Extension of C-Smooth Functions by Linear Operators
Extension of C-Smooth Functions by Linear Operators
复制标题
线性算子对 C 平滑函数的扩展
DOI:
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
C. Fefferman
中科院分区:
文献类型:
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作者:
C. Fefferman
Let Cm,ω(Rn) be the space of functions on Rn whose mth derivatives have modulus of continuity ω. For E ⊂ Rn, let Cm,ω(E) be the space of all restrictions to E of functions in Cm,ω(Rn). We show that there exists a bounded linear operator T : Cm,ω(E) → Cm,ω(Rn) such that, for any f ∈ Cm,ω(E), we have Tf = f on E.