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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The prefix sum problem in computer science is a popular programming puzzle used to test the ...

A long-standing puzzle seems to constrain how addition and multiplication relate to each other. A graduate student has gone further than anyone else in establishing the connection. In 1983 the ...