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In the mathematical discipline of graph theory, the dual graph of a planar graph G is a graph that has a vertex for each face of G. The dual graph has an ... Dual polyhedra · Self-dual graphs · Properties · Weak dual
Двойственный граф Двойственный граф
Двойственный граф к планарному графу — это граф, в котором вершины соответствуют граням графа; две вершины соединены ребром если и только если соответствующие им грани графа имеют общее ребро. Например, двойственны друг к другу графы куба и... Википедия
The dual graph of a wheel graph is itself a wheel (Skiena 1990, p. 147). In general, a graph that is dual to itself is called a self-dual graph.
The dual graph of a plane graph G is a graph that has a vertex corresponding to each face of G, and an edge joining two neighboring faces for each edge in G.
A dual graph is defined for planar graphs, which do not necessarily have to be simple graphs, i.e. the original graph can contain loops and multiple edges.
A graph derived from some plane graph in such a way that the derived graph has a vertex corresponding to each face of the given graph.
In the dual graph, each vertex represents a face in the image graph. A face is essentially a 2×2 image patch. If you look at Figure 1, then one such face would ...
14 апр. 2021 г. · The dual graph G∗ of a plane graph G is a plane graph whose vertices correspond to the faces of G. The edges of G∗ correspond to the edges of G as follows:
Продолжительность: 10:40
Опубликовано: 12 апр. 2016 г.
3 дек. 2023 г. · A dual G. ∗ of a plane graph G is connected. Note. We can consider the dual of the dual of plane graph G (the “double dual”) of. G, G.
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