The $s$-weak order and $s$-permutahedra ii: the combinatorial complex of pure intervals

HIGHLIGHTS

• What: The aim of the first paper was to develop the combinatorial foundations for the study of the s-weak order and the s-Tamari lattice, two partially ordered structures defined on certain families of decreasing trees, see examples in Figures 1- 2 and 3. The authors show that they hold in full generality in dimensions 2 and 3 (Section 9). Beside the paper, the authors provide the SageMath code used to reach the results the electronic journal of combinatorics 31(3) , #P3.12 Figure 4: The authors show an example of the computation of the join . . .
  

   

  

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