Paper by Erik D. Demaine

Reference:
Erik Demaine, Jeff Erickson, Danny Krizanć, Henk Meijer, Pat Morin, Mark Overmars, and Sue Whitesides, “Realizing Partitions Respecting Full and Partial Order Information”, in Proceedings of the 16th Australasian Workshop on Combinatorial Algorithms (AWOCA 2005), Victoria, Australia, September 18–21, 2005, pages 105–114.

Abstract:
For n ∈ ℕ, we consider the problem of partitioning the interval [0, n) into k subintervals of positive integer lengths ℓ1, …, ℓk such that the lengths satisfy a set of simple constraints of the form ℓi ◇ij ℓj where ◇ij is one of <, >, or =. In the full information case, ◇ij is given for all 1 ≤ ij ≤ k. In the sequential information case, ◇ij is given for all 1 < i < k and j = i ± 1. That is, only the relations between the lengths of consecutive intervals are specified. The cyclic information case is an extension of the sequential information case in which the relationship ◇1k between ℓ1 and ℓk is also given. We show that all three versions of the problem can be solved in time polynomial in k and log n.

Length:
The paper is 9 pages.

Availability:
The paper is available in PostScript (310k), gzipped PostScript (133k), and PDF (156k).
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Related papers:
Contour_JDA (Realizing Partitions Respecting Full and Partial Order Information)


See also other papers by Erik Demaine.
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Last updated November 16, 2017 by Erik Demaine.