retract
Let be a topological space and a subspace of . If there exists a continuous map such that for all , then we say is a retract of and is a retraction.
Title | retract |
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Canonical name | Retract |
Date of creation | 2013-03-22 12:16:06 |
Last modified on | 2013-03-22 12:16:06 |
Owner | rspuzio (6075) |
Last modified by | rspuzio (6075) |
Numerical id | 6 |
Author | rspuzio (6075) |
Entry type | Definition |
Classification | msc 54C15 |
Related topic | DeformationRetraction |
Related topic | PeriodOfMapping |
Defines | retraction |