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STOC
2005
ACM
115views Algorithms» more  STOC 2005»
15 years 10 months ago
Computing the first Betti number and the connected components of semi-algebraic sets
In this paper we describe the first singly exponential algorithm for computing the first Betti number of a given semi-algebraic set. We also describe algorithms for obtaining semi...
Saugata Basu, Richard Pollack, Marie-Franço...
EVOW
2009
Springer
15 years 4 months ago
Iterated Local Search for Minimum Power Symmetric Connectivity in Wireless Networks
The problem of finding a symmetric connectivity topology with minimum power consumption in a wireless ad-hoc network is NPhard. This work presents a new iterated local search to s...
Steffen Wolf, Peter Merz
ICC
2008
IEEE
131views Communications» more  ICC 2008»
15 years 4 months ago
Directionality As Needed - Achieving Connectivity in Wireless Mesh Networks
: We study how to achieve a desired connectivity in a wireless mesh network using beamforming antennas. We show that there is no unique solution to this problem. Then, we propose a...
Vishwanath Ramamurthi, Abu Ahmed Reaz, Sudhir S. D...
IICS
2005
Springer
15 years 3 months ago
Distributed Calculation of PageRank Using Strongly Connected Components
We provide an approach to distribute the calculation of PageRank, by splitting the graph into its strongly connected components. As we prove, the global ranking may be calculated c...
Michael Brinkmeier
ICCS
2003
Springer
15 years 3 months ago
A New Approach to Survivability of Connection Oriented Networks
Issues of network reliability are very important in modern computer networks. Even a short failure of a network link can cause substantial consequences. In this paper we concentrat...
Krzysztof Walkowiak