Title of article :
Stack-Sortable Permutations and Polynomials
Author/Authors :
Guloglu, I. S. Dogus University - Department of Mathematics, TURKEY , Koc, C. Dogus University - Department of Mathematics, Turkey
Abstract :
The Catalan numbers show up in a diverse variety of counting problems. In this note we give yet another characterization of the Catalan number C(n). It is characterized as the dimension of a certain space of multilinear polynomials by exhibiting a basis.
Keywords :
Catalan numbers , stack , sortable permutations , permutations acting on polynomials.
Journal title :
Turkish Journal of Mathematics
Journal title :
Turkish Journal of Mathematics