The holomorphy rings of planar ternary rings with rational prime field F. Kalhoff OriginalPaper Pages: 1 - 15
A construction of maximal modular subspaces in local deformation theory S. KosarewH. Stieber OriginalPaper Pages: 17 - 36
2-dimensional minkowski planes and desarguesian derived affine planes G. F. Steinke OriginalPaper Pages: 61 - 69
Hecke operators with respect to the modular group of quaternions A. Krieg OriginalPaper Pages: 71 - 85
Defining topological projective spaces and topological Grassmann spaces C. Zanella OriginalPaper Pages: 87 - 94
On the Piltz divisor problem with congruence conditions, II W. G. Nowak OriginalPaper Pages: 153 - 163
Real linear characters of theta groups and modular imbeddings for real quadratic fields H. Naganuma OriginalPaper Pages: 165 - 176
A deformation theory for non-isolated singularities T. De JongD. Van Straten OriginalPaper Pages: 177 - 208
A mean-value theorem on sums of two k-th powers of numbers in residue classes G. Kuba OriginalPaper Pages: 249 - 256
Topological ternary fields not belonging to a topological projective plane E. Eisele OriginalPaper Pages: 257 - 264