Analysis and Geometry in Metric Spaces (Jan 2020)

Trace Operators on Regular Trees

  • Koskela Pekka,
  • Nguyen Khanh Ngoc,
  • Wang Zhuang

DOI
https://doi.org/10.1515/agms-2020-0117
Journal volume & issue
Vol. 8, no. 1
pp. 396 – 409

Abstract

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We consider different notions of boundary traces for functions in Sobolev spaces defined on regular trees and show that the almost everywhere existence of these traces is independent of the chosen definition of a trace.

Keywords