Journal of Inequalities and Applications 
Volume 3 (1999), Issue 1, Pages 45-49
doi:10.1155/S102558349900003X

Equivalence of Markov’s and Schur’s inequalities on compact subsets of the complex plane

L. Białas-Cież

 Department of Mathematics, Jagiellonian University, Reymonta 4, Kraków 30-059, Poland
Received 24 March 1997; Revised 3 September 1997

Abstract

We prove that, on an arbitrary compact subset of the complex plane, Markov’s and Schur’s inequalities are equivalent.