期刊
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
卷 344, 期 1, 页码 260-273出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmaa.2008.02.043
关键词
maximum entropy; inverse problems; convex functionals
We consider the linear inverse problem of reconstructing an unknown finite measure it from a noisy observation of a generalized moment of mu defined as the integral of a continuous and bounded operator Phi with respect to mu. Motivated by various applications, we focus on the case where the operator Phi is unknown; instead, only an approximation Phi to it is available. An approximate maximum entropy solution to the inverse problem is introduced in the form of a minimizer of a convex functional subject to a sequence of convex constraints. Under several assumptions on the convex functional, the convergence of the approximate solution is established. (C) 2008 Elsevier Inc. All rights reserved.
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