A Helly-Type Theorem for Intersections of Compact Connected Sets in the Plane Marilyn Breen OriginalPaper Pages: 111 - 117
Partitions of Three-Dimensional Pappian Projective Spaces by Ovoidal Quadrics Günter Heimbeck OriginalPaper Pages: 119 - 127
Homogeneity for Surfaces in Four-Dimensional Vector Space Geometry Rolf Walter OriginalPaper Pages: 129 - 178
Tensor Fields of Type (0, 2) on the Tangent Bundle of a Riemannian Manifold Maria del Carmen CalvoGuillermo G. R. Keilhauer OriginalPaper Pages: 209 - 219