Examples concerning Whitney's Cm extension problem

Edward Bierstone, Charles Fefferman, Pierre D. Milman, WiesŁaw PawŁucki

Research output: Contribution to journalArticle

Abstract

We present several examples connected with our articles on Whitney's extension problem. The first shows that Glaeser iterations cannot be avoided in the Cm extension criterion of [F2], and the remaining three are counterexamples to Cm extension assuming a weaker criterion that was used to prove a C extension theorem for closed subanalytic sets, in [BMP1].

Original languageEnglish (US)
Pages (from-to)833-845
Number of pages13
JournalMathematical Research Letters
Volume13
Issue number5-6
DOIs
StatePublished - 2006

All Science Journal Classification (ASJC) codes

  • Mathematics(all)

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