Due to the volatility and uncertainty of the financial market, investors often use the form of
portfolio to actively manage their assets. Portfolio optimization (PO) is becoming more and …

The development, implementation, variant, and future directions of a new swarm intelligence
algorithm, brain storm optimization (BSO) algorithm, are comprehensively surveyed. Brain …

The cumulative capacitated vehicle routing problem (CCVRP) is a combinatorial
optimization problem which aims to minimize the sum of arrival times at customers. This …

Optimization, in general, is regarded as the process of finding optimal values for the
variables of a given problem in order to minimize or maximize one or more objective function …

Abstract Brain Storm Optimization (BSO) algorithm is a brand-new and promising swarm
intelligence algorithm by mimicking human being's behavior of brainstorming. This paper …

In this paper, a novel bacterial foraging optimization with decreasing chemotaxis step
combined with sine function is employed to solve a fuzzy portfolio optimization with a …

In this paper, a new kind of bacterial foraging optimization that combines with levy flight
(LBFO) is employed to solve a novel portfolio optimization (PO) problem with fuzzy variables …