Infinite dimensional affine processes

Fuente: arXiv
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Autori principali: Schmidt, Thorsten, Tappe, Stefan, Yu, Weijun
Natura: Preprint
Pubblicazione: 2019
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author Schmidt, Thorsten
Tappe, Stefan
Yu, Weijun
author_facet Schmidt, Thorsten
Tappe, Stefan
Yu, Weijun
contents The goal of this article is to investigate infinite dimensional affine diffusion processes on the canonical state space. This includes a derivation of the corresponding system of Riccati differential equations and an existence proof for such processes, which has been missing in the literature so far. For the existence proof, we will regard affine processes as solutions to infinite dimensional stochastic differential equations with values in Hilbert spaces. This requires a suitable version of the Yamada-Watanabe theorem, which we will provide in this paper. Several examples of infinite dimensional affine processes accompany our results.
format Preprint
id arxiv_https___arxiv_org_abs_1907_10337
institution arXiv
publishDate 2019
record_format arxiv
spellingShingle Infinite dimensional affine processes
Schmidt, Thorsten
Tappe, Stefan
Yu, Weijun
Probability
Functional Analysis
60J25, 60H10
The goal of this article is to investigate infinite dimensional affine diffusion processes on the canonical state space. This includes a derivation of the corresponding system of Riccati differential equations and an existence proof for such processes, which has been missing in the literature so far. For the existence proof, we will regard affine processes as solutions to infinite dimensional stochastic differential equations with values in Hilbert spaces. This requires a suitable version of the Yamada-Watanabe theorem, which we will provide in this paper. Several examples of infinite dimensional affine processes accompany our results.
title Infinite dimensional affine processes
topic Probability
Functional Analysis
60J25, 60H10
url https://arxiv.org/abs/1907.10337