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Lecture 6. Rough paths Fall 2017
In the previous lecture we defined the Young’s integral when and with . The integral path has then a bounded variation. Now, if is a Lipschitz map, then the integral, is only defined when , that is for . With … Continue reading
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MA5311. Take home exam
Exercise 1. Solve Exercise 44 in Chapter 1 of the book. Exercise 2. Solve Exercise 3 in Chapter 1 of the book. Exercise 3. Solve Exercise 39 in Chapter 1 of the book. Exercise 4. The heat kernel on is given by . By … Continue reading
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MA5161. Take home exam
Exercise 1. The Hermite polynomial of order is defined as Compute . Show that if is a Brownian motion, then the process is a martingale. Show that Exercise 2. (Probabilistic proof of Liouville theorem) By using martingale methods, prove that if … Continue reading
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MA5311. Take home exam due 03/20
Solve Problems 1,2,8,9,10,11 in Milnor’s book. (Extra credit for problem 6)
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MA5161. Take home exam. Due 03/20
Exercise 1. Let . Let be a continuous Gaussian process such that for , Show that for every , there is a positive random variable such that , for every and such that for every , \textbf{Hint:} You may use … Continue reading
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MA5311. Non orientable manifolds
Here are some videos to visualize non orientability.
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HW4 MA5161. Due February 24
Exercise. Let be a filtered probability space that satisfies the usual conditions. We denote and for , is the restriction of to . Let be a probability measure on such that for every , Show that there exists a right continuous … Continue reading
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