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  • School and Workshop on Moduli, K-trivial Varieties, and Related Topics

    IBS Science Culture Center Daejeon, Korea, Republic of (On Feb 23, the venue will be in B109, IBS)
    Conferences and Workshops

    Speakers for Mini-courses (Feb 21~23) Harold Blum (University of Utah) Radu Laza (Stony Brook University) Colleen Robles (Duke University) Speakers for Workshop (Feb 21~23, and 26-29) Kenneth Ascher (UC Irvine) Philip Engel (Univ. of Bonn) Laure Flapan (Michigan State University) Yoon-Joo Kim (Columbia University) Kyoung-Seog Lee (POSTECH) Zhiyuan Li (SCMS, Fudan University) Yuchen Liu (Northwestern …

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  • Gebhard Martin, Automorphisms of del Pezzo Surfaces I

    B236-1 IBS, Korea, Republic of
    Algebraic Geometry Seminar

        Speaker Gebhard Martin Universität Bonn Motivated by the classification of finite subgroups of the Cremona group of the plane, I will survey old and new results on automorphism groups of del Pezzo surfaces. In particular, I will report on joint work with Igor Dolgachev on the classification of automorphism groups of smooth del …

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  • Claudia Stadlmayr, Which Rational Double Points Occur on del Pezzo Surfaces?

    B236-1 IBS, Korea, Republic of
    Algebraic Geometry Seminar

        Speaker Claudia Stadlmayr Technische Universität München Canonical surface singularities, also called rational double points (RDPs), can be classified according to their dual resolution graphs, which are Dynkin diagrams of types A, D, and E. Whereas in characteristic different from 2, 3, and 5, rational double points are "taut", that is, they are uniquely …

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  • Gebhard Martin, Automorphisms of del Pezzo Surfaces II

    B236-1 IBS, Korea, Republic of
    Algebraic Geometry Seminar

        Speaker Gebhard Martin Universität Bonn Motivated by the classification of finite subgroups of the Cremona group of the plane, I will survey old and new results on automorphism groups of del Pezzo surfaces. In particular, I will report on joint work with Igor Dolgachev on the classification of automorphism groups of smooth del …

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  • Gebhard Martin, Automorphisms of del Pezzo Surfaces III

    B236-1 IBS, Korea, Republic of
    Algebraic Geometry Seminar

        Speaker Gebhard Martin Universität Bonn Motivated by the classification of finite subgroups of the Cremona group of the plane, I will survey old and new results on automorphism groups of del Pezzo surfaces. In particular, I will report on joint work with Igor Dolgachev on the classification of automorphism groups of smooth del …

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  • Boris Doubrov, Bifiltered Parabolic Geometries

    B266 IBS, Korea, Republic of
    Complex Geometry Seminar

        Speaker Boris Doubrov Belarusian State University, Minsk We introduce the notion of a bifiltered manifold and generalizing the constructions of the symbol and Tanaka prolongation from nilpotent differential geometry. Next, we consider bifiltered manifolds modeled by bigradings of simple Lie algebras and show how this generalizes known constructions in the parabolic geometries such …

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  • Dennis The, On 4D Split-conformal Structures with G2-symmetric Twistor Distribution

    B266 IBS, Korea, Republic of
    Complex Geometry Seminar

        Speaker Dennis The The Artic University of Norway, Tromso In their 2013 article, An & Nurowski considered two surfaces rolling on each other without twisting or slipping, and defined a twistor distribution (on the space of all real totally null self-dual 2-planes) for the associated 4D split-signature conformal structure. If this split-conformal structure …

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  • Yong Hu, Noether Inequality for Irregular Threefolds of General Type

    B236-1 IBS, Korea, Republic of
    Algebraic Geometry Seminar

        Speaker Yong Hu Shanghai Jiao Tong University Let X be a smooth irregular 3-fold of general type. In this talk, we will prove that the optimal Noether inequality vol(X) ≥ (4/3) pg(X) holds if pg(X) ≥ 16 or if X has a Gorenstein minimal model. Moreover, when X attains the equality and pg(X) …

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  • Michel Brion, Introduction to Symmetric Spaces

    B236-1 IBS, Korea, Republic of
    Complex Geometry Seminar

        Speaker Michel Brion U. Grenoble This is an introductory lecture on symmetric spaces in algebraic geometry.

  • Workshop on Geometry of Homogeneous Varieties

    B109 IBS, Korea, Republic of
    Conferences and Workshops

    Speakers Michel Brion (U. Grenoble) Jarek Buczynski (IMPAN, Warsaw) Thibaut Delcroix (U. Montpellier) Minseong Kwon (KAIST/IBS-CCG) Qifeng Li (Shandong U.) Yoshinori Namikawa (RIMS, Kyoto) Kyeong-Dong Park (Gyeongsang National U.) Boris Pasquier (U. Poitiers) Léa Villeneuve (U. Poitiers) Abstracts PDF file Schedule April 15 (Monday) 10:00-11:00 Brion 11:20-12:20 Brion 12:30-13:20 Lunch 15:00-16:00 Kwon 16:20-17:40 Li April …

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  • In-Kyun Kim, Wall-crossing of K-moduli Spaces of Weighted Projective Spaces

    B236-1 IBS, Korea, Republic of
    Complex Geometry Seminar

        Speaker In-Kyun Kim KIAS In algebraic geometry, constructing moduli spaces that parametrize families of algebraic varieties with certain properties is an important problem. In the case of Fano varieties, the construction of moduli spaces is a challenging problem. K-stability provides a criterion for selecting nice representatives within the moduli space, which helps create …

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