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Dr. Sayed-Ghahreman Taherian

Associate Professor of Department of Mathematical Sciences

مقالاتی از پروفسور هلموت کارتسل

برخی از مقالات پروفسور هلموت کارتسل

Classificatioon of General Absolute Geometries

Co-Minkowski spaces, their refection structure and K-loops

Webs with Rotation and Reflection Properties and their Relations with Certain Loops

Automorphisms of Symmetric and Double Symmetric Chain Structures

Binary operations derived from symmetric permutation sets and applications to absolute geometry

Left Loops, Bipartite Graphs with Parallelism and Bipartite Involution Sets

Webs Related to K-Loops and Reflection Structures

Properties of Auto- and Antiautomorphisms of Maximal Chain Structures and their Relations to i-Perspectivities

K-loops derived from Frobenius groups

Polar Graphs and Corresponding Involution Sets, Loops and Steiner Triple Systems

Point Symmetric 2-Structures

Vectorspacelike representation of absolute planes

Legendre-like Theorems in a General Absolute Geometry

The defect in an invariant reflection structure