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pro vyhledávání: '"P. Viot"'
Autor:
Jettkant, Philipp
We discuss equivalent formulations of the control of conditional processes introduced by Lions. In this problem, a controlled diffusion process is killed once it hits the boundary of a bounded domain and the controller's reward is computed based on t
Externí odkaz:
http://arxiv.org/abs/2409.15195
We study the Fleming--Viot particle system in a discrete state space, in the regime of a fast selection mechanism, namely with killing rates which grow to infinity. This asymptotics creates a time scale separation which results in the formation of a
Externí odkaz:
http://arxiv.org/abs/2407.02054
Autor:
Louvet, Apolline, Roberts, Matthew I.
The infinite-parent spatial Lambda-Fleming-Viot (SLFV) process is a model of random growth, in which a set evolves by the addition of balls according to points of an underlying Poisson point process, and which was recently introduced to study genetic
Externí odkaz:
http://arxiv.org/abs/2402.00601
Inspired by the Fleming-Viot stochastic process, we propose a parallel implementation of variational quantum algorithms with the aim of helping the algorithm get out of barren plateaus, where optimization direction is unclear. In the Fleming-Viot tra
Externí odkaz:
http://arxiv.org/abs/2311.18090
Autor:
Kern, Julian, Wiederhold, Bastian
We propose an extension of the classical $\Lambda$-Fleming-Viot model to intrinsically varying population sizes. During events, instead of replacing a proportion of the population, a random mass dies and a, possibly different, random mass of new indi
Externí odkaz:
http://arxiv.org/abs/2311.06100
Akademický článek
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Akademický článek
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We show that the spine of the Fleming-Viot process driven by Brownian motion and starting with two particles in a bounded interval has a different law from that of Brownian motion conditioned to stay in the interval forever. Furthermore, we estimate
Externí odkaz:
http://arxiv.org/abs/2308.14290
Autor:
Kwaśnicki, Mateusz
We prove a non-extinction result for Fleming-Viot-type systems of two particles with dynamics described by an arbitrary symmetric Hunt process under the assumption that the reference measure is finite. Additionally, we describe an invariant measure f
Externí odkaz:
http://arxiv.org/abs/2307.04143
Autor:
Wirtz, Johannes, Guindon, Stéphane
The introduction of the spatial Lambda-Fleming-Viot model (LV) in population genetics was mainly driven by the pioneering work of Alison Etheridge, in collaboration with Nick Barton and Amandine V\'eber about ten years ago (1,2). The LV model provide
Externí odkaz:
http://arxiv.org/abs/2307.02431