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ArticleSaumell, MariaLet P be a set of n points in the plane. A geometric proximity graph on P is a graph where two points are connected by a straightline segment if they satisfy some prescribed proximity rule. We consider four classes of higher order proximity graphs, n . . .

ArticleYarborough, Jonathan R.Resistance to heavy metals is important for the survival of bacteria in contaminated environments. In this study, we show that the unicellular cyanobacterial species Synechococcus sp. IU 625 adapts to growth in the presence of mercuric chloride, recov . . .

ArticleMeijer, HenkGiven a large weighted graph G = (V, E) and a subset U of V , we define several graphs with vertex set U in which two vertices are adjacent if they satisfy some prescribed proximity rule. These rules use the shortest path distance in G and generalize . . .

ArticleSacristán, VeraLet P be a set of n points in the plane. A geometric proximity graph on P is a graph where two points are connected by a straightline segment if they satisfy some prescribed proximity rule. We consider four classes of higher order proximity graphs, n . . .