adj                     Create an adjacency list
adj_color               Find a coloring of an adjacency list
adj_edges               Add and subtract edges from an adjacency list
adj_from_shp            Create an 'adj' list from a set of spatial
                        polygons
adj_indexing            Indexing operations on adjacency lists
adj_laplacian           Compute the Laplacian matrix of an adjacency
                        list
adj_matrix              Convert adjacency lists to and from adjacency
                        matrices
adj_quotient            Quotient an adjacency list by a vector
adj_zero_index          Convert adjacency list to use zero-based
                        indices
format.adj              Format and print methods for adjacency lists
konigsberg              The Seven Bridges of Königsberg
plot.adj                Basic plotting for adjacency lists
t.adj                   Transpose an adjacency list
