Louis Kauffman: Difference between revisions

Revision as of 19:24, 3 January 2014

Graph invariants are properties of graphs that are invariant under graph isomorphisms: each is a function $f$ such that $f (G_{1}) = f (G_{2})$ whenever $G_{1}$ and $G_{2}$ are isomorphic graphs. Examples include the number of vertices and the number of edges.

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+'''[[Graph invariant]]s''' are properties of [[graph (mathematics)|graph]]s that are [[invariant (mathematics)|invariant]] under [[graph isomorphism]]s: each is a function <math>f\,</math> such that <math>f(G_1)=f(G_2)\,</math> whenever <math>G_1\,</math> and <math>G_2\,</math> are isomorphic graphs. Examples include the number of vertices and the number of edges.
+[[Category:Graph theory|Invariants]]
+[[Category:Graph theory objects]]