In social networks, trust relationships are the basis for interactions among decision nodes.
Trust relationships are subjective and dynamic, and there are only few sample data to …

The complexity of financial markets leads to different types of indeterminate asset returns.
For example, asset returns are considered as random variables, when the available data is …

Since the financial markets are complex, sometimes the future security returns are
represented mainly based on experts' judgments. This paper discusses a portfolio adjusting …

Portfolio optimization problem is concerned with choosing an optimal portfolio strategy that
can strike a balance between maximizing investment return and minimizing investment risk …

Financial market is a complex system full of unknown and indeterminacy. It is well known
that uncertainty and randomness are two basic types of indeterminacy. Hence, the …

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 …

Facility location-allocation problem aims at determining the locations of some facilities to
serve a set of spatially distributed customers and the allocation of each customer to the …

Entropy is used as a measure to characterize the uncertainty. So far, entropy for uncertain
variables in the forms of logarithm function and triangular function has been proposed. This …

The selection of the most adapted project management method (PMM) can contribute to the
success of information technology (IT) projects and hence the company's optimized …

This paper studies comparative static effects in a portfolio selection problem when the
investor has mean-variance preferences. Since the security market is complex, there exists …