Proof — Exotic spheres and Milnor K-theory
Statement
Milnor constructed exotic differential structures on S⁷ and developed algebraic K-theory invariants (Milnor K₂).
Formula
Θ_n finite; exotic S⁷
Equation
|Θ_7| = 28
Source
Canonical lineament aligned with TANAAKK IAS Faculty Emeriti index (2026); consult specialist monographs for full proofs.
Domains
mathematics