Exact and Heuristic Algorithms for the Carrier–Vehicle Traveling Salesman Problem
نویسندگان
چکیده
This paper presents new structural properties for the carrier–vehicle traveling salesman problem. The authors provide a mixed-integer second-order conic optimization formulation, with associated optimality cuts based on properties, and an iterated local search (ILS) algorithm. Computational experiments instances from literature demonstrate superiority of formulation to existing models algorithms in literature, high-quality solutions found by ILS
منابع مشابه
Heuristic and exact algorithms for Generalized Bin Covering Problem
In this paper, we study the Generalized Bin Covering problem. For this problem an exact algorithm is introduced which can nd optimal solution for small scale instances. To nd a solution near optimal for large scale instances, a heuristic algorithm has been proposed. By computational experiments, the eciency of the heuristic algorithm is assessed.
متن کاملNew Heuristic Algorithms for Solving Single-Vehicle and Multi-Vehicle Generalized Traveling Salesman Problems (GTSP)
Among numerous NP-hard problems, the Traveling Salesman Problem (TSP) has been one of the most explored, yet unknown one. Even a minor modification changes the problem’s status, calling for a different solution. The Generalized Traveling Salesman Problem (GTSP)expands the TSP to a much more complicated form, replacing single nodes with a group or cluster of nodes, where the objective is to fi...
متن کاملGenetic Algorithms for the Traveling Salesman Problem
This paper is a survey of genetic algorithms for t h e traveling salesman problem. Genetic algorithms are randomized search techniques that simulate some of the processes observed i n natural evolution. In this paper, a simple genetic algorithm is introduced, and various extensions are presented to solve t h e traveling salesman problem. Computational results are also repor ted for both random ...
متن کاملApproximation algorithms for the traveling salesman problem
We first prove that the minimum and maximum traveling salesman problems, their metric versions as well as some versions defined on parameterized triangle inequalities (called sharpened and relaxed metric traveling salesman) are all equi-approximable under an approximation measure, called differential-approximation ratio, that measures how the value of an approximate solution is placed in the in...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Transportation Science
سال: 2021
ISSN: ['0041-1655', '1526-5447']
DOI: https://doi.org/10.1287/trsc.2020.0999