Diagram

Diagram#

class discopy.compact.Diagram(inside, dom, cod, _scan=True)[source]#

Bases: discopy.symmetric.Diagram, discopy.ribbon.Diagram, discopy.abc.CompactCategory

A compact diagram is a symmetric diagram and a ribbon diagram.

Parameters:

  • inside (Layer) – The layers of the diagram.

  • dom (pivotal.Ty) – The domain of the diagram, i.e. its input.

  • cod (pivotal.Ty) – The codomain of the diagram, i.e. its output.

ob#

alias of Ty

layer_factory#

alias of Layer

classmethod trace_factory(diagram, left=False)[source]#

The trace of a pivotal diagram is its pre- and post-composition with cups and caps to form a feedback loop.

Parameters:

  • diagram (Diagram) – The diagram to trace.

  • left – Whether to trace on the left or right.

cap_factory#

alias of Cap

cup_factory#

alias of Cup

factory#

alias of Diagram

functor_factory#

alias of Functor

permutation_factory#

alias of Permutation

swap_factory#

alias of Swap

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