Talks and Travel

Upcoming Talks and Travel

This is a list of some of my upcoming travel.

• 11/24/2025 - 11/28/2025 - Combinatorial Geometries and Geometric Combinatorics 2025
• 9/1/2025 - 9/5/2025 - Topology of arrangements with an eye to applications (Workshop, Pisa)

Presentations

This is a list of some of the presentations I’ve given since summer 2021. All presentations are talks unless otherwise noted.

• 2/17/2025 - 2/21/2025 - Non-crossing partitions in algebra, combinatorics and probability (ESI Workshop)
  Title: "The Poincaré-extended ab-index" (slides)
• 2/10/2025 - 2/14/2025 - Computational Interactions between Algebra, Combinatorics, and Discrete Geometry (IPAM Workshop)
  Title: "Yoshinaga’s Criteron & the Topology of a Complexified Complement of a Real Arrangement" (slides)
• 7/22/2024 - 7/26/2024 - FPSAC (in Bochum, Germany)
  Title: "The Poincare-extended ab-index (Poster)" (PDF of poster)
• 4/10/2024 - Univeristy of Washington Combinatorics Seminar
  Title: "The Poincare-extended ab-index" (slides)
• 3/11/2024-3/15/2024 - Hot Topics (Artin Groups and Arrangements - Topology, Geometry, and Combinatorics)
  Title: "The complexified complement of an arrangement--set pair" (slides)
• 12/10/2023 - 12/15/2023 - MFO Workshop "Geometric, Algebraic, and Topological Combinatorics"
  Title: "The Poincare-extended ab-index" (slides)
• 5/1/2023 - Texas A&M Colloquium
  Title: "Cones of Hyperplane Arrangements" (slides)
• 3/29/2023 - 89th Séminaire Lotharingien de Combinatoire
  Title: "The Poincare-extended ab-index" (slides)
• 3/15/2023 - Various Guises of Reflection Arrangements (Invited Participant)
  Title: "The Poincare-extended ab-index" (slides)
• 3/2023 - CATs Seminar (Kentucky)
  Title: "The Poincare-extended ab-index" (slides, recording)
• 11/10/2022 - Special Combinatorics Seminar (at the MPI Leipzig)
  Title: "Hyperplane Arrangements and Algebra"
• 10/25/2022 - Oberseminar "Kombinatorik" (RUB)
  Title: "Balanced Flag Poincaré Polynomials"
• 9/5/2022 - 9/9/2022 - Geometry meets Combinatorics in Bielefeld (Invited Speaker)
  Title: "Real Hyperplane Arrangements and the Varchenko-Gelfand Ring" (slides)
• 8/26/2022 - Algebra & Combinatorics Seminar at Texas A&M
  Title: "Real Hyperplane Arrangements and the Varchenko-Gelfand Ring" (slides)
• 8/19/2022 - Algebraic Combinatorics Seminar at University of Texas at Dallas
  Title: "Real Hyperplane Arrangements and the Varchenko-Gelfand Ring" (slides)
• 6/27/2022 - 7/1/2022 - Arrangements in Ticino (Invited Speaker) (slides)
• 3/21/2022 - Combinatorial Coworkspace (Invited Participant)
  Title: "Narayana numbers from the geometry of Shi arrangements" (slides)
• 3/10/2022 - ICERM Research Communities in Algebraic Combinatorics Seminar
  Title: "The Varchenko-Gel’fand Ring of a Hyperplane Arrangement or a Cone"
• 2/28/2022 - Berkeley Combinatorics Seminar
  Title: "The Varchenko-Gel’fand Ring of a Hyperplane Arrangement or a Cone" (slides)
• 1/10/2022 - Algebra and Combinatorics Seminar at Universität Osnabrück
  Title: "The Varchenko-Gel’fand Ring of a Hyperplane Arrangement or a Cone"
• 12/2/2021 - Brown Combinatorics Seminar
  Title: "The Varchenko-Gel’fand Ring of a Hyperplane Arrangement or a Cone"
• 11/18/2021 - Discrete Geometry and Topological Combinatorics Seminar at FU Berlin
  Title: "The Varchenko-Gel’fand Ring of a Hyperplane Arrangement or a Cone"
• 11/8/2021, 11/15/2021 - Oberseminar "Arrangements and Symmetries" (RUB)
  Title: "Cones of Hyperplane Arrangements (Two-Part Series)"
• 9/5/2021 - 9/8/2021 - 86th Séminaire Lotharingien de Combinatoire
  Title: "The Varchenko-Gel’fand Ring of a Hyperplane Arrangement or a Cone"