Sciweavers

1379 search results - page 70 / 276
» The Complexity of the Annihilating Polynomial
Sort
View
ICC
2008
IEEE
130views Communications» more  ICC 2008»
15 years 7 months ago
A Polynomial-Time Approximation Algorithm for Weighted Sum-Rate Maximization in UWB Networks
— Scheduling in an ad hoc wireless network suffers from the non-convexity of the cost function, caused by the interference between communication links. In previous optimization t...
Gyouhwan Kim, Qiao Li, Rohit Negi
133
Voted
CSR
2007
Springer
15 years 6 months ago
Ruling Out Polynomial-Time Approximation Schemes for Hard Constraint Satisfaction Problems
The maximum constraint satisfaction problem (Max CSP) is the following computational problem: an instance is a finite collection of constraints on a set of variables, and the goal...
Peter Jonsson, Andrei A. Krokhin, Fredrik Kuivinen
105
Voted
ICDT
2007
ACM
141views Database» more  ICDT 2007»
15 years 6 months ago
Exact XML Type Checking in Polynomial Time
Stay macro tree transducers (smtts) are an expressive formalism for reasoning about XSLT-like document transformations. Here, we consider the exact type checking problem for smtts....
Sebastian Maneth, Thomas Perst, Helmut Seidl
ACNS
2011
Springer
231views Cryptology» more  ACNS 2011»
14 years 4 months ago
Cold Boot Key Recovery by Solving Polynomial Systems with Noise
A method for extracting cryptographic key material from DRAM used in modern computers has been recently proposed in [9]; the technique was called Cold Boot attacks. When considerin...
Martin Albrecht, Carlos Cid
116
Voted
INFOCOM
2012
IEEE
13 years 3 months ago
Approximately optimal adaptive learning in opportunistic spectrum access
—In this paper we develop an adaptive learning algorithm which is approximately optimal for an opportunistic spectrum access (OSA) problem with polynomial complexity. In this OSA...
Cem Tekin, Mingyan Liu