Dual functorial construction

AUTHORS:

• Nicolas M. Thiery (2009-2010): initial revision

class sage.categories.dual.DualFunctor

Bases: sage.categories.covariant_functorial_construction.CovariantFunctorialConstruction

A singleton class for the dual functor

class sage.categories.dual.DualObjectsCategory(category, *args)

Bases: sage.categories.covariant_functorial_construction.CovariantConstructionCategory