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STACS
1999
Springer
14 years 2 months ago
Balanced Randomized Tree Splitting with Applications to Evolutionary Tree Constructions
We present a new technique called balanced randomized tree splitting. It is useful in constructing unknown trees recursively. By applying it we obtain two new results on efficient ...
Ming-Yang Kao, Andrzej Lingas, Anna Östlin
ISF
2008
119views more  ISF 2008»
13 years 9 months ago
A decision support system for locating VHF/UHF radio jammer systems on the terrain
In this study, a mathematical model is suggested concerning the location of VHF/UHF frequency radio jammer systems to the terrain parts to conduct single frequency or sequential fr...
Cevriye Gencer, Emel Kizilkaya Aydogan, Coskun Cel...
IPL
2000
146views more  IPL 2000»
13 years 10 months ago
Better approximations for max TSP
We combine two known polynomial time approximation algorithms for the maximum traveling salesman problem to obtain a randomized algorithm which outputs a solution with expected va...
Refael Hassin, Shlomi Rubinstein
SODA
2004
ACM
152views Algorithms» more  SODA 2004»
13 years 11 months ago
Approximation schemes for minimum 2-edge-connected and biconnected subgraphs in planar graphs
Given an undirected graph, finding either a minimum 2-edge-connected spanning subgraph or a minimum 2vertex-connected (biconnected) spanning subgraph is MaxSNP-hard. We show that ...
Artur Czumaj, Michelangelo Grigni, Papa Sissokho, ...
CPM
2004
Springer
168views Combinatorics» more  CPM 2004»
14 years 3 months ago
The Protein Sequence Design Problem in Canonical Model on 2D and 3D Lattices
In this paper we investigate the protein sequence design (PSD) problem (also known as the inverse protein folding problem) under the Canonical model 4 on 2D and 3D lattices [12, 25...
Piotr Berman, Bhaskar DasGupta, Dhruv Mubayi, Robe...