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Level structure
open-in-new
<p>In the <a href="/facts/Mathematics/pxTouaz4">mathematical</a> subfield of <a href="/facts/Graph_theory/VVPCd4TX">graph theory</a> a level structure of a <a href="/facts/Rooted_graph/GdDwV78S">rooted graph</a> is a <a href="/facts/Partition_of_a_set/VeP9g8CA">partition</a> of the <a href="/facts/Vertex_(graph_theory)/WhlWmL3o">vertices</a> into subsets that have the same <a href="/facts/Distance_(graph_theory)/EmQFKvqa">distance</a> from a given root vertex. </p>