Geodesic
Reduction of a functional integral over discontinuous trajectories to integrals over continuous trajectories
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 4 (2021), pp. 41-43 Cet article a éte moissonné depuis la source Math-Net.Ru

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The paper is focused on research of functional integrals determined on discontinuous trajectories. A special type of transformation was proposed for a class of such integrals in papers on quantum physics, which makes it possible to reduce such integrals to integrals over continuous trajectories. 
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     author = {E. S. Kolpakov},
     title = {Reduction of a functional integral over discontinuous trajectories to integrals over continuous trajectories},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {41--43},
     year = {2021},
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     url = {http://geodesic.mathdoc.fr/item/VMUMM_2021_4_a6/}
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E. S. Kolpakov. Reduction of a functional integral over discontinuous trajectories to integrals over continuous trajectories. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 4 (2021), pp. 41-43. http://geodesic.mathdoc.fr/item/VMUMM_2021_4_a6/

[1] Belokurov V. V., Shavgulidze E. T., Paths with singularities in functional integrals of quantum field theory, 2013, arXiv: 1112.3899