Optimal Domain and Integral Extension of Operators Acting in Frechet Function Spaces

It is known that a continuous linear operator T defined on a Banach function space X(μ) (over a finite measure space ( Omega,§igma,μ)) and with values in a Banach space X can be extended to a sort of optimal domain. Indeed, under certain assumptions on the space X(μ) and the operator T this op...

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Main Author: Blaimer, Bettina (auth)
Format: Book Chapter
Published: Berlin/Germany Logos Verlag Berlin 2017
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001 doab_20_500_12854_64485
005 20210408
020 |a 4557 
020 |a 9783832545574 
024 7 |a 10.30819/4557  |c doi 
041 0 |a English 
042 |a dc 
072 7 |a PBK  |2 bicssc 
100 1 |a Blaimer, Bettina  |4 auth 
245 1 0 |a Optimal Domain and Integral Extension of Operators Acting in Frechet Function Spaces 
260 |a Berlin/Germany  |b Logos Verlag Berlin  |c 2017 
300 |a 1 electronic resource (137 p.) 
506 0 |a Open Access  |2 star  |f Unrestricted online access 
520 |a It is known that a continuous linear operator T defined on a Banach function space X(μ) (over a finite measure space ( Omega,§igma,μ)) and with values in a Banach space X can be extended to a sort of optimal domain. Indeed, under certain assumptions on the space X(μ) and the operator T this optimal domain coincides with L±(mâ T), the space of all functions integrable with respect to the vector measure mâ T associated with T, and the optimal extension of T turns out to be the integration operator Iâ mâ T. In this book the idea is taken up and the corresponding theory is translated to a larger class of function spaces, namely to Fréchet function spaces X(μ) (this time over a Ï -finite measure space ( Omega,§igma,μ)). It is shown that under similar assumptions on X(μ) and T as in the case of Banach function spaces the so-called ``optimal extension process'' also works for this altered situation. In a further step the newly gained results are applied to four well-known operators defined on the Fréchet function spaces L^p-([0,1]) resp. L^p-(G) (where G is a compact Abelian group) and L^pâ textloc( mathbbR). 
540 |a Creative Commons  |f https://creativecommons.org/licenses/by-nc-nd/4.0/  |2 cc  |4 https://creativecommons.org/licenses/by-nc-nd/4.0/ 
546 |a English 
650 7 |a Calculus & mathematical analysis  |2 bicssc 
653 |a Optimal domain process 
653 |a Fréchet function spaces 
653 |a Vector measures 
856 4 0 |a www.oapen.org  |u https://www.logos-verlag.de/ebooks/OA/978-3-8325-4557-4.pdf  |7 0  |z Get Fullteks 
856 4 0 |a www.oapen.org  |u https://directory.doabooks.org/handle/20.500.12854/64485  |7 0  |z DOAB: description of the publication