Real Analysis |
From inside the book
Results 1-3 of 38
Page 132
... continuous real - valued function ƒ on X such that 0 ≤ƒ≤1 , ƒ = 0 on A and ƒ = == 1 on B. 22. Tietze's Extension Theorem : Let X be a normal topological space , A a closed subset and ƒ a continuous real - valued function on A. Then ...
... continuous real - valued function ƒ on X such that 0 ≤ƒ≤1 , ƒ = 0 on A and ƒ = == 1 on B. 22. Tietze's Extension Theorem : Let X be a normal topological space , A a closed subset and ƒ a continuous real - valued function on A. Then ...
Page 151
... functions takes different values on these points . Hence Theorem 25 applies . I Problems 19. Let f be a continuous periodic real - valued function on R1 with period 2π ; that is f ( x + 2 ′′ ) = f ( x ) . Show that given > 0 , there is ...
... functions takes different values on these points . Hence Theorem 25 applies . I Problems 19. Let f be a continuous periodic real - valued function on R1 with period 2π ; that is f ( x + 2 ′′ ) = f ( x ) . Show that given > 0 , there is ...
Page 152
... continuous real- valued function f on X x Y and each e > 0 , we can find continuous real- valued functions 81 , ... 9 gn on X and h1 , . h , on Y such that for each ( x , y ) e X x Y we have ε .... n \ ƒ ( x , y ) − ₹ 8 , ( x ) h ...
... continuous real- valued function f on X x Y and each e > 0 , we can find continuous real- valued functions 81 , ... 9 gn on X and h1 , . h , on Y such that for each ( x , y ) e X x Y we have ε .... n \ ƒ ( x , y ) − ₹ 8 , ( x ) h ...
Other editions - View all
Common terms and phrases
A₁ absolutely continuous axiom B₁ Baire set Banach space Borel equivalent Borel sets Borel subset bounded linear functional called Cauchy sequence closed sets cluster point Co(X compact Hausdorff space compact space continuous function continuous real-valued functions convex set Corollary countable collection Daniell integral definition denote E₁ E₂ elements finite measure finite number following proposition function defined function f ƒ and g given Hausdorff space Hence homeomorphism infinite L₁ Lebesgue measure Lemma Let f Let ƒ linear manifold measurable function measurable sets measure algebra measure space measure zero metric space monotone natural numbers nonempty nonnegative measurable function o-algebra o-finite one-to-one open intervals open set outer measure point of closure Problem Proof Prove rational numbers semicontinuous set function set of finite set of measure Show simple function topological space unique vector lattice x₁