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Welcome to Dr. Gholam Reza Omidi

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Office : Room 98, Department of Mathematical Sciences Email : romidi@cc.iut.ac.ir Phone : +98 311 3913649 Fax : +98 311 3912602 Web Site : Gholam Reza

Associate Professor in Isfahan University of Technology
Senior Associate Researcher in IPM-Isfahan (IPMI)

Research Fields : Graph Theory and Combinatorics

Algebraic Graph Theory

The Probabilistic Method in Combinatorics

Teaching

Recent Publications

G.R. Omidi, G. Raeisi and Z. Rahimi, Stars versus stripes Ramsey numbers, European J. Combin. 67 (2018) 268--274.

R. Javadi, A. Khodadadpour and G.R. Omidi, Decompositions of complete uniform multi-hypergraphs into Berge paths and cycles of arbitrary lengths, J. Graph Theory

E.R. van Dam and G.R. Omidi, Directed strongly walk-regular graphs, J. Algebraic Combin.

A. Khamseh and G.R. Omidi, A generalization of Ramsey theory for stars and one matching, Math. Reports 19 (2017) 85-92.

G.R. Omidi and M. Shahsiah, Ramsey numbers of $4$-uniform loose cycles, Discrete Appl. Math. 230 (2017) 112--120.

A. L. Maherani and G.R. Omidi, Monochromatic Hamiltonian Berge-cycles in colored hypergraphs, Discrete Math. 340 (2017) 2043-2052.

G.R. Omidi and M. Shahsiah, Diagonal Ramsey numbers of loose cycles in uniform hypergraphs, SIAM J. Discrete Math. 31 (2017) 1634-1669.

G.R. Omidi and M. Shahsiah, Ramsey numbers of uniform loose paths and cycles, Discrete Math. 340 (2017) 1426-1434.

S. Ashkboos, G.R. Omidi, F. Shafei and K. Tajbakhsh, Minimum cuts of distance-regular digraphs, Electron. J. Combin. 24 (2017), #P4.2

H. Chuang, H.-J. Lai, G. R. Omidi and N. Zakeri, On group choosability of graphs I, Ars Combin. 126 (2016), 195--209

G.R. Omidi, A spectral excess theorem for normal digraphs, J. Algebraic Combin. 42 (2015), 537--554.

L. Maherani, G.R. Omidi, G. Raeisi and M. Shahsiah, On three-color Ramsey number of paths, Graphs Combin 31 (2015) 2299-2308

H. Chuang, H.-J. Lai, G. R. Omidi, Keke Wang and N. Zakeri, On group choosability of graphs II, Graphs Combin. 30 (2014), 549--563.

G.R. Omidi and M. Shahsiah, Ramsey numbers of 3-uniform loose paths and loose cycles, J. Combin. Theory Ser A. 121 (2014) 64-73.

F. Ashraf, G.R. Omidi and B. Tayfeh-Rezaie, On the sum of signless Laplacian eigenvalues of a graph, Linear Algebra Appl. 438 (2013) 4539-4546.

E.R. van Dam and G.R. Omidi, Strongly walk-regular graphs, J. Combin. Theory Ser. A 120 (2013) 803–810.

L. Maherani, G.R. Omidi, G. Raeisi and M. Shahsiah, The Ramsey number of loose paths in 3-uniform hypergraphs, Electron. J. Combin. 20(1) (2013), #P12

H.-J. Lai, G.R. Omidi and G. Raeisi, On group choosability of total graphs, Graphs Combin. 29 (2013) 585-597.

G.R. Omidi and M. Shahsia, On the choice number of packings, J. Combin. Des. 20 (2012), 504-507.

A. Khamseh and G. R. Omidi, A generalization of Ramsey theory for linear forests, Int. J. Comput. Math.89 (2012), 1303-1310.

G.R. Omidi, 3-Designs and Large Sets of PSL(2; 2n) with Block Sizes 6, Ars Combin 94 (2010), 3–11..