Characterization and simulation of bi-Gaussian surfaces induced by material transfer and additive processes
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DOI: 10.1016/j.triboint.2019.03.032
Abstract: Abstract Most researchers characterize and simulate surface topographies from a classical single-stratum perspective, however some have started to understand topographies from a bi-Gaussian stratified viewpoint. For the first time, a continuous characterization method and a… read more here.
Keywords: characterization; gaussian surfaces; additive processes; surfaces induced ... See more keywords
Exponential functionals of Markov additive processes
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DOI: 10.1214/20-ejp441
Abstract: We provide necessary and sufficient conditions for convergence of exponential integrals of Markov additive processes. Other than in the classical L\'evy case studied by Erickson and Maller we have to distinguish between almost sure convergence… read more here.
Keywords: markov additive; additive processes; exponential functionals; functionals markov ... See more keywords