If "H" is any predictable process such that ∫0"t" "H"2 "ds" < ∞ for every "t" ≥ 0 then the integral of "H" with respect to "B" can be defined, and "H" is said to be "B"-integrable.
If "H" is any predictable process such that ∫0t "H² ds" < ∞ for every "t" ≥ "0" then the integral of "H" with respect to "B" can be defined, and "H" is said to be "B"-integrable.