464 search results - page 1 / 93 » Improved Fixed-Parameter Algorithms for Two Feedback Set Pro... |
WADS
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Settling a ten years open question, we show that the NPcomplete Feedback Vertex Set problem is deterministically solvable in O(ck ·m) time, where m denotes the number of...
CIAC
2006
Springer
13 years 8 months ago
2006
Springer
Complementing recent progress on classical complexity and polynomial-time approximability of feedback set problems in (bipartite) tournaments, we extend and partially improve fixed...
IJCGA
2008
13 years 5 months ago
2008
Published as Technical Report LU-CS-TR:2005-238 on February 13, 2006, ISSN 1650-1276 Report 158, Lund University, Sweden 2006 We discuss and compare four fixed parameter algorithm...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
Consider a set of labels L and a set of trees T = {T (1) , T (2) , . . . , T (k) } where each tree T (i) is distinctly leaf-labeled by some subset of L. One fundamental problem is ...
AAIM
2008
Springer
13 years 11 months ago
2008
Springer
The Kemeny Score problem is central to many applications in the context of rank aggregation. Given a set of permutations (votes) over a set of candidates, one searches for a “con...