Articles

• Solutions to the $\sigma_k$-Loewner-Nirenberg Problem on Annuli are Locally Lipschitz and Not Differentiable

  Yanyan Li, Luc Nguyen

  123-141

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• Light Refraction is Nonlinear Optimisation

  Jiakun Liu, Xu-Jia Wang

  142-163

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• Regularity for Almost Convex Viscosity Solutions of the Sigma-2 Equation

  Ravi Shankar, Yu Yuan

  164-170

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• Regularity of Weak Solutions to a Class of Complex Hessian Equations on Kähler Manifolds

  Weimin Sheng, Jiaxiang Wang

  171-185

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• On the Positivity of Scattering Operators for Poincaré-Einstein Manifolds

  Fang Wang

  186-199

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• Graham-Witten's Conformal Invariant for Closed Four Dimensional Submanifolds

  Yongbing Zhang

  200-226

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