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math.CO2019
Combinatorial generation via permutation languages. II. Lattice congruences
Hung Phuc Hoang, Torsten Mütze
This paper deals with lattice congruences of the weak order on the symmetric group, and initiates the investigation of the cover graphs of the corresponding lattice quotients. Thes…
cs.DM2019
Combinatorial generation via permutation languages. I. Fundamentals
Elizabeth Hartung, Hung Phuc Hoang, Torsten Mütze +1
In this work we present a general and versatile algorithmic framework for exhaustively generating a large variety of different combinatorial objects, based on encoding them as perm…