nLab dagger epimorphism

Definition

A morphism $f:hom_A(a,b)$ of a dagger category $A$ is a dagger epimorphism if $f \circ f^\dagger=1_a$.

See also

• self-adjoint morphism

• unitary morphism

• dagger monomorphism

• dagger epimorphism

References

• Chris Heunen, Andre Kornell, Axioms for the category of Hilbert spaces (arXiv:2109.07418)