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 ...

“Do you see the pattern? Each number in the series after the first two numbers is the sum of the preceding two numbers.” That’s how I began my last column focusing on the Fibonacci sequence, which ...

Financial ratios are used almost universally by companies of all sizes to provide numerical information on the profitability, health and direction of the business. Financial ratios provide useful ...

Given that humans have been studying numbers for thousands of years, you might think we know everything about the number 3. But mathematicians recently discovered something new about 3: a third way to ...

A number theorist with programming prowess has found a solution to 33 = x³ + y³ + z³, a much-studied equation that went unsolved for 64 years. Now, Andrew Booker, a mathematician at the University of ...