Sciweavers

TCS
2011
13 years 3 months ago
Optimizing n-variate (n+k)-nomials for small k
We give a high precision polynomial-time approximation scheme for the supremum of any honest n-variate (n + 2)-nomial with a constant term, allowing real exponents as well as real...
Philippe P. Pébay, J. Maurice Rojas, David ...
TCS
2011
13 years 3 months ago
Local and global price of anarchy of graphical games
This paper initiates a study of connections between local and global properties of graphical games. Specifically, we introduce a concept of local price of anarchy that quantifie...
Oren Ben-Zwi, Amir Ronen
TCS
2011
13 years 3 months ago
Dynamic normal forms and dynamic characteristic polynomial
Abstract. We present the first fully dynamic algorithm for computing the characteristic polynomial of a matrix. In the generic symmetric case our algorithm supports rank-one updat...
Gudmund Skovbjerg Frandsen, Piotr Sankowski
TCS
2011
13 years 3 months ago
The transposition median problem is NP-complete
During the last years, the genomes of more and more species have been sequenced, providing data for phylogenetic reconstruction based on genome rearrangement measures, where the m...
Martin Bader
TCS
2011
13 years 3 months ago
Highly concurrent multi-word synchronization
d Abstract) Hagit Attiya and Eshcar Hillel Department of Computer Science, Technion The design of concurrent data structures is greatly facilitated by the availability of synchroni...
Hagit Attiya, Eshcar Hillel
TCS
2011
13 years 3 months ago
Complexity of the traveling tournament problem
Abstract. We consider the complexity of the traveling tournament problem, which is a well-known benchmark problem in tournament timetabling. The problem was supposed to be computat...
Clemens Thielen, Stephan Westphal
TCS
2011
13 years 3 months ago
Block insertion and deletion on trajectories
In this paper, we introduce block insertion and deletion on trajectories, which provide us with a new framework to study properties of language operations. With the parallel synta...
Bo Cui, Lila Kari, Shinnosuke Seki
TCS
2011
13 years 3 months ago
On the relationship between fuzzy and Boolean cellular automata
Fuzzy cellular automata (FCA) are continuous cellular automata where the local rule is defined as the “fuzzification" of the local rule of a corresponding Boolean cellula...
Heather Betel, Paola Flocchini
TCS
2011
13 years 3 months ago
Pricing commodities
How should a seller price her goods in a market where each buyer prefers a single good among his desired goods, and will buy the cheapest such good, as long as it is within his bu...
Robert Krauthgamer, Aranyak Mehta, Atri Rudra