中原大學九十二學年度博士班入學招生考試

92年6月11日 08:30~10:00 應用數學系  誠實是我們珍視的美德,
我們喜愛「拒絕作弊,堅守正直」的你!
科目:分析 (共1頁第1頁)

Part I. Advances Calculus
1. (10分) Suppose that is bounded and that is defined by
Prove that f is Riemann-Stieltjes integrable with respect to over
[-1, 1] if and only if .
 

 

     
2. Suppose that a<b and that is a convex function;i.e.,
for all and all .
  (a)(10分) Show that, if a<x<z<y<b, then
.
  (b)(10分) Prove that, for each , both the limits
  (c)(10分) Prove that the set is at most countable.
     
3. (10分) Prove that converges if ,|z|=1, and .
     
     
Part II. Real Analysis
1. Suppose is a measure space and . Let be given.
  (a)(10分) Prove that there exists a such that
whenever and .
  (b)(10分) Prove that there exists a measurable set such that.
     
2. (10分) Suppose that and define
Show that .
     
3. Let be a measure space with .
  (a) (10分) Prove that, if , then .
  (b) (10分)
Assume that . Show that .
     
--- END ---