330 search results - page 13 / 66 » Approximation Algorithms for the Directed k-Tour and k-Strol... |
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we initiate the study of the AND-OR directed feedback vertex set problem from the viewpoint of approximation algorithms. This AND-OR feedback vertex set problem is m...
CIAC
2006
Springer
13 years 11 months ago
2006
Springer
Consider a truck running along a road. It picks up a load Li at point i and delivers it at i, carrying at most one load at a time. The speed on the various parts of the road in on...
ALGORITHMICA
2005
13 years 7 months ago
2005
A cycle cover of a graph is a spanning subgraph each node of which is part of exactly one simple cycle. A k-cycle cover is a cycle cover where each cycle has length at least k. Gi...
APPROX
2008
Springer
13 years 9 months ago
2008
Springer
Given a graph H = (V, F) with edge weights {w(e) : e F}, the weighted degree of a node v in H is {w(vu) : vu F}. We give bicriteria approximation algorithms for problems that see...
ICML
2008
IEEE
14 years 8 months ago
2008
IEEE
In this paper we show how common speech recognition training criteria such as the Minimum Phone Error criterion or the Maximum Mutual Information criterion can be extended to inco...