Abstract
We study the asymptotic behavior of weighted power variations of fractional Brownian motion in Brownian time \(Z_t:= X_{Y_t},t \geqslant 0\), where X is a fractional Brownian motion and Y is an independent Brownian motion.
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Acknowledgements
We are thankful to the referees for their careful reading of the original manuscript and for a number of suggestions. The financial support of the DFG (German Science Foundations) Research Training Group 2131 is gratefully acknowledged.
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Zeineddine, R. Asymptotic Behavior of Weighted Power Variations of Fractional Brownian Motion in Brownian Time. J Theor Probab 31, 1539–1589 (2018). https://doi.org/10.1007/s10959-017-0749-1
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DOI: https://doi.org/10.1007/s10959-017-0749-1
Keywords
- Weighted power variations
- Limit theorem
- Malliavin calculus
- Fractional Brownian motion
- Fractional Brownian motion in Brownian time