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math.GT2019
MSS_18 is Digitally 18-contractible
Laurence Boxer
The paper [10] incorrectly asserts that the digital image MSS_18, a digital model of the Euclidean 2-sphere S^2, is not 18-contractible. We show this assertion is false.
math.GT2017★ 1 cited
Shy Maps in Topology
Laurence Boxer
There is a concept in digital topology of a shy map. We define an analogous concept for topological spaces: We say a function is shy if it is continuous and the inverse image of ev…
math.GT2017
Alternate Product Adjacencies in Digital Topology
Laurence Boxer
We study properties of Cartesian products of digital images, using a variety of adjacencies that have appeared in the literature.