668 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Institute for Research in Fundamental SciencesIR108 papers
- Damghan UniversityIR31 papers
- Islamic Azad University, MashhadIR13 papers
- K. N. Toosi University of TechnologyIR13 papers
- Farhangian UniversityIR12 papers
- Shahid Beheshti UniversityIR11 papers
- University of TehranIR11 papers
- Dublin City UniversityIE10 papers
- Golestan UniversityIR10 papers
- Centre National de la Recherche ScientifiqueFR9 papers
- Deakin UniversityAU9 papers
- Institute of Metal Superplasticity ProblemsRU9 papers
24 papers · 1 filter
A statistical study of the luminosity gap in galaxy groups
Saeed Tavasoli, Habib G. Khosroshahi, Ali Koohpaee +2
The luminosity gap between the two brightest members of galaxy groups and clusters is thought to offer a strong test for the models of galaxy formation and evolution. This study fo…
An Outer Commutator Multiplier and Capability of Finitely Generated Abelian Groups
Mohsen Parvizi, Behrooz Mashayekhy
We present an explicit structure for the Baer invariant of a finitely generated abelian group with respect to the variety , for all $c_2\le…
Some Inequalities for Nilpotent Multipliers of Powerful -Groups
Behrooz Mashayekhy, Fahimeh Mohammadzadeh
In this paper we present some inequalities for the order, the exponent, and the number of generators of the c-nilpotent multiplier (the Baer invariant with respect to the variety o…
Operator Aczel inequality
Mohammad Sal Moslehian
We establish several operator versions of the classical Aczel inequality. One of operator versions deals with the weighted operator geometric mean and another is related to the pos…
Examples of minimal-memory, non-catastrophic quantum convolutional encoders
Mark M. Wilde, Monireh Houshmand, Saied Hosseini-Khayat
One of the most important open questions in the theory of quantum convolutional coding is to determine a minimal-memory, non-catastrophic, polynomial-depth convolutional encoder fo…
Disk level S-matrix elements at eikonal Regge limit
Mohammad R. Garousi
We examine the calculation of the color-ordered disk level S-matrix element of massless scalar vertex operators for the special case that some of the Mandelstam variables for which…
Black Holes in Born-Infeld Extended New Massive Gravity
Ahmad Ghodsi, Davood Mahdavian Yekta
In this paper we find different types of black holes for the Born-Infeld extended new massive gravity. Our solutions include (un)charged warped (A)dS black holes for four and six d…
Minimal-memory realization of pearl-necklace encoders of general quantum convolutional codes
Monireh Houshmand, Saied Hosseini-Khayat
Quantum convolutional codes, like their classical counterparts, promise to offer higher error correction performance than block codes of equivalent encoding complexity, and are exp…
Lifting derivations and weak amenability of the second dual of a Banach algebra
S. Barootkoob, H. R. Ebrahimi Vishki
We show that for the weak amenability of the second dual $\A^{**}$ of a Banach algebra $\A$ implies that of $\A$. We also provide a positive answer for the case $n=1,…
Elements with r-th roots in finite groups
Elaheh Khamseh, Mohammed Reza R. Moghaddam, Francesco G. Russo +1
The probability that a randomly chosen element of a finite group is an --th root (for any integer ) has been studied largely in case . Certain techniques may be gen…
Monomial ideals and toric rings of Hibi type arising from a finite poset
Viviana Ene, Juergen Herzog, Fatemeh Mohammadi
In this paper we study monomial ideals attached to posets, introduce generalized Hibi rings and investigate their algebraic and homological properties. The main tools to study thes…
Hydrodynamical wind on a magnetized ADAF with thermal conduction
S. Abbassi, J. Ghanbari, M. Ghasemnezhad
We examine the effects of a hydrodynamical wind on advection dominated accretion flows with thermal conduction in the presence of a toroidal magnetic field under a self-similar tre…
Character Inner Amenability of Certain Banach Algebras
H. R. Ebrahimi Vishki, A. R. Khoddami
Character inner amenability for certain class of Banach algebras consist of projective tensor product , Lau product and module extension a…
Factorization Law for Two Lower Bounds of Concurrence
Sayyed Yahya Mirafzali, Iman Sargolzahi, Ali Ahanj +2
We study the dynamics of two lower bounds of concurrence in bipartite quantum systems when one party goes through an arbitrary channel. We show that these lower bounds obey the fac…
Charged Black Holes in New Massive Gravity
Ahmad Ghodsi, Mohammad Moghadassi
We construct charged black hole solutions to three-dimensional New Massive Gravity (NMG), by adding electromagnetic Maxwell and Chern-Simons actions. We find charged black holes in…
T-duality of anomalous Chern-Simons couplings
Mohammad R. Garousi
It is known that the anomalous D-brane Chern-Simons couplings are not consistent with the standard rules of T-duality. Using compatibility of these couplings with the linear T-…
On the stability of the first order linear recurrence in topological vector spaces
Mohammad Sal Moslehian, Dorian Popa
Suppose that is a sequentially complete Hausdorff locally convex space over a scalar field , is a bounded subset of , is…
A Gruss inequality for n-positive linear maps
Mohammad Sal Moslehian, Rajna Rajic
Let be a unital -algebra and let be a unital -positive linear map between -algebras for some . W…
Tunneling effects in a one-dimensional quantum walk
Mostafa Annabestani, Seyed Javad Akhtarshenas, Mohamad Reza Abolhassani
In this article we investigate the effects of shifting position decoherence, arisen from the tunneling effect in the experimental realization of the quantum walk, on the one-dimens…
Minimal memory requirements for pearl-necklace encoders of quantum convolutional codes
Monireh Houshmand, Saied Hosseini-Khayat, Mark M. Wilde
One of the major goals in quantum information processing is to reduce the overhead associated with the practical implementation of quantum protocols, and often, routines for quantu…
Entangled graphs: A classification of four-qubit entanglement
Masoud Gharahi Ghahi, Seyed Javad Akhtarshenas
We use the concept of \textit{entangled graphs} with weighted edges to present a classification for four-qubit entanglement which is based neither on the LOCC nor the SLOCC. Entang…
Relative n-isoclinism classes and relative n-th nilpotency degree of finite groups
Ahmad Erfanian, Rashid Rezaei, Francesco G. Russo
The purpose of the present paper is to consider the notion of isoclinism between two finite groups and its generalization to n-isoclinism, introduced by J. C. Bioch in 1976. A weak…
Ramond-Ramond field strength couplings on D-branes
Mohammad R. Garousi
By examining in details the disk level S-matrix element of one massless RR and one NSNS states at order O(α'^2), we find the coupling of one RR and one NSNS fields on the world vol…
Capability of Nilpotent Lie algebras with small derived Subalgebra
Peyman Niroomand, Mohsen Parvizi
In this paper, we classify all capable nilpotent Lie algebras with derived subalgebra of dimension at most 1.