#### Submissions from 2019

The Danger of Testing by Selecting Controlled Subsets, with Applications to Spoken-Word Recognition, David Liben-Nowell, Julia Strand, Alexa Sharp, Tom Wexler, and Kevin Woods

Commensurability classes of fake quadrics, Benjamin Linowitz, Matthew Stover, and John Voight

#### Submissions from 2018

Cartan Prolongation of a Family of Curves Acquiring a Node, Susan Jane Colley and Gary Kennedy

Large Coupling Asymptotics for the Lyapunov Exponent of Quasi-Periodic Schrodinger Operators with Analytic Potentials, Rui Han and Chris Marx

Bounds for Arithmetic Hyperbolic Reflection Groups in Dimension 2, Benjamin Linowitz

Counting Problems for Geodesics on Arithmetic Hyperbolic Surfaces, Benjamin Linowitz

Counting and Effective Rigidity in Algebra and Geometry, Benjamin Linowitz, D.B. Reynolds, Paul Pollack, and Lola Thompson

Subcritical behavior for quasi-periodic Schrodinger cocycles with trigonometric potentials, Chris Marx, Laura H. Shou, and Jake L. Wellens

Divisor-sum Fibers, Paul Pollack, Carl Pomerance, and Lola Thompson

A Generalization of the Practical Numbers, Nicholas Schwab and Lola Thompson

Neoproterozoic glacial ages in a nonsmooth conceptual model, James Walsh

AdaM and GrahaM Play the Stock Market, Kevin Woods

#### Submissions from 2017

Spectral theory of extended Harper’s model and a question by Erdős and Szekeres, A. Avila, S. Jitomirskaya, and Chris Marx

Counting isospectral manifolds, Mikhail Belolipetsky and Benjamin Linowitz

Parametric Presburger arithmetic: logic, combinatorics, and quasi-polynomial behavior, Tristram Bogart, John Goodrick, and Kevin Woods

A Coarse Stratification of the Monster Tower, Alex Castro, Susan Jane Colley, Gary Kennedy, and Corey Shanbrom

What is Mathematics and Why Won’t It Go Away? Philosophy of Mathematics in a First-Year Seminar, Susan Jane Colley

Systoles of arithmetic hyberbolic surfaces and 3-manifolds, Benjamin Linowitz, D.B. McReynolds, Paul Pollack, and Lola Thompson

On the isospectral orbifold–manifold problem for nonpositively curved locally symmetric spaces, Benjamin Linowitz and Jeffrey S. Meyer

Bounded gaps between primes and the length spectra of arithmetic hyperbolic 3-orbifolds, Benjamin Linowitz, D.B. Reynolds, Paul Pollack, and Lola Thompson

Local Selectivity of Orders in Central Simple Algebras, Benjamin Linowitz and Thomas R. Shemanske

Dynamics and spectral theory of quasi-periodic Schrodinger-type operators, Chris Marx and S. Jitomirskaya

Diffusive heat transport in Budyko's energy balance climate model with a dynamic ice line, James Walsh

Bayes and MCMC for Undergraduates, Jeffrey Witmer

#### Submissions from 2016

Lights Out Animations, Robert Bosch

Bayesian Inference of Recursive Sequences of Group Activities from Tracks, Ernesto Brau, Colin Dawson, Alfredo Carrillo, David Sidi, and Clayton T. Morrison

Rational angled hyperbolic polygons, Jack S. Calcut

Double branched covers of theta-curves, Jack S. Calcut and Jules R. Metcalf-Burton

Parametrizing Shimura subvarieties of A1A1 Shimura varieties and related geometric problems, Benjamin Linowitz and Matthew Stover

Review: A First Course in the Calculus of Variations, Chris Marx

On integers n for which X-n-1 has a divisor of every degree, Carl Pomerance, Lola Thompson, and Andreas Weingartner

Statistics for the Life Sciences, 5th ed., Myra L. Samuels, Jeffrey Witmer, and Andrew Schaffner

Periodic orbits for a discontinuous vector field arising from a conceptual model of glacial cycles, James Walsh, Esther Widiasih, Jonathan Hahn, and Richard McGehee

Concept maps in introductory statistics, Jeffrey Witmer

#### Submissions from 2015

The explicit algebraic autonomy of Artin presentation theory and the Fox Calculus. I, Jack S. Calcut and Horst E. Winkelnkemper

Bounded Gaps Between Primes in Numer Fields and Function Fields, Abel Castillo, Chris Hall, Robert J. Lemke Oliver, Paul Pollack, and Lola Thompson

The sign changes of Fourier coefficients of Eisenstein series, Benjamin Linowitz and Lola Thompson

Arithmetic functions at consecutive shifted primes, Paul Pollack and Lola Thompson

The Parametric Frobenius Problem, Bjarke Hammersholt Roune and Kevin Woods

On the Budyko-Sellers energy balance climate model with ice line coupling, James Walsh and Christopher Rackauckas

#### Submissions from 2014

Computing Severi degrees with long-edge graphs, Florian Block, Susan Jane Colley, and Gary Kennedy

Designing Game of Life mosaics with integer programming, Robert Bosch and J. Olivieri

Game-of-Life Mosaics, Robert Bosch and J. Olivieri

Integer Programming, Robert Bosch and Michael Trick

Connected sum at infinity and 4-manifolds, Jack S. Calcut and Patrick V. Haggerty

Borromean rays and hyperplanes, Jack S. Calcut, Jules R. Metcalf-Burton, Taylor J. Richard, and Liam T. Solus

Abelian surfaces with prescribed groups, Chantal David, Derek Garton, Zachary Scherr, Arul Shankar, Ethan Smith, and Lola Thompson

Variations on a theorem of Davenport concerning abundant numbers, Emily Jennings, Paul Pollack, and Lola Thompson

Dominated Splittings and the Spectrum for Almost Periodic Jacobi Operators, Chris Marx

Hypergraphs of bounded disjointness, Alex Scott and Elizabeth Wilmer

Variations on a question concerning the degrees of divisors of x^n-1 J, Lola Thompson

A dynamics approach to a low order climate model, James Walsh and Esther Widiasih

The unreasonable ubiquitousness of quasi-polynomials, Kevin Woods

#### Submissions from 2013

Figurative mosaics from flexible Truchet tiles, Robert Bosch and Urchin Colley

From path-segment tiles to loops and labyrinths, Robert Bosch, Sarah Fries, Maneka Puligandla, and Karen Ressler

Orbit spaces of gradient vector fields, Jack S. Calcut and Robert E. Gompf

Connected sum at infinity and Cantrell-Stallings hyperplane unknotting, Jack S. Calcut, Henry C. King, and Laurent C. Siebenmann

STAT2: Building Models for a World of Data, Ann R. Cannon, George W. Cobb, Bradely A. Hartlaub, Julie M. Legler, Robin H. Lock, Thomas L. Moore, Allan J. Rossman, and Jeffrey Witmer

Algebra, Analysis, and Eating Corn, Susan Jane Colley

Review: The Manga Guide to Linear Algebra and Math Girls, Susan Jane Colley

Computing Severi degrees with long-edge graphs, Susan Jane Colley, Florian Block, and Gary Kennedy

On geometric trilateral-free (n_3) configurations, Michael Raney

Distribution of squarefree values of sequences associated with elliptic curves, Akhtari Shabnam, David Chantal, Hahn Heekyoung, and Lola Thompson

On the divisors of xn − 1, Lola Thompson

Modeling climate dynamically, James Walsh and Richard McGehee

Presburger arithmetic, rational generating functions, and quasi-polynomials, Kevin Woods

Review: Symmetry: A Mathematical Exploration, Kevin Woods

The unreasonable ubiquitousness of quasi-polynomials (abstract), Kevin Woods

Another quick proof that e < 3, Robert M. Young

#### Submissions from 2012

On Fundamental Groups of Quotient Spaces, Jack S. Calcut, Robert E. Gompf, and John D. McCarthy

Which Numbers Are Real?, Michael Henle

Martin Gardner in the Twenty-First Century, Michael Henle and Brian Hopkins

Computing Shapley Value in Supermodular Coalitional Games, David Liben-Nowell, Alexa Sharp, Tom Wexler, and Kevin Woods

#### Submissions from 2011

Dynamics And Sensitivity Analysis Of High-frequency Conduction Block, D. Michael Ackermann, Niloy Bhadra, Meana Gerges, and Peter J. Thomas

Opt Art: Special Cases, Robert Bosch

Artist Vignette: Robert Bosch, Robert Bosch, Marc Frantz, and Annalisa Crannell

The Price of Civil Society, Russell Buehler, Zachary Goldman, David Liben-Nowell, Yuechao Pei, Jamie Quadri, Alexa Sharp, Sam Taggart, Tom Wexler, and Kevin Woods

Review: The Mathematics of Sex: How Biology and Society Conspire to Limit Talented Women and Girls, Susan Jane Colley

Vector Calculus, 4th ed., Susan Jane Colley

What is Mathematics and Why Won’t It Go Away, Susan Jane Colley

Classical And Virtual Pseudodiagram Theory And New Bounds On Unknotting Numbers And Genus, A. Henrich, N. MacNaughton, Sivaram K. Narayan, O. Pechenik, and J. Townsend

Operations Research in the Visual Arts, C. S. Kaplan and Robert Bosch

Finding The Event Structure Of Neuronal Spike Trains, J. Vincent Toups, Jean-Marc Fellous, Peter J. Thomas, Terrence J. Sejnowski, and Paul H. Tiesinga

#### Submissions from 2010

Simple-closed-curve sculptures of knots and links, Robert Bosch

Grade School Triangles, Jack S. Calcut

Review: Pythagoras’ Revenge: A Mathematical Mystery; The Housekeeper and the Professor, Susan Jane Colley

A Finite Calculus Approach To Ehrhart Polynomials, Steven V. Sam and Kevin Woods

The Number Field Sieve For Integers Of Low Weight, Oliver Schirokauer

Fractals in the 3-body problem via symplectic integration, James Walsh and Daniel A. Hemberger

#### Submissions from 2009

Jordan as a Jordan Curve, Robert Bosch

Knothole sculptures, Robert Bosch

Map-Colored Mosaics, Robert Bosch and A. Pike

Map-Colored Mosaics, Robert Bosch and A. Pike

Discreteness and Homogeneity of the Topological Fundamental Group, Jack S. Calcut

Gaussian Integers and Arctangent Identities for Pi, Jack S. Calcut

Review: Pythagorean Crimes, Susan Jane Colley

Review: Autonomous dynamical systems with periodic coefficients, James Walsh

Review: Random attractors for wave equations on unbounded domains, James Walsh

Markov Chains and Mixing Times, Elizabeth Wilmer, David A. Levin, and Yuval Peres