%0 Journal Article %A López Abad, J. %A Ruiz Bermejo, César %A Tradacete Pérez, Pedro %T The convex hull of a Banach-Saks set %D 2014 %@ 0022-1236 %U https://hdl.handle.net/20.500.14352/34839 %X A subset A of a Banach space is called Banach–Saks when every sequence in A has a Cesàro convergent subsequence. Our interest here focuses on the following problem: is the convex hull of a Banach–Saks set again Banach–Saks? By means of a combinatorial argument, we show that in general the answer is negative. However, sufficient conditions are given in order to obtain a positive result. %~