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Γ, an embedding φγ :γ→
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doi:10.1016/j.disc.2004.07.035 
Copyright © 2005 Elsevier B.V. All rights reserved.
Knots and links in spatial graphs: A survey
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J.L. Ramírez Alfonsín
Received 7 December 2001;
revised 15 May 2003;
accepted 22 July 2004.
Available online 8 August 2005.
Abstract
A spatial representation, , of a graph G, is an embedded image of G in
. A set of cycles in
can be thought of as a set of simple closed curves in
and thus they may be regarded as a link in
. A recent area of research investigates the dependence (or independence) of the link types on the structure of the abstract graph G itself rather than on specific spatial representations of G. In this article, we survey what is known today.
Keywords: Knot; Link; Spatial graphs
