A. Abdollahi

发表

Connected graphs cospectral with a friendship graph

Shahrooz Janbaz, Alireza Abdollahi, A. Abdollahi, 2014 .

Graphs cospectral with a friendship graph or its complement

Shahrooz Janbaz, Mohammad Reza Oboudi, Alireza Abdollahi, 2013, 1307.5411.

Units of Group Algebras of the Fours Group

A. Abdollahi, Soraya Mahdi Zanjanian, Soraya Mahdi Zanjanian, 2019, Bulletin of the Iranian Mathematical Society.

CERTAIN FINITE ABELIAN GROUPS WITH THE RÉDEI k-PROPERTY

A. Abdollahi, 2012 .

On problems concerning fixed-point-free permutations and on the polycirculant conjecture-a survey

A. Abdollahi, M. Arezoomand, P. Spiga, 2019 .

A Combinatorial Problem in Infinite Groups

A. Abdollahi, 2002, math/0212017.

Finite nilpotent groups that coincide with their 2-closures in all of their faithful permutation representations

A. Abdollahi, M. Arezoomand, 2016, 1611.01634.

COMPLEXITY INDICES FOR THE TRAVELLING SALESMAN PROBLEM AND DATA MINING

A. Abdollahi, 2012 .

Non-cyclic graph associated with a group

A. Abdollahi, A. M. Hassanabadi, 2008, 0810.0345.

Profinite groups with many elements of bounded order

Meisam Soleimani Malekan, A. Abdollahi, 2020, 2012.13886.

FINITE GROUPS WITH THE SAME CONJUGACY CLASS SIZES AS A FINITE SIMPLE GROUP NEDA AHANJIDEH Communicated

A. Abdollahi, 2018 .

$p$-Groups for which each outer $p$-automorphism centralizes only $p$ elements

A. Abdollahi, S. Ghoraishi, 2013, 1307.5417.

On one-factorizations of replacement products

A. Loghman, A. Abdollahi, 2013 .

Degree resistance distance of unicyclic graphs

I. Gutman, Guihai Yu, A. Abdollahi, 2012 .

A conjecture about spectral distances between cycles, paths and certain trees.

A. Abdollahi, N. Zakeri, 2020, 2010.05174.

$\ell^1$-Cospectrality of graphs

A. Abdollahi, N. Zakeri, 2019, 1907.11874.

Cospectrality of graphs

A. Abdollahi, M. Oboudi, 2014 .

On finite totally 2-closed groups

Gareth Tracey, A. Abdollahi, M. Arezoomand, 2022, Comptes Rendus. Mathématique.

Kaplansky's zero divisor and unit conjectures on elements with supports of size $3$

A. Abdollahi, Zahra Taheri, 2016, 1612.00934.

ON THE DOUBLE BONDAGE NUMBER OF GRAPHS PRODUCTS

A. Abdollahi, 2019 .

Characterization of SL(2,q) by its non-commuting graph

A. Abdollahi, 2008, 0808.0377.

Finite Groups With a Certain Number of Elements Pairwise Generating a Non-Nilpotent Subgroup

A. Abdollahi, A. M. Hassanabadi, 2005, math/0511667.

A note on good permutation codes from Reed–Solomon codes

A. Abdollahi, R. Sobhani, J. Bagherian, 2019, Designs, Codes and Cryptography.

Characterization of the alternating group by its non-commuting graph☆

A. Abdollahi, H. Shahverdi, 2012 .

THE SECOND IMMANANT OF SOME COMBINATORIAL MATRICES

A. Abdollahi, 2015 .

On sharp characters of type {−1, 0, 2}

M. Ebrahimi, A. Abdollahi, R. Sobhani, 2022, Czechoslovak Mathematical Journal.

Groups with sharp non-linear irreducible characters

A. Abdollahi, R. Sobhani, J. Bagherian, 2022, Communications in Algebra.

Groups with Sharp Character of Type $$\lbrace -1,1,3\rbrace $$

M. Ebrahimi, A. Abdollahi, R. Sobhani, 2022, Bulletin of the Iranian Mathematical Society.

RINGS WITH A SETWISE POLYNOMIAL-LIKE CONDITION

A. Tavakoli, A. Abdollahi, H. Bell, 2012 .

ON A CLASS OF INFINITE RINGS

A. Abdollahi, B. Taeri, 2001 .

Engel graph associated with a group

A. Abdollahi, 2005, math/0510296.

Which Cayley Graphs are Integral?

Alireza Abdollahi, Ebrahim Vatandoost, A. Abdollahi, 2009, Electron. J. Comb..

SECOND COHOMOLOGY OF LIE RINGS AND THE SCHUR MULTIPLIER

A. Abdollahi, 2013 .

On a problem of P. Hall for Engel words

F. Russo, A. Abdollahi, 2011 .

Non-commuting graph of a group ✩

S. Akbari, H. Maimani, A. Abdollahi, 2006 .

A necessary condition for zero divisors in complex group algebra of torsion-free groups

Meisam Soleimani Malekan, A. Abdollahi, 2019, 1905.00951.

Cardinality of product sets in torsion-free groups and applications in group algebras

A. Abdollahi, F. Jafari, 2018, Journal of Algebra and Its Applications.

Zero divisor and unit elements with supports of size 4 in group algebras of torsion-free groups

A. Abdollahi, F. Jafari, 2017, Communications in Algebra.

Configuration of nilpotent groups and isomorphism

A. Rejali, A. Yousofzadeh, A. Abdollahi, 2008, 0811.2291.

Non-triviality of Tate cohomology for certain classes of finite p-groups

A. Abdollahi, Y. Guerboussa, M. Guedri, 2017 .

Compact groups with many elements of bounded order

M. Ebrahimi, A. Abdollahi, Meisam Soleimani Malekan, 2020, 2001.06508.

A Combinatorial Problem in Infinite Groups

A. Abdollahi, 2002, math/0212017.

A Property Equivalent to n-Permutability for Infinite Groups

A. Abdollahi, B. Taeri, A. M. Hassanabadi, 1999 .

A characterization of infinite 3-abelian groups

A. Abdollahi, 1999 .

Zero divisors of support size 3 in group algebras and trinomials divided by irreducible polynomials over GF(2)

A. Abdollahi, Zahra Taheri, 2019, Rendiconti del Seminario Matematico della Università di Padova.

Zero divisors and units with small supports in group algebras of torsion-free groups

A. Abdollahi, Zahra Taheri, 2017, 1705.00152.

KAPLANSKY ZERO DIVISOR CONJECTURE ON GROUP ALGEBRAS OVER TORSION-FREE GROUPS

A. Abdollahi, 2016 .

Quotients of Passman Fours Group and Non-units of Their Group Algebras

A. Abdollahi, Soraya Mahdi Zanjanian, 2020, Bulletin of the Iranian Mathematical Society.

Nonunits of group algebras over the fours group

A. Abdollahi, S. M. Zanjanian, 2019, Journal of Algebra and Its Applications.

Groups generated by a finite Engel set

A. Tortora, A. Abdollahi, R. Brandl, 2011, 1109.5439.

On the Right and Left 4-Engel Elements

A. Abdollahi, H. Khosravi, 2009, 0903.0691.

On groups with an irredundant 7-cover

A. Abdollahi, S. M. J. Amiri, 2007 .

Distance-regular Cayley graphs with least eigenvalue $$-2$$-2

Alireza Abdollahi, Edwin R. van Dam, Mojtaba Jazaeri, 2015, Des. Codes Cryptogr..

3-Generator Groups Whose Elements Commute with Their Endomorphic Images Are Abelian

A. Abdollahi, A. M. Hassanabadi, A. Faghihi, 2007, 0709.3185.

4-REGULAR PRIME GRAPHS OF NONSOLVABLE GROUPS

A. Abdollahi, 2019 .

Non-solvable groups generated by involutions in which every involution is left 2-Engel

A. Abdollahi, 2014, 1404.4558.

Distance-regular Cayley graphs with least eigenvalue -2\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$-2$$\end{docume

E. V. Dam, E. V. van Dam, A. Abdollahi, 2015, Designs, Codes and Cryptography.

Groups all of whose undirected Cayley graphs are integral

Alireza Abdollahi, Mojtaba Jazaeri, A. Abdollahi, 2013, Eur. J. Comb..

On groups admitting no integral Cayley graphs besides complete multipartite graphs

Mojtaba Jazaeri, Alireza Abdollahi, A. Abdollahi, 2013 .

Groups with specific number of centralizers

A. Abdollahi, S. M. J. Amiri, M. Hassanabadi, 2007 .

Commutativity Pattern of Finite Non-Abelian p-Groups Determine Their Orders

S. Akbari, A. Abdollahi, H. Shahverdi, 2011, 1109.5007.

MAXIMAL SUBSETS OF PAIRWISE NON-COMMUTING ELEMENTS OF p-GROUPS OF ORDER LESS THAN p6

A. Abdollahi, 2013 .

Noncyclic Graph of a Group

A. Abdollahi, A. M. Hassanabadi, 2007 .

THE NON-CENTRALIZER GRAPH OF A FINITE GROUP

A. Ashrafi, A. Abdollahi, B. Taeri, 2015 .

Groups with a Maximal Irredundant 6-Cover

A. Abdollahi, S. M. J. Amiri, A. M. Hassanabadi, 2005 .

NON-CYCLIC GRAPH OF A GROUP

A. Abdollahi, A. M. Hassanabadi, 2007, 0708.2327.

Non-Commuting Graphs of Nilpotent Groups

A. Abdollahi, H. Shahverdi, 2013, 1304.4839.

Non-Nilpotent Graph of a Group

A. Abdollahi, M. Zarrin, 2009, 0910.0098.

Finite p-groups of class 3 have noninner automorphisms of order p

A. Abdollahi, B. Wilkens, Mohsen Ghoraishi, 2013 .

Commuting graphs of full matrix rings over finite fields

A. Abdollahi, 2008 .

New upper bounds on the size of permutation codes under Kendall τ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\tau$

A. Abdollahi, R. Sobhani, F. Parvaresh, 2023, Cryptography and Communications.

New Bounds on the Size of Permutation Codes With Minimum Kendall $\tau$-distance of Three

A. Abdollahi, R. Sobhani, J. Bagherian, 2022, 2206.10193.

New table of Bounds on Permutation Codes under Kendall τ-Metric

A. Abdollahi, R. Sobhani, F. Parvaresh, 2022, 2022 10th Iran Workshop on Communication and Information Theory (IWCIT).

Groups St Andrews 2009 in Bath: Engel elements in groups

A. Abdollahi, 2010, 1002.0309.

Minimal Number of Generators and Minimum Order of a Non-Abelian Group Whose Elements Commute with Their Endomorphic Images

A. Abdollahi, A. M. Hassanabadi, A. Faghihi, 2007, 0708.2280.

On locally finite p-groups satisfying an Engel condition

G. Traustason, A. Abdollahi, 2002 .

Right 4-Engel elements of a group

A. Abdollahi, H. Khosravi, 2010, 1001.4156.

When right n-Engel elements of a group form a subgroup?

A. Abdollahi, H. Khosravi, 2009, 0906.2439.

A conjecture of Cameron and Kiyota on sharp characters with prescribed values

R. Sobhani, A. Abdollahi, J.Bagherian, 2020, Communications in Algebra.

COMMUTING PROBABILITY OF COMPACT GROUPS

Meisam Soleimani Malekan, A. Abdollahi, 2021, Bulletin of the Australian Mathematical Society.

Automorphism Groups of 2-Groups of Coclass at Most 3

A. Abdollahi, Nafiseh Rahmani, 2019, Bulletin of the Malaysian Mathematical Sciences Society.

Automorphism Groups of 2-Groups of Coclass at Most 3

A. Abdollahi, Nafiseh Rahmani, 2018, Bulletin of the Malaysian Mathematical Sciences Society.

On finite totally 2-closed groups

Gareth Tracey, A. Abdollahi, M. Arezoomand, 2020, 2001.09597.

Finite 2-groups of Class 2 with Specific Automorphism Group

A. Abdollahi, S. Ghoraishi, M. Ahmadi, 2012, 1212.0799.

Powerful $p$-groups have noninner automorphisms of order $p$ and some cohomology

A. Abdollahi, 2009, 0901.3182.

Finite p-groups of class 3 have noninner automorphisms of order p

A. Abdollahi, B. Wilkens, Mohsen Ghoraishi, 2006, Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry.

GROUPS WITH REALITY AND CONJUGACY CONDITIONS

A. Abdollahi, 2012 .

Frankl's Conjecture for Subgroup Lattices

Alireza Abdollahi, Russ Woodroofe, Gjergji Zaimi, 2016, Electron. J. Comb..

Paradoxical Decomposition of Semigroups

A. Rejali, A. Abdollahi, 2005 .

A note on good permutation codes from Reed–Solomon codes

Alireza Abdollahi, R. Sobhani, J. Bagherian, 2019, Des. Codes Cryptogr..