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Listar por palabra clave "Extension operator"

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Listar por palabra clave "Extension operator"

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    Extension operators for smooth functions on compact subsets of the reals 
    Frerick, Leonhard; Jorda Mora, Enrique; Wengenroth, Jochen (Springer-Verlag, 2020-08)
    [EN] We introduce sufficient as well as necessary conditions for a compact set K such that there is a continuous linear extension operator from the space of restrictions C-infinity (K) = {F vertical bar(K) : F is an element ...
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    Tame linear extension operators for smooth Whitney functions 
    Frerick, Leonhard; Jorda Mora, Enrique; Wengenroth, Jochen (Elsevier, 2011-08-01)
    For a compact set K subset of R(d) we present a rather easy construction of a linear extension operator E : epsilon (K) -> C(infinity) for the space of Whitney jets epsilon (K) which satisfies linear tame continuity estimates ...
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    Whitney extension operators without loss of derivatives 
    Frerick, Leonhard; Jorda Mora, Enrique; Wengenroth, Jochen (European Mathematical Society, 2016)
    [EN] For a compact set K subset of R-d we characterize the existence of a linear extension operator E: E (K) -> C-infinity(R-d) for the space of Whitney jets E (K) without loss of derivatives, that is, it satisfies the ...