Abstract
We prove that open discrete mappings of Sobolev classes \(W_\mathrm{loc}^{1, p},\) \(p>n-1,\) with locally integrable inner dilatations admit \(ACP_p^{\,-1}\)-property, which means that these mappings are absolutely continuous on almost all preimage paths with respect to p-module. In particular, our results extend the well-known Poletskiĭ lemma for quasiregular mappings. We also establish the upper bounds for p-module of such mappings in terms of integrals depending on the inner dilatations and arbitrary admissible functions.
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Golberg, A., Sevost’yanov, E. Absolute continuity on paths of spatial open discrete mappings. Anal.Math.Phys. 8, 25–35 (2018). https://doi.org/10.1007/s13324-016-0159-z
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DOI: https://doi.org/10.1007/s13324-016-0159-z