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Density not realizable as the Jacobian determinant of a bilipschitz map

  • Vojtěch Kaluža EMAIL logo
Veröffentlicht/Copyright: 5. Mai 2016

Abstract

Are every two separated nets in the plane bilipschitz equivalent? In the late 1990s, Burago and Kleiner and, independently, McMullen resolved this beautiful question negatively. Both solutions are based on a construction of a density function that is not realizable as the Jacobian determinant of a bilipschitz map. McMullen's construction is simpler than the Burago–Kleiner one, and we provide a full proof of its nonrealizability, which has not been available in the literature.

Funding source: Czech Science Foundation

Award Identifier / Grant number: CE-ITI (P202/12/G061)

Award Identifier / Grant number: SVV-2015-260223

Funding statement: The author was supported by the grant CE-ITI (P202/12/G061) of the Czech Science Foundation and by the grant SVV-2015-260223 of the Ministry of Education, Youth and Sports of the Czech Republic.

A preliminary version appeared in Czech as a part of the author's bachelor thesis [5] at the Charles University in Prague in 2012. I would like to thank my supervisor Professor Jiří Matoušek for valuable advice and help he has given me during my studies and in writing this article. I would also like to thank the referees for many helpful comments.

References

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Received: 2015-9-7
Revised: 2015-11-25
Accepted: 2016-4-6
Published Online: 2016-5-5
Published in Print: 2016-6-1

© 2016 by De Gruyter

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