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In the mathematical discipline of graph theory, the medial graph of plane graph G is another graph M(G) that represents the adjacencies between edges in the faces of G. Medial graphs were introduced in 1922 by Ernst Steinitz to study combinatorial properties of convex polyhedra , [ 1 ] although the inverse construction was already used by Peter ...
Medial axis, in geometry the set of all points having more than one closest point on an object's boundary; Medial graph, another graph that represents the adjacencies between edges in the faces of a plane graph; Medial triangle, the triangle whose vertices lie at the midpoints of an enclosing triangle's sides; Polyhedra: Medial deltoidal ...
A comprehensive list of countries by median age, providing insights into the population age distribution worldwide.
The medial graph of the dual graph of a plane graph is the same as the medial graph of the original plane graph. [30] For regular polyhedra or simple polyhedra, the medial graph operation can be represented geometrically by the operation of cutting off each vertex of the polyhedron by a plane through the midpoints of all its incident edges. [31]
The R programming language can be used for creating Wikipedia graphs. The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools.
Median graph – Graph with a median for each three vertices Median of medians – Fast approximate median algorithm – Algorithm to calculate the approximate median in linear time Median search – Method for finding kth smallest value Pages displaying short descriptions of redirect targets
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English: The medial graph of the Herschel graph, a 4-regular planar graph that does not have a Hamiltonian decomposition. The shaded regions correspond to the vertices of the underlying Herschel graph.