Self-Decomposability of weak variance generalised gamma convolutions
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Buchmann, Boris; Lu, Kevin; Madan, Dilip B.
Description
Weak variance generalised gamma convolution processes are multivariate Brownian motions weakly subordinated by multivariate Thorin subordinators. Within this class, we extend a result from strong to weak subordination that a driftless Brownian motion gives rise to a self-decomposable process. Under moment conditions on the underlying Thorin measure, we show that this condition is also necessary. We apply our results to some prominent processes such as the weak variance alpha-gamma process, and...[Show more]
Collections | ANU Research Publications |
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Date published: | 2019 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/187184 |
Source: | Stochastic Processes and their Applications |
DOI: | 10.1016/j.spa.2019.02.012 |
Access Rights: | Open Access |
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Self-decomposability.pdf | 477.12 kB | Adobe PDF |
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