78 search results - page 1 / 16 » Differential Approximation for Some Routing Problems |
CIAC
2003
Springer
14 years 2 months ago
2003
Springer
We study vehicle routing problems with constraints on the distance traveled by each vehicle or on the number of vehicles. The objective is to minimize the total distance traveled b...
IPL
2002
13 years 11 months ago
2002
This paper deals with the problem of constructing a Hamiltonian cycle of optimal weight, called TSP. We show that TSP is 2/3-differential approximable and can not be differential a...
SODA
2010
ACM
14 years 8 months ago
2010
ACM
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...
AMC
1999
13 years 11 months ago
1999
We examine analytical and numerical aspects of optimal control problems for firstorder elliptic systems in three dimensions. The particular setting we use is that of divcurl syste...
SODA
2010
ACM
13 years 9 months ago
2010
ACM
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...