[BUKU][B] Handbook of approximation algorithms and metaheuristics

TF Gonzalez - 2007 - taylorfrancis.com
Delineating the tremendous growth in this area, the Handbook of Approximation Algorithms
and Metaheuristics covers fundamental, theoretical topics as well as advanced, practical …

A simple and effective metaheuristic for the minimum latency problem

MM Silva, A Subramanian, T Vidal, LS Ochi - European Journal of …, 2012 - Elsevier
The Minimum Latency Problem (MLP) is a variant of the Traveling Salesman Problem which
aims to minimize the sum of arrival times at vertices. The problem arises in a number of …

Paths, trees, and minimum latency tours

K Chaudhuri, B Godfrey, S Rao… - 44th Annual IEEE …, 2003 - ieeexplore.ieee.org
We give improved approximation algorithms for a variety of latency minimization problems.
In particular, we give a 3.59-approximation to the minimum latency problem, improving on …

[HTML][HTML] A new formulation for the traveling deliveryman problem

I Méndez-Díaz, P Zabala, A Lucena - Discrete applied mathematics, 2008 - Elsevier
The Traveling Deliveryman Problem is a generalization of the Minimum Cost Hamiltonian
Path Problem where the starting vertex of the path, ie a depot vertex, is fixed in advance and …

The minimum latency problem is NP-hard for weighted trees

R Sitters - … and Combinatorial Optimization: 9th International IPCO …, 2002 - Springer
In the minimum latency problem (MLP) we are given n points v 1,..., vn and a distance d (vi,
vj) between any pair of points. We have to find a tour, starting at v 1 and visiting all points, for …

A mixed integer formulation and an efficient metaheuristic procedure for the k-Travelling Repairmen Problem

S Nucamendi-Guillén, I Martínez-Salazar… - Journal of the …, 2016 - Taylor & Francis
In this paper, we study ak-Travelling Repairmen Problem where the objective is to minimize
the sum of clients waiting time to receive service. This problem is relevant in applications …

An improved approximation guarantee for Prize-Collecting TSP

J Blauth, M Nägele - Proceedings of the 55th Annual ACM Symposium …, 2023 - dl.acm.org
We present a new approximation algorithm for the (metric) prize-collecting traveling
salesperson problem (PCTSP). In PCTSP, opposed to the classical traveling salesperson …

A better-than-1.6-approximation for prize-collecting TSP

J Blauth, N Klein, M Nägele - International Conference on Integer …, 2024 - Springer
Prize-Collecting TSP is a variant of the traveling salesperson problem where one may drop
vertices from the tour at the cost of vertex-dependent penalties. The quality of a solution is …

Where's waldo at time t? using spatio-temporal models for mobile robot search

T Krajník, M Kulich, L Mudrová… - … on Robotics and …, 2015 - ieeexplore.ieee.org
We present a novel approach to mobile robot search for non-stationary objects in partially
known environments. We formulate the search as a path planning problem in an …

[HTML][HTML] Two improved formulations for the minimum latency problem

F Angel-Bello, A Alvarez, I García - Applied Mathematical Modelling, 2013 - Elsevier
In network problems, latency is associated with the metric used to evaluate the length of the
path from a root vertex to each vertex in the network. In this work we are dealing with two …