Category

class discopy.compact.Category(ob=None, ar=None)

Bases: discopy.symmetric.Category, discopy.ribbon.Category

A compact category is both a symmetric category and a ribbon category.

Parameters:

• ob (type) – The objects of the category, default is pivotal.Ty.

• ar (type) – The arrows of the category, default is Diagram.

ob

alias of Ty

ar

alias of Diagram