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On the Feynman–Kac Formula

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Applied Probability and Stochastic Processes

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Abstract

In this article given y : [0, η) → H, a continuous map into a Hilbert space H, we study the equation

$$\displaystyle \hat y(t)= e^{ \int \limits _0^t c(s,\hat y)ds}y(t), $$

where c(s, ⋅) is a given “potential” on C([0, η), H). Applying the transformation \(y \rightarrow \hat y\) to the solutions of the SPDE and SDE underlying a diffusion, we study the Feynman–Kac formula.

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Acknowledgements

The author would like to acknowledge the financial support from the SERB (Science and Engineering Research Board, India) through the MATRIX project No. MTR/2017/000750.

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Correspondence to B. Rajeev .

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Rajeev, B. (2020). On the Feynman–Kac Formula. In: Joshua, V., Varadhan, S., Vishnevsky, V. (eds) Applied Probability and Stochastic Processes. Infosys Science Foundation Series(). Springer, Singapore. https://doi.org/10.1007/978-981-15-5951-8_29

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