作者: David Yost
DOI: 10.1016/S0304-0208(08)71347-1
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摘要: Publisher Summary Given a real Banach space E, let H (E) denote the family of closed, bounded, convex nonempty subsets E. Michael's theorem is general; it states that ψ admits continuous selection, assuming only lower semicontinuous, and allowing values to be all nonempty, This chapter briefly reviews there no Lipschitz version selection theorem.