David Ter-Borch Gram Lilienfeldt

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    Seminar Talks (invited)

  • Number Theory Seminar, University of Cambridge, June 10, 2025
    Title: TBD
  • Algebraic and Arithmetic Geometry Seminar, Universiteit Leiden, March 5, 2025
    Title: Derivatives of Rankin-Selberg L-functions and heights of generalized Heegner cycles
  • Séminaire de Géométrie, Ecole Polytechnique, February 12, 2025
    Title: Dérivées de fonctions L de Rankin-Selberg et hauteurs de cycles de Heegner généralisés
  • Séminaire d'Algèbre et Géométrie Algébrique, Université Sorbonne Paris Nord, January 31, 2025
    Title: Dérivées de fonctions L de Rankin-Selberg et hauteurs de cycles de Heegner généralisés
  • Algebraic and Arithmetic Geometry Seminar, Universität Bielefeld, November 27, 2024
    Title: Derivatives of Rankin-Selberg L-functions and heights of generalized Heegner cycles
  • Groups, Arithmetic & Algebraic Geometry Seminar, EPFL, October 10, 2024
    Title: Derivatives of Rankin-Selberg L-functions and heights of generalized Heegner cycles
  • Séminaire de Théorie des Nombres, Université Grenoble Alpes, April 11, 2024
    Title: La formule de Gross-Zagier pour les cycles de Heegner généralisés
  • Algebra Seminar, Vrije Universiteit Amsterdam, March 14, 2024
    Title: Experiments with Ceresa classes of cyclic Fermat quotients
  • Intercity Number Theory Seminar, Leiden University, November 17, 2023
    Title: The Gross-Zagier formula for generalized Heegner cycles
  • Algebra Seminar, University of Groningen, November 7, 2023
    Title: The Gross-Zagier formula for generalized Heegner cycles
  • Number Theory Seminar, The University of Warwick, October 23, 2023
    Title: The Gross-Zagier formula for generalized Heegner cycles
  • AGNT Seminar, Ben-Gurion University of the Negev, June 19, 2023
    Title: Archimedean local heights of generalized Heegner cycles
  • Séminaire de Théorie des Nombres, Université Clermont Auvergne, February 28, 2023
    Title: Cycles de Ceresa et quotients de courbes de Fermat
  • Séminaire de Théorie des Nombres, Université Grenoble Alpes, February 23, 2023
    Title: Cycles de Ceresa et quotients de courbes de Fermat
  • Number Theory Seminar, University of Copenhagen, December 21, 2022
    Title: Experiments with Ceresa classes of cyclic Fermat quotients
  • Séminaire de Théorie des Nombres, Université de Caen Normandie, December 9, 2022
    Title: Cycles de Ceresa et quotients de courbes de Fermat
  • Séminaire Kudla p-adique, Université de Caen Normandie, December 9, 2022
    Title: Cycles de Heegner dans les groupes de Griffiths de variétés de Kuga-Sato
  • Séminaire d'Arithmétique à Lyon, ENS Lyon, October 20, 2022
    Title: Cycles de Ceresa et quotients de courbes de Fermat
  • Séminaire de Théorie des Nombres, IMJ-PRG, October 17, 2022
    Title: Cycles de Ceresa et quotients de courbes de Fermat
  • AGNT Seminar, Ben-Gurion University of the Negev, December 8, 2021
    Title: Experiments with Ceresa classes of cyclic Fermat quotients
  • Number Theory Seminar, Hebrew University of Jerusalem, November 15, 2021
    Title: Experiments with Ceresa classes of cyclic Fermat quotients
  • Doctoral Oral Defence, McGill University, May 20, 2021
    Title: Algebraic cycles and Diophantine geometry (slides)
  • Séminaire de Théorie des Nombres, IMJ-PRG, January 25, 2021
    Title: Cycles algébriques et arithmétique des courbes elliptiques
  • Number Theory Seminar, University of Copenhagen, December 15, 2020
    Title: Algebraic cycles and arithmetic geometry
  • Algebra and Geometry Seminar, Laval University, November 15, 2019
    Title: Generalised Heegner cycles and the complex Abel-Jacobi map

    Conference Talks (invited)

  • Cardedeu Number Theory Symposium, Cardedeu, January 9, 2025
    Title: Derivatives of Rankin-Selberg L-functions and heights of generalized Heegner cycles
  • The Ceresa cycle in Arithmetic and Geometry, ICERM, May 2024
    Title: Archimedean heights of generalized Heegner cycles (video)
  • One-day Symposium in Number Theory, Hebrew University of Jerusalem, March 2, 2022
    Title: Heegner cycles in Griffiths groups of Kuga-Sato varieties (poster | video (2:32:30 - 3:48:00))

    Conference Talks (contributed)

  • DIAMANT Symposium, Eindhoven, November 23, 2023
    Title: Experiments with Ceresa classes of cyclic Fermat quotients
  • Symposium on Arithmetic Geometry and its Applications, CIRM, February 10, 2023
    Title: Experiments with Ceresa classes of cyclic Fermat quotients (slides)
  • Maine-Quebec Number Theory Conference, Laval University, September 26, 2020
    Title: Geometric quadratic Chabauty over number fields (slides | video)
  • Arizona Winter School 2020, University of Arizona, Tucson, March 11, 2020
    Title: Geometric quadratic Chabauty over number fields
  • Maine-Quebec Number Theory Conference, University of Maine, October 5, 2019
    Title: Generalised Heegner cycles and Griffiths groups of infinite rank (slides)
  • XXIIeme Colloque panquébécois de l'ISM, Université de Montréal, May 19, 2019
    Title: Generalised Heegner cycles and Griffiths groups of infinite rank (slides)

    Expository Talks

  • PANCakeS Preprint Seminar, Leiden University, March 6, 2025
    Title: Ceresa cycles of X0(N) (d'après Lupoian-Rawson)
  • Arithmetic Deformation to the Normal Cone, Leiden University, November 11, 2024
    Title: Arithmetic Intersection Theory (video)
  • Postdoc Seminar, Leiden University, February 22, 2024
    Title: My mathematical life: a tale of cycles, climbing, and curves (slides)
  • Graduate Introduction NT Seminar, University of Groningen, November 7, 2023
    Title: The three pillars of BSD
  • IMJ-PRG, May 24, 2023
    Title: Introduction to elliptic units (pdf)
  • Honda-Tate Seminar, Hebrew University of Jerusalem, Spring 2023
    Title: Rosati and Frobenius (pdf)
  • Elliptic Unit Seminar, Hebrew University of Jerusalem, Spring 2022
    1. Title: Introductory talk: the theorem of Coates-Wiles (pdf)
    2. Title: Basic properties of elliptic units I (pdf)
    3. Title: Basic properties of elliptic units II (pdf)
  • Euler System Seminar, Ben-Gurion University of the Negev, Fall 2021
    Title: Beilinson's formula and the Rankin-Selberg method (pdf)
  • Shnidman Group Seminar, Hebrew University of Jerusalem, Fall 2021
    Title: Introduction to algebraic cycles and the Beilinson-Bloch conjecture
  • Lawrence-Venkatesh Graduate Seminar, Montreal, Winter 2020
    Title: The proof of Mordell's conjecture: outline of the strategy and first steps
  • Graduate Student Seminar, McGill University, February 2020
    Title: The Birch and Swinnerton-Dyer Conjecture (poster)
  • Graduate Student Seminar, Université de Montréal, February 2020
    Title: The Birch and Swinnerton-Dyer Conjecture
  • Derived Categories Graduate Seminar, Concordia University, Fall 2019
    Title: Localization of triangulated categories
  • Etale Cohomology Graduate Seminar, Montreal, Summer/Fall 2019
    1. Title: The étale structure sheaf
    2. Title: Spectral sequences
    3. Title: The cycle class map
    4. Title: Chern classes
  • Mazur-Tate-Teitelbaum Graduate Seminar, Montreal, Fall 2018
    Title: Hida families of ordinary p-adic modular forms and their Galois representations
  • Sato-Tate Graduate Seminar, Montreal, Winter 2018
    Title: Automorphic forms for GLn and their L-functions
  • Mock Modular Forms Seminar, Concordia University, Fall 2017
    Title: Weak harmonic Maass forms and mock modular forms (pdf)
  • Fermat's Last Theorem Graduate Seminar, Montreal, Winter 2017
    Title: Overview of the proof of the modularity lifting theorem
  • Iwasawa Theory Graduate Seminar, Montreal, Fall 2016
    Title: Local units and interpolating power series