Postdoctoral Researcher, University of Bonn

Email: zemas AT iam.uni-bonn.de

Available papers (13):

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• A. Guerra - X. Lamy - K. Zemas (Comptes Rendus Mathématiques, L'Académie des Sciences)
  On the existence of degenerate solutions of the two-dimensional H-system (2025)
• A. Guerra - X. Lamy - K. Zemas (Submitted Paper)
  Global minimality of the Hopf map in the Faddeev-Skyrme model with large coupling constant (2025)
• A. Tribuzio - K. Zemas (Calculus of Variations and Partial Differential Equations)
  Energy barriers for boundary nucleation in a two-well model without gauge invariances (2025)
• A. Guerra - X. Lamy - K. Zemas (Trans. Amer. Math. Soc.)
  Sharp quantitative stability of the Möbius group among sphere-valued maps in arbitrary dimension (2025)
• M. Friedrich - L. Kreutz - K. Zemas (Preprint)
  Derivation of Kirchhoff-type plate theories for elastic materials with voids (2025)
• M. Friedrich - L. Kreutz - K. Zemas (Math. Models Methods Appl. Sci. (M3AS))
  Derivation of effective theories for thin 3D nonlinearly elastic rods with voids (2024)
• M. Friedrich - L. Kreutz - K. Zemas (Accepted Paper: Ann. Inst. H. Poincaré Anal. Non Linéaire (C))
  Geometric rigidity in variable domains and derivation of linearized models for elastic materials with free surfaces (2024)
• L. Scardia - K. Zemas - C. I. Zeppieri (Probab. Theory Relat. Fields)
  Homogenisation of nonlinear Dirichlet problems in randomly perforated domains under minimal assumptions on the size of perforations (2024)
• A. Guerra - X. Lamy - K. Zemas (Submitted Paper)
  Optimal Quantitative Stability of the Möbius group of the sphere in all dimensions (2023)
• S. Luckhaus - K. Zemas (Inventiones mathematicae)
  Rigidity estimates for isometric and conformal maps from $\mathbb{S}^{n-1}$ to $\mathbb{R}^n$ (2022)
• J. Hirsch - K. Zemas (Bulletin of the London Mathematical Society)
  A note on a rigidity estimate for degree $\pm 1$ conformal maps on $\mathbb{S}^2$ (2022)
• L. Kreutz - M. Friedrich - K. Zemas (Nonlinearity)
  From atomistic systems to linearized continuum models for elastic materials with voids (2022)
• K. Zemas (Ph.D. Thesis)
  Geometric rigidity estimates for isometric and conformal maps from $\mathbb{S}^{n−1}$ to $\mathbb{R}^n$ (2020)

Speaker:

• 21 feb 2024 - 23 feb 2024: Variational models in Materials Science-II
• 31 jan 2024 - 2 feb 2024: Calculus of Variations in Siena
• 5 jun 2023 - 9 jun 2023: Vito Volterra Meeting 2023 in Calculus of Variations

Organizer:

• 12 sep 2022 - 16 sep 2022: Summerschool on Analysis and Applied Mathematics