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A Characterization of BLD-Mappings Between Metric Spaces

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Abstract

We prove a characterization theorem for BLD-mappings between complete locally compact path-metric spaces. As a corollary, we obtain a sharp limit theorem for BLD-mappings.

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Acknowledgements

The author would like to thank, once again, his advisor Pekka Pankka for introducing him to the world of BLD geometry. The ideas presented in this manuscript have been incubating for a long time and have been worked on during several wonderful mathematical events, but the author would like to mention the School in Geometric Analysis, Geometric analysis on Riemannian and singular metric spaces at Lake Como School of Advanced Studies in the fall of 2013 and the Research Term on Analysis and Geometry in Metric Spaces at ICMAT in the spring of 2015 as especially fruitful events concerning the current work. The author is especially grateful for all the interesting discussions with fellow mathematicians at these, and other, events. The contents of this paper were improved further by the author’s discussions with Piotr Hajłasz and his students while visiting University of Pittsburgh in 2016. Finally, the thoroughness and comments of the anonymous referee are gratefully acknowledged and have improved the readability of the manuscript. The author was supported by the Väisälä foundation.

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  1. Department of Mathematics and Statistics, University of Helsinki, P.O. Box 68, Gustaf Hällströmin katu 2b, 00014, Helsinki, Finland

    Rami Luisto

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  1. Rami Luisto
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Correspondence to Rami Luisto.

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Luisto, R. A Characterization of BLD-Mappings Between Metric Spaces. J Geom Anal 27, 2081–2097 (2017). https://doi.org/10.1007/s12220-016-9752-5

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