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On a certain embedding in the space of measures

Puchała Piotr

Journal of Applied Mathematics and Computational Mechanics

2021

Vol. 20, nr 2

53--63

We take under consideration Young measures - objects that can be interpreted as generalized solutions of a class of certain nonconvex optimization problems arising among others in nonlinear elasticity or micromagnetics. They can be looked at from several points of view. We look at Young measures as at a class of weak* measurable, measure-valued mappings and consider the basic existence theorem for them. On the basis of this theorem, an imbedding of the set of bounded Borel functions into the set of Young measures is defined. Using the weak* denseness of the set of Young measures associated with simple functions in the set of Young measures, it is shown that this imbedding assigns the Young measure associated with any bounded Borel function.

A characterization of the mathematical expectation of a random variable with values in a Banach space

Herer W.

Demonstratio Mathematica

1998

Vol. 31, nr 3

701-703