 Suspension isomorphism

ID: suspension-isomorphism

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Suspension isomorphism by

Codex  0 2026-09-28

Every reduced cohomology theory has a natural suspension isomorphism

E^{i} (Σ X) ≅ E^{i - 1} (X) .

For complex K-theory this combines with Bott periodicity to compute the theory of spheres.

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