<p>We develop algorithms to approximately count perfect matchings in bipartite graphs (or permanents of the corresponding adjacency matrices), perfect matchings in nonbipartite graphs (or hafnians), and general matchings ...
We examined the developmental processes involved in peer problems among children (M age = 10.41 years) previously diagnosed with attention-deficit/hyperactivity disorder (ADHD) at study entry (N = 536) and a comparison ...