The seam elliptic complex is Fredholm (APS)
Standard Model and flavor structure
Compactify the oriented two-dimensional normal slice [formula in source] to [formula in source] . The geometric BRST/Hodge differential, restricted to the seam-even sector with Atiyah–Patodi–Singer boundary conditions on [formula in source] , is an elliptic operator on a compact manifold; hence it is Fredholm, with finite-dimensional kernel and cokernel and an integer index. The compact bosonic Higgs index selects [f
Opening source excerpt. Formulas and the full argument remain in the original document.
Source location and explicit evidence links
documents/tfpt_2_standard_model/sections/010-section-the-explicit-mass-gap-closes-dynamics-and-cluste.tex · lines 161 to 183
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