مقالات علمی چاپ شده در مجلات
-
"On the Chromatic Number of Matching Kneser Graphs"
Meysam Alishahi,
Hossein Hajiabolhassan
COMBINATORICS PROBABILITY and COMPUTING,
Vol. 29,
pp.1-21,
2020
-
"On chromatic number and minimum cut"
Meysam Alishahi,
Hossein Hajiabolhassan
JOURNAL OF COMBINATORIAL THEORY SERIES B,
Vol. 139,
pp.29-46,
2019
-
"A generalization of Gales lemma"
Meysam Alishahi,
Hossein Hajiabolhassan
JOURNAL OF GRAPH THEORY,
Vol. 88,
pp.337-346,
2018
-
"Chromatic number of random Kneser hypergraphs"
Meysam Alishahi,
Hossein Hajiabolhassan
JOURNAL OF COMBINATORIAL THEORY SERIES A,
Vol. 154,
pp.1-20,
2018
-
"Strengthening topological colorful results for graphs"
Meysam Alishahi,
Hossein Hajiabolhassan,
Frédéric Meunier
EUROPEAN JOURNAL OF COMBINATORICS,
Vol. 64,
pp.27-44,
2017
-
"Chromatic number via Turan number"
Meysam Alishahi,
Hossein Hajiabolhassan
DISCRETE MATHEMATICS,
Vol. 340,
pp.2366-2377,
2017
-
"Hedetniemi s conjecture for Kneser hypergraphs"
Hossein Hajiabolhassan,
Frédéric Meunier
JOURNAL OF COMBINATORIAL THEORY SERIES A,
Vol. 143,
pp.42-55,
2016
-
"On the chromatic number of general Kneser hypergraphs"
Meysam Alishahi,
Hossein Hajiabolhassan
JOURNAL OF COMBINATORIAL THEORY SERIES B,
Vol. 115,
pp.186-209,
2015
-
"On the Circular Chromatic Number of Graph Powers"
Hossein Hajiabolhassan
JOURNAL OF GRAPH THEORY,
Vol. 75,
pp.48-58,
2014
-
"some new bounds for cover- free families through bicliqe covers"
Hossein Hajiabolhassan,
DISCRETE MATHEMATICS,
Vol. 312,
pp.3626-3635,
2012
-
"Secure Frameproof Codes Through Biclique Covers"
Hossein Hajiabolhassan,
Farokh lagha Moazami Goodarzi
DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE,
Vol. 14,
pp.261-270,
2012
-
"Secure Frameproof Code Through Biclique Cover"
Hossein Hajiabolhassan,
DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE,
Vol. 14,
pp.261-270,
2012
-
"A generalization of Kneser s conjecture"
Hossein Hajiabolhassan
DISCRETE MATHEMATICS,
Vol. 311,
pp.2663-2668,
2011
-
"On the isoperimetric spectrum of graphs and its approximations"
,
Hossein Hajiabolhassan,
JOURNAL OF COMBINATORIAL THEORY SERIES B,
Vol. 100,
pp.390-412,
2010
-
"on the complexty of unique list of colourability and the fixing number of graphs"
Hossein Hajiabolhassan,
ARS COMBINATORIA,
Vol. 97,
pp.301-319,
2010
-
"graph powers and graph homomorphisms"
Hossein Hajiabolhassan,
ELECTRONIC JOURNAL OF COMBINATORICS,
Vol. 17,
2010
-
"on connected colourings of graphs"
,
Hossein Hajiabolhassan,
navid hamedazimi
ARS COMBINATORIA,
Vol. 89,
2009
-
"on colorings of graph powers"
Hossein Hajiabolhassan
DISCRETE MATHEMATICS,
Vol. 309,
pp.4299-4305,
2009
-
"on the b- chromatic number of kneser graphs"
Hossein Hajiabolhassan
DISCRETE APPLIED MATHEMATICS,
Vol. 158,
pp.232-234,
2009
-
"a generalization of the erdos -ko- rado theorem"
,
Hossein Hajiabolhassan,
DISCRETE MATHEMATICS,
Vol. 310,
pp.188-191,
2009
-
"bounds for visual cryptography schemes"
Hossein Hajiabolhassan,
DISCRETE APPLIED MATHEMATICS,
Vol. 158,
pp.659-665,
2009
-
"On conected colourings of graphs"
,
Hossein Hajiabolhassan,
ARS COMBINATORIA,
Vol. 89,
pp.1-10,
2008
-
"Density and power graphs in graph homomorphism problem"
,
Hossein Hajiabolhassan
DISCRETE MATHEMATICS,
Vol. 308,
pp.4027-4030,
2008
-
"On Defining numbers and circular colouring of graphs"
Hossein Hajiabolhassan,
A Daneshgar,
N Soltankhah
DISCRETE MATHEMATICS,
pp.173-180,
2007
-
"Circular colouring and algebraic no-homomorphism theorem"
Hossein Hajiabolhassan,
A Daneshgar
EUROPEAN JOURNAL OF COMBINATORICS,
2007
-
"Graph homomorphisms and nodal domains"
Hossein Hajiabolhassan,
A Daneshgar
LINEAR ALGEBRA AND ITS APPLICATIONS,
2006
-
"Tabular graphs and chromatic Sum"
Hossein Hajiabolhassan,
M.L Mehrabadi,
R Tusserkani
DISCRETE MATHEMATICS,
Vol. 304,
pp.11-22,
2005
-
"Unique list-colorability and the fixing chromatic number of graphs"
Hossein Hajiabolhassan,
A Daneshgar
DISCRETE APPLIED MATHEMATICS,
Vol. 152,
pp.123-138,
2005
-
"Sparse H-colorable graphs with large girth and bounded degree"
Hossein Hajiabolhassan,
X Zhu
GRAPHS AND COMBINATORICS,
Vol. 20,
pp.65-71,
2004
-
"Random walks and graph homomorphisms"
Hossein Hajiabolhassan,
A Daneshgar
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY,
Vol. 63,
pp.49-64,
2004
-
"Circular chromatic number of kneser graphs"
Hossein Hajiabolhassan,
X Zhu
JOURNAL OF COMBINATORIAL THEORY SERIES B,
Vol. 88,
pp.299-303,
2003
-
"Graph homomorphisms through random walks"
Hossein Hajiabolhassan,
A Daneshgar
JOURNAL OF GRAPH THEORY,
Vol. 44,
pp.15-38,
2003
-
"Circular chromatic number and Mycielski construction"
Hossein Hajiabolhassan,
X Zhu
JOURNAL OF GRAPH THEORY,
Vol. 44,
pp.106-115,
2003
-
"Circular chromatic number of subgraphs"
Hossein Hajiabolhassan,
X Zhu
JOURNAL OF GRAPH THEORY,
Vol. 44,
pp.95-105,
2003
-
"Some Concepts in List Coloring"
Changiz Eslahchi,
,
Hossein Hajiabolhassan
Journal of Combinatorial Mathematics and Combinatorial Computing,
Vol. 41,
pp.151-160,
2002
-
"Uniquely 2-list colorable graphs"
Hossein Hajiabolhassan,
Y Ganjali,
M Ghebleh,
B Sadjad
DISCRETE APPLIED MATHEMATICS,
Vol. 119,
pp.217-225,
2002
-
"Minimal colorings and strength of graphs"
Hossein Hajiabolhassan,
M.L Mehrabadi,
R Tusserkani
DISCRETE MATHEMATICS,
Vol. 215,
pp.265-270,
2000
-
"A note on Hall-condition number of a graph"
Hossein Hajiabolhassan,
M.L Mehrabadi,
R Tusserkani
ARS COMBINATORIA,
Vol. 55,
pp.215-216,
2000
-
"A characterization of uniquely colorable graphs using minimal defining sets"
Hossein Hajiabolhassan,
M.L Mehrabadi,
R Tusserkani,
M Zaker
DISCRETE MATHEMATICS,
Vol. 199,
pp.233-236,
1999
-
"On clique polynomials"
Hossein Hajiabolhassan,
M.L Mehrabadi
Australasian Journal of Combinatorics,
Vol. 18,
pp.313-316,
1998
-
"A counterexample for Hilton Johnson s conjecture on list coloring of graphs"
Hossein Hajiabolhassan,
Changiz Eslahchi,
M.L Mehrabadi,
R Tusserkani
Australasian Journal of Combinatorics,
Vol. 18,
pp.127-131,
1998
-
"Uniquely total colorable graphs"
Hossein Hajiabolhassan,
S Akbari,
Mehdi Behzad,
E.S Mahmoodian
GRAPHS AND COMBINATORICS,
Vol. 13,
pp.305-314,
1997
-
"On Derived Groups of Division Rings II"
Hossein Hajiabolhassan,
M Mahdavi Hezaveh,
S Akbari Feysaabadi,
M.L Mehrabadi
COMMUNICATIONS IN ALGEBRA,
Vol. 23,
pp.2881-2887,
1995
-
"عدد تناوبی گرافها"
حسین حاجی ابوالحسن،
میثم علیشاهی
پژوهش های ریاضی،
نسخه 6،
صفحات:39-46،
1399