(11) Let (,A. /) be a measure space. Let g 2 - R* be a measurable function which is integrable on a set A E A. Let f, :...
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...
(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...
(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...
(3) Let (2,A, /i) be a measure space. Let f : N > R* be a nonnegative measurable function. Define the sequence fn(x) = min{f(x), n}, n E N. Prove that for any A E A f du lim fn du A 4 (You must show that the integrals exist.) (3) Let (2,A, /i) be a measure space. Let f : N > R* be a nonnegative measurable function. Define the sequence fn(x) = min{f(x), n}, n E N. Prove...
(5) Let (. A, /u) be a measure space. Let f,g : O > R* be a pair functions. Assume that f is measurable and that f = g almost everywhere. (a) Prove that q is measurable on A. Prove that g is integrable (b) Let A E A and assume that f is integrable on A and A (5) Let (. A, /u) be a measure space. Let f,g : O > R* be a pair functions. Assume that...
(2) Let (X, 2, ) be a measure space and let (.). be a sequence of (E, BR)-measurable functions from X to R. Suppose that 'n pointwise and lim. S du SI du < 0. Prove that for all E E lim,- Jef du = sef du < 0.
complete measure space (i.e. ВЕА, "(В) — 0, АсВ — АЄ (5) Let (Q, A, м) be a A, u(A) = 0). Let f,g : Q+ R* be a pair functions. Assume that f is measurable g almost everywhere and that f (a) Prove that g is measurable (b) Let A E A and assume that f is integrable on A. Prove that g is integrable on A and g du complete measure space (i.e. ВЕА, "(В) — 0, АсВ...
(1) Let (2, A, i) be a measure space {AnE A E A} is a (a) Fix E E A. Prove that Ap 0-algebra of E, contained in A. (b) Let /i be the restriction of /u to Ap. Prove that ip is a measure on Ap. (c) Suppose that f : O -» R* is measurable (with respect to A). Let g the restriction of f to E. Prove that g : E -> R* is measurable (with respect...
(5) Let (N, A, д) be a complete measure spaсе (i.e. В € А, д(В) — 0, А с В — АЄ A, uA 0. Let f,g : 2 -> R* be a pair functions. Assume that f is measurable and that f g almost everywhere (a) Prove that g is measurable. (b) Let A E A and assume that f is integrable on A. Prove that g is integrable on A and f du g ар. A A (5)...
Notation: In this assignment E denotes a measurable subset of R and L(E) the set eal vector space. For f e L(E) the norm of f is defined as This is a real number (not oo) as f is integrable over E. Let (n)a-1 be a sequence of functions in L(E). . We say that (in )20 converges in norm to a function f e L(E) if lim lln-fl 0. very E >0 there is some N for which life-fil...