152 search results - page 14 / 31 » Tetris is Hard, Even to Approximate |
SIAMCOMP
2010
13 years 5 months ago
2010
We reexamine what it means to compute Nash equilibria and, more generally, what it means to compute a fixed point of a given Brouwer function, and we investigate the complexity o...
CORR
2004
Springer
13 years 7 months ago
2004
Springer
An optimization problem that naturally arises in the study of swarm robotics is the Freeze-Tag Problem (FTP) of how to awaken a set of "asleep" robots, by having an awak...
STOC
2005
ACM
14 years 7 months ago
2005
ACM
A low-distortion embedding between two metric spaces is a mapping which preserves the distances between each pair of points, up to a small factor called distortion. Low-distortion...
AMAI
2004
Springer
14 years 24 days ago
2004
Springer
This paper presents new look-ahead schemes for backtracking search when solving constraint satisfaction problems. The look-ahead schemes compute a heuristic for value ordering and...
MOBIHOC
2006
ACM
14 years 7 months ago
2006
ACM
Localization is an important and extensively studied problem in ad-hoc wireless sensor networks. Given the connectivity graph of the sensor nodes, along with additional local info...