In this lecture we survey all the things we skipped/ran out of time to cover during the course itself. These include:

  • The Hurewicz Theorem,
  • The Blakers-Massey Theorem,
  • The Whitehead Theorem,
  • Approximating spaces by cell complexes,
  • The general existence-uniqueness result for Eilenberg-Steenrod homology theories (we proved the "baby" version of this theorem in Lecture 21-22.)

Everything in this lecture is (of course!) non-examinable.

🎉 Thank you everyone for attending the course over the year! 🎉

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