Descriptive Set Theory - Borel Equivalence Relations

A contemporary area of research in descriptive set theory studies Borel equivalence relations. A Borel equivalence relation on a Polish space X is a Borel subset of that is an equivalence relation on X.

Read more about this topic:  Descriptive Set Theory

Famous quotes containing the word relations:

    “What a man sows, that shall he and his relations reap.”
    —Clarissa Graves (1892–1985?)