Author Archives: Fabrice Baudoin

Lecture Notes: Brownian Chen series and Gauss-Bonnet-Chern theorem

Download   The purpose of these notes is to provide  a new probabilistic approach to the Gauss-Bonnet-Chern theorem (and more generally to index theory). They correspond to a five hours course given at a Spring school in France (Mons) in … Continue reading

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Lecture notes: Sub-Laplacians and hypoelliptic operators on totally geodesic Riemannian foliations

Download   These notes are the basis of a course given at the Institut Henri Poincare in September 2014. We survey some recent results related to the geometric analysis of hypoelliptic diffusion operators on totally geodesic Riemannian foliations. We also … Continue reading

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Lecture notes: Heat semigroups methods in Riemannian geometry

Download   In those lecture notes, we review some applications of heat semigroups methods in Riemannian and sub-Riemannian geometry. The notes contain parts of courses taught at Purdue University, Institut Henri Poincaré, Levico Summer School and Tata Institute.

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Lecture notes: An introduction to the geometry of stochastic flows

Download   Those are the notes corresponding to my book on stochastic flows. Most of them were written in 2003 during my stay as a postdoc at the Technical University of Vienna.  

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Lecture notes: Rough paths theory

Download   Those are the notes of a course on rough paths theory taught at Purdue University in Spring 2013. We develop the theory according to its founder Terry Lyons’ point of view and rely on the book by P. … Continue reading

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Lecture Notes: Stochastic differential equations driven by fractional Brownian motions

Download   Those are lecture notes on stochastic differential equations driven by fractional Brownian motions. It only deals with the case , so that the equations are understood in the sense of Young’s integration. Those notes correspond to a mini … Continue reading

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Lecture Notes: Stochastic calculus and Diffusion semigroups

Download Those are the lecture notes of the stochastic calculus course I have been teaching at the University of Toulouse (2003-2008) and then at Purdue University. Some parts of this book grew out of the lectures posted on this blog. … Continue reading

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Lecture notes: Modelling anticipations in financial markets

Download During my Phd thesis (completed in 2002 under the supervision of Marc Yor) I worked on applying stochastic calculus to mathematical finance. I quit doing research on mathematical finance soon after the thesis but was invited to deliver lectures … Continue reading

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Caccioppoli sets, Part II

After the general introduction to the theory of Caccioppoli sets that was presented in the previous post. I will now sketch some elements of the theory that was developed in our works: Besov class via heat semigroup on Dirichlet spaces … Continue reading

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Caccioppoli sets, Part I

In the next two posts, longer than usual, I will explain some ideas of  recent works written in collaboration with Patricia Alonso-Ruiz, Li Chen,  Luke Rogers, Nageswari Shanmugalingam  and Alexander Teplyaev about the study of bounded variation functions in the context of Dirichlet … Continue reading

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