On Unimodality of Independence Polynomials of some Well-Covered Trees

Vadim E. Levit, Eugen Mandrescu

The number of stable sets of cardinality $k$ in graph $G$ is the $k$-th coefficient of the independence polynomial of $G$ (I. Gutman and F. Harary, 1983). In 1990, Y. O. Hamidoune…