Talks

Here I collect past and programmed talks.

Conferences

Invited Talks

Sept. , 2026

On the first order theory of octonions, “The 14th International Conference on Clifford Algebras and Their Applications in Mathematical Physics (ICCA)” ‑ Special session: “Function Theories in Cayley‑Dickson Algebras”, Universität Erfurt, September 7‑11, 2026.

Jan. 23 , 2026

Le problème d’algébricité sur ℚ en géométrie algébrique réelle, “Quimperiodique”, Centre Henri Lebesgue, Quimper (France), January 22‑23, 2025.

June , 2025

The Nash-Tognoli theorem over ℚ & the ℚ-algebraicity problem for isolated singularities, “Singularities in Algebraic Geometry”, Centre Henri Lebesgue, Rennes (France), June 10‐13, 2025.

Sept. 6 , 2024

On the first-order theory of quaternions (and octonions), “Workshop di Analisi e Geometria Ipercomplessa”, Dipartimento di Matematica, Università di Trento, Trento (Italy), Sept. 4‐5, 2024.

Oct. 31, 2023

The ℚ-algebraicity problem in real algebraic geometry, “Research School in Real Algebraic Geometry”, SISSA and IGAP, Trieste (Italy), Oct. 30 ‐ Nov. 2, 2023.

Sept. 4, 2023

Subfield‐algebraic geometry III: the ℚ ‐algebraicity problem, “Spanish+Polish Mathematical Meeting ‐ Real Algebraic Geometry and Singularities thematic session”, 2023 Department of Mathematics, Uniwersytet Łódźki, Łódź (Poland), Sept. 4‐8, 2023.

Aug. 29, 2023

On the embeddings of compact manifolds, “Three Days between Analysis and Geometry in Trento (Second Edition)”, 2023 Department of Mathematics, Università di Trento, Trento (Italy), Sept. 28‐30, 2023.

Contributed Talks

Jun. 23, 2025

The Nash-Tognoli theorem over ℚ, “Tame geometry and extensions of functions ‑ Pawĺucki 70, Conference in honor of Wiesĺaw Pawĺucki’s 70th birthday”, Department of Mathematics, Jagiellonian University, June 23‑27, 2025.

Sept. 11, 2024

The ℚ-algebraicity problem in Real Algebraic Geometry, “Summer School on Real Algebraic Geometry and Hodge Theory”, TU Dresden, Dresden (Germany), Sept. 9-13, 2024.

Jul. 26, 2024

The ℚ-algebraicity problem in Real Algebraic Geometry, “18th International Workshop on Real and Complex Singularities - Celebrating the 60th birthday of Juan José Nuño-Ballesteros”, Facultat de Farmácia - Campus de Burjassot, Universitat de València, Valencia (Spain), Jul. 21-26, 2024.

Sept. 15, 2022

The topology of real algebraic sets with isolated singularities is determined by the field of rational numbers, “Real Algebraic Geometry and Singularities, conference in honor of Wojciech Kucharz’s 70th birthday”, Department of Mathematics, Jagiellonian University, Krakow (Poland), Sept. 12‐17, 2022.

May 27, 2022

The topology of real algebraic sets with isolated singularities is determined by the field of rational numbers, “100 UMI ‐ 800 UniPD, First UMI meeting of Ph.D. students”, Department of Mathematics “Tullio Levi‐Civita”, Università di Padova, Padova (Italy), May 23‐27, 2022.

Posters

Oct. 25, 2022

The topology of real algebraic sets with isolated singularities is determined by the field of rational numbers, “Real Algebraic Geometry”, CIRM, Luminy, Oct. 24 ‐ 28, 2022.

Seminars

Mar. 19, 2026

TBA, Séminaire de Topologie, Géométrie et Algèbre, Laboratoire de Mathématiques Jean Leray, Université de Nantes, Nantes (France).

Mar. 7, 2026

TBA, Séminaire de Géométrie, LAMA, Université Savoie Mont Blanc, Chambéry (France).

For a complete list of my seminars see my CV.