Abstract: We study Markowitz's mean-variance portfolio optimization problem. When practically using this model, the mean vector and the covariance matrix of the assets returns often need to be ...

Add Yahoo as a preferred source to see more of our stories on Google. New crime statistics for Connecticut show a significant drop off in many categories, and the numbers touted are welcome news for ...

New crime statistics for Connecticut show a significant drop off in many categories, and the numbers touted are welcome news for the state's top law enforcement officials. Donald Trump threatens to ...

Most players know how to place a bet in roulette. Fewer know how each bet behaves over time. Behind every spin, there is a fixed set of outcomes and a set of numbers that actually shape your chances ...