A Note on the Shortest Spanning Tree Problem, by

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

SOLVING A STEP FIXED CHARGE TRANSPORTATION PROBLEM BY A SPANNING TREE-BASED MEMETIC ALGORITHM

In this paper, we consider the step fixed-charge transportation problem (FCTP) in which a step fixed cost, sometimes called a setup cost, is incurred if another related variable assumes a nonzero value. In order to solve the problem, two metaheuristic, a spanning tree-based genetic algorithm (GA) and a spanning tree-based memetic algorithm (MA), are developed for this NP-hard problem. For compa...

متن کامل

A note on k-shortest paths problem

It is well-known that in a directed graph, if deleting any edge will not affect the shortest distance between two specific vertices s and t, then there are two edge-disjoint paths from s to t and both of them are shortest paths. In this paper, we generalize this to shortest k edge-disjoint s-t paths for any positive integer k.

متن کامل

On the Shortest Path and the Minimum Spanning Tree Problems

2005A7TS183P, in partial fulfillment of the requirements for BITS C421T Thesis, embodies the work done by him under my supervision. Acknowledgements I am extremely grateful to my supervisor, Kiran D.C. for his unstinting help throughout the course of my thesis work. I especially wish to thank him for allowing me to work with a great deal of freedom, and for guiding and supporting me in my other...

متن کامل

A Metaheuristic Algorithm for the Minimum Routing Cost Spanning Tree Problem

The routing cost of a spanning tree in a weighted and connected graph is defined as the total length of paths between all pairs of vertices. The objective of the minimum routing cost spanning tree problem is to find a spanning tree such that its routing cost is minimum. This is an NP-Hard problem that we present a GRASP with path-relinking metaheuristic algorithm for it. GRASP is a multi-start ...

متن کامل

A Note on the Complexity of the Generalized Minimum Spanning Tree Problem

We consider the Generalized Minimum Spanning Tree Problem denoted by GMST. It is known that the GMST problem is NP-hard. We present a stronger result regarding the complexity of the problem, namely, the GMST problem even on trees is NP-hard. As well as we present three cases when the GMST problem is solvable in polynomial time.

متن کامل

ذخیره 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: Geographical Analysis

سال: 2010

ISSN: 0016-7363

DOI: 10.1111/j.1538-4632.1978.tb00658.x