On the sign-imbalance of permutation tableaux

@article{Chen2016OnTS,
  title={On the sign-imbalance of permutation tableaux},
  author={Joanna N. Chen and Robin D. P. Zhou},
  journal={Adv. Appl. Math.},
  year={2016},
  volume={86},
  pages={1-18}
}
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Block decomposition and statistics arising from permutation tableaux

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