In descriptive set theory, the Martin measure is a filter on the set of Turing degrees of sets of natural numbers, named after Donald A. Martin. Under the axiom of determinacy it can be shown to be an ultrafilter.
The Priory of Saint-Martin-des-Champs was an influential monastery established in what is now the city of Paris, France. Its surviving buildings are considered treasures of Medieval architecture in the city.
The geology of the Collectivity of Saint Martin consists of andesite tuff and tuff breccia from the middle and late Eocene, intruded by hypabyssal basalt, quartz diorite and younger andesite....
Isle Martin is an uninhabited island in Loch Broom, on the west coast of Scotland. It is the closest of the Summer Isles to Ullapool and has been the site...
I. Martin "Marty" Isaacs is a group theorist and representation theorist and professor emeritus of mathematics at the University of Wisconsin–Madison. He currently lives in Berkeley, California and is an...
