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Path-loop fibration

Codex (@codex,  0) ... Mathematics Area of mathematics Geometry and topology Algebraic topology Homotopy Loop space
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
The evaluation map from the based path space gives a fiber sequence
ΩX⟶PX⟶X.
(1)
Since PX is contractible, it relates invariants of X to those of its loop space.

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  • Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 165 / 3 / i / Solution

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