DOI: 10.5821/dissertation-2117-328194
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Generalized Delaunay triangulations : graph-theoretic properties and algorithms

María del Pilar Cano Vila

Abstract: This thesis studies different generalizations of Delaunay triangulations, both from a combinatorial and algorithmic point of view. The Delaunay triangulation of a point set S, denoted DT(S), has vertex set S. An edge uv is in DT(S) if it satisfies the empty circle property: there exists a circle with u and v on its boundary that does not enclose points of S. Due to different optimization criteria, many generalizations of the DT(S) have been proposed. Several properties are known for DT(S), yet, few are known f… Show more

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“…A graph is said to be undirected if the existence of an edge (v i , v j ) ∈ E implies the presence of (v j , v i ) ∈ E, while it is said to be directed otherwise. In this paper, we consider undirected graphs; in fact, in the context of Delaunay Triangulations, graphs are used as a convenient framework for representing adjacent points in the triangulation, and in this view an edge only models the connection of two points (hence, no orientation is required) [41]. An undirected graph is connected if each node can be reached by each other node via the edges.…”
Section: Preliminary Concepts and Definitions A Notation And Definitionsmentioning
confidence: 99%
“…A graph is said to be undirected if the existence of an edge (v i , v j ) ∈ E implies the presence of (v j , v i ) ∈ E, while it is said to be directed otherwise. In this paper, we consider undirected graphs; in fact, in the context of Delaunay Triangulations, graphs are used as a convenient framework for representing adjacent points in the triangulation, and in this view an edge only models the connection of two points (hence, no orientation is required) [41]. An undirected graph is connected if each node can be reached by each other node via the edges.…”
Section: Preliminary Concepts and Definitions A Notation And Definitionsmentioning
confidence: 99%