We find necessary and sufficient conditions for a separable metric space Y to possess the property that for any measurable space (X, A) and probability measure P on X × Y, P can be factored. Journal ...

The Poincaré conjecture has been in the news lately. Russian mathematician Grigori Perelman submitted a proof 3 years ago claiming that he had proved the famous conjecture. In August, he won a ...

As an international student in Canada, Chloe Yan was surprised when some of her college classmates struggled with math fundamentals she had learned in China. It left a strong impression that persisted ...