The Malliavin Calculus and Related Topics

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The second edition incorporates significant advancements in Malliavin calculus over the past decade, adding two new chapters on Fractional Brownian motion and Mathematical Finance. Key modifications include a refined presentation of derivative and divergence operators within an isonormal Gaussian process framework. The text also explores Sobolev spaces and provides a general estimate for the density of one-dimensional random variables, along with applications to stochastic integrals and properties of nondegenerate random vectors, enhancing the theoretical foundation of the subject.