string_graph (300B)
1 # String graph 2 3 https://en.m.wikipedia.org/wiki/String_graph 4 5 An [intersection_graph] of curves in the plane 6 7 The [decision_problem] of whether an input [undirected_graph] is of this form is [NP_complete] and the [NP] upper bound is nontrivial 8 9 Up: [graph_family] 10 11 See also: [circle_packing_theorem]