[HTML][HTML] Bundle-based relaxation methods for multicommodity capacitated fixed charge network design

TG Crainic, A Frangioni, B Gendron - Discrete Applied Mathematics, 2001 - Elsevier
To efficiently derive bounds for large-scale instances of the capacitated fixed-charge
network design problem, Lagrangian relaxations appear promising. This paper presents the …

Multicommodity capacitated network design

B Gendron, TG Crainic, A Frangioni - Telecommunications network …, 1999 - Springer
Network design models have wide applications in telecommunications and transportation
planning; see, for example, the survey articles by Magnanti and Wong (1984), Minoux …

Algorithms for discrete and continuous multicommodity flow network interdiction problems

C Lim, JC Smith - IIE Transactions, 2007 - Taylor & Francis
We consider a network interdiction problem on a multicommodity flow network, in which an
attacker disables a set of network arcs in order to minimize the maximum profit that can be …

Leverage, debt maturity and firm investment: An empirical analysis

VA Dang - Journal of business finance & accounting, 2011 - Wiley Online Library
In this paper, we examine the potential interactions of corporate financing and investment
decisions in the presence of incentive problems. We develop a system‐based approach to …

Generalized bundle methods

A Frangioni - SIAM Journal on Optimization, 2002 - SIAM
We study a class of generalized bundle methods for which the stabilizing term can be any
closed convex function satisfying certain properties. This setting covers several algorithms …

Lagrangian heuristics based on disaggregated bundle methods for hydrothermal unit commitment

A Borghetti, A Frangioni, F Lacalandra… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
The paper presents a simple and effective Lagrangian relaxation approach for the solution
of the optimal short-term unit commitment problem in hydrothermal power-generation …

A survey on network design problems: main variants and resolution approaches

I Mejri, SB Layeb, F Zeghal - European Journal of Industrial …, 2023 - inderscienceonline.com
Over the last decades, network design problems (NDPs) have been one of the most
investigated combinatorial optimisation problems that are still catching the interest of both …

A matheuristic for integrated timetabling and vehicle scheduling

S Carosi, A Frangioni, L Galli, L Girardi… - … Research Part B …, 2019 - Elsevier
Planning a public transportation system is a complex process, which is usually broken down
in several phases, performed in sequence. Most often, the trips required to cover a service …

Solving a dynamic facility location problem with partial closing and reopening

SD Jena, JF Cordeau, B Gendron - Computers & Operations Research, 2016 - Elsevier
Motivated by an industrial application, we consider a recently introduced multi-period facility
location problem with multiple commodities and multiple capacity levels. The problem allows …

About Lagrangian methods in integer optimization

A Frangioni - Annals of Operations Research, 2005 - Springer
It is well-known that the Lagrangian dual of an Integer Linear Program (ILP) provides the
same bound as a continuous relaxation involving the convex hull of all the optimal solutions …