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 ...

Guterres warns against erosion of international law and cooperation Multilateralism under assault, secretary-general says, amid global conflicts, US funding cuts Guterres prioritizes AI governance to ...

Global problems will not be solved by one power “calling the shots” or by splitting the world into rival spheres, United Nations Secretary-General Antonio Guterres said on Thursday in comments ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. As global temperatures rise from the burning of fossil fuels, researchers and ...