Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...
The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...
This is a preview. Log in through your library . Abstract Two examples of Galois connections and their dual forms are considered. One of them is applied to formulate a criterion when a given subset of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback