Samplinglib
Lean gate passed 2026-08-19T06:32:39.895922+00:00 · 7bcd37294df1
production module

AutoSamplingTheory.TechnicalLemmas.StochasticProcesses.GlobalItoProcessProgressive

1 named declarations scanned from AutoSamplingTheory/TechnicalLemmas/StochasticProcesses/GlobalItoProcessProgressive.lean.

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theorem AutoSamplingTheory.TechnicalLemmas.StochasticProcesses.GlobalItoProcessProgressive.globalItoProcess_stronglyProgressive Compiled Not mapped

- The everywhere-continuous, strongly adapted global Itô integral built for Chewi Proposition 1.1.16 is strongly progressive.

theorem globalItoProcess_stronglyProgressive
    [IsProbabilityMeasure mu]
    (hUsual : SatisfiesUsualConditions filtration mu)
    (eta : GlobalLocalProgressiveL2Integrand filtration mu)
    (hB : IsBrownianMotionWithFiltration B filtration mu) :
    IsStronglyProgressive filtration
      (globalItoProcess hUsual eta hB) :=
  (globalItoProcess_stronglyAdapted hUsual eta hB).isStronglyProgressive_of_continuous
    (globalItoProcess_continuous hUsual eta hB)

end GlobalItoProcessProgressive
end StochasticProcesses
end TechnicalLemmas
end AutoSamplingTheory