Hostname: page-component-77f85d65b8-zzw9c Total loading time: 0 Render date: 2026-04-18T11:02:52.278Z Has data issue: false hasContentIssue false

Reconstructing a Graph from its Neighborhood Lists

Published online by Cambridge University Press:  12 September 2008

Martin Aigner
Affiliation:
Freie Universität Berlin, Fachbereich Mathematik, WE 2, Arnimallee 3, 1000 Berlin 33, Germany
Eberhard Triesch
Affiliation:
Forschungsinsitut für Diskrete Mathematik, Nassestraße 2, 5300 Bonn 1, Germany

Abstract

Associate to a finite labeled graph G(V, E) its multiset of neighborhoods (G) = {N(υ): υ ∈ V}. We discuss the question of when a list is realizable by a graph, and to what extent G is determined by (G). The main results are: the decision problem is NP-complete; for bipartite graphs the decision problem is polynomially equivalent to Graph Isomorphism; forests G are determined up to isomorphism by (G); and if G is connected bipartite and (H) = (G), then H is completely described.

Information

Type
Research Article
Copyright
Copyright © Cambridge University Press 1993

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable