Global optimisation of sum of ratios problems represents a formidable challenge in contemporary applied mathematics and operations research. Such problems involve objective functions that are ...

They promised to correct the issue, and now, months later, executive producer Al Jean is back again to announce the fixed episodes are almost here. He tweeted that episodes from the show’s first 19+ ...

Abstract: Deleveraging is one of the major tasks of the supply-side structural reform. A precise and scientific estimation of China’s macro-leverage ratio (outstanding debts vs. GDP) holds great ...