Sergio Zamora


Research

I perform research in the areas of metric geometry, geometric group theory, and arithmetic combinatorics. However, my interests also include geometric analysis, geometric probability, index theory, and geometric topology. Here is my full Research Statement and my CV.


Texts (click to enlarge)

Talks and Posters (click to enlarge)

  • Lower semi-continuity of fundamental groups and nilpotent structures(slides)
    Talk. Topology Geometry Zoom Seminar. University of Oregon. 2023
  • Lower semi-continuity of fundamental groups and nilpotent structures in persistence
    Talk. AATRN Vietoris-Rips Seminar. 2023
  • First Betti number and collapse
    Talk. New Developments in Differential Geometry and Topology. Boston. 2023
  • Topology of convergence with lower Ricci bounds (notes)
    Talk. Geometry Seminar. Karlsruhe Institute of Technology. 2022
  • Restrictions on collapse with lower Ricci curvature bounds
    Talk. Oberseminar Differentialgeometrie. Max Planck Institute. 2022
  • On collapse of tori under lower sectional curvature bounds (slides)
    Talk. Barrett Lectures, University of Tennessee. 2022
  • Limites de espacios homogeneos discretos (slides)
    Talk. Jornada de Topologia, Geometria y Dinamica. 2022
  • On collapse of tori under lower sectional curvature bounds (slides)
    Talk. Alexandrov Seminar in Geometry. Euler Institute. 2022
  • On limits of almost homogeneous spaces (slides)
    Talk. University of Copenhagen. 2022
  • Structure of Collapse on Aspherical Manifolds
    Talk. University of Toronto. 2021
  • Global shape of Galois covers (slides)
    Talk. UCSB. 2021
  • Global shape of universal covers
    Talk. Vanderbilt University. 2021
  • Structure of Collapse and Fundamental Groups (slides)
    Talk. CUNY Geometric Analysis Seminar. 2021
  • Universal Covers of Manifolds with Ricci Curvature Bounded Below (slides)
    Talk. UNCG ANT-CoG. 2021
  • Lower Semi-continuity of the Fundamental Group (slides)
    Talk. Friday Lunch Seminar. Penn State University. 2021
  • Lower Semi-continuity of the Fundamental Group and Convergence with Discrete Symmetry
    Talk. Virtual Workshop on Ricci and Scalar Curvature in honor of Misha Gromov. 2020
  • Fundamental Groups and Limits of Almost Homogeneous Spaces (slides)
    Talk. Metric Measure Spaces and Convergence Seminar. 2020
  • Amenable Groups and Ultrafilters. Different takes on Probability (notes)
    Talk. Student Directed Colloquium. Penn State University. 2019
  • Amenability
    Talk. MSRI Summer School. Geometric Group Theory. 2019
  • Geometry of Universal Covers through Cayley Graphs
    Poster. Sub-Riemannian Geometry and Beyond II. Jyvaskyla. 2019
  • On Diameters of Universal Covers (slides)
    Talk. Geometry Seminar. Penn State University. 2018
  • Non-Smooth Curvature (slides)
    Talk. Student Directed Colloquium. Penn State University. 2018
  • Curvature and the Paper Sphere
    Talk. Mathematical Coven. UNAM. 2015
  • Lines in the plane and decomposition of graphs
    Talk. Seminar Proofs from the book. UNAM. 2013

Teaching