Geodesic
A probabilistic approximation of the evolution operator $\exp(t(S\nabla,\nabla))$ with a complex matrix $S$
Zapiski Nauchnykh Seminarov POMI, Probability and statistics. Part 26, Tome 466 (2017), pp. 134-144 
I. A. Ibragimov; N. V. Smorodina; M. M. Faddeev. A probabilistic approximation of the evolution operator $\exp(t(S\nabla,\nabla))$ with a complex matrix $S$. Zapiski Nauchnykh Seminarov POMI, Probability and statistics. Part 26, Tome 466 (2017), pp. 134-144. http://geodesic.mathdoc.fr/item/ZNSL_2017_466_a9/
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     title = {A probabilistic approximation of the evolution operator $\exp(t(S\nabla,\nabla))$ with a~complex matrix~$S$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
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     year = {2017},
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

We consider some problems concerning a probabilistic interpretation of the Cauchy problem solution for the equation $\frac{\partial u}{\partial t}=\frac12(S\nabla,\nabla)u$, where $S$ is a symmetric complex matrix such that $\operatorname{Re}S\ge0$.

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