We give a characterization of all lower semicontinuous functionals on Lμ∞L^\infty_\mu which can be represented in the form μ\mu-sup{f(x,u):x∈A}\{ f(x, u): x \in A \}. We also show by a counterexample that the representation above may fail if the lower semicontinuity condition is dropped.

Contact details are reproduced from the original publication and may be historical.

Giuseppe Buttazzo

Dip. di Matematica, Università di Pisa, Via Buonarroti 2, 56127 Pisa, Italy

buttazzo@dm.unipi.it

Francesca Prinari

Dip. di Matematica, Università di Pisa, Via Buonarroti 2, 56127 Pisa, Italy

prinari@dm.unipi.it
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E. Acerbi, G. Buttazzo, F. Prinari. “The Class of Functionals which can be Represented by a Supremum.” Journal of Convex Analysis 9 (2002), No. 1, 225–236. https://doi.org/10.68381/jca09010