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Published online by Cambridge University Press: 11 November 2025
Recently, Barros et al. [‘On the shortest distance between orbits and the longest common substring problem’, Adv. Math. 344 (2019), 311–339] adopted a dynamical system perspective to study the decay of the shortest distance between orbits. We calculate the Hausdorff dimensions of the exceptional sets arising from the shortest distance between orbits in conformal iterated function systems.
The work was supported by the National Natural Science Foundation of China (12501109) and the Scientific Research Project of Colleges and Universities in Anhui Province (2024AH050016).