4413 search results - page 208 / 883 » New Directions for CACM |
151
click to vote
CJ
2008
15 years 6 months ago
2008
We survey results and open questions on complexity of parameterized problems on digraphs. The problems include the feedback vertex and arc set problems, induced subdigraph problem...
150
click to vote
IPL
2007
15 years 6 months ago
2007
We present a new proof of PSPACE-hardness of the emptiness problem for alternating finite automata with a singleton alphabet. This result was shown by Holzer (1995) who used a pr...
146
click to vote
IPMI
2005
Springer
16 years 7 months ago
2005
Springer
Abstract. We extend an information metric from intermodality (2image) registration to multimodality (multiple-image) registration so that we can simultaneously register multiple im...
199
click to vote
ICASSP
2008
IEEE
16 years 22 days ago
2008
IEEE
Abstract — Regularized block diagonalization (RBD) is a new linear precoding technique for the multi-antenna broadcast channel and has a significantly improved sum rate and dive...
176
click to vote
ICPP
2007
IEEE
16 years 18 days ago
2007
IEEE
As the number of computing and storage nodes keeps increasing, the interconnection network is becoming a key element of many computing and communication systems, where the overall...