Ngoc Cuong Nguyen (KAIST)
Visitors
Ngoc Cuong Nguyen Visitor (2025.3.1-2026.2.15) from KAIST Office: B248
12 events found.
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Patrick Brosnan (University of Maryland)
VisitorsPatrick Brosnan Visitor (2025.6.23-2025.7.5) from University of Maryland
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Sung Gi Park, Hodge symmetries of singular varieties
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Sung Gi Park Princeton U. / IAS The Hodge diamond of a smooth projective complex variety exhibits fundamental symmetries, arising from Poincaré duality and the purity of …
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Alex Abreu (Universidade Federal Fluminense)
VisitorsAlex Abreu Visitor (2025.6.25-2025.7.5) from Universidade Federal Fluminense
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Yoosik Kim, Disk Counting via GIT Quotients
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Yoosik Kim Pusan National University According to the Kempf–Ness theorem, the GIT quotient is equivalent to the symplectic reduction. Using this correspondence, we explain how to relate …
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Alex Abreu, On the Torelli Theorem for graphs and stable curves
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Alex Abreu Universidade Federal Fluminense The classical Torelli theorem states that a smooth curve can be recovered from its polarized Jacobian. In this talk, we will discuss …
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Workshop on Hessenberg varieties, Lusztig varieties, and Affine Grassmannians
B109 IBS, Korea, Republic ofConferences and WorkshopsThis workshop brings together experts in Hessenberg varieties, Lusztig varieties, and the affine Grassmannian. It focuses on the rich interactions among these geometric objects and their connections to representation …
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Yoonjoo Kim, Two results on Lagrangian fibrations
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Yoonjoo Kim Columbia U. I would like to report two ongoing results on Lagrangian fibrations of smooth symplectic varieties. The first is the construction of a delta-regular …
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Hyukmoon Choi, Equivariant compactification structures on smooth projective horospherical varieties of Picard number 1
B236-1 IBS, Korea, Republic ofComplex Geometry SeminarSpeaker Hyukmoon Choi IBS CCG and KAIST A projective variety V is an equivariant compactification of an algebraic group G if there exists an algebraic G-action on V …
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Makoto Enokizono, Normal stable degenerations of Noether-Horikawa surfaces
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Makoto Enokizono University of Tokyo Noether-Horikawa surfaces are surfaces of general type satisfying the equation K2=2pg−4, which represents the equality of the Noether inequality K2≥2pg−4 for surfaces of …
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Doyoung Choi, Singularities and syzygies of secant varieties of smooth projective varieties
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Doyoung Choi KAIST / IBS We study the higher secant varieties of a smooth projective variety embedded in projective space. We prove that when the variety is …
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Haesong Seo, Algebraic hyperbolicity of adjoint linear systems on spherical varieties
B236-1 IBS, Korea, Republic ofAlgebraic Geometry SeminarSpeaker Haesong Seo KAIST / IBS A projective manifold is called hyperbolic if it does not admit an entire map from the complex plane. Demailly proved that hyperbolic …