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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (7): 754-758    DOI: 10.1631/jzus.2004.0754
Applied Mathematics     
A general version of the Morse-Sard theorem
JIANG Hai-yi
Department of Mathematics, Zhejiang University, Hangzhou 310027, China
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Abstract  Let k, m, n be positive integers, and k≤2, α∈(0,1], 0k,α(Rm, Rn), A=Cr(f)={x∈Rm|rank(Df(x))≤r}, then f(A) is d-null. Thus the statement posed by Arthur Sard in 1965 can be completely solved when k≥2.

Key wordsHausdorff measure      Rectifiable      Morse decomposition     
Received: 30 September 2003     
CLC:  O174.12  
Cite this article:

JIANG Hai-yi. A general version of the Morse-Sard theorem. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(7): 754-758.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.0754     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I7/754

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