The standard method for experimentally determining the probability distribution of an observable in quantum mechanics is the measurement of the observable spectrum. However, for infinite-dimensional ...

This is a preview. Log in through your library . Abstract We study the variance-to-mean ratio of the distributions of parasites among hosts for some models of parasite infection, using the cohort ...

We consider a hedger with a mean-variance objective who faces a random loss at a fixed time. The size of this loss depends quite generally on two correlated asset prices, while only one of them is ...