isomorphism problem

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isomorphism problem [‚ī·sə′mȯr‚fiz·əm ‚präb·ləm]

(mathematics)

For two simple graphs with the same numbers of vertices and edges, the problem of determining whether there exist correspondences between these vertices and edges such that there is an edge between two vertices in one graph if and only if there is an edge between the corresponding vertices in the other.

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No references found			Among their topics are the isomorphism problem for Coxeter groups, hyperbolic Coxeter groups and space forms, equivelar polyhedra, configurations of points and lines, and the reciprocal inspiration of Coxeter and artists. The Coxeter legacy; reflections and projections by SciTech Book News			isomerous Isometopidae isometric isometric contraction isometric drawing isometric forms isometric joystick Isometric Muscle Contraction isometric particle isometric process isometric projection isometric spaces isometric system isometric view isometric work isometry isometry class isomolecule isomorph isomorphic isomorphic mineral isomorphic systems Isomorphism isomorphism class Isomorphism of Linguistic Levels isomorphism problem isoneph isoniazid isonicotinic acid isonicotinic acid hydrazide isonitrosoacetophenone Isonoe isonymous substitution Isonzo Isonzo, Battles of the Isooctane isooctyl alcohol isopach map isopachous line isoparaffin isopathic principle isopectic isopentane isopentanoic acid isopentyl unit isoperimetric figures isoperimetric inequality isoperimetric line isoperimetric problem Isoperimetric Problems isoperm			Isometries isometropia isometropia isometry isometry isometry isometry class ISOMF isomolecule Isomonit isomorbs isomorph isomorph isomorph isomorphic isomorphic isomorphic Isomorphic Control Transformation isomorphic effect isomorphic mineral isomorphic response isomorphic systems isomorphism isomorphism isomorphism Isomorphism (algebra) Isomorphism (algebra) Isomorphism (algebra) Isomorphism class Isomorphism of Linguistic Levels isomorphism problem Isomorphisms Isomorphisms Isomorphisms isomorphous isomorphous isomorphous isomorphs isomorphs isomorphs isomorphy isomorts ISON Isonandra Isonandra Gutta Isonandra Gutta Isonandra Gutta isoneph Isonephelic ISONET ISONG isoniazid isoniazid isoniazid isoniazid Isonicotine Isonicotinic Isonicotinic acid Isonicotinic acid hydrazide Isonicotinic acid hydrazide Isonicotinic acid hydrazide

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