Laying Out Iterated Line Digraphs Using Queues

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Abstract

In this paper, we study a layout problem of a digraph using queues. The queuenumber of a digraph is the minimum number of queues required for a queue layout of the digraph. We present upper and lower bounds on the queuenumber of an iterated line digraph Lk (G) of a digraph G. In particular, our upper bound depends only on G and is independent of the number of iterations k. Queue layouts can be applied to three-dimensional drawings. From the result on the queuenumber of Lk(G), it is shown that for any fixed digraph G, Lk(G) has a three-dimensional drawing with O(n) volume, where n is the number of vertices in Lk(G). We also apply these results to particular families of iterated line digraphs such as de Bruijn digraphs, Kautz digraphs, butterfly digraphs, and wrapped butterfly digraphs. © Springer-Verlag 2004.

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CITATION STYLE

APA

Hasunuma, T. (2004). Laying Out Iterated Line Digraphs Using Queues. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2912, 202–213. https://doi.org/10.1007/978-3-540-24595-7_19

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