Suppose that f(x) is a real function defined on an interval (a,b)Let {I_m} be a sequence of nonoverlapping intervals, I_m=[a_m,b_m](?)[a,b], and write f(I_m)=f(b_m)—f(a_m). Let A denote a nondecreasing sequence {λ_m...Suppose that f(x) is a real function defined on an interval (a,b)Let {I_m} be a sequence of nonoverlapping intervals, I_m=[a_m,b_m](?)[a,b], and write f(I_m)=f(b_m)—f(a_m). Let A denote a nondecreasing sequence {λ_m} of positive real展开更多
文摘Suppose that f(x) is a real function defined on an interval (a,b)Let {I_m} be a sequence of nonoverlapping intervals, I_m=[a_m,b_m](?)[a,b], and write f(I_m)=f(b_m)—f(a_m). Let A denote a nondecreasing sequence {λ_m} of positive real