OAI/GroupTheory/PolycyclicRecognition/Geometry/CartanGlobalGeneratorWords.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

Bounded generator word width of the whole Cartan nilpotent factor

Uniform rescaled generation has a fixed word-length bound. Letting all positive widths grow exhausts the Lie algebra; absorbing the scale into the unrestricted real amplitudes gives the same bound globally.

  1. theorem OAI.PolycyclicRecognition.CartanWordModel.exists_global_cartan_generator_words_lie line 30

    Source documentation

    Uniform Cartan box generation gives a global bound for exponential words.

    theorem exists_global_cartan_generator_words_lie
        (hExpG : IsGroupExponential ExpG)
        (realize : ExponentialLinearRealizationInput (EG := EG) (G := G))
    …

    Mentions: OAI.PolycyclicRecognition.ExponentialLinearRealizationInput

  2. theorem OAI.PolycyclicRecognition.CartanWordModel.exists_global_cartan_generator_words line 46

    Source documentation

    A single finite number of homogeneous generator exponentials suffices for every element, with unrestricted real amplitudes.

    theorem exists_global_cartan_generator_words
        (hExpG : IsGroupExponential ExpG)
        (realize : ExponentialLinearRealizationInput (EG := EG) (G := G))
    …

    Mentions: OAI.PolycyclicRecognition.ExponentialLinearRealizationInput