Difference between revisions of "AMS Student Chapter Seminar"

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'''General Information''':  AMS Student Chapter Seminar will take place on Wednesday at 3:30 in the 9th floor lounge area.  Talks should be of interest to the general math community, and generally will not run longer than 30 minutes.  Everyone is welcome to give a talk, please just sign up on this page.  Alternatively we will also sign interested people up at the seminar itself. There will generally be donut provided, although the snack may vary from week to week.
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The AMS Student Chapter Seminar is an informal, graduate student seminar on a wide range of mathematical topics. Pastries (usually donuts) will be provided.
  
To sign up please provide your name and a title. Abstracts are welcome but optional.
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* '''When:''' Wednesdays, 3:20 PM – 3:50 PM
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* '''Where:''' Van Vleck, 9th floor lounge (unless otherwise announced)
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* '''Organizers:''' [https://www.math.wisc.edu/~malexis/ Michel Alexis], [https://www.math.wisc.edu/~drwagner/ David Wagner], [http://www.math.wisc.edu/~nicodemus/ Patrick Nicodemus], [http://www.math.wisc.edu/~thaison/ Son Tu], Carrie Chen
  
==Fall 2014==
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Everyone is welcome to give a talk. To sign up, please contact one of the organizers with a title and abstract. Talks are 30 minutes long and should avoid assuming significant mathematical background beyond first-year graduate courses.
  
==September 25, Vladimir Sotirov==
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The schedule of talks from past semesters can be found [[AMS Student Chapter Seminar, previous semesters|here]].
  
Title: [[Media:Compact-openTalk.pdf|The compact open topology: what is it really?]]
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== Fall 2019 ==
  
Abstract:  The compact-open topology on the space C(X,Y) of continuous functions from X to Y is mysteriously generated by declaring that for each compact subset K of X and each open subset V of Y, the continous functions f: X->Y conducting K inside V constitute an open set. In this talk, I will explain the universal property that uniquely determines the compact-open topology, and sketch a pretty constellation of little-known but elementary facts from domain theory that dispell the mystery of the compact-open topology's definition.
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=== October 9, Brandon Boggess===
  
==October 8, David Bruce==
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Title: An Application of Elliptic Curves to the Theory of Internet Memes
  
Title: Hex on the Beach
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Abstract: Solve polynomial equations with this one weird trick! Math teachers hate him!!!
  
Abstract: The game of Hex is a two player game played on a hexagonal grid attributed in part to John Nash. (This is the game he is playing in /A Beautiful Mind./) Despite being relatively easy to pick up, and pretty hard to master, this game has surprising connections to some interesting mathematics. This talk will introduce the game of Hex, and then explore some of these connections. *As it is a lot more fun once you've actually played Hex feel free to join me at 3:00pm on the 9th floor to actually play a few games of Hex!*
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[[File:Thumbnail fruit meme.png]]
  
==October 22, Eva Elduque==
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=== October 16, Jiaxin Jin===
  
Title: The fold and one cut problem
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Title: Persistence and global stability for biochemical reaction-diffusion systems
  
Abstract: What shapes can we get by folding flat a piece of paper and making (only) one complete straight cut? The answer is surprising: We can cut out any shape drawn with straight line segments. In the talk, we will discuss the two methods of approaching this problem, focusing on the straight skeleton method, the most intuitive of the two.
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Abstract: The investigation of the dynamics of solutions of nonlinear reaction-diffusion PDE systems generated by biochemical networks is a great challenge; in general, even the existence of classical solutions is difficult to establish. On the other hand, these kinds of problems appear very often in biological applications, e.g., when trying to understand the role of spatial inhomogeneities in living cells. We discuss the persistence and global stability properties of special classes of such systems, under additional assumptions such as: low number of species, complex balance or weak reversibility.
  
==November 5, Megan Maguire==
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=== October 23, Erika Pirnes===
  
Title: Train tracks on surfaces
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(special edition: carrot seminar)
  
Abstract: What is a train track, mathematically speaking? Are they interesting? Why are they interesting? Come find out!
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Title: Why do ice hockey players fall in love with mathematicians? (Behavior of certain number string sequences)
  
==November 19, Adrian Tovar-Lopez==
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Abstract: Starting with some string of digits 0-9, add the adjacent numbers pairwise to obtain a new string. Whenever the sum is 10 or greater, separate its digits. For example, 26621 would become 81283 and then 931011. Repeating this process with different inputs gives varying behavior. In some cases the process terminates (becomes a single digit), or ends up in a loop, like 999, 1818, 999... The length of the strings can also start growing very fast. I'll discuss some data and conjectures about classifying the behavior.
  
Title: Hodgkin and Huxley equations of a single neuron
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=== October 30, Yunbai Cao===
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Title: TBD
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Abstract: TBD
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=== November 6, Tung Nguyen===
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Title: TBD
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Abstract: TBD
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=== November 13, Stephen Davis===
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Title: Random Motion
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Abstract: We'll talk about how to see random motions from different points of view. We'll end up placing one of our favorite random motions in a very creative geometric space, which will help us see things we couldn't see before.
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=== November 20, Colin Crowley===
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Title: TBD
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Abstract: TBD
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=== December 4, Xiaocheng Li===
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Title: TBD
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Abstract: TBD
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=== December 11, Chaojie Yuan===
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Title: TBD
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Abstract: TBD

Latest revision as of 21:21, 21 October 2019

The AMS Student Chapter Seminar is an informal, graduate student seminar on a wide range of mathematical topics. Pastries (usually donuts) will be provided.

Everyone is welcome to give a talk. To sign up, please contact one of the organizers with a title and abstract. Talks are 30 minutes long and should avoid assuming significant mathematical background beyond first-year graduate courses.

The schedule of talks from past semesters can be found here.

Fall 2019

October 9, Brandon Boggess

Title: An Application of Elliptic Curves to the Theory of Internet Memes

Abstract: Solve polynomial equations with this one weird trick! Math teachers hate him!!!

Thumbnail fruit meme.png

October 16, Jiaxin Jin

Title: Persistence and global stability for biochemical reaction-diffusion systems

Abstract: The investigation of the dynamics of solutions of nonlinear reaction-diffusion PDE systems generated by biochemical networks is a great challenge; in general, even the existence of classical solutions is difficult to establish. On the other hand, these kinds of problems appear very often in biological applications, e.g., when trying to understand the role of spatial inhomogeneities in living cells. We discuss the persistence and global stability properties of special classes of such systems, under additional assumptions such as: low number of species, complex balance or weak reversibility.

October 23, Erika Pirnes

(special edition: carrot seminar)

Title: Why do ice hockey players fall in love with mathematicians? (Behavior of certain number string sequences)

Abstract: Starting with some string of digits 0-9, add the adjacent numbers pairwise to obtain a new string. Whenever the sum is 10 or greater, separate its digits. For example, 26621 would become 81283 and then 931011. Repeating this process with different inputs gives varying behavior. In some cases the process terminates (becomes a single digit), or ends up in a loop, like 999, 1818, 999... The length of the strings can also start growing very fast. I'll discuss some data and conjectures about classifying the behavior.

October 30, Yunbai Cao

Title: TBD

Abstract: TBD

November 6, Tung Nguyen

Title: TBD

Abstract: TBD

November 13, Stephen Davis

Title: Random Motion

Abstract: We'll talk about how to see random motions from different points of view. We'll end up placing one of our favorite random motions in a very creative geometric space, which will help us see things we couldn't see before.

November 20, Colin Crowley

Title: TBD

Abstract: TBD

December 4, Xiaocheng Li

Title: TBD

Abstract: TBD

December 11, Chaojie Yuan

Title: TBD

Abstract: TBD