Banach spaces with small weakly open subsets of the unit ball and massive sets of Daugavet and $\Delta$-points

Christian Cobollo, Daniel Isert, Ginés López-Pérez +6

We prove that there exists an equivalent norm $\Vert |\cdot |\Vert$ on $L_{\infty }[0,1]$ with the following properties: (1) The unit ball of $(L_\infty[0,1],\Vert\vert\cdot\ver…