publicaciones seleccionadas artículo académico Separating path systems in trees. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS. 208(2). 2026 'I know how to live from what the hill gives': biocultural uses, tensions and partial reconstructions around the common goods of the Cerro Caracol urban park. COMMUNITY DEVELOPMENT JOURNAL . 2024 On relations between properties in transitive Turing machines. NONLINEARITY. 36(12):6297-6323. 2023 Pre-expansivity in cellular automata. THEORETICAL COMPUTER SCIENCE. 816:37-66. 2020 Nontrivial Turmites are Turing-universal. JOURNAL OF CELLULAR AUTOMATA. 13(5-6):373-392. 2018 Some undecidable problems about the trace-subshift associated with a Turing machine. DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE. 17(2):267-284. 2015 On time-symmetry in cellular automata. JOURNAL OF COMPUTER AND SYSTEM SCIENCES. 78(4):1115-1126. 2012 Langton's Flies. JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL. 41:1-17. 2008 On the complexity of feedback set problems in signed digraphs. ELECTRONIC NOTES IN DISCRETE MATHEMATICS. 30(C):249-254. 2008 One Head Machines from a Symbolic Approach. THEORETICAL COMPUTER SCIENCE. 370:34-47. 2007 Crossing Information in Two-Dimensional Sandpiles. THEORETICAL COMPUTER SCIENCE. 369:463-469. 2006 A Measure of Similarity Between Graph Vertices: Applications to Synonum Extraction and Web Searching. SIAM REVIEW. 46(4):647-666. 2004 Dynamics of a Class of Ants on a One-Dimensional Lattice. THEORETICAL COMPUTER SCIENCE. 322:267-283. 2004