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Create the page "A deformation retraction where there is no strong deformation retraction" on this wiki! See also the search results found.

• Notes:Types of retractions
  Here {{Top.|X|J}} is a [[topological space]] ! Retraction
  6 KB (1,008 words) - 11:56, 2 June 2016
• Contractible topological space
  Let {{Top.|X|J}} be a [[topological space]]. We say {{M|X}} is a ''contractible topological space'' if{{rITTMJML}}: ...(:X\rightarrow X)}} by {{M|(:x\mapsto c)}} for some constant {{M|c}}) that is [[homotopic maps|homotopic to]] {{M|\text{Id}_X:X\rightarrow X}} by {{M|\te
  3 KB (544 words) - 20:00, 24 April 2017