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 More ArticlesJournal Papers 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