An Extension of a Criterion for Unimodality
We prove that if P(x) is a polynomial with nonnegative nondecreasing coefficients and n is a positive integer, then P(x+n) is unimodal. Applications and open problems are presented.
© 2001 Alvarez, Amadis, et al.
Alvarez, Jenny, Miguel Amadis, George Boros, Dagan Karp, Victor H. Moll, Leobardo Rosales. "An extension of a criterion for unimodality." Electronic J. of Combinatorics. 2001. 8#R30.pg:1-5