Permutations which are the union of an increasing and a decreasing subsequence.
Some equinumerous pattern-avoiding classes of permutations.
Sorting with a forklift.
The enumeration of simple permutations.
Pattern avoidance classes and subpermutations.
Counting 1324, 4231-avoiding permutations.
On packing densities of permutations.
Growth rates for subclasses of Av(321).
Sorting classes.
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