In [3] the authors proposed a classification of convex polyominoes based on the number of changes of direction in the paths connecting any two cells of a polyomino. More precisely, a convex polyomino is k-convex if every pair of its cells can be connected by a monotone path with at most k changes of direction. In 1-convex (also called L-convex) polyominoes, any two cells can be connected by a path with at most one change of direction. © 2011 Springer-Verlag.
CITATION STYLE
Battaglino, D., Fedou, J. M., Frosini, A., & Rinaldi, S. (2011). Encoding centered polyominoes by means of a regular language. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6795 LNCS, pp. 464–465). https://doi.org/10.1007/978-3-642-22321-1_40
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