Yong Hu

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  • Yong Hu, Noether-Severi Inequality and Equality for Irregular Threefolds of General Type

    B266 IBS, Korea, Republic of
    Complex Geometry Seminar

         Speaker Yong Hu KIAS For complex smooth irregular 3-folds of general type, I will introduce the optimal Noether-Severi inequality. This answers an open question of Zhi Jiang in dimension three. Moreover, I will also completely describe the canonical models of irregular 3-folds attaining the Noether-Severi equality. This is a joint work with Tong …

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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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  • Yong Hu, Moduli spaces of threefolds on the Noether line

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

        Speaker Yong Hu Shanghai Jiao Tong University In this talk, we will introduce the 3-dimensional Noether inequality and completely classify the canonical threefolds on the Noether line with $p_g \ge 5$ by studying their moduli spaces. For every such moduli space, we establish an explicit stratification, estimate the number of its irreducible components …

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