David Bachman, chair of the CCMS Executive Committee, hosts. Please join us as we welcome our new community members, socialize, and discuss how we’re all going to cope with the semester ahead. Grab a snack, a refreshing beverage, and get on-line!
Title: Indiana Pols Forced to Eat Humble Pi, The Curious History of an Irrational Number Speaker: Prof. Edray Goins, Pomona College In 1897, Indiana physician Edwin J. Goodwin believed he had discovered a way to square the circle, and proposed a bill to Indiana Representative Taylor I. Record which would secure Indiana’s the claim to […]
Title: Experimental Knot Music Abstract: In knot theory, there are algebraic structures we can use to distinguish different types of knots and links. In this talk we will ask an unexpected question: what do they sound like? We will see a number of techniques I have been developing for interpreting knot-theoretic structures as elements of […]
Abstract of Leandro Recova's talk
Title: Space vectors forming rational angles Abstract: We classify all possible configurations of vectors in three-dimensional space with the property that any two of the vectors form an angle whose measure is a rational multiple of π. As a corollary, we find all tetrahedra whose six dihedral angles are all rational multiples of π.While these […]
We propose a regularization and variable selection method, named arbitrary rectangle-range generalized elastic net (ARGEN). It can be applied in high dimensional sparse linear regression models. We propose an algorithm to solve ARGEN; it is an extension of multiplicative updates. Multiple simulation studies and a real-world application in the stock market show that ARGEN applies […]
4:20 pm Title: Methodology of Global Sensitivity Analysis for Determination of Important Parameters in a Mathematical Model Presenter: An Do (CGU) 4:30 pm Title: Using Data Science to gain insights into the relationship between Metagenomics and Psychiatric Disorders Presenter: Tom Fu (HMC) 4:40 pm Title: Classifying time series data via manifold techniques Presenter: Adam Guo […]
4:20 Title: Nested Links, Linking Matrices, and Crushtaceans Presenter: Madeline Brown (Scripps) 4:30 Title: Computing Cube Decisions for Backgammon Endgame Positions Presenter: Mathus Leungpathomaram (HMC) 4:40 Title: The Limiting Spectral Measure for an Ensemble of Generalized Checkerboard Matrices Presenter: Jiahui Yu (Pomona) 4:50 Title: The Stationary Distribution of Recombination, Part I Presenters: Emma Kolesnik (Scripps), […]
4:20pm Title: Measuring Publication Bias in Foreign Language Editions of Russian State-Owned Media Company RT Presenter: Benjamin Figueroa (CMC) 4:30pm Title:Multilingual Emoticon Prediction of Tweets about COVID-19 Presenter: Stefanos Stoikos (Pomona), 4:40pm Title: Evaluating Word Embeddings on Low-Resource Languages Presenter: Nathan Stringham (Pomona), 4:50pm Title: An Epistemic Logic of Desires, Part I Presenters: Rui-Jie Yew […]
Nonlocal theories have emerged with powerful models and methods to analyze and predict complex phenomena. Different versions of nonlocal operators have been proposed, each with its advantages and challenges. In this talk I will give an introduction to main ideas in the nonlocality framework and present two sets of results for Helmholtz-Hodge type decompositions.
Title: A competent translation/a pitiful bungle: The Foundations of Geometry Abstract: David Hilbert’s Grundlagen der Geometrie is a rare example of a historical mathematics text that is still profitably read today and continues to inspire research in mathematics, computer science, and philosophy. The effort of publishing an English translation of Hilbert in 1902 involved a […]
This talk focuses on using a multiwavelet representation of the discontinuous Galerkin (DG) approximation for trouble cell indication. The multiwavelet representation is related to the jumps in the (derivatives of) the DG approximation. We then compare this indicator with other, more established indicators as well as machine learning approaches and demonstrate that it is possible […]
