Webinário Orbita Mathematicae (2026) - The Bourbaki degree of plane curves - Marcos Jardim (Unicamp)
Автор: Instituto de Matemática Pura e Aplicada
Загружено: 2026-01-23
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Data: 09/02/2026
Horário: 13:00
Palestrante: Marcos Jardim (Unicamp)
Título: The Bourbaki degree of plane curves
Resumo: A plane algebraic curve is said to be free if the module of syzygies for the associated Jacobian map is a free module. The study of free curves (especially line arrangements) has been a topic of great interest in algebraic geometry for the past 45 years, with a vast literature. I will present a new invariant, called the Bourbaki degree, that measures how far from being free a plane curve is, and show how this concept can be further generalized in other contexts, as well as open questions concerning the new invariant.
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