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Construction of fundamental solutions of hypoelliptic equations by the use of a probabilistic method
1978
Nagoya mathematical journal
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A. Friedman, [5] has constructed the fundamental solutions for a class of degenerate parabolic equations of the second order by making use of a probabilistic method and obtained the estimates for the fundamental solutions, especially near the degenerating manifolds (obstacles) of given operators, where a probabilistic method plays an important role.
doi:10.1017/s0027763000018237
fatcat:loe6hxa2yrejlloetbk57nar2y