Abstract:Abstract. A drawing of a graph G is radial if the vertices of G are placed on concentric circles C1, . . . , C k with common center c, and edges are drawn radially: every edge intersects every circle centered at c at most once. G is radial planar if it has a radial embedding, that is, a crossing-free radial drawing. If the vertices of G are ordered or partitioned into ordered levels (as they are for leveled graphs), we require that the assignment of vertices to circles corresponds to the given ordering or leve… Show more
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