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math.CO2015★ 2 cited
On the enumeration of restricted words over a finite alphabet
Daniel Birmajer, Juan B. Gil, Michael D. Weiner
We present a method for the enumeration of restricted words over a finite alphabet. Restrictions are described through the inclusion or exclusion of suitable building blocks used t…
math.CO2015★ 6 cited
Colored partitions of a convex polygon by noncrossing diagonals
Daniel Birmajer, Juan B. Gil, Michael D. Weiner
For any positive integers and , we enumerate all colored partitions made by noncrossing diagonals of a convex polygon into polygons whose number of sides is congruent to …