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Programs & Events

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Current & Upcoming Past Programs All Programs
Current & Upcoming Past Programs All Programs
Connecting Higher-Order Statistics and Symmetric Tensors
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Jan 8 - 12, 2024
Topical Workshop
Connecting Higher-Order Statistics and Symmetric Tensors
Jan 8 - 12, 2024

This workshop focuses on connections between higher-order statistics and symmetric tensors, and their applications to machine learning, network science and other domains. Higher-order statistics refers to the study of correlations between three or more covariates. This is in contrast to the usual mean and covariance, which are based on one and two covariates.

Higher-order statistics are needed to characterize complex data distributions, such as mixture models. Symmetric tensors, meanwhile, are multi-dimensional arrays. They generalize covariance matrices and affinity matrices, and can be used to represent higher-order correlations. Tensor decompositions extend matrix factorizations from numerical linear algebra to multilinear algebra. Recently tensor-based approaches have been become more practical, due to the availability of bigger datasets and new algorithms.

The workshop brings together applied mathematicians, statisticians, probabilists, machine learning experts and computational... (more)

Organizing Committee
  • Joe Kileel
  • Tamara Kolda
  • Joao Morais Carreira Pereira
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Numerical PDEs: Analysis, Algorithms, and Data Challenges
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Jan 29 - May 4, 2024
Semester Program
Numerical PDEs: Analysis, Algorithms, and Data Challenges
Jan 29 - May 4, 2024

This semester program will bring together both leading experts and junior researchers to discuss the current state-of-the-art and emerging trends in computational PDEs. While there are scores of numerical methodologies designed for a wide variety of PDEs, the program will be designed around three workshops each centered around a specific theme: PDEs and Geometry, Nonlocal PDEs, and Numerical Analysis of Multiphysics problems. This grouping of topics embodies a broad representation of computational mathematics with each set possessing their own skill set of mathematical tools and viewpoints. Nonetheless, all workshops will have the common theme of using rigorous mathematical theory to develop and analyze the convergence and efficiency of numerical methods. The diversity of the workshop topics will bring together historically distinct groups of mathematicians to interact and facilitate new ideas and breakthroughs.

Organizing Committee
  • Marta D'Elia
  • Johnny Guzman
  • Brittany Hamfeldt
  • Michael Neilan
  • Maxim Olshanskii
  • Sara Pollock
  • Abner Salgado
  • Valeria Simoncini
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Theory, Methods, and Applications of Quantitative Phylogenomics
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Sep 4 - Dec 6, 2024
Semester Program
Theory, Methods, and Applications of Quantitative Phylogenomics
Sep 4 - Dec 6, 2024

A fundamental challenge that spans nearly all areas of evolutionary biology is the development of effective techniques for analyzing the unprecedented amount of genomic data that has become readily available within the last decade. Such data present specific challenges for the area of phylogenetic inference, which is concerned with estimating the evolutionary relationships among collections of species, populations, or sequences. These challenges include development of evolutionary models that are sufficiently complex to be biologically realistic while remaining computationally tractable; deriving and implementing algorithms to efficiently estimate phylogenetic relationships that use models whose theoretical properties are well-understood and therefore interpretable; and devising ways to scale novel methodology developed to handle datasets that are increasingly large and complex.

This semester program brings together mathematicians, statisticians, computer scientists, and experimental... (more)

Organizing Committee
  • Elizabeth Allman
  • Cécile Ané
  • Elizabeth Gross
  • Laura Kubatko
  • Simone Linz
  • Siavash Mirarab
  • John Rhodes
  • Sebastien Roch
  • Leo van Iersel
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Geometry of Materials, Packings and Rigid Frameworks
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Jan 29 - May 2, 2025
Semester Program
Geometry of Materials, Packings and Rigid Frameworks
Jan 29 - May 2, 2025

Given an incidence structure, one may model a variety of geometric problems. This semester program will revolve around two fundamental examples and their applications to modern challenges in the study, analysis, and design of materials. (1) Packings and patterns of circles where the underlying combinatorics is mixed with advanced geometric concepts, and strong links are made to discrete differential geometry. (2) The rigidity and flexibility of bar-joint structures where real algebraic geometry is intertwined with sparse graph theory and matroidal techniques. A prime objective of the program is to advance the applicability of these topics to fundamental applications, most notably in statistical physics and materials science.

The program will integrate diverse fields of discrete mathematics, geometry, theoretical computer science, mathematical biology, and statistical and soft matter physics. Various workshops will be designed to attract both theoretical and applied practitioners and... (more)

Organizing Committee
  • Alexander Bobenko
  • Philip Bowers
  • John Bowers
  • Robert Connelly
  • Steven Gortler
  • Miranda Holmes-Cerfon
  • Sabetta Matsumoto
  • Anthony Nixon
  • Meera Sitharam
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