Managing ESG ratings disagreement in sustainable portfolio selection
In sustainable portfolio selection, investors have a twofold objective: they want to achieve
the best compromise between portfolio risk and return, but they also want to take into …
the best compromise between portfolio risk and return, but they also want to take into …
[HTML][HTML] A branch-and-price approach for the continuous multifacility monotone ordered median problem
In this paper, we address the Continuous Multifacility Monotone Ordered Median Problem.
The goal of this problem is to locate p facilities in R d minimizing a monotone ordered …
The goal of this problem is to locate p facilities in R d minimizing a monotone ordered …
A branch-price-and-cut procedure for the discrete ordered median problem
The discrete ordered median problem (DOMP) is formulated as a set-partitioning problem
using an exponential number of variables. Each variable corresponds to a set of demand …
using an exponential number of variables. Each variable corresponds to a set of demand …
A comparative study of different formulations for the capacitated discrete ordered median problem
This paper deals with the capacitated version of discrete ordered median problems. We
present different formulations considering three-index variables or covering variables to …
present different formulations considering three-index variables or covering variables to …
Transitivity analysis of preference relations under the impact of indifferent voters
F Liu, MY Qiu, DH Zhou - Granular Computing, 2023 - Springer
Voting is a common way to reach consensus between decision makers with incompatible
opinions in a practical situation. Under the situation with indifferent voters, the pairwise …
opinions in a practical situation. Under the situation with indifferent voters, the pairwise …
Constraint relaxation for the discrete ordered median problem
This paper compares different exact approaches to solve the Discrete Ordered Median
Problem (DOMP). In recent years, DOMP has been formulated using set packing constraints …
Problem (DOMP). In recent years, DOMP has been formulated using set packing constraints …
A risk-aversion approach for the Multiobjective Stochastic Programming problem
Multiobjective stochastic programming is a field that is well suited to tackling problems that
arise in many fields: energy, financial, emergencies, among others; given that uncertainty …
arise in many fields: energy, financial, emergencies, among others; given that uncertainty …
Maximizing political vote in multiple districts
HA Eiselt, V Marianov - Socio-Economic Planning Sciences, 2020 - Elsevier
This paper models a resource allocation problem in the political context. Voters and political
candidates of two parties are positioned in each of n given electoral districts. We assume …
candidates of two parties are positioned in each of n given electoral districts. We assume …
Goal programming approach for political districting in Santa Catarina State: Brazil
AK Hirose, CT Scarpin, JE Pécora Junior - Annals of Operations Research, 2020 - Springer
In the Brazilian judiciary, the Electoral Registry Offices (EROs) are responsible for managing
the Brazilian electoral districts. Moreover, not only do they organize elections in their district …
the Brazilian electoral districts. Moreover, not only do they organize elections in their district …
A branch-and-price approach for the continuous multifacility monotone ordered median problem
In this paper, we address the Continuous Multifacility Monotone Ordered Median Problem.
The goal of this problem is to locate facilities in minimizing a monotone ordered weighted …
The goal of this problem is to locate facilities in minimizing a monotone ordered weighted …