9 Types of Morphisms in Bicategories
In this chapter, we study special kinds of morphisms in bicategories:
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Monomorphisms and Epimorphisms in Bicategories (Section 9.1 and Section 9.2). There is a large number of different notions capturing the idea of a “monomorphism” or of an “epimorphism” in a bicategory.
Arguably, the notion that best captures these concepts is that of a pseudomonic morphism (Definition 9.1.10.1.1) and of a pseudoepic morphism (Definition 9.2.10.1.1), although the other notions introduced in Section 9.1 and Section 9.2 are also interesting on their own.
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Section 9.1: Monomorphisms in Bicategories
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Subsection 9.1.1: Representably Faithful Morphisms
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Subsection 9.1.2: Representably Full Morphisms
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Subsection 9.1.3: Representably Fully Faithful Morphisms
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Definition 9.1.3.1.1: Representably Fully Faithful Morphisms
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Remark 9.1.3.1.2: Unwinding Representably Fully Faithful Morphisms
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Example 9.1.3.1.3: Examples of Representably Fully Faithful Morphisms
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Subsection 9.1.4: Morphisms Representably Faithful on Cores
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Subsection 9.1.5: Morphisms Representably Full on Cores
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Subsection 9.1.6: Morphisms Representably Fully Faithful on Cores
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Subsection 9.1.7: Representably Essentially Injective Morphisms
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Subsection 9.1.8: Representably Conservative Morphisms
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Subsection 9.1.9: Strict Monomorphisms
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Subsection 9.1.10: Pseudomonic Morphisms
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Section 9.2: Epimorphisms in Bicategories
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Subsection 9.2.1: Corepresentably Faithful Morphisms
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Subsection 9.2.2: Corepresentably Full Morphisms
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Subsection 9.2.3: Corepresentably Fully Faithful Morphisms
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Subsection 9.2.4: Morphisms Corepresentably Faithful on Cores
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Subsection 9.2.5: Morphisms Corepresentably Full on Cores
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Subsection 9.2.6: Morphisms Corepresentably Fully Faithful on Cores
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Subsection 9.2.7: Corepresentably Essentially Injective Morphisms
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Subsection 9.2.8: Corepresentably Conservative Morphisms
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Subsection 9.2.9: Strict Epimorphisms
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Subsection 9.2.10: Pseudoepic Morphisms