Mathematics · Functional Analysis
Let C[0, 1] be the ℝ-vector space of real-valued continuous functions equipped with the norm ||f|| = supx ∈ [0,1] |f(x)|. Let T: C[0, 1] → C[0, 1] be defined as T(f)(x) = ∫0x f(t) dt, for x ∈ [0,1]. Which of the following statements is true?
- 1||Tn|| → &infty; as n → &infty;.
- 2The set {f ∈ C[0,1] | T(f) = f} contains infinitely many elements.
- 3There exists a ∈ (0,1) such that for all f, g ∈ C[0,1], ||T2(f) - T2(g)|| ≤ a ||f - g||✓
- 4There exists a ∈ (0,1) such that for all f, g ∈ C[0,1], ||T(f) - T(g)|| ≤ a ||f - g||
Correct answer
There exists a ∈ (0,1) such that for all f, g ∈ C[0,1], ||T2(f) - T2(g)|| ≤ a ||f - g||
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