Kragujevac Journal of Mathematics Vol. 35 No.2 (2011)


Preface

Author: Editorial Board
Keyword:
download
201

Professor Dr Svetislav M. Minčić-his contribution to Differential geometry

Author: Mileva Prvanović
Keyword:
download
203-208

Invariant structures on the 6-dimensional generalized Heisenberg group

Author: Vitaly V. Balashchenko
Keyword: Almost Hermitian structure, $G_1$-structure, Invariant $f$-structure, Nearly Kähler $f$-structure, Homogeneous $k$-symmetric space, Generalized Heisenberg group
download
209-222

On hypersurfaces in space forms satisfying particular curvature conditions of Tachibana type

Author: R. Deszcz, M. Glogowska, M. Plaue, K. Sawicz, M. Scherfner
Keyword: Pseudosymmetry-type manifolds, Hypersurfaces, Tachibana tensors
download
223-247

Higher-dimensional central projection into 2-plane with visibility and applications

Author: J. Katona, E. Molnár, I. Prok, J. Szirmai
Keyword: Projective spherical space, Central projection in higher dimensions, Visibility algorithm, Non-Euclidean geometries by projective metrics
download
249-263

Derivational equations of submanifolds in an asymmetric affine connection space

Author: Svetislav M. Minčić
Keyword: Derivational equations, Submanifold, Space with asymmetric affine connection, Induced connection, Pseudonormal submanifold
download
265-276

Commutation formulas for $delta$-differentiation in a generalized Finsler space

Author: Svetislav M. Minčić, Miljan Lj. Zlatanović
Keyword: Generalized Finsler spaces, Ricci type identities, Covariant derivative, Non-symmetric connection, Curvature tensor, Curvature pseudotensor
download
277-289

On scalar and total scalar curvatures of Riemann-Cartan manifolds

Author: Sergey Stepanov, Irina Tsyganok, Josef Mikeš
Keyword: Riemann-Cartan manifold, Scalar and complete scalar curvature, Vanishing theorems
download
291-301

Four series of hyperbolic space groups with simplicial domains, and their supergroups

Author: Milica Stojanović
Keyword: Hyperbolic space group, Fundamental domain, Simplex, Trunc-simplex, Poincarè algorithm, Symmetries
download
303-315

Some geometrical comments on vision and neurobiology

Author: Bart Ons, Paul Verstraelen
Keyword: Sensation, Perception, Human vision, Helmholtz's brightness illusion, Psychophysics, Casorati curvature
download
317-325

Representation of the Lorentz transformations in 6-dimensional space-time

Author: Kostadin Trenčevski
Keyword: Lorentz transformations, Space-time, Cosmological model
download
327-340