Figure 4From: Contractibility and fixed point property: the case of Khalimsky topological spaces Explanation of digital k -contractibility. (1) 4-contractibility of \(\mathit{SC}_{4}^{2, 4}\) [26]; (2) 8-contractibility of \(\mathit{SC}_{8}^{2, 4}\) [9, 11].Back to article page