Upcoming talks

• December 09-13, 2025. Congreso Iberoamericano de Singularidades. Valparaiso, Chile. Title: Real and metric versions of the Nobile's theorem.

Past talks

• September 08-12, 2025. Brazil-Mexico Joint Mathematical Meeting. Fortaleza, Brazil. Title: From topological to metric regularity: An overview of characterizations of complex singularities.

• August 25-29, 2025. 2025 Mini-Workshop – Singularities in the North. Sundsvall, Sweden.  Title: From topological to metric regularity: An overview of characterizations of complex singularities.

• August 11-15, 2025. XXXVIII Coloquio de la Sociedad Matemática Peruana 2025. Lima, Perú.  Title: From topological to metric regularity: An overview of characterizations of complex singularities.

• July 27-August 01, 2025. 35º Colóquio Brasileiro de Matemática. Rio de Janeiro, Brazil. Title: Lipschitz geometry of complex singularities (minicourse).

• July 21-25, 2025. Mathematical Congress of the Americas 2025. Special session: Foliations and Singularities. Miami, USA. Title: Real and bi-Lipschitz versions of the Theorem of Nobile.

• June 08-14, 2025. Singularities in Plovdiv. Plovdiv, Bulgaria. Title: Real and metric versions of the Nobile's theorem.

• March 10-15, 2025. Geometria métrica e Topologia do Nordeste. Caponga, Brazil. Title: Real and bi-Lipschitz versions of the Theorem of Nobile.

• February 17-19, 2025. X Workshop de Teoria Algébrica de Singularidades. Maringá, Brazil. Title: On the topological invariance of the algebraic multiplicity of holomorphic foliations.

• November 25-29, 2024. VI Colóquio de Matemática da Região Nordeste. Special session: Teoria de Singularidades. Juazeiro do Norte, Brazil. Title: Bi-Lipschitz equivalent cones with different degrees.

• Octuber 17 and 18, 2024. BRAGui. Recife, Brazil.  Title: A definitive metric characterization of complex singularities.

• August 26-30, 2024. VII Congreso Latinoamericano y del Caribe de Matemática. Special session: Real and complex singularities of mappings and spaces. João Pessoa, Brazil. Title: Algebraic CMC surfaces with isolated singularities.

• July 22-26, 2024. 18th International Workshop on Real and Complex Singularities. Valencia, Spain. Title: A metric characterization of affine linear spaces among algebraic varieties.

• December 18, 2023. Seminário docente da UFERSA. Mossoró, Brazil. Title: Superfícies mínimas, gráficos inteiros, hiperplanos e o problema de Bernstein.

• December 11-15, 2023. Algebraic Geometry, Lipschitz Geometry and Singularities. Pipa, Brazil. Title: Global bi-Lipschitz classification of semialgebraic surfaces.

• November 19-24, 2023. 7th International Workshop on Singularities in Geometry and Applications, València VII. Fortaleza, Brazil. Title: Global vs. local Lipschitz geometry.

• August 27 - September 1, 2023. 6th Brazil-Chile-Mexico Meeting on Singularities. Oaxaca, Mexico (hybrid event). Title: On the Fukui-Kurdyka-Paunescu Conjecture. 

• July 16-22, 2023. 60LB Geometry and Singularities - 60th anniversary of Lev Birbrair. Będlewo, Poland. Title: Main contributions of Lev Birbrair to Lipschitz Geometry, Part II.

• July 7-11, 2023. Geometry, Topology and Algebra of Singular Spaces. Bucharest, Romania. Title: On the Fukui-Kurdyka-Paunescu Conjecture.

• January 10-13, 2023. 7th annual Meeting of the Spanish Network for Algebraic Geometry and Singularity Theory. Bilbao, Spain. Title: Lipschitz regular complex analytic sets are affine linear subspaces.

• November 7-11, 2022. V Colóquio de Matemática da Região Nordeste. João Pessoa, Brazil. Title: Global bi-Lipschitz classification of semialgebraic surfaces.

• October 5-7, 2022. IV Congresso Brasileiro de Jovens Pesquisadores em Matemática Pura, Aplicada e Estatística. João Pessoa, Brazil. Title: On log-Lipschitz regularity of complex analytic sets.

• October 3-7, 2022. II Congreso Internacional de Topología y Afines.  Lima, Perú (online). Title: Global bi-Lipschitz classification of semialgebraic surfaces.

• August 1-5, 2022. V Colóquio de Matemática da região Sul. Maringá, Brazil (online). Title: Removability of isolated singularities on surfaces with bounded mean curvature.

•  July 24-29, 2022. 17th International Workshop on Real and Complex Singularities. São Carlos, Brazil. Title: CMC surfaces in R3 with isolated singularities.

• July 11-22, 2022. CIMPA RESEARCH SCHOOL Singularities and Applications. São Carlos, Brazil. Title: Lipschitz Geometry of singularities (mini-course).

• June 6-10, 2022. Workshop on Tame Geometry: Interactions Between O-minimal, Complex Analytic and Nonarchimedean Methods. Toronto, Canada (hybrid event). Title: An overview of the metric/geometric version of Zariski's multiplicity conjecture.

• May 23, 2022. Seminar on Analytic Geometry. Krakow, Poland (online). Title: Global bi-Lipschitz classification of semialgebraic surfaces.

• May 15-21, 2022. 5th Brazil-Chile-Mexico Meeting on Singularities and 2nd Meeting on Foliations and Singularities. Vitória, Brazil (hybrid event). Title: Global bi-Lipschitz classification of semialgebraic surfaces.

• February 07-11, 2022. II International Meeting of young researchers in Singularity Theory and related fields. Rio de Janeiro, Brazil. Title: An introduction to Moderately Discontinuous Homology (mini-course).

• December 17, 2021. Gdansk-Krakow-Lodz-Warsaw Seminar in Singularity Theory. Warsaw, Poland (online). Title: Differential invariance of the multiplicity of real and complex analytic sets.

• October 28, 2021. Geometry and Topology Seminar. Hanoi, Vietnam (online). Title: On the Fukui-Kurdyka-Paunescu Conjecture.

• September 26 - October 2, 2021. Oberwolfach Workshop: Singularities. Oberwolfach, Germany (hybrid event). Title: On the Fukui-Kurdyka-Paunescu Conjecture .

• September 22, 2021. Webinário de Singularidades de São Carlos. São Carlos, Brazil (online). Title: On the Fukui-Kurdyka-Paunescu Conjecture.

• July 5-9, 2021: Lipschitz Geometry: New Methods and Applications. Marseille, France (hybrid event). Title: On fundamental group and regularity of Lipschitz normally embedded sets.

• January 21, 2021: XVI escola de verão em Matemática do Programa de Pós-Graduação em Matemática da UFES.  Online edition. Title: A multiplicidade de conjuntos analíticos, um medidor simples de regularidade. 

• November 23-30, 2020. 16th International Workshop on Real and Complex Singularities - celebrating 30 years. Online edition. Title: A version of the Mumford's Theorem on regularity of normal complex surfaces in high dimension.

• November 18-20, 2020. WebJME- Webinário de Jovens Pesquisadores em Matemática Pura, Aplicada e Estatística: Um prelúdio ao IV CBJME. On-line edition.  Title:  A version of Mumford's Theorem on regularity of normal complex surfaces in any dimension.

• 2020. Programa Temático de Singularidades do IMPA. Rio de Janeiro, Brazil. Title: Moderately Discontinuous Homology (Minicourse).

• 2020. Singular Day in Fortaleza. Fortaleza, Brazil. Title: An Introduction to Moderately Discontinuous Homology.

• 2019, Non-Isolated Singularities and derived Geometry: A celebration of the 60th birthday of David Massey. Cuernavaca, Mexico. Title: The generalized Poincaré’s Conjecture for links of LNE complex analytic sets (Plenary).

• 2019, Workshop LISA. Marseille, France. Title: A version of the Mumford’s Theorem on regularity of normal complex surfaces in high dimension (Plenary).

• 2019, Séminaire Singularités. Marselle, France. Title: On Lipschitz rigidity of complex analytic sets.

• 2019, 4th meeting on singularities Brazil-Chile-Mexico. Talca, Chile. Title: Answer for the Abstract Lipschitz Zariski’s Conjecture (Plenary).

• 2019, BCAM Working Seminar MP (STAG): Seminario de Geometría Algebraica y Singularidades. Bilbao, Spain. Title: Inner Metric Vs. Outer Metric on Singular Spaces II.

• 2019, BCAM Working Seminar MP (STAG): Seminario de Geometría Algebraica y Singularidades. Bilbao, Spain. Title: Inner Metric Vs. Outer Metric on Singular Spaces I.

• 2018, BCAM Working Seminar MP (STAG): Seminario de Geometría Algebraica y Singularidades. Bilbao, Spain. Title: On regularity of Lipschitz normally embedded sets.

• 2018, BCAM Working Seminar MP (STAG): Seminario de Geometría Algebraica y Singularidades. Bilbao, Spain. Title: On Lipschitz regularity at infinity of complex analytic sets.

• 2018, Workshop on Geometry of Singularities. Beersheva, Israel. Title: Tangent cones of Lipschitz normally embedded sets.

• 2018, Seventh Iberoamerican Congress on Geometry. Valladolid, Spain. Title: Tangent cones of Lipschitz normally embedded sets are Lipschitz normally embedded.

• 2017, IV Encontro de Singularidades no Nordeste - IV ENSINO. João Pessoa, Brazil. Title: Lipschitz Geometry of Tangent Cones of Analytic subsets (Minicourse).

• 2017, Lipschitz Geometry of Singularities. Marseille, France. Title: Degree of complex algebraic sets as a bi-Lipschitz invariant.

• 2017, A Panorama on Singular Varieties. Sevilla, Spain. Title: Lipschitz geometry and the Zariski multiplicity conjecture.

• 2017, Seminário de discentes da PGMAT. Fortaleza, Brazil. Title: On Lipschitz regularity at infinity of complex algebraic sets.

• 2016, II Congresso Brasileiro de Jovens Pesquisadores em Matemática Pura e Aplicada. Campinas, Brazil. Title: Regularidade Lipschitz e a multiplicidade de conjuntos analíticos.

• 2016, 14th International Workshop on Real and Complex Singularities. São Carlos, Brazil. Title: Lipschitz regularity and multiplicity of analytic sets.

• 2015, First Joint Meeting Brazil-Spain in Mathematics. Fortaleza, Brazil. Title: Lipschitz invariance of Lelong’s numbers.

• 2015, Seminário de discentes da PGMAT. Fortaleza, Brazil. Title: Regularidade Lipschitz, invariância da multiplicidade e a geometria dos cones tangentes de conjuntos analíticos.

• 2014, Seminários do ICMC. São Carlos, Brazil. Title: Regularidade Lipschitz de conjuntos analíticos complexos. 

• 2014, Seminário de discentes da PGMAT. Fortaleza, Brazil. Title: Regularidade blow-esférica de conjuntos analíticos complexos.