On the μ-admissible set in the extended affine Weyl groups of E₆ and E₇
classification
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admissibleaffineagreecasescoweightsexamplesexplicitextended
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Giving explicit examples we show that the $\mu$-admissible set and the $\mu$-permissible set do not agree for non-trivial minuscule coweights in the cases of $E_6$ and $E_7$.
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