Registry · Theorem II.T12 established formalized

II.T12 — Boundary Minimality

The boundary lemniscate L = S^1 v S^1 is the minimal quotient of T^2 preserving both U(1) gauge factors, reducing codimension, with unique crossing point.

Book II Part 3 Ch. 16

Dependency Graph

Depends on (3)

I.T05 I.D18 II.D14

Depended on by (1)

II.P05

Lean Formalization

Module: TauLib.BookII.Topology.BoundaryMinimality

Symbol: boundary_minimal_check