section and retraction
Sign in to saveAlso known as left and right inverses, left and right inverse morphisms, section and cosection, coretraction and retraction
two kinds of possible inverses of a morphism in a category
Connections
isomorphism
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morphism
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cancellation property
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mathematics
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algebra
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integer
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function
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topology
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digital object identifier
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empty set
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field
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inverse function
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injection
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surjective function
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modular arithmetic
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linear map
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domain of a function
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basis
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category theory
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axiom of choice
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