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X-WR-CALNAME:Institute of Mathematics and Informatics
X-ORIGINAL-URL:https://math.bas.bg
X-WR-CALDESC:Събития за Institute of Mathematics and Informatics
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DTSTART:20250330T010000
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DTSTART;TZID=Europe/Sofia:20251020T140000
DTEND;TZID=Europe/Sofia:20251020T153000
DTSTAMP:20260618T180227
CREATED:20251015T182437Z
LAST-MODIFIED:20251015T182437Z
UID:18339-1760968800-1760974200@math.bas.bg
SUMMARY:Семинар по особености
DESCRIPTION:Дата и час: 20.10.2025 г.\, 14:00 ч.\nМясто: Зала 578\, ИМИ – БАН \nЗаглавие на доклада: \nThe complete intersection discrepancy of curves\nДокладчик: Andrei Bengus-Lasnier (ИМИ – БАН) \nРезюме: In this talk I will introduce an invariant for reduced curves called the complete intersection discrepancy (cid for short). This numerical quantity arose naturally when trying to generalize known formulas for complete intersection curves to general curves. The cid then serves as a correction term in these formulas. \nI will present some of the cid’s basic properties and derive two formulas. The first relates basic invariants such as Milnor number\, its multiplicity and the multiplicity of its Jacobian ideal\, and generalizes a well-known result in singularity theory due to Lê\, Greuel and Teissier. The second formula is a generalization of the genus-degree formula for projective curves.\n\nThis work is in collaboration with Antoni Rangachev and Terence Gaffney.
URL:https://math.bas.bg/event/%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d0%bf%d0%be-%d0%be%d1%81%d0%be%d0%b1%d0%b5%d0%bd%d0%be%d1%81%d1%82%d0%b8/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
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