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q-fin.MF2017
Large deviation principle for Volterra type fractional stochastic volatility models
Archil Gulisashvili
We study fractional stochastic volatility models in which the volatility process is a positive continuous function of a continuous Gaussian process . Forde and Zha…
q-fin.PR2017
Short-time near-the-money skew in rough fractional volatility models
Christian Bayer, Peter K. Friz, Archil Gulisashvili +2
We consider rough stochastic volatility models where the driving noise of volatility has fractional scaling, in the "rough" regime of Hurst parameter . This regime recentl…