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The Patagonian toothfish, Dissostichus eleginoides, is a fish with high commercial value in all countries bordering the southern cone of Pacific and Atlantic waters. Like most fishing landings, the fishing status of the toothfish has collapsed, and thus ecosystem-based fisheries management is needed in Antarctic waters. Therefore, the stomach contents, stable isotopes, and gastric evacuation and food...
The present article solves the classic problem of optimization of investment portfolios, using the model of average-variance and proposing a way to calculate the volatility through the generalized autoregressive conditional heteroskedasticity (GARCH) models. The problem is solved through a bio-inspired metaheuristic, called artificial bee colony (ABC), whose objective is to reduce the computational...
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