Submitted

M.R. Bidgoli, A. Mohammadian, B. Tayfeh-Rezaie and M. Zhukovskii, Threshold for weak saturation stability. (pdf)

 

To appear

 

2022

S. Suda, H. Kharaghani and B. Tayfeh-Rezaie, Disjoint weighing matrices, J. Algebraic Combin. 55 (2022), 27-41. (pdf)

2021

 M.R. Bidgoli, A. Mohammadian and B. Tayfeh-Rezaie, On K_{2,t}-bootstrap percolation, Graphs Combin. 37 (2021), 731-741.  (pdf)

 M.R. Bidgoli, A. Mohammadian and B. Tayfeh-Rezaie, Percolating sets in bootstrap percolation on the Hamming graphs and triangular graphs, European J. Combin. 92 (2021), 103256, 16 pp. (pdf)


2020

A. Hanaki,  H. Kharaghani, A. Mohammadian and B. Tayfeh-Rezaie, Classification of skew-Hadamard matrices of order 32 and association schemes of order 31, J. Combin. Des. 28 (2020), 421-427.  (pdf)

 

2019

A. Mohammadian and B. Tayfeh-Rezaie, Hadamard matrices with few distinct types, Linear Multilinear Algebra 67 (2019), 1596-1605. (pdf)


2018

A. Mohammadian and B. Tayfeh-Rezaie, Star saturation number of random graphs, Discrete Math. 341 (2018), 1166-1170. (pdf)


2016

B. Mohar, A. Rafiey, B. Tayfeh-Rezaie and H. Wu, Interval minors of complete bipartite graphs, J. Graph Theory 82 (2016), 312-321. (pdf)

E. Ghorbani, A. Mohammadian and B. Tayfeh-Rezaie, Integral trees with given nullity, Discrete Math. 339 (2016), 157-164. (pdf)

 

2015

E. Ghorbani, A. Mohammadian and B. Tayfeh-Rezaie, On order and rank of graphs, Combinatorica 35 (2015), 655-668. (pdf)

A. Mohammadian and B. Tayfeh-Rezaie, A note on order and eigenvalue multiplicity of strongly regular graphs, in: Algebraic Design Theory and Hadamard Matrices, (Charles Colbourn, Editor), Springer Proceedings in Mathematics & Statistics, 133, Springer, Cham, 2015, pp 209--212.(pdf)

B. Mohar and B. Tayfeh-Rezaie, Median eigenvalues of bipartite graphs, J. Algebraic Combin. 41 (2015), 899-909. (pdf)

E. Ghorbani, A. Mohammadian and B. Tayfeh-Rezaie, Maximum order of triangle-free graphs with a given rank, J. Graph Theory 79 (2015), 145-158. (pdf)

 

2014

A. Mohammadian and B. Tayfeh-Rezaie, On a family of diamond-free strongly regular graphs, SIAM J. Discrete Math. 28 (2014), 1906-1915. (pdf)

F. Ramezani and B. Tayfeh-Rezaie, Graphs with prescribed star complement for 1 as the second largest eigenvalue, Ars Combin. 116 (2014), 129-145. (pdf)

F. Ashraf and B. Tayfeh-Rezaie, Nordhaus-Gaddum type inequalities for Laplacian and signless Laplacian eigenvalues,
Electron. J. Combin.
21 (2014), P3.6.  (pdf)

 

2013

H. Kharaghani and B. Tayfeh-Rezaie, Hadamard matrices of order 32, J. Combin. Des. 21 (2013), 212-221.  (pdf)

 

2012

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. (pdf)

 F. Ramezani and B. Tayfeh-Rezaie, Spectral characterization of some cubic graphs, Graphs Combin. 28 (2012), 869876. (pdf)

E. Ghorbani, A. Mohammadian and B. Tayfeh-Rezaie, Maximum order of trees and bipartite graphs with a given rank,
Discrete Math.
312 (2012), 3498-3501. (pdf)

E. Ghorbani, A. Mohammadian and B. Tayfeh-Rezaie, Integral trees of odd diameters,  J. Graph Theory 70 (2012), 332-338. (pdf)

 

2011

A. Mohammadian and B. Tayfeh-Rezaie, Graphs with four distinct Laplacian eigenvalues, J. Algebraic Combin. 34 (2011), 671-682. (pdf)

A. Mohammadian and B. Tayfeh-Rezaie, Some constructions of integral graphs, Linear Multilinear Algebra 59 (2011), 1269-1279. (pdf)

F. Ayoobi, G. R. Omidi and B. Tayfeh-Rezaie, A note on graphs whose signless Laplacian has three distinct eigenvalues, Linear Multilinear Algebra 59
(
2011), 701-706. (pdf)

 

2010

R. Laue, G. R. Omidi and B. Tayfeh-Rezaie, Large sets of t-designs from t-homogeneous groups, Ars Combin. 97
(
2010), 333-342. (ps, pdf)

A. Mohammadian and B. Tayfeh-Rezaie, The spectrum of the McKay-Miller-Siran graphs, Contemporary Mathematics, 531, American Mathematical Society, Providence, RI, 2010, pp. 197-199. (pdf)

H. Kharaghani and B. Tayfeh-Rezaie, On the classification of Hadamard matrices of order 32, J. Combin. Des. 18
(2010), 328336. (pdf)

A. Mohammadian and B. Tayfeh-Rezaie, A short proof of a theorem of Bang and Koolen, European J. Combin. 31
(2010), 1461-1463. (pdf)

W.H. Haemers, A. Mohammadian and B. Tayfeh-Rezaie, On the sum of Laplacian eigenvalues of graphs, Linear Algebra Appl. 432
(2010), 2214-2221. (pdf)

P. Rowlinson and B. Tayfeh-Rezaie, Star complements in regular graphs: old and new results, Linear Algebra Appl. 432
(2010), 2230-2242. (pdf)

 

2009

F. Ramezani, N. Broojerdian and B. Tayfeh-Rezaie, A note on the spectral characterization of theta-graphs, Linear Algebra Appl. 431
(2009), 626-632. (ps, pdf)

G. B. Khosrovshahi and B. Tayfeh-Rezaie, Classification of simple 2-(11,3,3) designs, Discrete Math. 309 (2009),
515-520. (ps, pdf)

G. B. Khosrovshahi and B. Tayfeh-Rezaie, Trades and t-designs, in Surveys in Combinatorics 2009 (eds. S. Huczynska, C. M. Roney-Dougal, J. D. Mitchell), Lond. Math. Soc. Lecture Notes Ser., 365, Cambridge University Press, Cambridge (2009), pp 91-112. (ps, pdf)

 

2008

N. Ghareghani, F. Ramezani and B. Tayfeh-Rezaie, Graphs cospectral to starlike trees, Linear Algebra Appl. 429 (2008),
2691-1701. (ps, pdf)

H. Kharaghani and B. Tayfeh-Rezaie, On the energy of (0,1)-matrices, Linear Algebra Appl. 429 (2008),
2046-2051. (ps, pdf)

M. Behbahani, G. B. Khosrovshahi, and B. Tayfeh-Rezaie, On the spectrum of simple T(2,3,v) trades, J. Statist. Plann. Inference. 138 (2008),
2236-2242. (ps, pdf)

W. H. Holzmann, H. Kharaghani and B. Tayfeh-Rezaie, Williamson matrices up to order 59,
Des. Codes Cryptogr.
46 (2008), 343-352. (ps, pdf)

W. H. Holzmann, H. Kharaghani, and B. Tayfeh-Rezaie, All triples for orthogonal designs of  order 40,
Discrete Math.
308 (2008), 2796-2801. (ps, pdf)

 

2007

R. Laue, G. R. Omidi, B. Tayfeh-Rezaie and A. Wassermann, New large sets of t-designs with prescribed groups of automorphisms,
J. Combin. Des.
15 (2007), 210-220. (ps, pdf)

N. Ghareghani, G. R. Omidi and B. Tayfeh-Rezaie, Spectral characterization of graphs with index at most $\sqrt{2+\sqrt{5}}$,
Linear Algebra Appl. 420 (2007), 483-489. (ps, pdf)

S. Georgiou, W. H. Holzmann, H. Kharaghani and B. Tayfeh-Rezaie, Three variable full orthogonal designs of  order 56,
J. Statist. Plann. Inference. 137 (2007), 611-618. (ps, pdf)

G. R. Omidi, M. R. Pournaki and B. Tayfeh-Rezaie, 3-Designs with block size 6 from PSL(2,q) and their large sets,
Discrete Math.
307 (2007), 1580-1588. (ps, pdf)

 

2006

B. Tayfeh-Rezaie, Yet another quick proof that K10 \not= P+P+P, Bull. Inst. Combin. Appl.  48 (2006), 119-120. (ps, pdf)

P. J. Cameron, G. R. Omidi  and B. Tayfeh-Rezaie, 3-Designs from PGL(2,q), Electron. J. Combin. 13 (2006). (ps, pdf)

G. B. Khosrovshahi  and B. Tayfeh-Rezaie, Large sets of t-designs through partitionable sets: A survey, Discrete Math. 
306 (2006), 2993-3004. (ps, pdf)

P. J. Cameron, H. R. Maimani, G. R. Omidi  and B. Tayfeh-Rezaie, 3-Designs from PSL(2,q), Discrete Math. 
306 (2006), 3063-3073.  (ps, pdf)

 

2005

G. B. Khosrovshahi, R. Laue and B. Tayfeh-Rezaie, On large sets of  t-designs of size four, Bayreuth. Math. Schr.  No. 74  (2005),
136-144. (ps, pdf)

H. Kharaghani and B. Tayfeh-Rezaie,  A Hadamard matrix of order 428, J. Combin. Des. 13 (2005), 435-440.  (pdf)

B. Tayfeh-Rezaie, On the existence of large sets of t-designs of prime sizes, Des. Codes Cryptogr., 37 (2005), 143-149. (ps, pdf)

W. H. Holzmann, H. Kharaghani, Jennifer Seberry and B. Tayfeh-Rezaie, On orthogonal designs in order 48,
J. Statist. Plann. Inference
., 128 (2005),  311-325.  (ps, pdf)

 

2004

Ziba Eslami, G. B. Khosrovshahi, M. M-Noori, and B. Tayfeh-Rezaie, Some new 4-designs,  Ars Combin. 73 (2004),  225-229. (ps, pdf)

G. B.  Khosrovshahi and B. Tayfeh-Rezaie, Some indecomposable t-designs,  Des. Codes Cryptogr. 32 (2004), 235-238. (ps, pdf)

H. Kharaghani and B. Tayfeh-Rezaie, Some new orthogonal designs in orders 32 and 40, Discrete Math.  279 (2004),  317-324. (ps, pdf)

 

2003

M. Mohammad-Noori and B. Tayfeh-Rezaie, Backtracking algorithm for finding t-designs, J. Combin. Des. 11 (2003), 240-248. (ps, pdf)

G. B. Khosrovshahi and B. Tayfeh-Rezaie, Root cases of large sets of t-designs, Discrete Math. 263 (2003), 143-155. (ps, pdf)

G. B. Khosrovshahi and B. Tayfeh-Rezaie, Some results on the existence of large sets of t-designs, J. Combin. Des. 11 (2003),
144-151. (ps, pdf)

 

2002

G. B. Khosrovshahi, M. Mohammad-Noori, and B. Tayfeh-Rezaie, Classification of 6-(14,7,4) designs with nontrivial automorphism groups,
J. Combin. Des.
10 (2002), 180-194. (ps, pdf)

 

2001

G. B. Khosrovshahi, Ch. Maysoori, and B. Tayfeh-Rezaie, A note on 3-factorizations of K_{10}, J. Combin. Des. 9 (2001), 379-383. (ps, pdf)

Z. Eslami, G. B. Khosrovshahi, and B. Tayfeh-Rezaie, On classification of 2-(8,3) and 2-(9,3) trades,
J. Combin. Math. Combin. Comput.
 38 (2001), 231-242.

G. B. Khosrovshahi and B. Tayfeh-Rezaie, A new proof of a classical theorem in design theory, J. Combin. Theory Ser. A 93 (2001), 391-396.

G. B. Khosrovshahi, R. Naserasr, and B. Tayfeh-Rezaie, Ternary trades and their codes, J. Statist. Plann. Inference 95 (2001),
237-243. (ps, pdf)

 

2000

Z. Eslami, G. B. Khosrovshahi, and B. Tayfeh-Rezaie, On halvings of the 2-(10,3,8) design,  J. Statist. Plann. Inference 86 (2000),
411-419. (ps, pdf)

 

1999

B. Tayfeh-Rezaie, Some infinite families of large sets of t-designs, J. Combin. Theory Ser. A  87 (1999), 239-245. (ps, pdf)

Z. Eslami and B. Tayfeh-Rezaie, On 2-(v,3) trades of minimum volume, Australas. J. Combin. 19 (1999), 239-251. (ps, pdf)

 

Preprints

M. Behbahani, G. B. Khosrovshahi  and B. Tayfeh-Rezaie, Reed-Muller codes and incidence matrices. (ps, pdf)