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  1. Unprojection

    Unprojection or "constructing bigger Gorenstein ideals from smaller one" is an algebraic device for constructing Gorenstein varieties in codimension 4, 5, ..., beyond the range of standard structure theorems; it has a large number of fairly ...
    CategoryMath Colloquia Dept.University of Warwick / 서강대 LecturerMiles Reid
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  2. Volume entropy of hyperbolic buildings

    Volume entropy of a compact manifold is the exponential growth rate of balls in the universal cover. This seemingly coarse invariant contains a lot of geometric information of the manifold. We will discuss some relations to other invariants,...
    CategoryMath Colloquia Dept.서울대 Lecturer임선희
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