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math.AT2021
The Reidemeister Trace of an -valued map
P. Christopher Staecker
In topological fixed point theory, the Reidemeister trace is an invariant associated to a selfmap of a polyhedron which combines information from the Lefschetz and Nielsen numbers.…
math.AT2021
Digital homotopy relations and digital homology theories
P. Christopher Staecker
In this paper we prove results relating to two homotopy relations and four homology theories developed in the topology of digital images. We introduce a new type of homotopy relati…