On the $\mu$-admissible set in the extended affine Weyl groups of $E_6$   and $E_7$
  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 $E_7$. 
Lisa Sauermann
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