# Difference between revisions of "Graduate student reading seminar"

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− | + | (... in probability) | |

− | + | [https://groups.google.com/a/g-groups.wisc.edu/forum/#!forum/grad_prob_seminar Email list] | |

− | + | ==2020 Fall== | |

− | |||

− | + | ==2020 Spring== | |

− | + | Tuesday 2:30pm, 901 Van Vleck | |

+ | 2/4, 2/11: Edwin | ||

− | + | 2/18, 2/25: Chaojie | |

+ | 3/3. 3/10: Yu Sun | ||

− | + | 3/24, 3/31: Tony | |

− | + | 4/7, 4/14: Tung | |

− | + | 4/21, 4/28: Tung | |

− | + | ==2019 Fall== | |

− | + | Tuesday 2:30pm, 901 Van Vleck | |

− | + | 9/24, 10/1: Xiao | |

− | + | 10/8, 10/15: Jakwang | |

− | + | 10/22, 10/29: Evan | |

− | + | 11/5, 11/12: Chaojie | |

− | + | 12/3, 12/10: Tung | |

− | + | ==2019 Spring== | |

− | + | Tuesday 2:30pm, 901 Van Vleck | |

− | + | 2/5: Timo | |

− | + | 2/12, 2/19: Evan | |

− | + | 2/26, 3/5: Chaojie | |

− | + | 3/12, 3/26: Kurt | |

− | + | 4/2, 4/9: Yu | |

− | + | 4/16, 4/23: Max | |

− | + | 4/30, 5/7: Xiao | |

− | + | ==2018 Fall== | |

− | + | Tuesday 2:30pm, 901 Van Vleck | |

− | |||

− | + | The topic this semester is large deviation theory. Send me (BV) an email, if you want access to the shared Box folder with some reading material. | |

− | |||

− | + | 9/25, 10/2: Dae Han | |

+ | |||

+ | 10/9, 10/16: Kurt | ||

+ | |||

+ | 10/23, 10/30: Jane Davis | ||

+ | |||

+ | 11/6, 11/13: Brandon Legried | ||

+ | |||

+ | 11/20, 11/27: Shuqi Yu | ||

+ | |||

+ | 12/4, 12/11: Yun Li | ||

+ | |||

+ | ==2018 Spring== | ||

+ | |||

+ | Tuesday 2:30pm, B135 Van Vleck | ||

+ | |||

+ | |||

+ | Preliminary schedule: | ||

+ | |||

+ | 2/20, 2/27: Yun | ||

+ | |||

+ | 3/6, 3/13: Greg | ||

+ | |||

+ | 3/20, 4/3: Yu | ||

+ | |||

+ | 4/10, 4/17: Shuqi | ||

+ | |||

+ | 4/24, 5/1: Tony | ||

+ | |||

+ | ==2017 Fall== | ||

+ | |||

+ | Tuesday 2:30pm, 214 Ingraham Hall | ||

+ | |||

+ | |||

+ | Preliminary schedule: | ||

+ | |||

+ | 9/26, 10/3: Hans | ||

+ | |||

+ | 10/10, 10/17: Guo | ||

+ | |||

+ | 10/24, 10/31: Chaoji | ||

+ | |||

+ | 11/7, 11/14: Yun | ||

+ | |||

+ | 11/21, 11/28: Kurt | ||

+ | |||

+ | 12/5, 12/12: Christian | ||

+ | |||

+ | |||

+ | |||

+ | |||

+ | ==2017 Spring== | ||

+ | |||

+ | Tuesday 2:25pm, B211 | ||

+ | |||

+ | 1/31, 2/7: Fan | ||

+ | |||

+ | I will talk about the Hanson-Wright inequality, which is a large deviation estimate for random variable of the form X^* A X, where X is a random vector with independent subgaussian entries and A is an arbitrary deterministic matrix. In the first talk, I will present a beautiful proof given by Mark Rudelson and Roman Vershynin. In the second talk, I will talk about some applications of this inequality. | ||

+ | |||

+ | Reference: M. Rudelson and R. Vershynin, Hanson-Wright inequality and sub-gaussian concentration, Electron. Commun. Probab. Volume 18 (2013). | ||

+ | |||

+ | 3/7, 3/14 : Jinsu | ||

+ | |||

+ | Title : Donsker's Theorem and its application. | ||

+ | Donsker's Theorem roughly says normalized random walk with linear interpolation on time interval [0,1] weakly converges to the Brownian motion B[0,1] in C([0,1]). It is sometimes called Donsker's invariance principle or the functional central limit theorem. I will show main ideas for the proof of this theorem tomorrow and show a couple of applications in my 2nd talk. | ||

+ | |||

+ | Reference : https://www.math.utah.edu/~davar/ps-pdf-files/donsker.pdf | ||

+ | |||

+ | ==2016 Fall== | ||

+ | |||

+ | 9/27 Daniele | ||

+ | |||

+ | Stochastic reaction networks. | ||

+ | |||

+ | Stochastic reaction networks are continuous time Markov chain models used primarily in biochemistry. I will define them, prove some results that connect them to related deterministic models and introduce some open questions. | ||

+ | |||

+ | 10/4 Jessica | ||

+ | |||

+ | 10/11, 10/18: Dae Han | ||

+ | |||

+ | 10/25, 11/1: Jinsu | ||

+ | |||

+ | Coupling of Markov processes. | ||

+ | |||

+ | When we have two distributions on same probability space, we can think of a pair whose marginal probability is each of two distributions. | ||

+ | This pairing can be used to estimate the total variation distance between two distributions. This idea is called coupling method. | ||

+ | I am going to introduce basic concepts,ideas and applications of coupling for Markov processes. | ||

+ | |||

+ | Links of References | ||

+ | |||

+ | http://pages.uoregon.edu/dlevin/MARKOV/markovmixing.pdf | ||

+ | |||

+ | http://websites.math.leidenuniv.nl/probability/lecturenotes/CouplingLectures.pdf | ||

+ | |||

+ | 11/8, 11/15: Hans | ||

+ | |||

+ | 11/22, 11/29: Keith | ||

+ | |||

+ | Surprisingly Determinental: DPPs and some asymptotics of ASEP | ||

+ | |||

+ | I'll be reading and presenting some recent papers of Alexei Borodin and a few collaborators which have uncovered certain equivalences between determinental point processes and non-determinental processes. | ||

+ | |||

+ | |||

+ | ==2016 Spring== | ||

+ | |||

+ | Tuesday, 2:25pm, B321 Van Vleck | ||

+ | |||

+ | |||

+ | 3/29, 4/5: Fan Yang | ||

+ | |||

+ | I will talk about the ergodic decomposition theorem (EDT). More specifically, given a compact metric space X and a continuous transformation T on it, the theorem shows that any T-invariant measure on X can be decomposed into a convex combination of ergodic measures. In the first talk I introduced the EDT and some related facts. In the second talk, I will talk about the conditional measures, and prove that the ergodic measures in EDT are indeed the conditional measures. | ||

+ | |||

+ | |||

+ | 2/16 : Jinsu | ||

+ | |||

+ | Lyapunov function for Markov Processes. | ||

+ | |||

+ | For ODE, we can show stability of the trajectory using Lyapunov functions. | ||

+ | |||

+ | There is an analogy for Markov Processes. I'd like to talk about the existence of stationary distribution with Lyapunov function. | ||

+ | |||

+ | In some cases, it is also possible to show the rate of convergence to the stationary distribution. | ||

+ | |||

+ | ==2015 Fall== | ||

+ | |||

+ | This semester we will focus on tools and methods. | ||

+ | |||

+ | [https://www.math.wisc.edu/wiki/images/a/ac/Reading_seminar_2015.pdf Seminar notes] ([https://www.dropbox.com/s/f4km7pevwfb1vbm/Reading%20seminar%202015.tex?dl=1 tex file], [https://www.dropbox.com/s/lg7kcgyf3nsukbx/Reading_seminar_2015.bib?dl=1 bib file]) | ||

+ | |||

+ | 9/15, 9/22: Elnur | ||

+ | |||

+ | I will talk about large deviation theory and its applications. For the first talk, my plan is to introduce Gartner-Ellis theorem and show a few applications of it to finite state discrete time Markov chains. | ||

+ | |||

+ | 9/29, 10/6, 10/13 :Dae Han | ||

+ | |||

+ | 10/20, 10/27, 11/3: Jessica | ||

+ | |||

+ | I will first present an overview of concentration of measure and concentration inequalities with a focus on the connection with related topics in analysis and geometry. Then, I will present Log-Sobolev inequalities and their connection to concentration of measure. | ||

+ | |||

+ | 11/10, 11/17: Hao Kai | ||

+ | |||

+ | 11/24, 12/1, 12/8, 12/15: Chris | ||

+ | |||

+ | : | ||

+ | |||

+ | |||

+ | |||

+ | |||

+ | |||

+ | 2016 Spring: | ||

+ | |||

+ | 2/2, 2/9: Louis | ||

+ | |||

+ | |||

+ | 2/16, 2/23: Jinsu | ||

+ | |||

+ | 3/1, 3/8: Hans | ||

+ | |||

+ | ==2015 Spring== | ||

+ | |||

+ | |||

+ | 2/3, 2/10: Scott | ||

+ | |||

+ | An Introduction to Entropy for Random Variables | ||

+ | |||

+ | In these lectures I will introduce entropy for random variables and present some simple, finite state-space, examples to gain some intuition. We will prove the | ||

+ | MacMillan Theorem using entropy and the law of large numbers. Then I will introduce relative entropy and prove the Markov Chain Convergence Theorem. Finally I will | ||

+ | define entropy for a discrete time process. The lecture notes can be found at http://www.math.wisc.edu/~shottovy/EntropyLecture.pdf. | ||

+ | |||

+ | 2/17, 2/24: Dae Han | ||

+ | |||

+ | 3/3, 3/10: Hans | ||

+ | |||

+ | 3/17, 3/24: In Gun | ||

+ | |||

+ | 4/7, 4/14: Jinsu | ||

+ | |||

+ | 4/21, 4/28: Chris N. | ||

+ | |||

+ | |||

+ | |||

+ | |||

+ | |||

+ | |||

+ | ==2014 Fall== | ||

+ | |||

+ | 9/23: Dave | ||

+ | |||

+ | I will go over Mike Giles’ 2008 paper “Multi-level Monte Carlo path simulation.” This paper introduced a new Monte Carlo method to approximate expectations of SDEs (driven by Brownian motions) that is significantly more efficient than what was the state of the art. This work opened up a whole new field in the numerical analysis of stochastic processes as the basic idea is quite flexible and has found a variety of applications including SDEs driven by Brownian motions, Levy-driven SDEs, SPDEs, and models from biology | ||

+ | |||

+ | 9/30: Benedek | ||

+ | |||

+ | A very quick introduction to Stein's method. | ||

+ | |||

+ | I will give a brief introduction to Stein's method, mostly based on the the first couple of sections of the following survey article: | ||

+ | |||

+ | Ross, N. (2011). Fundamentals of Stein’s method. Probability Surveys, 8, 210-293. | ||

+ | |||

+ | The following webpage has a huge collection of resources if you want to go deeper: https://sites.google.com/site/yvikswan/about-stein-s-method | ||

+ | |||

+ | |||

+ | Note that the Midwest Probability Colloquium (http://www.math.northwestern.edu/mwp/) will have a tutorial program on Stein's method this year. | ||

+ | |||

+ | 10/7, 10/14: Chris J. | ||

+ | [http://www.math.wisc.edu/~janjigia/research/MartingaleProblemNotes.pdf An introduction to the (local) martingale problem.] | ||

+ | |||

+ | |||

+ | 10/21, 10/28: Dae Han | ||

+ | |||

+ | 11/4, 11/11: Elnur | ||

+ | |||

+ | 11/18, 11/25: Chris N. Free Probability with an emphasis on C* and Von Neumann Algebras | ||

+ | |||

+ | 12/2, 12/9: Yun Zhai | ||

+ | |||

+ | ==2014 Spring== | ||

+ | |||

+ | |||

+ | 1/28: Greg | ||

+ | |||

+ | 2/04, 2/11: Scott | ||

+ | |||

+ | [http://www.math.wisc.edu/~shottovy/BLT.pdf Reflected Brownian motion, Occupation time, and applications.] | ||

+ | |||

+ | 2/18: Phil-- Examples of structure results in probability theory. | ||

+ | |||

+ | 2/25, 3/4: Beth-- Derivative estimation for discrete time Markov chains | ||

+ | |||

+ | 3/11, 3/25: Chris J [http://www.math.wisc.edu/~janjigia/research/stationarytalk.pdf Some classical results on stationary distributions of Markov processes] | ||

+ | |||

+ | 4/1, 4/8: Chris N | ||

+ | |||

+ | 4/15, 4/22: Yu Sun | ||

+ | |||

+ | 4/29. 5/6: Diane | ||

+ | |||

+ | ==2013 Fall== | ||

+ | |||

+ | 9/24, 10/1: Chris | ||

+ | [http://www.math.wisc.edu/~janjigia/research/metastabilitytalk.pdf A light introduction to metastability] | ||

+ | |||

+ | 10/8, Dae Han | ||

+ | Majoring multiplicative cascades for directed polymers in random media | ||

+ | |||

+ | 10/15, 10/22: no reading seminar | ||

+ | |||

+ | 10/29, 11/5: Elnur | ||

+ | Limit fluctuations of last passage times | ||

+ | |||

+ | 11/12: Yun | ||

+ | Helffer-Sjostrand representation and Brascamp-Lieb inequality for stochastic interface models | ||

+ | |||

+ | 11/19, 11/26: Yu Sun | ||

+ | |||

+ | 12/3, 12/10: Jason | ||

+ | |||

+ | ==2013 Spring== | ||

+ | |||

+ | 2/13: Elnur | ||

+ | |||

+ | Young diagrams, RSK correspondence, corner growth models, distribution of last passage times. | ||

+ | |||

+ | 2/20: Elnur | ||

+ | |||

+ | 2/27: Chris | ||

+ | |||

+ | A brief introduction to enlargement of filtration and the Dufresne identity | ||

+ | [http://www.math.wisc.edu/~janjigia/research/Presentation%20Notes.pdf Notes] | ||

+ | |||

+ | 3/6: Chris | ||

+ | |||

+ | 3/13: Dae Han | ||

+ | |||

+ | An introduction to random polymers | ||

+ | |||

+ | 3/20: Dae Han | ||

+ | |||

+ | Directed polymers in a random environment: path localization and strong disorder | ||

+ | |||

+ | 4/3: Diane | ||

+ | |||

+ | Scale and Speed for honest 1 dimensional diffusions | ||

+ | |||

+ | References: <br> | ||

+ | Rogers & Williams - Diffusions, Markov Processes and Martingales <br> | ||

+ | Ito & McKean - Diffusion Processes and their Sample Paths <br> | ||

+ | Breiman - Probability <br> | ||

+ | http://www.statslab.cam.ac.uk/~beresty/Articles/diffusions.pdf | ||

+ | |||

+ | 4/10: Diane | ||

+ | |||

+ | 4/17: Yun | ||

+ | |||

+ | Introduction to stochastic interface models | ||

+ | |||

+ | 4/24: Yun | ||

+ | |||

+ | Dynamics and Gaussian equilibrium sytems | ||

+ | |||

+ | 5/1: This reading seminar will be shifted because of a probability seminar. | ||

+ | |||

+ | |||

+ | 5/8: Greg, Maso | ||

+ | |||

+ | The Bethe ansatz vs. The Replica Trick. This lecture is an overview of the two | ||

+ | approaches. See [http://arxiv.org/abs/1212.2267] for a nice overview. | ||

+ | |||

+ | 5/15: Greg, Maso | ||

+ | |||

+ | Rigorous use of the replica trick. |

## Latest revision as of 14:35, 1 September 2020

(... in probability)

## Contents

## 2020 Fall

## 2020 Spring

Tuesday 2:30pm, 901 Van Vleck

2/4, 2/11: Edwin

2/18, 2/25: Chaojie

3/3. 3/10: Yu Sun

3/24, 3/31: Tony

4/7, 4/14: Tung

4/21, 4/28: Tung

## 2019 Fall

Tuesday 2:30pm, 901 Van Vleck

9/24, 10/1: Xiao

10/8, 10/15: Jakwang

10/22, 10/29: Evan

11/5, 11/12: Chaojie

12/3, 12/10: Tung

## 2019 Spring

Tuesday 2:30pm, 901 Van Vleck

2/5: Timo

2/12, 2/19: Evan

2/26, 3/5: Chaojie

3/12, 3/26: Kurt

4/2, 4/9: Yu

4/16, 4/23: Max

4/30, 5/7: Xiao

## 2018 Fall

Tuesday 2:30pm, 901 Van Vleck

The topic this semester is large deviation theory. Send me (BV) an email, if you want access to the shared Box folder with some reading material.

9/25, 10/2: Dae Han

10/9, 10/16: Kurt

10/23, 10/30: Jane Davis

11/6, 11/13: Brandon Legried

11/20, 11/27: Shuqi Yu

12/4, 12/11: Yun Li

## 2018 Spring

Tuesday 2:30pm, B135 Van Vleck

Preliminary schedule:

2/20, 2/27: Yun

3/6, 3/13: Greg

3/20, 4/3: Yu

4/10, 4/17: Shuqi

4/24, 5/1: Tony

## 2017 Fall

Tuesday 2:30pm, 214 Ingraham Hall

Preliminary schedule:

9/26, 10/3: Hans

10/10, 10/17: Guo

10/24, 10/31: Chaoji

11/7, 11/14: Yun

11/21, 11/28: Kurt

12/5, 12/12: Christian

## 2017 Spring

Tuesday 2:25pm, B211

1/31, 2/7: Fan

I will talk about the Hanson-Wright inequality, which is a large deviation estimate for random variable of the form X^* A X, where X is a random vector with independent subgaussian entries and A is an arbitrary deterministic matrix. In the first talk, I will present a beautiful proof given by Mark Rudelson and Roman Vershynin. In the second talk, I will talk about some applications of this inequality.

Reference: M. Rudelson and R. Vershynin, Hanson-Wright inequality and sub-gaussian concentration, Electron. Commun. Probab. Volume 18 (2013).

3/7, 3/14 : Jinsu

Title : Donsker's Theorem and its application. Donsker's Theorem roughly says normalized random walk with linear interpolation on time interval [0,1] weakly converges to the Brownian motion B[0,1] in C([0,1]). It is sometimes called Donsker's invariance principle or the functional central limit theorem. I will show main ideas for the proof of this theorem tomorrow and show a couple of applications in my 2nd talk.

Reference : https://www.math.utah.edu/~davar/ps-pdf-files/donsker.pdf

## 2016 Fall

9/27 Daniele

Stochastic reaction networks.

Stochastic reaction networks are continuous time Markov chain models used primarily in biochemistry. I will define them, prove some results that connect them to related deterministic models and introduce some open questions.

10/4 Jessica

10/11, 10/18: Dae Han

10/25, 11/1: Jinsu

Coupling of Markov processes.

When we have two distributions on same probability space, we can think of a pair whose marginal probability is each of two distributions. This pairing can be used to estimate the total variation distance between two distributions. This idea is called coupling method. I am going to introduce basic concepts,ideas and applications of coupling for Markov processes.

Links of References

http://pages.uoregon.edu/dlevin/MARKOV/markovmixing.pdf

http://websites.math.leidenuniv.nl/probability/lecturenotes/CouplingLectures.pdf

11/8, 11/15: Hans

11/22, 11/29: Keith

Surprisingly Determinental: DPPs and some asymptotics of ASEP

I'll be reading and presenting some recent papers of Alexei Borodin and a few collaborators which have uncovered certain equivalences between determinental point processes and non-determinental processes.

## 2016 Spring

Tuesday, 2:25pm, B321 Van Vleck

3/29, 4/5: Fan Yang

I will talk about the ergodic decomposition theorem (EDT). More specifically, given a compact metric space X and a continuous transformation T on it, the theorem shows that any T-invariant measure on X can be decomposed into a convex combination of ergodic measures. In the first talk I introduced the EDT and some related facts. In the second talk, I will talk about the conditional measures, and prove that the ergodic measures in EDT are indeed the conditional measures.

2/16 : Jinsu

Lyapunov function for Markov Processes.

For ODE, we can show stability of the trajectory using Lyapunov functions.

There is an analogy for Markov Processes. I'd like to talk about the existence of stationary distribution with Lyapunov function.

In some cases, it is also possible to show the rate of convergence to the stationary distribution.

## 2015 Fall

This semester we will focus on tools and methods.

Seminar notes (tex file, bib file)

9/15, 9/22: Elnur

I will talk about large deviation theory and its applications. For the first talk, my plan is to introduce Gartner-Ellis theorem and show a few applications of it to finite state discrete time Markov chains.

9/29, 10/6, 10/13 :Dae Han

10/20, 10/27, 11/3: Jessica

I will first present an overview of concentration of measure and concentration inequalities with a focus on the connection with related topics in analysis and geometry. Then, I will present Log-Sobolev inequalities and their connection to concentration of measure.

11/10, 11/17: Hao Kai

11/24, 12/1, 12/8, 12/15: Chris

2016 Spring:

2/2, 2/9: Louis

2/16, 2/23: Jinsu

3/1, 3/8: Hans

## 2015 Spring

2/3, 2/10: Scott

An Introduction to Entropy for Random Variables

In these lectures I will introduce entropy for random variables and present some simple, finite state-space, examples to gain some intuition. We will prove the MacMillan Theorem using entropy and the law of large numbers. Then I will introduce relative entropy and prove the Markov Chain Convergence Theorem. Finally I will define entropy for a discrete time process. The lecture notes can be found at http://www.math.wisc.edu/~shottovy/EntropyLecture.pdf.

2/17, 2/24: Dae Han

3/3, 3/10: Hans

3/17, 3/24: In Gun

4/7, 4/14: Jinsu

4/21, 4/28: Chris N.

## 2014 Fall

9/23: Dave

I will go over Mike Giles’ 2008 paper “Multi-level Monte Carlo path simulation.” This paper introduced a new Monte Carlo method to approximate expectations of SDEs (driven by Brownian motions) that is significantly more efficient than what was the state of the art. This work opened up a whole new field in the numerical analysis of stochastic processes as the basic idea is quite flexible and has found a variety of applications including SDEs driven by Brownian motions, Levy-driven SDEs, SPDEs, and models from biology

9/30: Benedek

A very quick introduction to Stein's method.

I will give a brief introduction to Stein's method, mostly based on the the first couple of sections of the following survey article:

Ross, N. (2011). Fundamentals of Stein’s method. Probability Surveys, 8, 210-293.

The following webpage has a huge collection of resources if you want to go deeper: https://sites.google.com/site/yvikswan/about-stein-s-method

Note that the Midwest Probability Colloquium (http://www.math.northwestern.edu/mwp/) will have a tutorial program on Stein's method this year.

10/7, 10/14: Chris J. An introduction to the (local) martingale problem.

10/21, 10/28: Dae Han

11/4, 11/11: Elnur

11/18, 11/25: Chris N. Free Probability with an emphasis on C* and Von Neumann Algebras

12/2, 12/9: Yun Zhai

## 2014 Spring

1/28: Greg

2/04, 2/11: Scott

Reflected Brownian motion, Occupation time, and applications.

2/18: Phil-- Examples of structure results in probability theory.

2/25, 3/4: Beth-- Derivative estimation for discrete time Markov chains

3/11, 3/25: Chris J Some classical results on stationary distributions of Markov processes

4/1, 4/8: Chris N

4/15, 4/22: Yu Sun

4/29. 5/6: Diane

## 2013 Fall

9/24, 10/1: Chris A light introduction to metastability

10/8, Dae Han Majoring multiplicative cascades for directed polymers in random media

10/15, 10/22: no reading seminar

10/29, 11/5: Elnur Limit fluctuations of last passage times

11/12: Yun Helffer-Sj?ostrand representation and Brascamp-Lieb inequality for stochastic interface models

11/19, 11/26: Yu Sun

12/3, 12/10: Jason

## 2013 Spring

2/13: Elnur

Young diagrams, RSK correspondence, corner growth models, distribution of last passage times.

2/20: Elnur

2/27: Chris

A brief introduction to enlargement of filtration and the Dufresne identity Notes

3/6: Chris

3/13: Dae Han

An introduction to random polymers

3/20: Dae Han

Directed polymers in a random environment: path localization and strong disorder

4/3: Diane

Scale and Speed for honest 1 dimensional diffusions

References:

Rogers & Williams - Diffusions, Markov Processes and Martingales

Ito & McKean - Diffusion Processes and their Sample Paths

Breiman - Probability

http://www.statslab.cam.ac.uk/~beresty/Articles/diffusions.pdf

4/10: Diane

4/17: Yun

Introduction to stochastic interface models

4/24: Yun

Dynamics and Gaussian equilibrium sytems

5/1: This reading seminar will be shifted because of a probability seminar.

5/8: Greg, Maso

The Bethe ansatz vs. The Replica Trick. This lecture is an overview of the two approaches. See [1] for a nice overview.

5/15: Greg, Maso

Rigorous use of the replica trick.