(a) Let Sk: KCR + R" be an equicontinuous sequence of functions on a compact set...
(2) Let {fJ be a sequence of continuous, real-valued functions that converges uniformly on the interval [0,1 (a) Show that there exists M> 0 such that n(x) M for all r E [0,1] and all n N. (b) Does the result in part (a) hold if uniform convergence is replaced by pointwise convergence? Prove or give a counterexample (2) Let {fJ be a sequence of continuous, real-valued functions that converges uniformly on the interval [0,1 (a) Show that there exists...
Please use the definition of uniform convergence (the epsilon-delta property) Find the function f : [2, 00) -R 1. For each n EN let fn : [2, 0) - to which {fn} converges pointwise. Prove that the convergence is uniform R be given by fn(x) = 1+xn Find the function f : [2, 00) -R 1. For each n EN let fn : [2, 0) - to which {fn} converges pointwise. Prove that the convergence is uniform R be given...
5- Recall that a set KCR is said to be compact if every open cover for K has a finite subcover 5-1) Use the above definition to prove that if A and B are two compact subsets of R then AUB is compact induction to show that a finite union of compact subsets of R is compact. 5-2) Now use 5-3) Let A be a nonempty finite subset of R. Prove that A is compact 5-4) Give an example of...
3. For each n E N let fn : (1, 0) -+ R be given by f/(x) = Find the function f : (1, 0) - R to which {fn} converges pointwise. Prove that the convergence is not uniform 3. For each n E N let fn : (1, 0) -+ R be given by f/(x) = Find the function f : (1, 0) - R to which {fn} converges pointwise. Prove that the convergence is not uniform
(6) Let (, A,i) be a measure space. Let fn : 0 -» R* be a sequence of measurable functions. Let g, h : O -> R* be a pair of measurable functions such that both are integrable on a set A E A and g(x) < fn(x)<h(x), for all E A and ne N. Prove that / lim sup fn du fn dulim sup fn du lim inf fn du lim inf n o0 A n-oo A noo n00...
Let (, A, ) be a measure space. Let fn : 2 -» R* be a sequence of measurable functions. Let g,h : 2 -» R* be a pair of measurable functions such that both are integrable on that a set A E A and g(r) fn(x)h(x), for all E A and nE N. Prove / fn du lim sup A lim inf fn dulim inf lim sup fn du A fn du no0 no0 A noo n+o0 (You may...
Let {fn} ⊆ C([0, 1]). Prove that {fn} converges uniformly on [0, 1] if and only if {fn} is equicontinuous on [0, 1] and converges pointwise on [0, 1].
(1) Let fn} be a sequence of C1 functions from the interval 0, 1] to R such that for some M 0 there holds fn(0) |(x)|< M, for al E [0, 1], nEN. Prove that there is a subsequence {fng} converging uniformly to a function f e C((0, 1]) on 0, 1]. (1) Let fn} be a sequence of C1 functions from the interval 0, 1] to R such that for some M 0 there holds fn(0) |(x)|
(6) Let (2,A, /i) be a measure space. Let fn: N -» R* be a sequence of measurable functions. Let g, h : 2 -> R* be a integrable pair of measurable functions such that both are on a set AE A and g(x) < fn(x) < h(x), for all x E A and n e N. Prove that / / fn du lim sup fn d lim sup lim inf fn d< lim inf fn du п00 n oo...
1. (a) Let {fn}neN : [0,00) + R be a sequence of function define by: sin(nx) fn(x) 1+ nx (i) Guess the pointwise limit f of fn on (0,00) and justify your claim. [15 Marks] (ii) Show that fn + f uniformly on ſa, 00), Va > 0. [10 Marks) (iii) Show that fn does not converge uniformly to f on (0,00) [10 Marks] (Hint: Show that ||fr|| 21+(1/2) (b) Prove that a continuous function f defined on a closed...