al distributed adjacency lists model the <a class="reference external" href="http://www.boost.org/libs/graph/doc/BidirectionalGraph.html">Bidirectional
Graph</a> concept, with the same domain restrictions. Distributed
adjacency lists also model the <a class="reference external" href="http://www.boost.org/libs/graph/doc/MutableGraph.html">Mutable Graph</a> concept (with domain
restrictions; see the <a class="reference internal" href="#reference">Reference</a> section), <a class="reference external" href="htt