Indefinite Affine Umbilical Surfaces in \(R^4 \) L. VerstraelenL. VranckenP. Witowicz OriginalPaper Pages: 109 - 119
Blocking Sets of Type (1, k) in a Finite Projective Plane Mauro BiliottiEliana Francot OriginalPaper Pages: 121 - 141
Manifolds of Maps in Riemannian Foliations E. Macias-VirgósE. Sanmartín Carbón OriginalPaper Pages: 143 - 156
Compact Ovoids in Quadrangles II: the Classical Quadrangles Linus Kramer OriginalPaper Pages: 179 - 188