The Redheffer Matrix of a Partially Ordered Set

@article{Wilf2004TheRM,
  title={The Redheffer Matrix of a Partially Ordered Set},
  author={Herbert S. Wilf},
  journal={Electron. J. Comb.},
  year={2004},
  volume={11}
}
  • H. Wilf
  • Published 2004
  • Mathematics, Computer Science
  • Electron. J. Comb.
R. Redheer described an nn matrix of 0’s and 1’s the size of whose determinant is connected to the Riemann Hypothesis. We describe the permutations that contribute to its determinant and its permanent in terms of integer factorizations. We generalize the Redheer matrix to nite posets that have a 0 element and nd the analogous results in the more general situation. 

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