Quasisymmetry, measure and a question of Heinonen
Author(s) -
Stephen Semmes
Publication year - 1996
Publication title -
revista matemática iberoamericana
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.569
H-Index - 52
eISSN - 2235-0616
pISSN - 0213-2230
DOI - 10.4171/rmi/213
Subject(s) - mathematics , measure (data warehouse) , extension (predicate logic) , euclidean geometry , absolute (philosophy) , metric space , metric (unit) , discrete mathematics , calculus (dental) , combinatorics , pure mathematics , algebra over a field , computer science , epistemology , data mining , geometry , medicine , philosophy , operations management , programming language , economics , dentistry
In this paper we resolve in the affirmative a question of Heinonen on the absolute continuity of quasisymmetric mappings defined on subsets of Euclidean spaces. The main ingredients in the proof are extension results for quasisymmetric mappings and metric doubling measures.
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