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retraction [2013/05/23 15:37] nikolaj |
retraction [2014/03/21 11:11] (current) |
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===== Retraction ===== | ===== Retraction ===== | ||
- | ==== Definition ==== | + | ==== Set ==== |
| $X,S$ | | | $X,S$ | | ||
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==== Ramifications ==== | ==== Ramifications ==== | ||
==== Reference ==== | ==== Reference ==== | ||
- | ==== Context ==== | + | Wikipedia: [[http://en.wikipedia.org/wiki/Deformation_retract|Deformation retract]] |
- | === Refinement of === | + | ==== Parents ==== |
- | [[Function]] | + | === Related === |
- | === Parents === | + | |
[[Identity relation]] | [[Identity relation]] |