Exact(60)
Let be two mappings satisfying the following conditions: (a) for each ; (b)for each fixed is a concave function; (c for each fixed, the functional is weakly lower semicontinuous function from to, that is, (2.21).
If the function is -strongly convex with constant and the functional is weakly upper semicontinuous on for each, then the auxiliary problem has a unique solution.
Since the function is strictly positive equality (3.10) implies that the functional is bounded from below.
The notation means that the functional is applied to considered as a function of.
In regarded of Assumption 2.9(c), for each fixed we have that the functional is an upper semicontinuous functional; this together with the weak continuity of the function, we obtain (4.21).
The functional is said to be nonnegative over the class of admissible functions if J ( x ) ≥ 0 for every admissible x.
Then the functional is continuous.
where and Moreover, the functional is.
[H7.1] The functional is Borel measurable.
The functional is continuous and is continuous.
[H7.5] The functional is continuous and nonnegative.
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