In mathematics, the simplex category (or simplicial category or ordinal category) is the category of finite ordinals and order preserving maps. It is used to define simplicial and cosimplicial objects.
Other articles related to "simplex category, category":
... The simplex category is usually denoted by and is sometimes denoted by Ord ... There are several equivalent descriptions of this category ... can be described as the category of finite ordinals as objects, thought of as totally ordered sets, and order preserving functions as morphisms ...
Famous quotes containing the word category:
“The truth is, no matter how trying they become, babies two and under dont have the ability to make moral choices, so they cant be bad. That category only exists in the adult mind.”
—Anne Cassidy (20th century)