Previous colloquia and lectures (scroll down for previous student seminars)
September 2019  May Mei, Dennison College  Musings on periodicity and aperiodicity 
October 2019  Sabetta Matsumoto, Georgia Tech  Twisted topological tangles or: the knot theory of knitting 
November 2019 
Carolyn Yackel, Mercer University  Itajime Shibori wallpaper patterns 
February 2020 
Karen Saxe, AMS 
Mathematics and Social Justice 
February 2020  Meet the Teachers (Panel discussion) 
Alums shared paths to high school teaching. 
October 2018  Diana Thomas, West Point (Heard Lecture)  Who should take 10,000 steps per day? 
October 2018  Paul Patrone, NIST  The proof is in the patent: Considering microfluidics through the lens of real analysis 
December 2018  Catherine Pfaff, Queen's University  Symmetries, outer space, and the outer automorphism group of the free group 
February 2019  Kelsey HoustonEdwards (Olin)  Achieving rental harmony with a secretive roomate 
February 2019  Priya Kohli (Connecticut College)  Covariance modeling for correlated data: A datadriven approach 
April 2019  Richard Schwartz (Brown University)  Inscribing triangles and rectangles in continuous loops 
April 2019  Maura Paterson (Birkbeck University of London)  Some applications of combinatorics in information security 
September 2017  Tom Garrity, Williams College  On Some Wonders of Factoring and Its Many Choices 
October 2017  Amy Wagaman, Amherst College  Making Decisions with Data Relevant to You 
October 2017 
Mitchel Keller, Washington and Lee University  Online Algorithms: Dealing with an Evolving Situation 
November 2017  Melinda Lanius '12, UIUC  Ice Cream Geometry: A Mathematical Activity and Coloring Book 
February 2018  Abigail Raz, Rutgers  The UnionClosed Sets Conjecture 
February 2018  Joe Lauer, Wellesley  Zooming in on geometric flows 
March 2018  Bernhard Klingenberg, Amherst  Comparing margins of multivariate binary data 
March 2018  Tamar Mentzel, MIT  Using statistics to understand electrical noise in novel materials 
September 2016  Ismar Volić, Wellesley College  Cryptography and privacy 
October 2016  Kara Yacoubou Djima, Amherst College  A taste of data analysis via applied harmonic analysis 
October 2016 
Margaret Robinson, Mount Holyoke College  The wonderful world of padic numbers where the discrete meets the continuous 
November 2016  Amanda Curtis '11, UCSB  An introduction to topological quantum computing and (some of) the mathematics behind it 
November 2016  Reed Solomon, University of Connecticut  Finding order in the random: Ramsey style regularity theorems 
February 21  Prof. Mark Glickman, Harvard University  Rating the chess rating system 
March 1  Dr. Eugenia Cheng  How to bake pi 
April 12  Jeremy Kepner, MIT  Enabling scaleup, scaleout, and scaledeep for big data 

September 2015 Andy Schultz Qbert through the looking glass October 2015 Garth Isaak What's your order? October 2015 Beth Romano From planets to polynomials November 2015 Kathryn Lesh The Fibonacci numbers, the Golden Ratio and the levels of irrationality November 2015 Catherine Lucarelli Mathematics and the National Security Agency April 2016 Jessica Dyer Discrete dynamical systems April 2016 Voula Collins '09 KnutsonTao puzles and their uses

September 2014 Dan Rockmore Reading, writing, and 'rithmetic  The mathematics of text analysis October 2014 Megan Heenehan K_d are you there? November 2014 Cornelia Van Cott Sometimes pi equals 4 February 2015 Aviva Halani '07 Student thinking about combinatorics solution sets February 2015 Bob Milniker A new angle on an old construction

September 2013 Keith Conrad What is the ABC conjecture? October 2013 Ruth Charney From Robotics to Geometry November 2013 Cassandra Pattanayak One embryo or two for fertilization? Assessing causation without randomization November 2013 Erica Camacho Understanding gene regulatory interactions through recurrent neural network models March 2014 Sarah Greenwald Mathematical morsels from the Simpsons and Futurama April 2014 Shannon Stock Regression tree methods for the analysis of HIV viral genetic mutations April 2014 Nathan Karst From blood flow to lava: The mathematics of oscillating fluids

September 2012 Julianna Stockton Hungarian Mathematics Education: A Tradition of Excellence Transitions to the 21st Century October 2012 Setyan Devadoss The World of Particle Collisions November 2012 Genevieve Walsh What is an orbifold? December 2012 David Pollack An Introduction to the Arithmetic of Elliptic Curves Februbary 2013 William Dunham Euler in Action April 2013 Mark Behren Exotic Spheres April 2013 Elisenda Grigsby Braids

September 2011 Megan Kerr Nonnegatively curved homogeneous spaces: how is algebra controlling geometry? October 2011 Moon Duchin Counting Problems October 2011 Andrew Schultz A $q$analog of Fleck's congruence October 2011 Alex Diesl Strongly Clean Matrices November 2011 Karen Lange Searching for simple integer parts November 2011 Caroline Klivans The Space of Phylogenetic Trees
February 2012 Michael Ching Apollonian circle packings of the halfplane
February 2012 Aaron Hoffman Phase Planes, Waves and Delays
February 2012 Nathan Karst Reliable data transmission over a wireless channel
March 2012 Andrew Schultz Linear Algebra in your daily (digital) life
March 2012 Brian Storey Modeling Flow and Transport in Nanofluidic Devices
March 2012 Christine Breiner Existence and Uniqueness of Minimal Surfaces
April 2012 Elizabeth Denne Rectangles and other polygons inscribed in curves
April 2012 Ann Trenk The Discrepency of a Poset: Mathematical Approach to Fair Rankings
April 2012 Ashley Dombkowski Research, MeSearch, WeSearch: How consumerdirected genetic technologies are changing the face of medicine
April 2012 Ismar Volic
Configuration spaces in topology

September 2010 Andrew Schultz Algebraic $K$theory and Quadratic Reciprocity October 2010 David Mazur Errorcorrecting codes: what Hamming wrought November 2010 Jonathan Tannenhauser Entropy, Strings and Partitions of Integers November 2010 Charles Bu Math Education in China November 2010 Ismar Volic The fundamental theorem of finite type knot invariants November 2010 Catherine Roberts An Equation Runs Through It: River Rafting in the Grand Canyon March 2011 Allison Pacelli Algebraic Number Theory: An Ideal Subject March 2011 Thomas Fleming Milnor Numbers and Clasper Surgery: How Mathematicians Study Stretchy Strings

September 21, 2009 Steven Miller Pythagoras at the Bat: an Introduction to Statistics and Mathematical Modelling October 20, 2009 Chelsea Walton Noncommutative Geometry?! November 4, 2009 Jillian Mcleod Partition Regular Matrices from a Linear Algebraic Perspective November 13, 2009 Francis Su Voting in Agreeable Societies

September 23, 2008 Karen Parshall Internationalization of Mathematics October 21, 2008 Kathryn Leonard The Terminator's eyeballs November 4, 2008 Sol Friedberg Euler products and twisted Euler products November 13, 2008 Dev Sinha Fixed points, from fractals to your coffee December 2, 2008 John McCleary The squarepeg problem March 10, 2009 Pascal Lambrechts The Poincaré conjecture and the shape of the universe March 16, 2009 Mark Kayll Integrals and graph theory April 14, 2009 Joseph Mileti Rainbow problem

October 2, 2007 Jill Pipher, Brown Univrersity Public key cryptography, lattices and NTRU November 5, 2007 Ben Brubaker, MIT Rethinking Riemann's zeta function February 12, 2008 Bob Devaney, Boston University The Mandelbrot set and Fibonacci sequence April 1, 2008 Brian Munson, Harvard University Two things about the linking number April 22, 2008 Seth Sullivant, Harvard University How secure is your data?
Previous Student Seminars
Spring 2020
February 24  Prof. Will Grodzicki  With our powers combined: An introduction to padic numbers 
March 2  Jing Xu  How to never run your average pace: An introduction to the Universal Chord Theorem 
March 9  Sarah Chang  Bagels and bottles: An introduction to topology and identification spaces 
March 16  organized by the Math Club  Belated PiDay activity 
April 6 (on Zoom)  Jun Ru Anderson  Introduction to topological data analysis (look for Zoom ID on the math department Google group) 
April 13 (on Zoom)  Prof. Karen Lange  Different problems, common threads: Computing the difficulty of mathematical problems 
April 23 (on Zoom, note this is a Thursday)  Kira van Voorhees  An introduction to pragmatic inference and the rational speech act model 
Fall 2020
September 16  Julie Fucarino  An agentbased model of pollen competition 
September 23  Rebecca Whitman  Shortest paths through higher dimensional Sierpinski carpets 
November 18  Rebecca Riley  Integrating on the yaxis: An introduction to the Lebesgue integral 
December 5  Daphka Alius  Monitoring Google's search engine results pages for vulnerable populations 
Spring 2019
February 4  Prof. James Barnes  What are Gödel's incompleteness theorems? 
March 4  Dorothy Sun  Introduction to topological data analysis 
April 1  Tu Pham  Duality of probability and option pricing 
April 8  Demilade Adeboye  What we hear and why we like it: Intersections between math and music 
April 22  Franjo Šarčević (University of Sarajevo)  Fixedpoint theorems in topology 
May 6  Candice Gong  Knot theory: A tangible introduction to topology 
Fall 2018
September 6  Zach Riggins del Rosario  The curse of dimensionality 
September 17  Madie Farris  Playing ball with the largest prime factor 
September 24  Smaranda Sandu '14  Understanding and modeling human behavior 
October 15  Prof. Ann Trenk  Symmetry breaking in posets 
October 22  Various students  Panel on summer research opportunities 
October 29  Amy Li  Analysis of microfluidic flow rate measurements 
November 5  Ashley Peng  A small intro to coding theory 
November 19  Ginny Nie  Option pricing using Monte Carlo simulation 
November 26  Bridget Schreiner '17  The Brower Fixed Point Theorem 
Spring 2018
Monday Feb 5  Nixia Chen  Sobolev spaces 
Tuesday Feb 20  Caitlin Hardwick  Minimal surfaces and soap films 
Monday Feb 26  Yu Shen  Orbifolds and their application in music 
Monday Mar 5  Maggie Lees  Dihedral groups and their application to music theory 
Monday Mar 19  Sophia Sun  The Curry–Howard correspondence, i.e. proofs as programs 
Monday Apr 9  Hannah Contreras  Introduction to public health: Mathematical modeling of infections diseases 
Tuesday Apr 17  Sydney Bai  Representing rationality with lexicographic preferences in the reals 
Monday Apr 23  Gillian Courtney  Three's a crowd: How game theory borrows from functional analysis 
Monday Apr 30  Vivienne Xu  Simplicial and persistent homology 
Thursday May 10  Georgia Stylianides  A statistical investigation into value in art auctions 
Fall 2017
September 18  Prof. Mira Bernstein, Tufts University  Mathematics and gerrymandering: the search for a mathematical definition of fairness 
September 25  Maya Madhavan  An alternative derivation of the infinite power series for arctangent: The Kerala School of Mathematics' approach 
October 2  Keertana Anandraj  Supertree reconstruction via weighted quartets 
October 23  Victoria Wu  Support vector machines and their applications 
November 27  Sarah Barden  Complex numbers in circuit analysis 
December 4  Laurel Kinman  Paper crane proteins: Optimization methods in protein folding 
December 11  Erica Zhang  Using Markov chains to model stock market trends 
Spring 2017
February 6  Prof. Ann Trenk  Split graphs 
February 27  Megan Chen  The Monty Hall problem 
March 13  Prof. Steve Robertson, Southern Methodist University  Attending graduate school in statistics 
March 20  Emily Van Laarhoven  How probability can help you find a spouse and why golddigging may be easier than finding true love 
April 3  Caroline Hornung  Counting systems 
April 10  Xi Xi  Started from the bottom now we're here: From a dot to a tesseract (fourdimensional cube) 
April 24  Isabelle Schoppa  Statistical genetics and epidemiological research at the Framingham heart study 
May 1  Angela Wu  An nkings problem 
Fall 2016
Sept 12  Prof. Jonathan Tannenhauser  The Man with Three Wives 
Sept 19  Madeleine Barowsky  Everything But The 
Oct 3  Prof. Andy Schultz  First Putnam problem session 
Oct 10  No seminar due to Columbus Day  
Oct 17  Lauren Heller  What is a real number? An introduction to Dedekind cuts 
Oct 24  Colleen Larkin  The mathematics of voting 
Oct 31  Spring course preview lunch  
Nov 7  Various students  Panel on summer math opportunities 
Nov 14  No seminar due to afternoon colloquium  
Dec 5  Min Fu  Benford's Law and application to credit default swap market 
Spring 2016
Feb 22  Alexi Block Gorman  Rings and things 
Feb 29  Carina Belvin  Quantum mechanics and pi 
March 7  Bridget Schreiner  Infinity, BanachTarski, and the Axiom of Choice 
March 14  Abigail Jones  Rounding up to π 
April 4  Hui Li  Math in econ  modeling financial sophistication 
April 11  Rohana Gao  Mathematics in art  symmetry and Islamic art 
April 19  Jaymee Sheng  Philosophies of probability 
April 21  Eka Zhao  BlackScholes and molecules  birth, death, redemption of an assumption 
April 25  Voula Collins '09  KnutsonTao puzzles and their uses (this talk doubles as a department colloquium) 
May 2  Phyllis Ju  Linear algebra in machine learning  nonlinear dimensionality reduction by locally linear embeddings 
Fall 2015
Sept 21  Yiran Cheng  Constructing infinitely "small" real numbers 
Sept 28  Alexi Block Gorman  Burritos (and maybe some number theory...) 
Oct 5  Phyllis Ju  Frobenius algebras and 2dimensional cobordisms 
Oct 19  Katya Shipunova and Nikki Yankova  Cutting ham sandwiches (and the like...) fairly 
Oct 26  No seminar  
Nov 2  Madeleine Barowsky  Zeroknowledge proofs 
Nov 9  Lily Chen  Big numbers (sizes of infinity) 
Nov 16  Simona Boyadzhiyska and Snow Zhang  Computability and classifications of structures 
Nov 23  Melissa Zambrana  How to win at Battleship 
Nov 30 
Alexi Block Gorman, Simona Boyadzhiyska, Katya Shipunova, Melissa Zambrana 
Panel on math experiences outside the classroom 
Dec 7  Meryl Fang and Michelle Chang  Stochastic Processes! 
Spring 2015
Feb 23  Catherine Coravos  The Smith College Diploma Problem 
Mar 2  New Majors Lunch!  
Mar 9  Meredith McCormackMager  How To Not Get Sick: Modeling Public Health Outcomes for Polio 
Mar 16  Grace Garbrecht  Enigma: The math behind The Imitation Game 
Mar 30  Ann Trenk  Interval Orders: Some old results and some new results 
Apr 6  Diana Gerr  Fermat's Two Squares Theorem 
Apr 13  Emily Chen  How Netflix makes movie recommendations 
Apr 27  Anjali Nagulpally and Molly Hoch  The Collatz Conjecture 
May 4  Luka Zhang 
Sept 15  Alexi Block Gorman and Sharon Shiao  Good, Clean Fun with Matrices: The Nicest Sounding Properties You'll Ever Meet 
Sept 22  Prof. Andrew Schultz  Putnam problem session 
Oct 6  Bridget Schrenier  Hash functions 
Oct 20  Summer research programs panel  
Oct 27  Angelu Gu  RSA Cryptosystem 
Nov 3  Spring course preview lunch  
Nov 10  Snow Zhang  The Diagonalization Theorem and Undecidability 
Nov 17  Lulu Ye  Quantifying quality: Ranking ultimate frisbee teams 
Dec 1  Nancy Zhang  Stochastic Branching Processes 
Dec 8  Emily Kurtz  Graphs and Gray codes 
Date  Speaker  Title of Talk 
February 10  Mavis Boamah  Optimization and Simulated Annealing 
February 24  Bridget Schreiner  Zero Knowledge Proofs 
Match 10  Phyllis Ju  Some Applications of Mathematics to Physics 
April 14  Alex Diesl  The Mathematics of Voting 
April 28  Michelle Lam  MortensenPissarides: A Matching Model for Unemployment 
May 5  Maria Tilden  Approximating Irrational Numbers with Rations 
Date  Speaker  Title of Talk 
September 16  Anjali Kayal  Visualizing Math: Graphical Representations of Algebraic Objects 
September 23  Prof. Yulan Qing  Pi and Bouncing Pigs 
September 30  Laura Bruno  School's in Session: The Locker Problem 
October 21  Alexi Block Gorman  The padic Numbers: An Introduction (NOT Your Usual Absolute Value) 
November 4  Diana Schron  Fashionable Geometry: Thurston's Geometrization Conjecture 
November 11  Kaity Schwartz  Mathematical Art: Symmetry Groups 
November 25  Wendy Wu  The Math Behind Google PageRank 
December 9  Juliette Chevallier, Anjali Kayal, Abigail Raz, Smaranda Sandu, Farrah Yhee  Mathematics Experiences Outside the Major (and minor and coursework) 
Date  Speaker  Title of Talk 
February 25  Gabriella DeFosse  Cracking Quantum Codes 
March 4  Kia Salehi  Paradoxes at Infinity 
April 1  Gerta Malaj  Roses are Red, OLS is Blue 
April 8  Nuha Kahn and Tori Lockwood  Welcome to Catalonia  The Land of Recursive, Bijective and Combinatorial Proofs 
April 22  Aliya Nurani  Defining the Determinant 
April 29  Raissa D'Antwi and Marjorie Kasten  Plan Your Next Party: Ramsey Style 
Date  Speaker  Title of Talk 
September 17  Prof. Karen Lange  Finding Order in the Unknown: The ErdosSzekeres Theorem. 
September 24  Erica Dohring  How Mathematics Can Sink Submarines (and win wars) 
October 1  Rachel Insoft  Mind the Gap! An investigation of gaps in Linear Recurrences 
October 15  Farrah Yhee  Knot Projections with a Single Multicrossing 
October 22  Zoe Jansen  Topology of the Cantor Set 
November 5  Various students  Research and More; Math Experiences Panel 
November 12  Elise Dong  Network Simplex Algorithm for Minimum Cost Flows 
November 25  Caroline Psutka  Pick's Theorem and its Applications 
December 3  Sachi Shah  Graph Traversal Techniques 
January 30  Prof. Andrew Schultz  Polynomial Generalizations of binomial coefficients 
February 6  Erica Dohring  Applications of Operations Research in Physical Oceanography 
February 13  Melinda Lanius and Joy Das  Putnam 2011 solutions 
February 27  Stephanie Welch  Exploring Incompressibility: What makes a number random? 
March 5  Caroline Parnass, Laura Liu  Putnam 2011 Solutions, Part II 
March 12  Ginny DeviChou  Cardinality and the Continuum Hypothesis 
March 26  Michelle Park  Derivation of Van der Waals 
April 2  Laura Liu  Optimization through Linear Programming 
April 9  Ran Ji  Super Awesome Stuff: Linear Forms Over Finite Abelian Groups 

September 12 Prof. Oscar Fernandez Hamiltonizing Nonholonomic Mechanical Systems September 19 Melinda Lanius Universal cycles for unordered combinatorial objects September 26 Cornelia Mihaila Multidimensional continued fractions October 17 Divya Gopinath Combinatorics and the generalized Fibonacci numbers October 24 Naomi Takaki The Special Theory of Relativity October 31 Prof. Karen Lange Finding Paths through Trees November 7 Kristen Chun A derivation of the MichaelisMenten equation November 14 Various Students Panel on summer math programs November 28 Mimi Moncada The Peano Curve December 5 Kristin Liska Game theory and the Nash equilibrium

January 31 Jonathan Tannenhauser Computing $\pi$ with Colliding Balls February 7 Various students Solutions to the 2010 Putnam Exam February 14 Alex Gendreau Exploring the NeedlemanWunsch Algorithm
and the Polytope Propagation AlgorithmFebruary 22 Various students Solutions to the 2010 Putnam Exam, Part II February 28 Andrew Schultz Math Origami Workshop March 7 Liz Ferme Disrupting Terrorist Networks March 14 No seminar! March 28 Katelin Snow Group Theory and Chemistry: Molecular Symmetry and its applications April 4 Kelly Walters Restricted Partition Functions of Integers April 11 Josh Jordan Math for fun and profit at athenahealth April 19 Gabriela Perez Villalobos Eulerian numbers April 25 Amanda Curtis and Jane Rieck Visualizing Arithmetic

September 13 Andrew Schultz, faculty An irrational quest September 20 Amanda Curtis '11 Minimal surfaces and planar harmonic mappings September 27 Melinda Lanius '12 Explorations in Tessellations October 4 Brian Munson, faculty Minimizing distances using flux October 12 Various students Panel on summer math programs October 18 Cornelia Mihaila '12 Existence of Solutions to the Modified Sylvester Equation October 25 Maddy Prenner '11 Cryptanalysis of STRKAP November 1 Nora Evans '11 Google Page Rank Algorithm November 8 Anthea Cheung '12 Euler Characteristic and the Platonic Solids November 15 Tanen Clark '11 and
Rebecca Graber '11To Infinity and Beyond: Constructing the Real Projective Plane November 29 Jane Rieck '11 Computability Theory

February 5 Megan Kerr, faculty Straightedge and compass constructions February 19 Lisa Abraham '10 and Geraldine Ng '10 Mathematics and Finance March 12 Margarita Miranda '10 The Poincare Conjecture March 19 Caitlin Danis '10 and Cecilia Flatley '10 Mathematics and Juggling April 13 Zoe Xiao '10 Continued Fractions April 16 Lisa Yang '10 TBD April 23 Kate Donahue '12 TBD April 30 Amanda Curtis '11 TBD

September 21 Jizhou Wang '10 Markov chains October 5 Alex Gendreau '12 Directed strongly regular graphs October 19 Professor Alex Diesl Perfect numbers October 26 Amanda Curtis '11 Quotients of polynomial rings November 2 Margaret Ma '10 Sphere packing November 9 Kelly Pendergast and Vanessa Zhang Fractals November 16 Anna Loparev Automata theory November 23 cancelled cancelled November 30 Soumya Srinagesh '10 TBD December 7 Katie Poon '10 and Sue He '10 TBD

February 9 Stanley Chang, Professor Markov chains February 23 Caitlin Leverson '10 Delta Sets of Numerical Monoids March 2 Bridget Tenner Combinatorics and tilings March 9 Erika Kahn '09 Topics in Cantorian Set Theory March 16 Steph Xiang '09 and Katie Sang '09 The Golden Ratio March 30 Swini Garimella '09 The Busy Beaver Function April 6 Subin Park '11 The Square Pyramid Puzzle April 13 Hae Jin Chang '10 Magic Squares April 21 Sha Lu '10 Network Optimization April 27 Amanda Curtis '11 Bernoulli Numbers May 4 Jaree Pinthong '09 & Lin Xu '09 Shortest Path Algorithms

September 8 Ismar Volic, Professor Some convergence of series proofs September 15 Stanley Chang, Professor Famous unsolved problems in mathematics September 22 Ashley Hartman '09 Applications of game theory September 29 Voula Collins '09 The Euler characteristic October 6 Natalya Kopyra '09 The Josephus problem October 20 Ghassan Sarkis (Pomona) padics: a primer October 27 Bianca Thompson '09 The axiom of choice November 3 Amanda Curtis '11 Hyperbolic space November 10 Jen Pawson '09 Fibonacci numbers: an unexpected result November 17 Andrea Johnston '09 Integer programming and chemistry December 1 Kate Sorenson '09 & Kristin Jochems '09 RSA cryptosystems

February 4 Ismar Volic, Professor An introduction to knots, Part I Februrary 11 Ismar Volic, Professor An introduction to knots, Part II February 25 Katie Kinnaird '08 Random walks and tissue engineering March 3 Stanley Chang, Professor Classification of closed surfaces March 10 Sarah LaFrance '08 Conway's game of life March 17 Amanda Curtis '11 Linear algebra, disease spread and DNA March 31 Caitlin Leverson '10 & Fran Zeller '10 Pseudorandomness in primes April 7 Caitlin Leverson '10 & Fran Zeller '10 Primes in arithmetic progression April 22 Caitlin Vaccaro '08 On lambdapermutations of infinite series April 28 Voula Collins '09 An order to the BaumslagSolitar groups May 5 Rebecca Rothkopf '09 Mathematics of computer vision