“…The h-path process for √ εW (·) in C([0, 1]) with an initial distribution P 0 and a terminal one P 1,ε is the unique weak solution to the following (see [14]): for t ∈ [0, 1],…”
Section: In Section 2)mentioning
confidence: 99%
“…If we assume (A.2) p 1 (x) := P 1 (dx)/dx exists, then we can define h ε (t, x), X ε (t) and b ε (s, x) in the same way as in (1.7)-(1.9), respectively, by replacing (∫ 0,ε , ∫ 1,ε ) by (∫ 0,ε , ∫ 1,ε ) (see [14]). …”
Section: Corollary 22 (I) Suppose That (A0) Holds and That L(u)mentioning
We study the asymptotic behavior, in the zero-noise limit, of solutions to Schrödinger's functional equations and that of h-path processes, and give a new proof of the existence of the minimizer of Monge's problem with a quadratic cost.
“…The h-path process for √ εW (·) in C([0, 1]) with an initial distribution P 0 and a terminal one P 1,ε is the unique weak solution to the following (see [14]): for t ∈ [0, 1],…”
Section: In Section 2)mentioning
confidence: 99%
“…If we assume (A.2) p 1 (x) := P 1 (dx)/dx exists, then we can define h ε (t, x), X ε (t) and b ε (s, x) in the same way as in (1.7)-(1.9), respectively, by replacing (∫ 0,ε , ∫ 1,ε ) by (∫ 0,ε , ∫ 1,ε ) (see [14]). …”
Section: Corollary 22 (I) Suppose That (A0) Holds and That L(u)mentioning
We study the asymptotic behavior, in the zero-noise limit, of solutions to Schrödinger's functional equations and that of h-path processes, and give a new proof of the existence of the minimizer of Monge's problem with a quadratic cost.
“…It is shown in [18] and two measures/20 and/2r, what is the minimum eneroy control u* for which x u* evolves from/20 to/2r? This problem is rigorously stated and solved in this paper.…”
Section: Q(s X U Z)mentioning
confidence: 99%
“…Defining h,(x, t)= ~ q(t, x, T, z)f~(z)dz and using a special Harnack inequality [2], it can be shown that h. ~ h uniformily on K x [0, T] for any compact K. Therefore h(x, t) is in C 2' I(R" x [0, T)). For further details see [18] and references therein.…”
The problem of forcing a nondegenerate diffusion process to a given final configuration is considered. Using the logarithmic transformation approach developed by Fleming, it is shown that the perturbation of the drift suggested by Jamison solves an optimal stochastic control problem. Such perturbation happens to have minimum energy between all controls that bring the diffusion to the desired final distribution. A special property of the change of measure on the path-space that corresponds to the aforesaid perturbation of the drift is also shown
“…Many fundamental reciprocal properties were given by Jamison in a series of articles [Jam70], [Jam74], [Jam75], first in the context of Gaussian processes. Contributions to a physical interpretation and to the development of a stochastic calculus adjusted to reciprocal diffusions have been made by Zambrini and various co-authors in their interest of creating a Euclidean version of quantum mechanics (see [CZ91], [TZ97] and the monograph [CZ03]).…”
Section: Introduction and Historical Remarksmentioning
Reciprocal processes: a stochastic analysis approach U n i v e r s i t ä t P o t s d a m
Reciprocal processes: a stochastic analysis approach
Sylvie RoellyAbstract Reciprocal processes, whose concept can be traced back to E. Schrödinger, form a class of stochastic processes constructed as mixture of bridges, that satisfy a time Markov field property. We discuss here a new unifying approach to characterize several types of reciprocal processes via duality formulae on path spaces: The case of reciprocal processes with continuous paths associated to Brownian diffusions and the case of pure jump reciprocal processes associated to counting processes are treated. This presentation is based on joint works with M. Thieullen, R. Murr and C. Léonard.
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