Abstract
Two results are given, which use Tabor groupoids for questions of stability in the sense of Pólya–Szegő–Hyers–Ulam. We also start to study Tabor groupoids in their own right.
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Badora, R., Przebieracz, B. & Volkmann, P. On Tabor groupoids and stability of some functional equations. Aequat. Math. 87, 165–171 (2014). https://doi.org/10.1007/s00010-013-0206-x
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DOI: https://doi.org/10.1007/s00010-013-0206-x