Theoretical analysis reports formal corrections to smooth extensions of vector-valued functions in closed subsets of Banach spaces, highlighting restored mathematical rigor in functional analysis.
The present note is a corrigendum to the paper "On Smooth extensions of vector-valued functions defined on closed subsets of Banach spaces" [Math. Ann. (2013) 355: 1201--1219].
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M. J. Sevilla (2024) studied this question.
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