On a functional equation based upon a result of Gaspard Monge Claudi AlsinaMaciej SablikJustyna Sikorska Original Paper Pages: 1 - 6
On totally geodesic foliations with bundle-like metric Aurel BejancuHani Reda Farran Original Paper Pages: 7 - 14
Antipodality in hyperbolic space Károly BezdekMárton NaszódiDeborah Oliveros Original Paper Pages: 22 - 31
A characterization of the Corrado Segre variety Eva Ferrara DenticePia Maria Lo Re Original Paper Pages: 42 - 48
The convolution of a partial Steiner triple system and a group Małgorzata PrażmowskaKrzysztof Prażmowski Original Paper Pages: 90 - 109
Extended parallelity in spine spaces and its geometry Krzysztof PrażmowskiMariusz Żynel Original Paper Pages: 110 - 137
Maximal partial spreads in PG (3, q) Sandro RajolaMaria Scafati Tallini Original Paper Pages: 138 - 148
On mappings preserving equilateral triangles in normed spaces Justyna SikorskaTomasz Szostok Original Paper Pages: 149 - 156
Statistical manifolds with almost contact structures and its statistical submersions Kazuhiko Takano Original Paper Pages: 171 - 187
A discrete form of the Beckman-Quarles theorem for mappings from \({\mathbb{R}}^{{\text{2}}} {\left( {{\mathbb{C}}^{{\text{2}}} } \right)}\) to \({\mathbb{F}}^{{\text{2}}},\) where \({\mathbb{F}}\) is a subfield of a commutative field extending \({\mathbb{R}}({\mathbb{C}})\) Apoloniusz Tyszka Original Paper Pages: 188 - 199
