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• Exercises:Saul - Algebraic Topology - 7/Exercise 7.6
  # Compute the singular homology groups of {{M|T^2:\eq\mathbb{S}^1\times\mathbb{S}^1}} and of {{M|X:\eq\mathbb{S}^1 # Prove that {{M|T^2}} and {{M|X}} are not [[homotopy equivalent spaces]]
  10 KB (1,664 words) - 12:43, 1 March 2017
• Exercises:Saul - Algebraic Topology - 9/Exercise 9.7
  ...}} {{M|C(\mathbb{RP}^2)}}, is not a [[topological n-manifold with boundary|topological 3-manifold with boundary]]. I might have two solutions for this, I accidentally answered the wrong question initially.
  8 KB (1,299 words) - 13:33, 15 March 2017
• Simply connected topological space
  :: '''''Not to be confused with: ''' a [[contractible topological space]]'' Let {{Top.|X|J}} be a [[topological space]], we say {{M|X}} is ''simply connected'' if{{rITTMJML}}:
  4 KB (601 words) - 16:10, 24 April 2017