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IWPEC
2009
Springer
16 years 1 months ago
On the Directed Degree-Preserving Spanning Tree Problem
In this paper we initiate a systematic study of the Reduced Degree Spanning Tree problem, where given a digraph D and a nonnegative integer k, the goal is to construct a spanning o...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
AINA
2007
IEEE
16 years 1 months ago
Depth-Latency Tradeoffs in Multicast Tree Algorithms
The construction of multicast trees is complicated by the need to balance a number of important objectives, including: minimizing latencies, minimizing depth/hops, and bounding th...
Michael T. Helmick, Fred S. Annexstein
CSL
2007
Springer
16 years 29 days ago
Game Characterizations and the PSPACE-Completeness of Tree Resolution Space
The Prover/Delayer game is a combinatorial game that can be used to prove upper and lower bounds on the size of Tree Resolution proofs, and also perfectly characterizes the space ...
Alexander Hertel, Alasdair Urquhart
PDCAT
2007
Springer
16 years 28 days ago
Two Tree-Based Algorithms for Network Spare Capacity Design
Abstract. Survivable network design has become increasingly important due to the need for reliable communication service. Its main purpose is to provide cost-efficient spare capaci...
Hovhannes A. Harutyunyan, Calin D. Morosan, Yunzan...
CVPR
2006
IEEE
16 years 26 days ago
Scalable Recognition with a Vocabulary Tree
A recognition scheme that scales efficiently to a large number of objects is presented. The efficiency and quality is exhibited in a live demonstration that recognizes CD-covers...
David Nistér, Henrik Stewénius