1. On the boundary injectivity radius of Buser–Colbois–Dodziuk-Margulis tubes

   • Luca F. Di Cerbo

   OriginalPaper 06 January 2021 Pages: 285 - 295

2. Two-step homogeneous geodesics in pseudo-Riemannian manifolds

   • Andreas Arvanitoyeorgos
   • Giovanni Calvaruso
   • Nikolaos Panagiotis Souris

   OriginalPaper 18 January 2021 Pages: 297 - 317

3. Embeddedness, convexity, and rigidity of hypersurfaces in product spaces

   • Ronaldo Freire de Lima

   OriginalPaper 29 January 2021 Pages: 319 - 344

   

4. A shape optimization problem for the first mixed Steklov–Dirichlet eigenvalue

   • Dong-Hwi Seo

   OriginalPaper 01 February 2021 Pages: 345 - 365

   

5. Completeness in affine and statistical geometry

   • Barbara Opozda

   OriginalPaper Open access 10 February 2021 Pages: 367 - 383

6. Resolution of four-dimensional symplectic orbifolds

   • Lucía Martín-Merchán
   • Juan Rojo

   OriginalPaper 17 February 2021 Pages: 385 - 416