Whitney's extension problem for Cm

• 成果类型: Article
• 署名作者: Fefferman, Charles
• 刊物名称: ANNALS OF MATHEMATICS
• ISSN/ISSBN: 0003-486X
• DOI: 10.4007/annals.2006.164.313
• 发表日期: 2006
• 页码: 313-359
• 关键词: mappings

摘要

Let f be a real-valued function on a compact set in R-n, and let m be a positive integer. We show how to decide whether f extends to a C-m function on R-n.