Harmonic Map Reading Seminar

Schedule

  • Organizational meeting and introduction (Zhihan, April 15). Notes. Video.

  • Regularity theory of minimizing harmonic map (Anna, May 2). Notes. Video.

  • Regularity theory of minimizing harmonic map (Anna, May 9). Notes. Video.

  • Regularity theory of weak and stationary harmonic map (Sanghoon, May 24). Notes. Video.

  • Regularity theory of weak and stationary harmonic map (Sanghoon, May 29). Notes. Video.

  • Blow up analysis of stationary harmonic maps (Aditya, June 07). Notes. Video.

  • Harmonic map heat flow into NPC manifolds (Ben, June 21). Notes. Video.

  • Bubbling analysis for 2D harmonic maps and heat flows (Dongyeong, July 05). Notes. Video.

  • Bubbling analysis for 2D harmonic maps and heat flows (Dongyeong, July 12). Notes. Video.

  • Partial regularity of harmonic map heat flow in higher dimensions (Letian, July 19). Notes. Video.

  • Blow up analysis of harmonic map heat flow (Yangyang, July 26). Notes. Video.

  • Blow up analysis of harmonic map heat flow (Yangyang, Aug 02). Notes. Video.

  • Dynamics of defect measure of harmonic map heat flow (Zhihan, Aug 09). Notes. Video.

  • Energy Quantization of harmonic map heat flow (Zhihan, Aug 16). Notes. Video.

References

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  • Calabi, E. (1967). Minimal immersions of surfaces in Euclidean spheres. Journal of Differential Geometry, 1(1-2), 111-125.

  • Chang, K. C., Ding, W. Y., & Ye, R. (1992). Finite-time blow-up of the heat flow of harmonic maps from surfaces. Journal of Differential Geometry, 36(2), 507-515.

  • Chen, Y., & Struwe, M. (1989). Existence and partial regularity results for the heat flow for harmonic maps. Mathematische Zeitschrift, 201(1), 83-103.

  • Dávila, J., Del Pino, M., & Wei, J. (2020). Singularity formation for the two-dimensional harmonic map flow into $S^ 2$. Inventiones mathematicae, 219(2), 345-466.

  • Guest, M. A. (1997). Harmonic maps, loop groups, and integrable systems (Vol. 38). Cambridge University Press.

  • Hélein, F., & Wood, J. C. (2008). Harmonic maps. Handbook of global analysis, 1213, 417-491.

  • Karpukhin, M., Nadirashvili, N., Penskoi, A. V., & Polterovich, I. (2021). An isoperimetric inequality for Laplace eigenvalues on the sphere. Journal of Differential Geometry, 118(2), 313-333.

  • Karpukhin, M. (2021). Index of minimal spheres and isoperimetric eigenvalue inequalities. Inventiones mathematicae, 223(1), 335-377.

  • Lin, F., & Wang, C. (2008). The analysis of harmonic maps and their heat flows. World Scientific.

  • Micallef, M. J., & Moore, J. D. (1988). Minimal two-spheres and the topology of manifolds with positive curvature on totally isotropic two-planes. Annals of Mathematics, 127(1), 199-227.

  • Moore, J. (2006). Bumpy metrics and closed parametrized minimal surfaces in Riemannian manifolds. Transactions of the American Mathematical Society, 358(12), 5193-5256.

  • Naber, A., & Valtorta, D. (2017). Rectifiable-Reifenberg and the regularity of stationary and minimizing harmonic maps. Annals of Mathematics, 185(1), 131-227.

  • Schoen, R., & Yau, S. T. (1979). Compact group actions and the topology of manifolds with non-positive curvature. Topology, 18(4), 361-380.

  • Schoen, R. M., & Yau, S. T. (1997). Lectures on harmonic maps (Vol. 2). Amer Mathematical Society.

  • Struwe, M. (1988). On the evolution of harmonic maps in higher dimensions. Journal of differential geometry, 28(3), 485-502.

  • Wolf, M. (1989). The Teichmüller theory of harmonic maps. Journal of differential geometry, 29(2), 449-479.

  • Wolf, M. (1991). Infinite energy harmonic maps and degeneration of hyperbolic surfaces in moduli space. Journal of differential Geometry, 33(2), 487-539.