How to allocate resources and select the type of investment is very important . The optimal allocation, especially in the financial markets of countries that are paced growth factor, is very significance. In this research toward optimizing resource allocation, an innovative learning algorithm...

A cardinality-constrained portfolio caps the number of stocks to be traded across and within groups or sectors. These limitations arise from real-world scenarios faced by fund managers, who are constrained by transaction costs and client preferences as they seek to maximize return and limit...

Fuzzy mathematical programming is a main approach of multi-objective decision making, which prepares the decision makers to obtain the solution that satisfies his/her preference. In this paper, a fuzzy weighted max–min model for a mean–absolute deviation portfolio selection problem with real...