Digital Homotopy with Obstacles
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R. Ayala; E. Domínguez; A.R. Francés; A. Quintero
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Article
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2001
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Elsevier Science
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English
⚖ 287 KB
As a sequel of [4], this paper is devoted to the computation of the digital fundamental group π d 1 (O/S; σ) defined by loops in the digital object O for which the digital object S acts as an "obstacle". We prove that for arbitrary digital spaces the group π d 1 (O/S; σ) maps onto the usual fundamen