eng Science and Education Publishing Turkish Journal of Analysis and Number Theory 2333-1232 2018-05-20 6 3 72 83 10.12691/tjant-6-3-2 TJANT2018632 article Frej Chouchene frej.chouchene@essths.u-sousse.tn 1 Department of Mathematics, University of Sousse, Higher School of Sciences and Technology of Hammam Sousse, 4011 Hammam Sousse, Tunisia In this paper we establish Turán type inequalities for Jacobi-Dunkl polynomials. These complete an earlier result proven by G. Gasper in [1], for Jacobi polynomials. http://pubs.sciepub.com/tjant/6/3/2/tjant-6-3-2.pdf Jacobi polynomials Jacobi-Dunkl polynomials Turán type inequalities