39 search results - page 2 / 8 » On the enumeration of d-minimal permutations |
DM
2006
13 years 5 months ago
2006
We complete the enumeration of Dumont permutations of the second kind avoiding a pattern of length 4 which is itself a Dumont permutation of the second kind. We also consider some ...
COMBINATORICS
1998
13 years 5 months ago
1998
Using Zeilberger’s factorization of two-stack-sortable permutations, we write a functional equation — of a strange sort — that defines their generating function according t...
DAM
2006
13 years 5 months ago
2006
A floorplan represents the relative relations between modules on an integrated circuit. Floorplans are commonly classified as slicing, mosaic, or general. Separable and Baxter per...
DAC
2011
ACM
12 years 5 months ago
2011
ACM
EJC
2007
13 years 5 months ago
2007
We consider in this work the enumeration of involutions by descent sets, and based on that, by descent numbers. Formulas of the number of involutions with a prescribed descent set...