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Subsets and Freezing Sets in the Digital Plane (2010.10005v1)
Published 18 Oct 2020 in math.GT and math.CO
Abstract: We continue the study of freezing sets for digital images introduced in [4, 2, 3]. We prove methods for obtaining freezing sets for digital images (X, c_i) for X \subset Z2 and i \in {1, 2}. We give examples to show how these methods can lead to the determination of minimal freezing sets.
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