Category theory; homological algebra Limits and colimits Concept
Pushout
Summary
A pushout is the colimit of a diagram made of two morphisms with a common source. It glues two objects together along the images of a third object. Pushouts give gluing of spaces, amalgamated free products of groups and tensor products of commutative rings. It is the dual notion of a pullback.
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About this page
| Tag | Q699KKMVJD |
|---|---|
| URI | m2://Q699KKMVJD |
| Kind | concept |
| Writing | W0 stub |
| MSC | 18A30 |
| Specializes | Colimit |
| Same as | |
| Changed | 2 November 2026 |
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