Abstract
Let { Bβ(x) , x∈ SN} be a fractional Brownian motion on the N-dimensional unit sphere SN with Hurst index β. We study the excursion probability ℙ{ supx ∈ TBβ(x) > u} and obtain the asymptotics as u →∞, where T can be the entire sphere SN or a geodesic disc on SN.
Original language | English (US) |
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Pages (from-to) | 433-457 |
Number of pages | 25 |
Journal | Extremes |
Volume | 22 |
Issue number | 3 |
DOIs | |
State | Published - Sep 15 2019 |
Keywords
- 60G15
- 60G70
- Asymptotics
- Excursion probability
- Fractional Brownian motion
- Gaussian random fields
- Pickands constant
- Piterbarg constant
- SFBM
- Sphere
ASJC Scopus subject areas
- Statistics and Probability
- Engineering (miscellaneous)
- Economics, Econometrics and Finance (miscellaneous)