The Extended Leibniz Rule and Related Equations in the Space of Rapidly Decreasing Functions

We solve the extended Leibniz rule $T(f\cdot g)=Tf \cdot Ag+Af\cdot Tg$ for operators $T$ and $A$ in the space of rapidly decreasing functions in both cases of complex and real-valued functions. We find that $Tf$ may be a linear combination of logarithmic derivatives of $f$ and its complex conjugate...

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Bibliographic Details
Date:2018
Main Authors: König, Hermann, Milman, Vitali
Format: Article
Language:English
Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна Національної академії наук України 2018
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Online Access:https://jmag.ilt.kharkiv.ua/index.php/jmag/article/view/jm14-0336e
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Journal Title:Journal of Mathematical Physics, Analysis, Geometry

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Journal of Mathematical Physics, Analysis, Geometry