Osterwalder-Schrader reflection positivity: ⟨θf,f⟩ ≥ 0; analytic continuation

Layer 1 — Physicsin the lattice-field-theory subtree

Osterwalder-Schrader reflection positivity framework — the defining Euclidean axiom that guarantees analytic continuation to a Lorentzian quantum field theory with a positive-definite Hilbert space (Osterwalder & Schrader, Commun. Math.…

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Cauchy integral formula
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