**Professor Zeev Dvir**

**The Szemerédi–Trotter theorem**

**Thursday at 4:30**

**Fine 110**

**Yes (Pizza from Princeton Pi)**

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We are having our first math department colloquium on Thursday, February 16 on the Szemerédi-Trotter theorem, which is a really cool theorem in combinatorial geometry that gives an upper bound on the number of incidences between lines and points in the plane.

Who: **Professor Zeev Dvir**

What: **The Szemerédi–Trotter theorem**

When: **Thursday at 4:30**

Where: **Fine 110**

Food: **Yes (Pizza from Princeton Pi)**

The 11th annual Princeton University Mathematics Competition is barely a month away! As one of the largest math competitions for high school students in the world, we attract hundreds of students to Princeton to engage in a day-long adventure in mathematics. The main website for the event is here.

As a student-run event, we are always looking for volunteers to help out!

**Date:** November 19th (Saturday)

**Time:** 9 am – noon, but we would also appreciate extra volunteers for the afternoon

**Role:** Proctoring

**Perks:** FREE (yummy) breakfast, FREE (catered) lunch, FREE (sexy) t-shirt

If you are interested in helping out, you can contact ypatel@princeton.edu. Additionally, if you are interested in helping test-solve, you can contact eneyman@princeton.edu.

You may have heard of *Hamlet *by William Shakespeare. BUT have you heard of *Ham-set *by Jerry Shakespeare? Jerry Shakespeare, who looks resounding similar to his brother and also apparently had very similar dialogue in his stories, is a newly discovered gem. Come discover the newly uncovered, six-hundred year old manuscript in its truest form **this Tuesday**!

**Who**: Prof. Jerry Wang

**What**: To Square or Not to Square

**When**: 5:00 PM — 6:00 PM, Tuesday, 10/18

**Where**: Fine 110

Abstract: I will be speaking about my two research areas on rational points on hyperelliptic curves and squarefree sieve of discriminants.

Welcome back to campus! Hope everyone had a great summer.

Our first Board Game Night of the year will be this Friday!

**Time:** 9-12 PM, Friday, September 18, 2015

**Place:** Fine Common Room

Come hang out and enjoy a leisurely night playing board games and eating delicious snacks. There will be pizza!

Principia is officially accepting submissions! Visit our brand new website at www.pumj.org to view submission guidelines.

We are also looking for advertisers! More information can be found here:

http://www.pumj.org/advertising

Principia announcement on webpage of Princeton’s Office of Undergraduate Research:

https://undergraduateresearch.princeton.edu/news/principia-now-accepting-submissions-spring-issue

What: info session on applying to graduate schools.

Where: Fine common room

When: Friday 5/9, 3:30pm (a.k.a. tea time!)

Princeton University Press gave us a bunch of new books! They’re on the shelf in Fine Hall Common Room. Feel free to check them out! Please keep them in the Common Room though!

We will be having a colloquium this coming Wednesday at 5 pm in Fine 214. The speaker will be Prof. Gang Tian who specializes in geometric analysis. Check out his profile/wikipedia page here: http://en.wikipedia.org/wiki/Gang_Tian

The title of the talk will be “Conic spherical metrics”. Here is the abstract:

I will discuss the problem of constructing spherical structures on 2-sphere with prescribed conic angles and its connection to geometric stability. In the end, I will briefly discuss higher dimensional analogue of this problem.

Hope to see you there!

The next colloquium will be this coming Monday, 4/28, given by Prof. Yakov Sinai. It will be at 5pm in Fine 322. He will be talking about deterministic chaos and here is the abstract:

Deterministic chaos is a property of deterministic dynamics. I shall explain main properties of chaotic dynamics and give some example of chaotic dynamical systems.

Prof. Sinai is known for his work in dynamic systems. As many of you may have heard, he received the Abel Prize, which is often described as the mathematician’s Nobel Prize, not long ago. Check out his wikipedia page if you are interested!http://en.wikipedia.org/wiki/Yakov_Sinai

When: **4:30 pm – 5:30 pm, April 23**

Where: **Fine 214**

What:

Abstract: