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102
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COCOON
2006
Springer
15 years 7 months ago
A PTAS for Cutting Out Polygons with Lines
We present a simple O(m+n6 / 12 ) time (1+ )-approximation algorithm for the problem of cutting a convex n-gon out of a convex m-gon with line cuts of minimum total cutting length....
Sergey Bereg, Ovidiu Daescu, Minghui Jiang
COCOON
2006
Springer
15 years 7 months ago
Varieties Generated by Certain Models of Reversible Finite Automata
Reversible finite automata with halting states (RFA) were first considered by Ambainis and Freivalds to facilitate the research of KondacsWatrous quantum finite automata. In this ...
Marats Golovkins, Jean-Eric Pin
105
Voted
COCOON
2006
Springer
15 years 7 months ago
Edge Pricing of Multicommodity Networks for Selfish Users with Elastic Demands
We examine how to induce selfish heterogeneous users in a multicommodity network to reach an equilibrium that minimizes the social cost. In the absence of centralized coordination...
George Karakostas, Stavros G. Kolliopoulos
134
Voted
COCOON
2006
Springer
15 years 7 months ago
Optimal Acyclic Edge Colouring of Grid Like Graphs
We determine the values of the acyclic chromatic index of a class of graphs referred to as d-dimensional partial tori. These are graphs which can be expressed as the cartesian prod...
Rahul Muthu, N. Narayanan, C. R. Subramanian
CPM
2006
Springer
175views Combinatorics» more  CPM 2006»
15 years 7 months ago
On-Line Linear-Time Construction of Word Suffix Trees
Abstract. Suffix trees are the key data structure for text string matching, and are used in wide application areas such as bioinformatics and data compression. Sparse suffix trees ...
Shunsuke Inenaga, Masayuki Takeda