Seminar Archive

Inaugural meeting

Mikael Vejdemo-Johansson

Topology and Data

Artyom Diky and Moshe Dinowitz

The Forman gradient: a discrete tool for topology-based data analysis

Federico Iuricich, University of Maryland

Extracting Insights from Complex Shapes using Topology

Thomas Fallon and Jose Ramirez-Garofalo

Persistent Cohomology and human motion

Mikael Vejdemo-Johansson

Cancelled

None

Single cell mapper analysis

Mykola Bordyuh and Luis Aparicio

Barcodes: The Persistent Topology of Data

Xiuyan Ni and Shiva Panicker

The fiber of the persistence map

Justin Curry

The Fuglede conjecture holds in the finite vector space \(\mathbb{Z}_p^2\)

Thomas Fallon

Inaugural meeting

Mikael Vejdemo-Johansson

Fibres of Faiure

Mikael Vejdemo-Johansson

No meeting

No meeting

No Meeting

None

Fibers of Failure - using Mapper to classify prediction failures

Mikael Vejdemo-Johansson

On Characterizing the Capacity of Neural Networks using Algebraic Topology

Jeff Seely

Frechet means for distirbutions of persistence diagrams

Art Dikyom

Functional Data Analysis Using a Topological Summary Statistic: The Smooth Euler Characteristic Transform

Anthea Monod

Tom Fallon

Stability of Persistence Diagrams

Computing Persistent Homology

John Connor

Donald Thevalingam

Topological Descriptors of Histology Images

Statistical Topological Data Analysis using Persistence Landscapes

Moshe Dinowitz

Topological Data Analysis of Financial Time Series

Marian Gidea (Yeshiva University)

The relative topological complexity of a pair

Bob Short (Lehigh University)

Semester start meeting

Mikael Vejdemo-Johansson and Azita Mayeli

Equivalence relations, homotopy and tangent complexes

Francisco Iovino

Topology, continuity and homotopy

Joseph Maher

Topology, continuity and homotopy (cont...)

Joseph Maher

Simplicial complexes, homology and functoriality

John Connor

Simplicial complexes, homology and functoriality (cont...)

John Connor

Persistent homology

Owen White

Persistent homology (cont...)

Owen White

Multiparameter Persistence and Nonlinear Hierarchical Clustering

Oliver Gäfvert

Algebra of Persistence and Cohomology

Mikael Vejdemo-Johansson

Algebra of Persistence and Cohomology (cont...)

Mikael Vejdemo-Johansson

Persistent Homology of Time Varying and Spatially Varying Brain Networks

Ben Cassidy

Shape recognition with tangent complexes

Art Dikyom

Semester introduction

Mikael Vejdemo-Johansson

Topological Structure of Linear Manifold Clustering

Art Diky

On the Metric Distortion of Embedding Persistence Diagrams into Reproducing Kernel Hilbert Spaces

Mathieu Carrière

Multiple hypothesis testing in persistent homology

Mikael Vejdemo-Johansson

Misinformation Data Science

Sara-Jayne Terp

Morse-Witten Theory for Real Operators

Greg Henselman-Petrusek

Obayashi, Hiraoka, Kimura -- Persistence diagrams with linear machine learning models

Art Diky

(CANCELLED) How non-invasive functional imaging techniques benefit the research in human’s language system?

Qiongge Li

The tasty low resolution problem space of knitting and mathematics

Fabienne Serriere

Deep Learning with Topological Signatures

Steve Riesenberg

Fast estimation of recombination rates using topological data analysis

Andrew Blumberg

How non-invasive functional imaging techniques benefit the research in human’s language system?

Qiongge Li

Sparse Regularization via Convex Analysis

Ivan Selesnick

Semester Introduction

Mikael Vejdemo-Johansson

Piecewise Linear Manifold Clustering

Art Dikyom

Multiple hypothesis testing with persistent homology

Mikael Vejdemo-Johansson

Topology and the Machine Mind

Russ Waller

Computing Minimal Presentations and Bigraded Betti Numbers of 2-Parameter Persistent Homology

Michael Lesnick

Cellular Sheaves, Discrete Hodge Theory, and Applications

Jakob Hansen

Singularity in Data Analysis

Steven Ellis

No Meeting

NA

Coding and Generative Design for 3D Printing

Laura Taalman

Iterated Integrals and Paths of Persistence Diagrams

Darrick Lee

A new data structure for the epsilon-approximate range emptiness problem

Paul Cesaretti

Planning: High Dimensional Probability: an introduction with application to data analysis

Azita Mayeli

Tensor Networks and Language Models

Tai-Danae Bradley

Multiplierless iteration for the resolution of semidefinite linear systems

Thao Nguyen

Cancelled

NA

Evasion and Coverage problems

Mikael Vejdemo-Johansson

Efficient call pricing model discovery by backpropagation through time

Kei Nemoto

Treewidth and metric complexity for hyperbolic 3-manifolds

Joseph Maher

CANCELLED

TBA

Topology and Dynamics of Biological Networks

Yongwu J Rong

Mostly monotone correlation

Denis Khryashchev

TBA

TBA

Super-resolution, subspace methods, and non-harmonic Fourier matrices

Weilin Li

TBA

TBA

TBA

TBA

Machine Learning Reading Group

TBA

Machine Learning Reading Group: A gentle start

Alex Iosevich

Machine Learning Reading Group: A Formal learning model

Peter Luthy

Machine Learning Reading Group: Learning via uniform convergence

Vincent Martinez

Machine Learning Reading Group: The bias-complexity tradeoff

Iordan Slavov

Machine Learning Reading Group: The VC dimension

Azita Mayeli

Machine Learning Reading Group: Nonuniform learnability

Vincent Martinez and Iordan Slavov

Machine Learning Reading Group: Linear predictors

TBA

Machine Learning Reading Group: Boosting

Mikael Vejdemo-Johansson

Machine Learning Reading Group: Model selection and validation

Tural Sadigov and Aseel Farhat

Colloquium: Discrete Optimization Meets Machine Learning

Elias Khalil

Machine Learning Reading Group - 12 and 13

Nick Feng

Machine Learning Reading Group - 14 Stochastic Gradient Descent

Vincent Filardi and Aseel Farhat

Machine Learning Reading Group - 15 Support Vector Machines

Tural Sadigov

Machine Learning Reading Group - 16 Kernel Methods

Vincent Filardi

Machine Learning Reading Group - 8 The Runtime of Learning

Paul Popa

Machine Learning Reading Group - 17 Multiclass, Ranking, and Complex Prediction

Sandeep Bhupatiraju

Machine Learning Reading Group - 18 Decision Trees

Aryan Bhatt and Eunice Ng

Machine Learning Reading Group - 19 Nearest Neighbor

Florian Mudekereza

Machine Learning Reading Group - 20 Neural Networks

Alex Iosevich and Azita Mayeli

Machine Learning Reading Group - 21 Online Learning

Vincent Filardi

Machine Learning Reading Group - 22 Clustering

Nathan Taylor

Machine Learning Reading Group - 23 Dimensionality Reduction

Paul Popa

Machine Learning Reading Group - 24 Generative Models

Nathan Taylor

Machine Learning Reading Group - 25 Feature Selection and Generation

Jeungeun Park

Multiple Hypothesis Testing in Persistent Homology

Mikael Vejdemo-Johansson

On the Role of Functorial Constructions in Computational Electromagnetics and Associated Pedagogical Insights

P. Robert Kotiuga

Multiple Hypothesis Testing in Persistent Homology

Mikael Vejdemo-Johansson

No Meeting

NA

AATRN Watch Party: Analyzing Point Processes using TDA

Anne Marie Svane

AATRN Watch Party: Topological Data Analysis in non-Euclidean Spaces

Hubert Wagner

Trajectory invariant representations of synthetic aperture sonar data

Michael Robinson

Topological data analysis of plant-pollinator resource complexes

Melinda Kleczynski

Geometric Approaches to Persistent Homology

Baris Coskunuzer

Stability and Computation of 2-Parameter Persistent Homology

Michael Lesnick

Algebraic and Geometric Models for Space Networking

Justin Curry

On the Estimation of the Number of Communities for Sparse Networks

Neil Hwang

AATRN - Topology of Artificial Neuron Activations in Deep Learning

Bei Wang

Teatime Chat

Mikael Vejdemo-Johansson

AATRN - Topology in Digital Sound Synthesis

Georg Essl

Ripser: Efficient computation of Vietoris–Rips persistence barcodes

Ulrich Bauer

The topology of redistricting

Thomas Weighill

The Cohomology of the Vietoris-Rips Complex of a Hypercube Graph

Martin Bendersky and Yosef Berman

Working Discussion - Symmetric Complexes

Mikael Vejdemo-Johansson

Variations on theme barcode algorithm

Barbara Giunti

Untangling ad hoc File Formats using the Dowker complex

Michael Robinson

Stabilizing decomposition of multiparameter modules

Håvard Bakke Bjerkevik

Why Topological Data Analysis Detects Financial Bubbles?

Marian Gidea

RipsNet: fast and robust estimation of persistent homology for point clouds

Yuichi Ike

AATRN Watch Party: Applied Topology for Discrete Structures

Emilie Purvine

Can persistent homology whiten Transformer-based black-box models? A case study on BERT compression.

Luis Balderas Ruiz

Computing persistent homology of large image data with Cubicle

Hubert Wagner

Applications of topological data analysis to temporal and spatial data

Sarah Tymochko

Homology and Homotopy Properties of Scale-Free Networks

Chunyin Siu

What is persistent homology good for?

Renata Turkes

Topology-Driven Goodness-of-Fit Tests in Arbitrary Dimensions

Niklas Hellmer

Reeb Graphs and Their Measure Theoretic Variants: Theory and Applications

Bei Wang Phillips

Topological Classification of Firn Image Data

Jesse Dimino

Curvature Estimation for Point Clouds, Graphs, and Finite Metric Spaces

Abigail Hickok

AATRN Watch Party: Topological data analysis (TDA) based machine learning models for drug design

Kelin Xia

A Symmetry-Aware Vietoris-Rips Algorithm

Jordan Matuszewski