2022/02/20 by Hojoo Lee, Lee, Hojoo
Mathematics · Physics and Astronomy · #53A10 #53C42 #Analysis of PDEs (math.AP) #Black Holes and Theoretical Physics #Differential Geometry (math.DG) #FOS: Mathematics #Geometric Analysis and Curvature Flows #Geometry and complex manifolds
paper · pdf · doi:10.48550/arxiv.2202.09800
openalex publication_date 2022/02/20 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We construct new integrable systems to present Weierstrass type representations for spacelike surfaces whose mean curvature vector H satisfies the null condition ⟨ H, H ⟩=0 in the four dimensional Lorentz-Minkowski space \mathbbL4. Our new Weierstrass presentations extend simultaneously classical Weierstrass representations (of the first kind and the second kind) for maximal surfaces in \mathbbL3 and minimal surfaces in ℝ3. We solve a linear partial differental equation to construct explicit examples of marginally trapped surfaces with nowhere vanishing mean curvature vector.