Wiki source code of Stochastic analysis, fall 2014
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1 | = Stochastic analysis, fall 2014 = | ||
2 | |||
3 | === Lecturer === | ||
4 | |||
5 | [[Dario Gasbarra>>doc:mathstatHenkilokunta.Gasbarra, Dario]] | ||
6 | |||
7 | === Scope === | ||
8 | |||
9 | 10 sp. | ||
10 | |||
11 | === Type === | ||
12 | |||
13 | Advanced studies. | ||
14 | |||
15 | === **Prerequisites: ** === | ||
16 | |||
17 | Probability Theory (Todennäköisyysteoria 1, 2). | ||
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19 | (% class="code" %) | ||
20 | ((( | ||
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22 | ))) | ||
23 | |||
24 | ==== Lectures: ==== | ||
25 | |||
26 | Weeks 36-42 and 44-50, Tuesday 12-14 in room C124 and Thursday 10-12 in room B120, with two hours of exercise classes per week. | ||
27 | |||
28 | === Language: === | ||
29 | |||
30 | The course will be given in english or finnish depending on the audience. The materials are written in english. | ||
31 | |||
32 | === Contents === | ||
33 | |||
34 | The subject of this course is martingale theory and stochastic integration. | ||
35 | |||
36 | 0. Introduction: functions with bounded variations, Riemann-Stieltjes integral. Pathwise quadratic variation, Ito-Föllmer pathwise integral and Ito formula. Brownian motion and its quadratic variation. | ||
37 | |||
38 | I. Paul Levy's construction of Brownian motion. Gaussian processes. Kolmogorov extension theorem and construction of stochastic process on its canonical space. Kolmogorov continuity theorem. | ||
39 | |||
40 | II. Martingales in discrete time: Conditional expectation, martingale transform, forward and backward martingale convergence theorems, uniformly integrable martingales, square integrable martingales, Doob maximal inequality. Change of measure and Radon-Nikodym derivative. | ||
41 | |||
42 | III. Continuous martingales. Ito isometry. Ito integral and Ito formula. Burkholder Davis Gundy inequality. Local time, Ito-Tanaka formula. | ||
43 | |||
44 | IV Change of measure: Girsanov formula, stochastic exponential, Gronwall lemma. Applications in stochastic filtering. | ||
45 | |||
46 | V. Stochastic differential equations, strong and weak solutions. Applications: Probabilistic solution of partial differential equations. Kakutani's theorem, Feynman-Kac formula. | ||
47 | |||
48 | VI. Ito-Clarck martingale representation. Application: option pricing in Black & Scholes market model. | ||
49 | |||
50 | (% style="color: rgb(96,96,96);" %)[[Lecture Notes >>attach:stochastic_analysis_dario_2014.pdf]] (last updated 18.11.2014),(%%) [[Exercises>>doc:mathstatKurssit.Syksy 2014.Stochastic analysis, fall 2014.Exercises Stochastic Analysis, Fall 2014.WebHome]] , [[home exam>>attach:stochastic_analysis_final_exam_2014.pdf]] | ||
51 | |||
52 | Old webpages[[ spring 2008>>doc:mathstatKurssit.57456.Stokastinen analyysi, kevät 2008.WebHome]] , [[ fall 2011>>doc:mathstatKurssit.Syksy 2011.Stokastinen analyysi, syksy 2011.WebHome]] ,[[ spring 2013>>doc:mathstatKurssit.Kevät 2013.Stokastinen analyysi, kevät 2013.Stochastic analysis, spring 2013.WebHome]] | ||
53 | |||
54 | === (% style="line-height: 1.5;" %)Exams (%%) === | ||
55 | |||
56 | You pass this course by solving exercises in the weekly tutorial sessions and writing and home exam. | ||
57 | |||
58 | === Bibliography === | ||
59 | |||
60 | Karatzas and Shreve Brownian motion and stochastic calculus, Second edition, 1998 Springer. | ||
61 | |||
62 | David Williams: Probability with Martingales (Cambridge Mathematical Textbooks). | ||
63 | |||
64 | Mörters and Peres: Brownian motion, Cambridge 2010. | ||
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66 | ((( | ||
67 | Daniel Revuz ja Marc Yorin kirjaa "Continuous martingales and Brownian motion", 2nd edition Springer 2005 | ||
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69 | |||
70 | ((( | ||
71 | Dieter Sondermann: Introduction to Stochastic Calculus for Finance: A New Didactic Approach, Springer 2007 | ||
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75 | Timo Seppääinen: [[Basics of Stochastic Analysis>>url:http://www.math.wisc.edu/~~seppalai/courses/735/notes.pdf||shape="rect"]], Lecture Notes, University of Wisconsin-Madison. | ||
76 | ))) | ||
77 | |||
78 | ((( | ||
79 | Richard Bass: Stochastic Processes, Cambridge 2011. | ||
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81 | |||
82 | === [[Registration>>url:https://oodi-www.it.helsinki.fi/hy/opintjakstied.jsp?html=1&Tunniste=57456||shape="rect"]] === | ||
83 | |||
84 | |||
85 | Did you forget to register? [[ What to do?>>doc:mathstatOpiskelu.Kysymys4]] | ||
86 | |||
87 | === Tutorials: === | ||
88 | |||
89 | |=((( | ||
90 | Ryhmä | ||
91 | )))|=((( | ||
92 | Päivä | ||
93 | )))|=((( | ||
94 | Aika | ||
95 | )))|=((( | ||
96 | Paikka | ||
97 | )))|=(% colspan="1" %)((( | ||
98 | Pitäjä | ||
99 | ))) | ||
100 | |((( | ||
101 | 1. | ||
102 | )))|((( | ||
103 | Wednesday | ||
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105 | 10-12 | ||
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107 | B322 | ||
108 | )))|(% colspan="1" %)((( | ||
109 | Matteo Marcozzi | ||
110 | ))) |