Abstract
In a previous study, the algebraic formulation of the First Fundamental Theorem of Calculus (FFTC) is shown to allow extensions of differential and Rota–Baxter operators on the one hand, and to give rise to categorical explanations using the ideas of liftings of monads and comonads, and mixed distributive laws on the other. Generalizing the FFTC, we consider in this paper a class of constraints between a differential operator and a Rota–Baxter operator. For a given constraint, we show that the existences of extensions of differential and Rota–Baxter operators, of liftings of monads and comonads, and of mixed distributive laws are equivalent.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (Grant No. 11771190) and the China Scholarship Council (Grant No. 201606180084). Shilong Zhang thanks Rutgers University, Newark for its hospitality during his visit August 2016–August 2017. The authors thank the referee for helpful suggestions.
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Communicated by Richard Garner.
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Zhang, S., Guo, L. & Keigher, W. Extensions of Operators, Liftings of Monads, and Distributive Laws. Appl Categor Struct 26, 747–765 (2018). https://doi.org/10.1007/s10485-018-9517-3
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DOI: https://doi.org/10.1007/s10485-018-9517-3
Keywords
- Rota–Baxter algebra
- Differential algebra
- Operated algebra
- Extension of operators
- Monad
- Comonad
- Distributive law