The traditional coal energy system cannot meet the requirements of modern industrial
production for sustainable development because extensive economic growth has caused …

Many studies have been proposed to prove that technical analysis can help investors make
trading decisions. The moving average (MA) is a widely used technical indicator that plays …

This paper discusses an uncertain multi-period portfolio selection problem in the situation
where the future security return rates are given by experts' estimations instead of historical …

Regression analysis estimates the relationships among variables which has been widely
used in growth curves, and cross-validation as a model selection method assesses the …

In complex security markets, uncertainty and randomness may coexist. The investors hold
different risk attitudes toward different investment objectives in reality. In order to reflect this …

Considering nonstatistical uncertainties and/or insufficient historical data in security return
forecasts, fuzzy set theory has been applied in the past decades to build portfolio selection …

The shortest path problem is considered as one of the essential problems in network
optimization with a wide range of real-world applications. Modelling such real-world …

This paper explores the elliptic entropy and the elliptic semi-entropy of a coherent fuzzy
number and discusses several of their properties. We propose a methodology that …

Product portfolio optimization is a typical multiobjective problem. The multichoice goal
programming method becomes a popular means of resolving multiobjective decision …

Chinese postman problem is one of the significant combinatorial optimization problems with
a wide range of real-world applications. Modelling such real-world applications quite often …