2. Universal
II Seminário de Álgebra do Grande Rio (SAGR) , UFF, 12/09/2025, Cayley and Linkage
UFF Algebra Seminar 28/8/2025. Title: QuasiHomogenous Singularities and Koszul Homologies
Talk at the 35th Mathematics Colloquium of Brazil. Title: Set-Theoretically Cohen-Macaulay ideals.
"A reduction proof for two theorems." OPEGA-recife, Feb 2025.
"A syzygetic approach to Algebraic Curves and Foliations”(keynotes): Brag-Recife, October 2024.
"The structure of Residual Intersections" (keynotes) Written geometry: commutative algebra, Centre International de Recontres Mathématiques (CIRM), Luminy, France, January 2023.
"The Gold-Streak of Birational Maps" dMat-UFPE, Brasil, October 2022.
"How degrees of generators control resolutions", Seminario de Algebra, verão, IMPA, Brasil 2022.
Joint with R. Ahangari, M-T. Dibaei and S. Madani, I organized the 17th Seminar on Commutative Algebra and related topics, IPM, Tehran, Iran, January 2021.
Degree of rational maps, Tabriz Webinar on Commutative Algebra, Iran, 23/12/2020.
Vector Fileds, Isfahan, Iran 2020.
Buchsbaum-Eisenbud family of complexes, IPM, Tehran, Iran 2020.
Linkage, Brazilian Colloquium, IMPA, Rio de Janeiro, Brazil, 2019.
The structure of Residual Intersections, Sao Carlos, Brazil, 2019.
Residual Intersections, Isfahan, Iran, 2018.
Effective Criteria for bigraded birationality, COLGA, IMPA, Rio de Janeiro, Brazil, 2017.
Cohen-Macaulay graphs, IPM, Tehran, Iran, 2017.
Deviations, IMPA, Brazil-Italy joint meeting, Rio de Janeiro, Brazil, 2016.
Syzygy of rational maps, ELGA, Cabo frio, Brazil, 2015.
Cohen-Macaulay residual Intersections, IMPA, UFPB, Jao Pessoa, Brazil, 2013.