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COCOON
2006
Springer
15 years 1 months ago
Characterizations and Linear Time Recognition of Helly Circular-Arc Graphs
Abstract. A circular-arc model (C, A) is a circle C together with a collection A of arcs of C. If A satisfies the Helly Property then (C, A) is a Helly circular-arc model. A (Helly...
Min Chih Lin, Jayme Luiz Szwarcfiter
COCOON
2006
Springer
15 years 1 months ago
Finding Patterns with Variable Length Gaps or Don't Cares
In this paper we have presented new algorithms to handle the pattern matching problem where the pattern can contain variable length gaps. Given a pattern P with variable length gap...
M. Sohel Rahman, Costas S. Iliopoulos, Inbok Lee, ...
COCOON
2006
Springer
15 years 1 months ago
On Unfolding Lattice Polygons/Trees and Diameter-4 Trees
We consider the problems of straightening polygonal trees and convexifying polygons by continuous motions such that rigid edges can rotate around vertex joints and no edge crossing...
Sheung-Hung Poon
COCOON
2006
Springer
15 years 1 months ago
Improved On-Line Broadcast Scheduling with Deadlines
We study an on-line broadcast scheduling problem in which requests have deadlines, and the objective is to maximize the weighted throughput, i.e., the weighted total length of the ...
Feifeng Zheng, Stanley P. Y. Fung, Wun-Tat Chan, F...
CPM
2006
Springer
182views Combinatorics» more  CPM 2006»
15 years 1 months ago
Theoretical and Practical Improvements on the RMQ-Problem, with Applications to LCA and LCE
The Range-Minimum-Query-Problem is to preprocess an array such that the position of the minimum element between two specified indices can be obtained efficiently. We present a dire...
Johannes Fischer, Volker Heun