JBBB, a robust exchange-traded fund, currently faces significant headwinds from lower rates and tight spreads. Read why JBBB ...

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Abstract: Linear fusion of estimates under the condition of no knowledge of correlation of estimation errors has reached maturity. On the other hand, various cases of partial knowledge are still ...

Abstract: Although knowledge transfer methods are developed for many-task optimization problems, they tend to utilize solutions from a single task for knowledge transfer. Indeed, there are usually ...