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Two-step homogeneous geodesics in pseudo-Riemannian manifolds Andreas ArvanitoyeorgosGiovanni CalvarusoNikolaos Panagiotis Souris OriginalPaper 18 January 2021 Pages: 297 - 317
Embeddedness, convexity, and rigidity of hypersurfaces in product spaces Ronaldo Freire de Lima OriginalPaper 29 January 2021 Pages: 319 - 344
A shape optimization problem for the first mixed Steklov–Dirichlet eigenvalue Dong-Hwi Seo OriginalPaper 01 February 2021 Pages: 345 - 365
Completeness in affine and statistical geometry Barbara Opozda OriginalPaper Open access 10 February 2021 Pages: 367 - 383
Resolution of four-dimensional symplectic orbifolds Lucía Martín-MerchánJuan Rojo OriginalPaper 17 February 2021 Pages: 385 - 416