### Fall 2023

**December 1st, 2023**

** Speaker: **Konstantin Tikhomirov (Carnegie Mellon University)

**Invertibility of inhomogeneous random matrices**

**Title:****November 17, 2023**

** Speaker: **Alexander Litvak (University of Alberta, Edmonton)

**Singularity of random Bernoulli matrices**

**Title:****October 27, 2023**

** Speaker: **Allan Greenleaf (University of Rochester)

**Thick Families of Configurations in Thin Sets**

**Title:****October 13, 2023**

** Speaker: **Kateryna Tatarko (University of Waterloo, Canada)

**A Steiner formula in the L_p Brunn Minkowski theory**

**Title:**

### Spring 2023

**April 19, 2023**

**Title: **Associativity, Commutativity and Units: a Higher-dimensional ballet

**Speaker: **Dr. Eugenia Cheng (School of the Art Institute of Chicago)

**April 14, 2023**

**Title: **Tensor-Norm Approaches to Low-Rank Matrix Recovery by Convex Program

**Speaker:** Kiryung Lee (Ohio State University)

**February 24, 2023**

**Title: **Random Spherical Polytopes

**Speaker:** Florian Besau (Vienna Technical University)

### Fall 2022

**December 9, 2022**

**Title: **A general theory of coexistence for ecological communities

**Speaker:** Dr. Alexandru Henning, Texas A&M University

**November 4, 2022**

**Title: **Direct and inverse problems for elastic dislocations in geophysics

**Speaker:** Anna Mazzucato, Penn State** (Host: Erkki Somersalo)**

**October 10, 2022**

**Title: **What does this pathway do? Identifying control ensembles for decision-making and other

downstream effects

**Speaker:** Jonathan Rubin, University of Pittsburgh **(Host: Peter Thomas)**

**October 7, 2022**

**Title: **Scaling and Scalability: Accelerating Ill-conditioned Low-rank Estimation via Scaled Gradient Descent

**Speaker:** Yuejie Chi, Carnegie Melon University **(Host: Weihong Guo)**

### Spring 2022

** February 11, 2022
Title: **My STEM journey and commitment to diversity, equity, and inclusion.

**Amy Prager (Hale Health)**

Speaker:

Speaker:

**February 18, 2022**

**Speaker:** Anna Zemlyanova (Kansas State University)

**Title: **Fracture mechanics at nanoscale

**March 18, 2022**

**Speaker:** Ning Wei (Purdue University)

**Title: **Ephaptic coupling, circadian clock and relations to ventricular arrhythmia.

**March 25, 2022**

**Speaker:** Ethan Levien (Dartmouth University)

**Title:** Adaptive evolution of microbial physiology: the role of non-genetic variability

**April 1, 2022**

**Title**: **
Speaker: **Daniel Solow (CWRU)

**April 8, 2022**

**Title: TBA**

**Speaker:** Prasad Tetali (Carnegie Mellon)

**April 15, 2022**

Title: Isoperimetric Multi-Bubble Problems – Old and New**
Speaker:** Emanuel Milman (Technion, Israel)

### Fall 2021

**October 22. 2021**

Title:*A Scale Invariant Approach for Signal and Image Recovery***
Speaker:** Yifei Lou, University of Texas at Dallas

** November 5, 2021
Title: **The Bergman Reproducing Kernel and the Asymptotic Properties of Polynomials Orthogonal over Planar Domains

**Erwin Mina Diaz, University of Mississippi**

Speaker:

Speaker:

**November 12, 2021**

** Title: **Revealing the simplicity of high-dimensional objects via pathwise stochastic analysis.

**Ronen Eldan, Princeton University**

Speaker:

Speaker:

** November 19, 2021
Title: **Accurate Mathematical Tool for the Phase Control of Biological Oscillators

**Alberto Perez, Universidad Complutense de Madrid**

Speaker:

Speaker:

### Fall 2020

**November 20, 2020**

Title:*The Joys of Random Projections***
Speaker:** Christopher Thaele, Ruhr University Bochum-Germany

### Spring 2020

**February 21, 2020**

Title:*Geometric Valuation Theory***
Speaker:** Monica Ludwig, Vienna Technical University

** February 28, 2020
Title:** Graph Representation of Gaussian Fields

**Daniel Sanz-Alonso, Assistant Professor, Department of Statistics, University of Chicago**

Speaker:

Speaker:

### Fall 2019

**September 27, 2019**

Title:*Invertibility of Inhomogenuous Heavy-Tailed Matrices***
Speaker:** Galyna Livshyts, Georgia Institute of Technology

**October 11, 2019**

Title: *An Orthogonal Polynomials Approach to Poncelet’s Theorem, Numerical Range, Blaschke Products, and Beyond…***
Speaker:** Andrei Martinez, Finkelshtein, Professor, Department of Mathematics (Baylor University)

**November 8, 2019**

Title: *SIMPATY: A New Adaptive Tool for Structure Design***
Speaker:** Simona Perotto (Polytechnic University of Milan)

**November 15, 2019**

Title: *Mathematical Modeling of Bleb-Based Chemotaxis in Dictyostelium Discoideum***
Speaker:** Emmanuel Asante-Asamani (Hunter College)

**November 22, 2019**

Title: *Algebraic K-Theory for 2-Categories***
Speaker: **Niles Johnson, Associate Professor (Ohio State University, Newark)

**December 6, 2019**

Title: *Simultaneous Rational Approximation***
Speaker: **Ulises Fidalgo, Lecturer (CWRU, Department of Mathematics, Applied Mathematics and Statistics)

### Spring 2019

**Friday April 19, 2019**

Title: *A Regularized Stokeslet Approach to the Motion and Behavior of Microscopic Swimmers***
Speaker:** Alexander Hoover, Assistant Professor, University of Akron

**Friday February 15, 2019**

Title: *Space and Time Scaling Exponents on Fractals and Compact Metric Spaces***
Speaker:** John Dever, Bowling Green State University

**Friday February 8, 2019
Title:**

*Uniform Volume Doubling for Compact Lie Groups*

**Professor Nate Eldredge, University of Northern Colorado**

Speaker:

Speaker:

**Friday January 25, 2019
Title: **

*Valuations on Convex Sets and Integral Geometry*

**Semyon Alesker, Tel Aviv University**

Speaker:

Speaker:

### Fall 2018

Friday November 9, 2018Title: Weyl’s Principle, Valuations, and Pseudo-Riemannian ManifoldsDimitry Faifman, University of TorontoSpeaker: |

Friday October 5, 2018Title: Linear Algebra as a Natural Language for Special Relativity and its ParadoxesDr. John Depillis, University of California Riverside, Department of MathematicsSpeaker: |

Friday September 21, 2018Title: Regularizing a Parameter Estimating Problem Using Monotonicity and Convexity ConstraintsSam Subbey, Institute of Marine Research and Cornell UniversitySpeaker: |

Friday September 7, 2018 Title: Kirchoff Graphs: Existence, Construction, and Uniformity Speaker: Professor Joseph Dr. Fehribach, WPI Mathematical Sciences |

### Spring 2018

Friday February 2, 2018 Title: Robust Electrical Impedance Tomography Imaging with D-Bar Methods Speaker: Dr. Sarah J. Hamilton, Assistant Professor in the Department of Mathematics and Computer Science at Marquette University, Milwaukee WI. |

Friday February 23, 2018Title: Mathematical Oncology: Cancer Modelling from the Bottom UpProfessor Philip Gerlee, Chalmers University of Technology, Gothenburg, SwedenSpeaker: |

Friday March 2, 2018Title: Effective Stochastic Dynamics and Self-Consistent Spectra for Large NetworksProf. Dr. Benjamin Lindner, Bernstein Center for Computational Neurosciences & Department of Physics, Humboldt University (Berlin)Speaker: |

Friday March 23, 2018Title: How Focused Flexibility Maximizes the Thrust Production of Flapping WingsNick Moore, Florida State University, Department of MathematicsSpeaker: |

Friday April 6, 2018Title: Geometry of Spaces of Polygons and CurvesProfessor Tom NeedhamSpeaker: |

Friday April 13, 2018 Title: Critical Points of Random PolynomialsSean O’Rourke, University of Colorado BoulderSpeaker: |

Wednesday April 18, 2018*4:00pmTitle: Rank Driven DynamicsPeter Veerman, Portland State UniversitySpeaker: |

Friday April 27, 2018Title: Cutoff with Window for the Random to Random ShuffleMegan M. BernsteinSpeaker: |

### Fall 2017

Friday, October 6, 2017Title: Foundations of probability – failure of philosophy as a descriptive scienceSpeaker: Krzysztof Burdzy (Professor, University of Washington at Seattle) |

Friday, November 3, 2017Title: Bayesian Filtering for Periodic, Time-Varying Parameter EstimationSpeaker: Andrea Arnold (Assistant Professor, Worcester Polytechnic Institute) |

Friday, November 10, 2017Title: Flexible Models for Gaussian Processes with Applications to Correlated DataSpeaker: Sujit Ghosh (Professor, North Carolina State University) |

### Spring 2017

Friday, January 27, 2017Title: Smoothness of heat kernel measures on abstract Wiener groups Speaker: Tai Melcher (Associate Professor, University of Virginia) |

Friday, February 10, 2017Title: Subcritical transition and stability in the 3D Navier-Stokes equations at high Reynolds number Speaker: Jacob Bedrossian (Assistant Professor, University of Maryland) |

Friday, February 24, 2017Title: Integral geometry of the complex projective space Speaker: Andreas Bernig (Professor, Goethe Universität Frankfurt) |

Friday, March 3, 2017Title: What does the average eigenvalue know about geometry, physics, or the complexity of a graph? Speaker: Evans M. Harrell (Professor Emeritus, Georgia Institute of Technology) |

Friday, March 24, 2017Title: Cell-based modelling of epithelial tissue dynamics Speaker: Alexander Fletcher (Vice-Chancellor’s Fellow, University of Sheffield) |

Friday, March 31, 2017Title: Solution uncertainty quantification for differential equations Speaker: Oksana Chkrebtii (Assistant Professor, The Ohio State University) |

Friday, April 7, 2017Title: Martingales and a generalization Speaker: Christian Gromoll (Associate Professor, University of Virginia) |

MBI National Mathematical Biology ColloquiumWednesday, April 12, 2017Title: Cell Physiology – Making Diffusion Your Friend Speaker: Jim Keener (Distinguished Professor of Mathematics, University of Utah) |

Friday, April 14, 2017Title: Tales of Random Projections Speaker: Kavita Ramanan (Professor, Brown University) |

Institute for the Science of Origins LectureMonday, May 1, 2017Miller Room, Rockefeller Hall (Room 221)Title: Molecular Communication and the Origins of Biological Information Processing Speaker: Andrew Eckford (Associate Professor, York University) |

### Fall 2016

Friday, September 30, 2016Title: Universality laws for randomized dimension reduction Speaker: Joel Tropp (Professor, California Institute of Technology) Hosted by Mark Meckes |

Friday, October 14, 2016Title: ARock: an Asynchronous Parallel Algorithmic Framework Speaker: Ming Yan (Assistant Professor, Michigan State University) Hosted by Weihong Guo |

Friday, October 21, 2016Title: The World’s Largest Man-Made Disaster: Locating Deepwater Horizon Submerged Oil Spill in Ocean Water Using k-means Clustering Speaker: Tanujit Dey (Associate Research Staff, Cleveland Clinic Foundation) Hosted by Wojbor Woyczynski |

Friday, November 11, 2016Title: A computational scheme to predict dynamics in Internet of Things systems Speaker: Salvatore Cuomo (Assistant Professor, University of Naples Federico II) Hosted by Daniela Calvetti |

Friday, November 18, 2016Title: Stochastic topology and inference Speaker: Sayan Mukherjee (Professor, Duke University) Hosted by Elizabeth Meckes |

Friday, December 2, 2016Title: Understanding the evolution of resistance: a comprehensive and integrated mathematical and experimental research program Speaker: Jacob Scott (Staff Researcher, Cleveland Clinic Foundation) Hosted by David Gurarie |

### Spring 2016

Friday, January 26, 20163-4 p.m. Title: Non-Asymptotic Approach in Random Matrix Theory Speaker: Mark Rudelson (Professor, University of Michigan at Ann Arbor) Hosted by Elisabeth Werner |

Friday, February 12, 20163-4 p.m. Title: Uncertainty Principle for Discrete Schrödinger Evolution Speaker: Yurii Lyubarskii (Professor, Norwegian University of Science and Technology) Hosted by David Gurarie |

Wednesday, March 16, 2016Undergraduate Colloquium3-4 p.m. Title: Combinatorial Trigonometry (and a method to DIE for) Speaker: Arthur T. Benjamin (Smallwood Family Professor of Mathematics, Harvey Mudd College) Hosted by Chris Butler |

Wednesdsay, March 23, 2016Joint Colloquium/QLSS4:30 p.m. Title: Better Living Through Control: With Applications to Neural and Cardiac Systems Speaker: Jeff Moehlis (Professor, University of California- Santa Barbara) Hosted by Peter Thomas |

Friday, March 25, 20163-4 p.m. Title: Distance Spectra Speaker: Leslie Hogben (Professor of Mathematics, Iowa State University and American Institute of Mathematics) Hosted by Elisabeth Werner |

Tuesday, April 5, 2016Joint Colloquium/Analysis & Probability Seminar3-4 p.m. Title: Fractional Pearson Diffusion Speaker: Nikolai N. Leonenko (Professor, Cardiff University) Sponsored by Wojbor Woyczynski |

Friday, April 8, 20163-4 p.m. Title: Solving Fredholm Integrals from Incomplete Measurements Speaker: Wojtek Czaja (Professor, University of Maryland, College Park) Sponsored by Julia Dobrosotskaya |

Friday, April 22, 20163-4 p.m. Title: Exact MCMC Using Approximations and Bernoulli Factories Speaker: Radu Herbei (Associate Professor of Statistics, The Ohio State University) Hosted by Jenný Brynjarsdóttir |

### Fall 2015

Friday, September 18, 20153-4 p.m. Title: Determining the Maximum Number of Moves Needed to Solve Rubik’s Cube Speaker: Morley Davidson (Associate Professor, Kent State University) |

Friday, October 9, 20153-4 p.m. Title: Uncertainty Quantification for NASA’s Orbiting Carbon Observatory 2 Mission Speaker: Amy Braverman (Principal Statistician, Jet Propulsion Laboratory, California Institute of Technology) Hosted by Jenný Brynjarsdóttir |

Friday, October 16, 20153-4 p.m. Title: Mechanisms of Elastic Enhancement and Hindrance for Finite-Length Undulatory Swimmers in Viscoelastic Fluids Speaker: Robert Guy (Associate Professor of Mathematics, University of California, Davis) Hosted by Wanda Strychalski |

Friday, October 30, 20153-4 p.m. Title: Numerical Simulation of Cortical Spreading Depression on Individual Brain Geometries Speaker: Luca Gerardo-Giorda (Research Line Leader, Basque Center for Applied Mathematics) Hosted by Daniela Calvetti |

Wednesday, November 4, 20153-4 p.m. Title: Rigidity of the Chain Rule and Nearly Submultiplicative Functions Speaker: Hermann König (Professor, Christian-Albrechts-Universität zu Kiel) Hosted by Elisabeth Werner |

Joint Colloquium/Mathematical Life Sciences Seminar (MLSS)Monday, November 9, 20153-4 p.m. Title: Stochastic and deterministic models of biochemical reaction networks Speaker: David Anderson (Associate Professor, University of Wisconsin) Hosted by Peter Thomas |

Friday, November 13, 20153-4 p.m. Title: Function Reconstruction from Non-uniform Fourier Data Speaker: Guohui Song (Assistant Professor, Clarkson University) Hosted by Weihong Guo |

Friday, November 20, 20153-4 p.m. Title: Repaying the Debt to Our Masters: Steinhaus and Feller (and, yes, Michelson) Volumes Speaker: Wojbor Woyczynski (Professor, Case Western Reserve University) |

Joint Colloquium/Mathematical Life Sciences SeminarMonday, November 23, 20153-4 p.m. Title: TBA Speaker: Marie-Therese Wolfram (Radon Institute for Computational and Applied Mathematics) Hosted by Alethea Barbaro |

### Spring 2015

Friday, January 23, 20153-4 p.m. Title: Microscale Propulsion in Engineering and Biology Speaker: Henry Fu (University of Nevada at Reno) |

Friday, February 20, 20153-4 p.m. Title: Umbral Moonshine Speaker: Miranda C. N. Cheng (University of Amsterdam) |

WHIG Seminar- Center for Global Heath and Diseases, CWRU Medical SchoolFriday, March 20, 20159-10 a.m. in Biomedical Research Building 433 Title: Needle in the Haystack: Combining Intravital Imaging and Mathematical Modeling to Understand How Vaccine-Induced T Cells Find Malaria-Infected Cells in the Murine Livers Speaker: Vitaly V. Ganusov (University of Tennessee) |

Friday, March 20, 20153-4 p.m. Title: Using Mathematical Modeling to Understand Kinetics of Lymphocyte Migration in the Whole Organism Speaker: Vitaly V. Ganusov (University of Tennessee) |

Friday, March 27, 20153-4 p.m. Title: Graphical and Network Models in Bioinformatics Speaker: Sujay Datta (University of Akron) |

Friday, April 3, 20153-4 p.m. Title: Channel Capacity of Biological Signal Transduction Systems Speaker: Peter Thomas (Case Western Reserve University) |

Friday, April 10, 20153-4 p.m. Title: From the Jones Polynomial to Khovanov Homotopy Speaker: Robert Lipschitz (Columbia University) |

Monday, April 13, 20153:15-4:15 p.m. Title: Data-Driven Modeling of Living Fluids Speaker: M. Gregory Forest (University of North Carolina at Chapel Hill) |

Friday, April 17, 20153:00-4:00 p.m. Title: Most Probably Intersecting Families of Subsets Speaker: Gyula Katona (Alfred Renyi Institute of Mathematics, Budapest, Hungary) |

### Fall 2014

Friday, Sep. 19, 20143-4 p.m. Title: How to Find Funding Opportunities for Mathematics, Applied Mathematics, & Statistics Speaker: Margaret Roudebush, MNO (Case Western Reserve University) |

Friday, Oct. 3, 20143-4 p.m. Title: Compressed sensing, RIP, and the null space property Speaker: Xuemei Chen (University of Missouri) |

Special ColloquiumMonday, Oct. 6, 20143:30 p.m. Title: Stochastic Modeling of Darwinian Evolution in a Chemostat Speaker: Sylvie Méléard (École polytechnique) |

Friday, Oct. 31, 20143-4 p.m. Title: The Magnitude of Metric Spaces Speaker: Mark Meckes (Case Western Reserve University) |

Special ColloquiumTuesday, Nov. 4, 20142:45 p.m. Title: Averaging multivariate functions Speaker: Manfred Denker (Penn State University) |

Friday, Nov. 14, 20143:00-3:50 p.m. Title: Dimension-Reduced Modeling of Spatio-Temporal Processes Speaker: Jenný Brynjarsdóttir (Case Western Reserve University) |

### Spring 2014

Jan. 17, 20143-4 p.m. Title: Bayesian inversion with Gaussian stochastic difference equations Speaker: Lassi Roininen (Sodankyla Geophysical Observatory/University of Oulu, Finland) |

Friday, Jan. 31, 20143-4 p.m. Title: Linear Theory for Filtering NonLinear Multiscale Systems with Model Error Speaker: John Harlim (Penn State) |

SPECIAL COLLOQUIUMMonday, February 17, 20144:15-5:15 p.m. Title: Bayesian uncertainty quantification in large scale spatial inverse problems Speaker: Anirban Mondal (Texas A & M University) |

SPECIAL COLLOQUIUMWednesday, February 19, 20144:15-5:15 p.m. Title: Ensemble Subsampling for Imbalanced Multivariate Two-Sample Tests Speaker: Lisha Chen (Yale University) |

PHD DEFENSEMonday, March 3, 20143:30-4:30 p.m. Title: An Invariant Imbedding Approach to Domain Decomposition Speaker: Joseph Volzer (Case Western Reserve University) |

PHD DEFENSETuesday, March 4, 20144:15 p.m. Title: Divergence and Entropy Inequalities for Log Concave Functions Speaker: Umut Caglar (Case Western Reserve University) |

PHD DEFENSEFriday, March 7, 20143:00 p.m. Title: Computational Models of Brain Energy Metabolism at Different Scales Speaker: Yougan Cheng (Case Western Reserve University) |

Monday, March 17, 20143:00 p.m. Title: Stochastic Neural Dynamics and Information Processing in the Autistic Brain Speaker: Roberto Fernández Galán |

PHD DEFENSEThursday, March 20, 20144:15 p.m. Title: Sequential Monte Carlo Parameter Estimation for Differential Equations Speaker: Andrea Arnold (Case Western Reserve University) |

Friday, March 21, 20144:15 – 5:15 p.m. Title: How To Build the Hydrogel Membrane Oscillator: Mathematical Model of Hydrogel Volume Phase Separation Speaker: Lingxing Yao (Case Western Reserve University) |

PHD DEFENSEMonday, March 24, 20143:30 p.m. Title: Piezoelectric Inverse Problems with Resonance Data: A Sequential Monte Carlo Analysis Speaker: Edrissa Gassama (Case Western Reserve University) |

MS THESIS DEFENSETuesday, March 25, 20143:00 – 4:30 p.m. Title: Inverted Binary Edwards Coordinates (Maire Model of an Elliptic Curve) Speaker: Steven Maire (Case Western Reserve University) |

PHD DEFENSEFriday, March 28, 20142:30 p.m. Title: Multi-Scale Modeling and Analysis of Options Markets Speaker: Charles Joseph (Case Western Reserve University) |

Friday, March 28, 2014- CANCELLED4-5 p.m. Title: Stochastic Nucleation and Growth Speaker: Maria D’Orsogna (California State University, Northridge) |

Friday, April 4, 20143-4 p.m. Title: TBA Speaker: Eva Marie Strawbridge (James Madison University) |

UNDERGRADUATE COLLOQUIUMFriday, April 11, 20144-5 p.m. Title: A Model for Gang Territoriality Motivated By Graffiti Speaker: Alethea Barbaro (Case Western Reserve University) |

Friday, April 18, 20143-4 p.m. Title: The Ginzburg – Landau Functional and Threshold Dynamics on Graphs for Large Data Analysis Speaker: Andrea Bertozzi (UCLA) |

Thursday, April 24, 20144-5 p.m. Title: The More, the Merrier: the Blessing of Dimensionality for Learning Large Gaussian Mixtures Speaker: Luis Rademacher (Ohio State University) |

MS THESIS DEFENSEFriday, May 16, 20141:00 p.m. Title: An Approach to Graph Isomorphism Using Spanning Trees Generated by Breadth First Search Speaker: Alexey Ilchenko (Case Western Reserve University) |

### Fall 2013

Monday, September 16, 2013 (4-5 p.m.) Title: Elliptic hypergeometric integrals Speaker: Eric Rains (California Institute of Technology) |

Friday, September 27, 2013 (10:30-11:20 a.m., Clapp 108) Title: The prime number filtrate or An easy way to find primes (sort of) or The prime distribution revealed (somewhat) Speaker: Frank Ryan (Case Western Reserve University, 1967-1971) |

Friday, October 11, 2013 (3-4 p.m.) Title: Insights into cytoplasmic rheology gained from modeling cellular blebbing Speaker: Wanda Strychalski (Case Western Reserve University) |

Friday, October 24, 2013 (4-5 p.m.) Title: The theory of valuations and what it can do for you! Speaker: Franz Schuster (Vienna University of Technology) |

Friday, November 8, 2013 (3-4 p.m.) Title: Dimension reduction and alleviation of confounding for spatial generalized linear mixed models Speaker: Murali Haran (Penn State) |

Friday, November 22, 2013 (3-4 p.m.) Title: Generalized Linear and Bilinear Mixed-Effects Models for Affiliation Networks Speaker: Kate Calder (The Ohio State University) |

Friday, December 6, 2013 (3-4 p.m.) Title: TBA Speaker: Longhua Zhao (Case Western Reserve University) |