Ali Reza Ashrafi

According to our database, Ali Reza Ashrafi authored at least 60 papers between 2006 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2022

Computing some Laplacian Coefficients of Forests.

Ali Ghalavand, Ali Reza Ashrafi

J. Appl. Math., 2022

Permanents of Hexagonal and Armchair Chains.

O. Nekooei, Hasan Barzegar, A. R. Ashrafi

Int. J. Math. Math. Sci., 2022

2021

Construction of 2-Gyrogroups in Which Every Proper Subgyrogroup Is Either a Cyclic or a Dihedral Group.

Soheila Mahdavi, Ali Reza Ashrafi, Mohammad Ali Salahshour, Abraham Albert Ungar

Symmetry, 2021

On a Conjecture about the Sombor Index of Graphs.

Kinkar Chandra Das, Ali Ghalavand, Ali Reza Ashrafi

Symmetry, 2021

Some bounds for the resolvent energy.

Gülistan Kaya Gök, Ali Reza Ashrafi

Appl. Math. Comput., 2021

Laplacian spectral determination of path-friendship graphs.

Mohammad Reza Oboudi, Ali Zeydi Abdian, Ali Reza Ashrafi, Lowell W. Beineke

AKCE Int. J. Graphs Comb., 2021

2020

Symmetry and two symmetry measures for the web and spider web graphs.

Somayeh Madani, Ali Reza Ashrafi

J. Appl. Math. Comput., October, 2020

Ordering of c-cyclic graphs with respect to total irregularity.

Ali Ghalavand, Ali Reza Ashrafi

J. Appl. Math. Comput., June, 2020

An algorithm for constructing all supercharacter theories of a finite group.

Ali Reza Ashrafi, Leila Ghanbari-Maman, Kaveh Kavousi, Fatemeh Koorepazan-Moftakhar

Ars Math. Contemp., 2020

Note on non-regular graphs with minimal total irregularity.

Ali Reza Ashrafi, Ali Ghalavand

Appl. Math. Comput., 2020

2019

Molecular trees with the sixth, seventh and eighth minimal irregularity values.

Ali Reza Ashrafi, Ali Ghalavand, Akbar Ali

Discret. Math. Algorithms Appl., 2019

Spectral properties of the commuting graphs of certain groups.

M. Torktaz, A. R. Ashrafi

AKCE Int. J. Graphs Comb., 2019

2018

The Existence of Minimal Logarithmic Signatures for Some Finite Simple Groups.

Ali Reza Rahimipour, A. R. Ashrafi, Ahmad Gholami

Exp. Math., 2018

Ordering chemical graphs by Randić and sum-connectivity numbers.

Ali Ghalavand, Ali Reza Ashrafi

Appl. Math. Comput., 2018

2017

Automorphism group of certain power graphs of finite groups.

Ali Reza Ashrafi, Ahmad Gholami, Zeinab Mehranian

Electron. J. Graph Theory Appl., 2017

Automorphism groups of supergraphs of the power graph of a finite group.

Asma Hamzeh, A. R. Ashrafi

Eur. J. Comb., 2017

Extremal graphs with respect to variable sum exdeg index via majorization.

Ali Ghalavand, A. R. Ashrafi

Appl. Math. Comput., 2017

Ordering chemical trees by Wiener polarity index.

Ali Reza Ashrafi, Ali Ghalavand

Appl. Math. Comput., 2017

2016

The (non-)existence of perfect codes in Fibonacci cubes.

Ali Reza Ashrafi, Jernej Azarija, Azam Babai, Khadijeh Fathalikhani, Sandi Klavzar

Inf. Process. Lett., 2016

The modified Wiener index of some graph operations.

Hossein Shabani, Ali Reza Ashrafi

Ars Math. Contemp., 2016

Combination of distance and symmetry in some molecular graphs.

Fatemeh Koorepazan-Moftakhar, A. R. Ashrafi

Appl. Math. Comput., 2016

2015

The existence of minimal logarithmic signatures for the sporadic Suzuki and simple Suzuki groups.

Ali Reza Rahimipour, A. R. Ashrafi, Ahmad Gholami

Cryptogr. Commun., 2015

2014

The bipartite edge frustration of hierarchical product of graphs.

Zahra Yarahmadi, Ali Reza Ashrafi

Electron. Notes Discret. Math., 2014

Remarks On Commuting Graph of a Finite Group.

Mahsa Mirzargar, Péter Pál Pach, Ali Reza Ashrafi

Electron. Notes Discret. Math., 2014

Automorphism Group and Fixing Number of (3, 6)- and (4, 6)-Fullerene Graphs.

Fatemeh Koorepazan-Moftakhar, A. R. Ashrafi, Zeinab Mehranian, Modjtaba Ghorbani

Electron. Notes Discret. Math., 2014

Preface.

Ali Reza Ashrafi

Electron. Notes Discret. Math., 2014

Centrosymmetric graphs and a lower bound for graph energy of fullerenes.

Ali Reza Ashrafi, Morteza Faghani, Gyula Y. Katona

Discuss. Math. Graph Theory, 2014

Revised and edge revised Szeged indices of graphs.

Morteza Faghani, Ali Reza Ashrafi

Ars Math. Contemp., 2014

2013

Further results on hierarchical product of graphs.

Mostafa Tavakoli, Freydoon Rahbarnia, A. R. Ashrafi

Discret. Appl. Math., 2013

Distribution of some graph invariants over hierarchical product of graphs.

Mostafa Tavakoli, Freydoon Rahbarnia, Ali Reza Ashrafi

Appl. Math. Comput., 2013

2012

Graphs whose Szeged and Wiener numbers differ by 4 and 5.

Mohammad J. Nadjafi-Arani, H. Khodashenas, Ali Reza Ashrafi

Math. Comput. Model., 2012

Extremal polyomino chains with respect to Zagreb indices.

Zahra Yarahmadi, Ali Reza Ashrafi, Sirous Moradi

Appl. Math. Lett., 2012

The energies of (3, 6) -fullerenes and nanotori.

Somayeh Madani, Ali Reza Ashrafi

Appl. Math. Lett., 2012

Closed formulas for the number of small paths, independent sets and matchings in fullerenes.

Afshin Behmaram, Hassan Yousefi-Azari, A. R. Ashrafi

Appl. Math. Lett., 2012

Wiener polarity index of fullerenes and hexagonal systems.

Afshin Behmaram, Hassan Yousefi-Azari, A. R. Ashrafi

Appl. Math. Lett., 2012

2011

First and second extremal bipartite graphs with respect to PI index.

Zahra Yarahmadi, A. R. Ashrafi, Ivan Gutman

Math. Comput. Model., 2011

Calculating the edge Wiener and edge Szeged indices of graphs.

Hassan Yousefi-Azari, M. H. Khalifeh, A. R. Ashrafi

J. Comput. Appl. Math., 2011

The eccentric connectivity index of nanotubes and nanotori.

A. R. Ashrafi, M. Saheli, Modjtaba Ghorbani

J. Comput. Appl. Math., 2011

On the differences between Szeged and Wiener indices of graphs.

Mohammad J. Nadjafi-Arani, H. Khodashenas, A. R. Ashrafi

Discret. Math., 2011

Some inequalities for the atom-bond connectivity index of graph operations.

Gholam Hossein Fath-Tabar, B. Vaez-Zadeh, Ali Reza Ashrafi, Ante Graovac

Discret. Appl. Math., 2011

The bipartite edge frustration of graphs under subdivided edges and their related sums.

Zahra Yarahmadi, Ali Reza Ashrafi

Comput. Math. Appl., 2011

Extremal properties of the bipartite vertex frustration of graphs.

Zahra Yarahmadi, Ali Reza Ashrafi

Appl. Math. Lett., 2011

y-Wiener index of composite graphs.

Asma Hamzeh, Samaneh Hossein-Zadeh, A. R. Ashrafi

Appl. Math. Lett., 2011

Bounds on the Estrada index of ISR (4, 6)-fullerenes.

A. R. Ashrafi, Gholam Hossein Fath-Tabar

Appl. Math. Lett., 2011

2010

The bipartite edge frustration of composite graphs.

Zahra Yarahmadi, Tomislav Doslic, Ali Reza Ashrafi

Discret. Appl. Math., 2010

The Zagreb coindices of graph operations.

Ali Reza Ashrafi, Tomislav Doslic, Asma Hamzeh

Discret. Appl. Math., 2010

Another aspect of graph invariants depending on the path metric and an application in nanoscience.

M. H. Khalifeh, Hassan Yousefi-Azari, A. R. Ashrafi

Comput. Math. Appl., 2010

2009

On the Symmetry of a Zig-Zag and an Armchair Polyhex Carbon Nanotorus.

Morteza Yavari, Ali Reza Ashrafi

Symmetry, 2009

Some new results on distance-based graph invariants.

M. H. Khalifeh, Hassan Yousefi-Azari, A. R. Ashrafi, Stephan G. Wagner

Eur. J. Comb., 2009

The first and second Zagreb indices of some graph operations.

M. H. Khalifeh, Hassan Yousefi-Azari, A. R. Ashrafi

Discret. Appl. Math., 2009

On the Szeged Index of some Benzenoid Graphs Applicable in Nanostructures.

Hassan Yousefi-Azari, A. R. Ashrafi, N. Sedigh

Ars Comb., 2009

Extremal graphs with respect to the vertex PI index.

Mohammad J. Nadjafi-Arani, Gholam Hossein Fath-Tabar, A. R. Ashrafi

Appl. Math. Lett., 2009

2008

Vertex and edge PI indices of Cartesian product graphs.

M. H. Khalifeh, Hassan Yousefi-Azari, A. R. Ashrafi

Discret. Appl. Math., 2008

The hyper-Wiener index of graph operations.

M. H. Khalifeh, Hassan Yousefi-Azari, A. R. Ashrafi

Comput. Math. Appl., 2008

Szeged Index of a Zig-zag Polyhex Nanotube.

B. Manoochehrian, Hassan Yousefi-Azari, A. R. Ashrafi

Ars Comb., 2008

Some designs related to group actions.

Mohammad Reza Darafsheh, Ali Reza Ashrafi, Maryam Khademi

Ars Comb., 2008

The PI index of product graphs.

Hassan Yousefi-Azari, B. Manoochehrian, A. R. Ashrafi

Appl. Math. Lett., 2008

2007

PI and Szeged Indices of some Benzenoid Graphs Related to Nanostructures.

Hassan Yousefi-Azari, B. Manoochehrian, A. R. Ashrafi

Ars Comb., 2007

2006

Computing Orbits of the Automorphism Group of the Subsequence Poset <i>B</i> _{<i>m</i> , <i>n</i>}.

Modjtaba Ghorbani, M. Jalal-Abadi, A. R. Ashrafi

Order, 2006

PI Index of Armchair Polyhex Nanotubes.

Ali Reza Ashrafi, Amir Loghman

Ars Comb., 2006