Reducibility of homogeneous Riemannian structures of the class ℐ3 in low dimension Anna Maria Pastore OriginalPaper Pages: 121 - 136
What can we do with only a pair of rusty compasses? Zhang JingzhongYang LuHou Xiaorong OriginalPaper Pages: 137 - 150
On maximal surfaces in the n-dimensional Lorentz-Minkowski space Francisco J. M. EstudilloAlfonso Romero OriginalPaper Pages: 167 - 174
21-neighbour packing of equal balls in the 4-dimensional Euclidean space László Szabó OriginalPaper Pages: 193 - 197
Maximum length of steepest descent curves for quasi-convex functions Paolo ManselliCarlo Pucci OriginalPaper Pages: 211 - 227
Conical flocks, partial flocks, derivation, and generalized quadrangles S. E. PayneJ. A. Thas OriginalPaper Pages: 229 - 243