Date:  Intermediate Group
Speaker, Affiliation, Topic 
Advanced Group
Speaker, Affiliation, Topic 
Notes 

September 21, 2011 
Alon Amit The Wonders of the ProuhetThueMorse Sequence 
Paul Zeitz University of San Francisco 

September 28, 2011  Dave Auckly
MSRI 
Paul Zeitz
University of San Francisco 

October 5, 2011  Joshua Zucker  Zvezdelina Stankova
Mills College Inversion in the Plane, Part 1 

October 12, 2011  Joshua Zucker  Zvezdelina Stankova
Mills College Inversion in the Plane, Part 2 

October 19, 2011  Linda Green Dominican University 
Stanislav Dubrovskiy
MSRI, Northeastern University Einstein’s thought experiments, 

October 26, 2011  Maia Averett Mills College Knots 
Linda Green Dominican University Math Wrangle 

November 2, 2011  Emily McCullough Mission High School The Handshake Problem 
Aaron Abrams MSRI / Emory University Finite and Infinite Geometric Series, and More 

November 9, 2011  AMC8 Preparation  Tom Davis Iterated Functions 

November 16, 2011  AMC8 Contest (Intermediate)  Alexander Volberg MSRI, Michigan State University Elementary Geometric Problems at the Forefront of Mathematics 

November 23, 2011  NO MATH CIRCLE
Thanksgiving 

November 30, 2011  Linda Green Dominican University 
Joshua Zucker  
December 7, 2011  Linda Green Dominican University 
Alon Amit Counting to more than infinity 

December 14, 2011  Linda Green Dominican University 

December 21, 2011  NO MATH CIRCLE
Winter Break 

December 28, 2011  NO MATH CIRCLE
Winter Break 

January 4, 2012  NO MATH CIRCLE
Winter Break 

January 11, 2012  Nancy Blachman Nueva Math Circle Mathemagics 
Ernesto Diaz Dominican University Redwood High School Mathematics of Voting and Apportionment 
Math Wrangle practice session 1
will be on Sunday, Jan 15th from 2:00 – 5:00 pm in Guzman 301. All welcome. 
January 18, 2012  Brandy Wiegers San Francisco State University Slide Rules Rule! (Part 1) 
Linda Green Dominican University Tiling and Induction 

January 25, 2012  Brandy Wiegers San Francisco State University Slide Rules Rule! (Part 2) 
Sevak Mkrtchyan MSRI / Rice University Invariants 
Math Wrangle practice session 2
will be on Sunday, Jan 29th from 2:00 – 5:00 pm in Guzman 301. All welcome. Here are the problems, 
February 1, 2012  Linda Green Dominican University Exploding Dots and Alien Arithmetic (Part 1) 
Joshua Zucker Counting and Symmetry 

February 8, 2012  Linda Green Dominican University Exploding Dots and Alien Arithmetic (Part 2) 
Ted Alper EPGY / Stanford Math Circle Putting things in order 

February 15, 2012  Sheila Fischer Artist Dynamic Symmetry and Art 
Joshua Zucker
MSRI / Art of Problem Solving 

February 22, 2012  NO MATH CIRCLE
Ski Week 
AMC10/12 Contests  
Tuesday
February 28, 2012 
BAMO Contests  
February 29, 2012  NO MATH CIRCLE  
March 7, 2012  Linda Green Dominican University Math Auction 
Adrien Kassel MSRI Tilings and Related Objects 

March 14, 2012  Joshua Zucker MSRI / Art of Problem Solving Trapezoidal and Other Shapely Numbers, Part 1 
Paul Zeitz University of San Francisco How to Gamble If You Must 

March 21, 2012  Joshua Zucker Trapezoidal and Other Shapely Numbers, Part 2 
Linda Green Dominican University Curvature and the GaussBonnet Theorem 

March 28, 2012  Paul Zeitz University of San Francisco Probability 
Vladislav Rutenburg Shortest Path Algorithms 
Advanced Group meets in Guzman 110 this week.Advanced Group: please work on these Shortest Path Warmup Problems BEFORE the March 28th session. Intermediate Group: BEFORE the April 4th session, please do problem #2 on nontransitive dice from last week’s handout and figure out how much you should pay to play a game that wins you $10, but only 2/3 of the time. 
April 4, 2012  Paul Zeitz University of San Francisco More Probability 
Sanjay Ramassamy MSRI Divisibility, Primality and Modular Arithmetic 
Advanced Group: please work on these Divisibility Warmup Problems BEFORE the April 4th session.
Intermediate Group: BEFORE the April 4th session, please do problem #2 on nontransitive dice from last week’s handout and figure out how much you should pay to play a game that wins you $10, but only 2/3 of the time. 
April 11, 2012  NO MATH CIRCLE
Spring Break 

April 18, 2012  Mela Hardin Graph Theory, Part 1 
Alon Amit Ramsey Numbers 

April 25, 2012  Mela Hardin
Graph Theory, Part 2 
Paul Zeitz University of San Francisco More on Ramsey Numbers 

May 2, 2012  Mela Hardin Graph Theory Game 
Paul Zeitz University of San Francisco More on Probability 

May 9, 2012  Elena Fuchs UC Berkeley Modular Arithmetic (Part 1) 
Ernesto Diaz Dominican University Redwood High School Mathematics of Digital Signals: Analog/Digital and Digital/Analog conversion and a bit of coding and transmission 

May 16, 2012  Elena Fuchs UC Berkeley Modular Arithmetic (Part 2) 
Stanislav Dubrovskiy Induction in Geometry: what it is and what it’s good for (Euler number, four colors and all that) 

May 23, 2012  Stan Isaacs Puzzle Party 