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  1. The Lagrange and Markov Spectra of Pythagorean triples

    The Lagrange spectrum is the set of approximation constants in the Diophantine approximation for badly approximated numbers. It is closely related with the Markov spectrum which corresponds the minimum values of indefinite quadratic forms ov...
    CategoryMath Colloquia Dept.동국대학교 Lecturer김동한
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  2. <학부생을 위한 ε 강연> 수학과 예술 - 초기 컴퓨터 그래픽

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    CategoryMath Colloquia Dept.동양대학교 Lecturer진중권
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  3. <학부생을 위한 강연> 수학과 보험산업

    CategoryMath Colloquia Dept.라이나생명 Lecturer유신옥
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  4. Combinatorics and Hodge theory

    I will tell two interrelated stories illustrating fruitful interactions between combinatorics and Hodge theory. The first is that of Lorentzian polynomials, based on my joint work with Petter Brändén. They link continuous convex...
    CategorySpecial Colloquia Dept.미국 프린스턴대 교수, 한국 고등과학원 석학교수 Lecturer허준이
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  5. Fixed points of symplectic/Hamiltonian circle actions

    A circle action on a manifold can be thought of as a periodic flow on a manifold (periodic dynamical system), or roughly a rotation of a manifold. During this talk, we consider symplectic/Hamiltonian circle actions on compact symplectic mani...
    CategoryMath Colloquia Dept.부산대 수학과 Lecturer장동훈
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  6. Global result for multiple positive radial solutions of p-Laplacian system on exterior domain

    Global result for multiple positive radial solutions of p-Laplacian system on exterior domain In this talk, we consider p-Laplacian systems with singular indefinite weights. Exploiting Amann type three solutions theorem for the singular syst...
    CategoryMath Colloquia Dept.부산대학교 Lecturer이용훈
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  7. 행렬, 행렬함수 그리고 행렬방정식 (Matrix, Matrix Functions and Matrix Equations)

    In this presentation, we introduce how matrices appeared in the history of mathematics and how they are used in today's fields. Also, we consider the necessary mathematics concepts to define the matrix functions. and the existence and conver...
    CategoryMath Colloquia Dept.부산대학교 수학과 Lecturer김현민
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  8. Mathematics, Biology and Mathematical Biology

    The 21st century is the age of life science. Two issues in the life sciences are that humans live long, healthy lives and maintain a steady state of the earth's ecosystems despite disturbances. In this talk, we will look at how mathematics i...
    CategoryMath Colloquia Dept.부산대학교 수학과 Lecturer정일효
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  9. Symplectic topology and mirror symmetry of partial flag manifolds

    Soon after Gromov’s applications of pseudo-holomorphic curves to symplectic topology, Floer invented an infinite-dimensional Morse theory by analyzing moduli spaces of pseudo-holomorphic curves to make substantial progress on Arnold&r...
    CategoryMath Colloquia Dept.부산대학교 수학과 Lecturer김유식
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  10. Q-curvature in conformal geometry

    In this talk, I will talk about the definition Q-curvature and some of its properties. Then I will talk about the problem of prescribing Q-curvature, especially I will explain the ideas of studying the problem using flow approach.
    CategoryMath Colloquia Dept.서강대 LecturerPak Tung Ho
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  11. Averaging formula for Nielsen numbers

    We will show that the averaging formula for Nielsen numbers holds for continuous maps on infra-nilmanifolds: Let M be an infra-nilmanifold with a holonomy group Phi and f : M -> M be a continuous map. Then N(f ) = 1/| Phi | Sum_{A in Phi} | ...
    CategoryMath Colloquia Dept.서강대학교 Lecturer이종범
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  12. Symmetry Breaking in Quasi-1D Coulomb Systems

    Symmetry Breaking in Quasi-1D Coulomb Systems
    CategoryMath Colloquia Dept.서강대학교 LecturerPaul Jung
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  13. Noncommutative Surfaces

    Many aspects of the differential geometry of embedded Riemannian manifolds, including curvature, can be formulated in terms of multi-linear algebraic structures on the space of smooth functions. For matrix analogues of embedded surfaces, one...
    CategoryMath Colloquia Dept.서강대학교 LecturerJens Hoppe
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  14. Regularity theory for non-autonomous elliptic equations in divergence form

    CategoryMath Colloquia Dept.서강대학교 Lecturer옥지훈
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  15. Elliptic equations with singular drifts in critical spaces

    CategoryMath Colloquia Dept.서강대학교 Lecturer김현석
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  16. Descent in derived algebraic geometry

    Among many different ways to introduce derived algebraic geometry is an interplay between ordinary algebraic geometry and homotopy theory. The infinity-category theory, as a manifestation of homotopy theory, supplies better descent results ...
    CategoryMath Colloquia Dept.서강대학교 Lecturer조창연
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  17. Entropy of symplectic automorphisms

    ※ 강연 뒷부분이 녹화되지 않았습니다. A symplectic manifold is a space with a global structure on which Hamiltonian equations are defined. A classical result by Darboux says that every symplectic manifold locally looks standard, so it has be...
    CategoryMath Colloquia Dept.서강대학교 Lecturer김준태
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  18. Integer partitions, q-series, and Modular forms

    In this talk, we briefly introduce how a combinatorial object, Integer partition, is related with number theoretic subjects : q-series and modular forms. In particular, we will focus on (1) combinatorial proof for q-series identities (2) ari...
    CategoryMath Colloquia Dept.서울과학기술 대학 Lecturer김병찬
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  19. On the distributions of partition ranks and cranks

    To explain Ramanujan's integer partition function congruences, Dyson's rank and Andrews-Garvan's crank have been introduced. The generating functions for these two partition statistics are typical examples of mock Jacobi forms and Jacobi for...
    CategoryMath Colloquia Dept.서울과학기술대학교 Lecturer김병찬
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  20. 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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