taherian@iut.ac.ir Office Isfahan Univ. of Tech. Dept. of math. sci. Room96 Phone +98 31-33913651 Fax +98 31-33912602 Positions Associate Professor of Department of Mathematical Sciences Research Interests Fundations of Geometry Quasi Groups type: Journal Title DOI type Optimal antiblocking systems of information sets for the binary codes related to triangular graphs 10.3934/amc.2020107 Journal Examples of Groups with Collinearity 10.1007/s40995-020-00889-1 Journal Properties of Reflection Geometries and the Corresponding Group Spaces 10.1007/s00025-019-1024-9 Journal A new solution of Apollonius' problem based on stereographic projections of M?bius and Laguerre planes 10.1007/s13366-019-00434-1 Journal Degenerate Forms of Miquel Axiom and Dilatations in Benz Planes 10.1007/s00025-018-0884-8 Journal Groups with a ternary equivalence relation 10.1007/s00010-018-0543-x Journal Discontinuity modelling and rock block geometry identification to optimize production in dimension stone quarries # Journal A new quality factor for the building stone industry a case study of stone blocks slabs and tiles # Journal Elliptic reflection spaces # Journal How to Determine the Appropriate Methods for Identifying the Geometry of In Situ Rock Blocks in Dimension Stones # Journal