**Circle graph** — For the chart, see Pie chart. A circle with five chords and the corresponding circle graph. In graph theory, a circle graph is the intersection graph of a set of chords of a circle. That is, it is an undirected graph whose vertices can be… … Wikipedia

**circle graph** — noun Date: 1928 pie chart … New Collegiate Dictionary

**circle graph** — noun : pie chart … Useful english dictionary

**Circle packing theorem** — Example of the circle packing theorem on K5, the complete graph on five vertices, minus one edge. The circle packing theorem (also known as the Koebe–Andreev–Thurston theorem) describes the possible tangency relations between circles in the plane … Wikipedia

**Graph drawing** — This article is about the general subject of graph drawing. For the annual research symposium, see International Symposium on Graph Drawing. Graphic representation of a minute fraction of the WWW, demonstrating hyperlinks. Graph drawing is an… … Wikipedia

**Graph factorization** — Not to be confused with Factor graph. 1 factorization of Desargues graph: each color class is a 1 factor … Wikipedia

**graph** — /graf, grahf/, n. 1. a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc. 2. Math. a. a series of points, discrete or continuous, as in forming a curve or… … Universalium

**Circle packing** — This article describes the packing of circles on surfaces. For the related article on circle packing with a prescribed intersection graph, please see the circle packing theorem. The most efficient way to pack different sized circles together is… … Wikipedia

**Graph manifold** — In topology, a graph manifold (in German: Graphenmannigfaltigkeit) is a 3 manifold which is obtained by gluing some circle bundles. They were invented and classified by the German topologist Friedhelm Waldhausen in 1967. This definition allows a… … Wikipedia

**graph** — I (New American Roget s College Thesaurus) n. diagram, chart, plot, plan;bar, circle, etc. graph. II (Roget s IV) n. Syn. diagram, chart, linear representation; see design 1 , plan 1 … English dictionary for students