the Minimum Number of Bends is NP-hard. - María Ángeles Garrido 001; Alberto Márquez 001 (GD, 1997)

Labeling Subway Lines. - María Ángeles Garrido 001; Claudia Iturriaga; Alberto Márquez 001; José Ramón Portillo; Pedro Reyes; Alexander Wolff 001 (ISAAC, 2001)

Single bend wiring on surfaces. - María Ángeles Garrido 001; Alberto Márquez 001; Aurora Morgana; José Ramón Portillo (Discret. Appl. Math., 2002)

Monochromatic geometric k-factors in red-blue sets with white and Steiner points. - Delia Garijo; María Ángeles Garrido 001; Clara I. Grima; Alberto Márquez 001; Auxiliadora Moreno-González; José Ramón Portillo; Pedro Reyes; Rafael Robles; Jesus Valenzuela (Electron. Notes Discret. Math., 2009)

Reporting Bichromatic Segment Intersections from Point Sets. - Carmen Cortés; Delia Garijo; María Ángeles Garrido 001; Clara I. Grima; Alberto Márquez 001; Auxiliadora Moreno-González; Jesus Valenzuela; Maria Trinidad Villar (Int. J. Comput. Geom. Appl., 2012)

Cover Contact Graphs. - Nieves Atienza; Natalia de Castro; Carmen Cortés; María Ángeles Garrido 001; Clara I. Grima; Carlos G. Hernández; Alberto Márquez 001; Auxiliadora Moreno-González; Martin Nöllenburg; José Ramón Portillo; Pedro Reyes; Jesus Valenzuela; et al. (J. Comput. Geom., 2012)

Monochromatic geometric k-factors for bicolored point sets with auxiliary points. - Delia Garijo; María Ángeles Garrido 001; Clara I. Grima; Alberto Márquez 001; Auxiliadora Moreno-González; José Ramón Portillo; Pedro Reyes; Rafael Robles; Jesus Valenzuela (Inf. Process. Lett., 2014)

Contrast in greyscales of graphs. - Natalia de Castro; María Ángeles Garrido-Vizuete; Rafael Robles; María Trinidad Villar-Liñán (J. Comb. Optim., 2020)

Minimum gradation in greyscales of graphs. - Natalia de Castro; María Ángeles Garrido 001; Rafael Robles; María Trinidad Villar-Liñán (Discret. Optim., 2023)