The notion of a pattern within a binary picture (polyomino) has been introduced and studied by the authors, and resembles the notion of pattern containment within permutations. The main goal of this paper is to extend some previous results by adopting a more geometrical approach: we use the notion of pattern avoidance in order to recognize or describe families of polyominoes defined by means of geometrical constraints or combinatorial properties. Moreover, we extend the notion of pattern in a polyomino, by introducing generalized polyomino patterns, so that to be able to describe more families of polyominoes known in the literature.
Binary pictures with excluded patterns / Daniela Battaglino; Andrea Frosini; Veronica Guerrini; Simone Rinaldi; Samanta Socci. - STAMPA. - 8668:(2014), pp. 25-38. (Intervento presentato al convegno Discrete Geometry for Computer Imagery 2014 tenutosi a Siena nel 10-12/09/2014) [10.1007/978-3-319-09955-2_3].
Binary pictures with excluded patterns
FROSINI, ANDREA;
2014
Abstract
The notion of a pattern within a binary picture (polyomino) has been introduced and studied by the authors, and resembles the notion of pattern containment within permutations. The main goal of this paper is to extend some previous results by adopting a more geometrical approach: we use the notion of pattern avoidance in order to recognize or describe families of polyominoes defined by means of geometrical constraints or combinatorial properties. Moreover, we extend the notion of pattern in a polyomino, by introducing generalized polyomino patterns, so that to be able to describe more families of polyominoes known in the literature.File | Dimensione | Formato | |
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