Game total domination subdivision number of a graph. - Jafar Amjadi; Hossein Karami 002; Seyed Mahmoud Sheikholeslami (Discret. Math. Algorithms Appl., 2015)

The k-rainbow bondage number of a digraph. - Jafar Amjadi; Negar Mohammadi; Seyed Mahmoud Sheikholeslami; Lutz Volkmann (Discuss. Math. Graph Theory, 2015)

Maximal 2-rainbow domination number of a graph. - Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Dorota Kuziak (AKCE Int. J. Graphs Comb., 2016)

On the rainbow restrained domination number. - Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Vladimir Samodivkin; Lutz Volkmann (Ars Comb., 2016)

On the 2-rainbow bondage number of planar graphs. - Jafar Amjadi; A. Parnian (Ars Comb., 2016)

Rainbow restrained domination numbers in graphs. - Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Lutz Volkmann (Ars Comb., 2016)

A new graph associated to a commutative ring. - A. Alilou; Jafar Amjadi; Seyed Mahmoud Sheikholeslami (Discret. Math. Algorithms Appl., 2016)

Signed Roman edge domination numbers in graphs. - Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Lutz Volkmann; Yancai Zhao (J. Comb. Optim., 2016)

The k-rainbow reinforcement numbers in graphs. - Jafar Amjadi; Leila Asgharsharghi; Nasrin Dehgardi; Michitaka Furuya; Seyed Mahmoud Sheikholeslami; Lutz Volkmann (Discret. Appl. Math., 2017)

Global total Roman domination in graphs. - Jafar Amjadi; Sakineh Nazari-Moghaddam; Seyed Mahmoud Sheikholeslami (Discret. Math. Algorithms Appl., 2017)

On the genus of the graph associated to a commutative ring. - Krishnan Selvakumar; P. Subbulakshmi; Jafar Amjadi (Discret. Math. Algorithms Appl., 2017)

A sufficient condition for large rainbow domination number. - Jafar Amjadi; Nasrin Dehgardi; Michitaka Furuya; Seyed Mahmoud Sheikholeslami (Int. J. Comput. Math. Comput. Syst. Theory, 2017)

Signed double Roman k-domination in graphs. - Jafar Amjadi; Hong Yang; Sakineh Nazari-Moghaddam; Seyed Mahmoud Sheikholeslami; Zehui Shao (Australas. J Comb., 2018)

The signed total Roman domatic number of a digraph. - Jafar Amjadi (Discret. Math. Algorithms Appl., 2018)

The co-annihilating graph of a commutative ring. - Jafar Amjadi; A. Alilou (Discret. Math. Algorithms Appl., 2018)

A correction on the signed bad number. - Jafar Amjadi; R. Khoeilar; Marzieh Soroudi (Discret. Math. Algorithms Appl., 2018)

Independent Roman domination and 2-independence in trees. - Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Mina Valinavaz; Nasrin Dehgardi (Discret. Math. Algorithms Appl., 2018)

An upper bound on the double Roman domination number. - Jafar Amjadi; Sakineh Nazari-Moghaddam; Seyed Mahmoud Sheikholeslami; Lutz Volkmann (J. Comb. Optim., 2018)

Nordhaus-Gaddum bounds for total Roman domination. - Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Marzieh Soroudi (J. Comb. Optim., 2018)

On the Total Double Roman Domination. - Zehui Shao; Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Mina Valinavaz (IEEE Access, 2019)

On two open problems concerning weak Roman domination in trees. - Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami; Marzieh Soroudi (Australas. J Comb., 2019)

Total Roman reinforcement in graphs. - Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Mustapha Chellali; Sakineh Nazari-Moghaddam; Seyed Mahmoud Sheikholeslami (Discuss. Math. Graph Theory, 2019)

On the total Roman domination in trees. - Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Marzieh Soroudi (Discuss. Math. Graph Theory, 2019)

On the Roman domination subdivision number of a graph. - Jafar Amjadi; R. Khoeilar; Mustapha Chellali; Zehui Shao (J. Comb. Optim., 2020)

Double Roman reinforcement number in graphs. - Jafar Amjadi; H. Sadeghi (AKCE Int. J. Graphs Comb., 2021)

Classification of rings with toroidal co-annihilating-ideal graphs. - Rana Khoeilar; Jafar Amjadi (Discret. Math. Algorithms Appl., 2021)

Total 2-rainbow domination numbers in trees. - Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Mustapha Chellali; Sakineh Nazari-Moghaddam; Seyed Mahmoud Sheikholeslami (Discuss. Math. Graph Theory, 2021)

Some progress on the mixed roman domination in graphs. - Hossein Abdollahzadeh Ahangar; Jafar Amjadi; Mustapha Chellali; Saeed Kosari; Vladimir Samodivkin; Seyed Mahmoud Sheikholeslami (RAIRO Oper. Res., 2021)

Quadruple Roman Domination in Trees. - Zheng Kou; Saeed Kosari; Guoliang Hao; Jafar Amjadi; Nesa Khalili (Symmetry, 2021)

Triple Roman domination subdivision number in graphs. - Jafar Amjadi; H. Sadeghi (Comput. Sci. J. Moldova, 2022)

Quadruple Roman domination in graphs. - Jafar Amjadi; Nesa Khalili (Discret. Math. Algorithms Appl., 2022)

Total double Roman domination numbers in digraphs. - Jafar Amjadi; F. Pourhosseini (Discret. Math. Algorithms Appl., 2022)

On [k]-Roman domination subdivision number of graphs. - Kazhal Haghparast; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2022)

Restrained Italian reinforcement number in graphs. - Nafiseh Ebrahimi; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2023)

On [ k ] -Roman domination in graphs. - Nesa Khalili; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2023)

Quasi-total Roman reinforcement in graphs. - Nafiseh Ebrahimi; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2023)

New results on quadruple Roman domination in graphs. - Jafar Amjadi; Nesa Khalili (Discret. Math. Algorithms Appl., 2023)

Independent Roman bondage of graphs. - Saeed Kosari; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (RAIRO Oper. Res., 2023)

Restrained Italian bondage number in graphs. - Nafiseh Ebrahimi; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (Discret. Math. Algorithms Appl., 2023)

Restrained {2}-domination in graphs. - Kazhal Haghparast; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (RAIRO Oper. Res., 2023)

Independent k -rainbow bondage number of graphs. - Saeed Kosari; Jafar Amjadi; Mustapha Chellali; F. Najafi; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2024)

Quasi total double Roman domination in graphs. - Saeed Kosari; S. Babaei; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (AKCE Int. J. Graphs Comb., 2024)

Further results on outer independent triple Roman domination. - F. Najafi; Jafar Amjadi; Seyed Mahmoud Sheikholeslami; Mustapha Chellali; Saeed Kosari (AKCE Int. J. Graphs Comb., 2025)

Perfect triple Roman domination. - M. Kor; Jafar Amjadi; Mustapha Chellali; Seyed Mahmoud Sheikholeslami (Discret. Appl. Math., 2025)