Sharif Digital Repository

An effective image based surface roughness estimation approach using neural network

Author

Akbari, A. A.

Publisher

IEEE Computer Society,

Pub. Year

2006

Subjects

Approximation theory. / Image analysis. / Image reconstruction. / Neural networks. / Parameter estimation. / Nondestructive surface roughness measurement. / Surface damage. / Surface roughness.

Zero-sum flows in regular graphs

Author

Akbari, S.

Pub. Year

2010

Subjects

Bidirected graph. / Regular graph. / Zero-sum flow.

Equimatchable regular graphs

Author

Akbari, S.

Publisher

Wiley-Liss Inc,

Pub. Year

2018

Subjects

05C75. / 2010 AMS Subject Classification Number: 05C70. / Equimatchable. / Regular graph. / Triangle-free graph. / Geometry. / 05C75. / Equimatchable. / Regular graphs. / Subject classification. / Triangle-free graphs. / Graph theory.

A generalization of hadamard matrices

Author

Akbari, S.

Pub. Year

2014

Subjects

Generalized Hadamard matrices. / Hadamard matrices.

On zero-divisor graphs of finite rings

Author

Akbari, S.

Pub. Year

2007

Subjects

Eulerian graph. / Group ring. / Matrix ring. / Zero-divisor graph.

Commuting decompositions of complete graphs

Author

Akbari, S.

Pub. Year

2007

Subjects

Adjacency matrices of graphs. / Graph decompositions.

Note: A short proof of a theorem of Tutte

Author

Akbari, S.

Pub. Year

2008

Subjects

Spanning subgraph. / Regular graph. / Tutte theorem. / Vertex setV(G) / Graph G.

Multicolored trees in complete graphs

Author

Akbari, S.

Publisher

Wiley-Liss Inc,

Pub. Year

2007

Subjects

Color. / Graph theory. / Probability distributions. / Complete graph. / Multicolored tree. / Rado's theorem. / Trees (mathematics)

Zero-divisor graphs of non-commutative rings

Author

Akbari, S.

Pub. Year

2006

Subjects

Directed graph. / Zero-divisor. / Non-commutative ring. / Matrix ring.

Transversals and multicolored matchings

Author

Akbari, S.

Pub. Year

2004

Subjects

Latin square. / Multicolored matching. / Transversal.

On the zero-divisor graph of a commutative ring

Author

Akbari, S.

Publisher

Academic Press Inc,

Pub. Year

2004

Subjects

Edge coloring. / Hamiltonian. / Zero-divisor graph.

Fourier modal method formulation for fast analysis of two-dimensional periodic arrays of graphene

Author

Nekuee, S. A. H.

Pub. Year

2014

Subjects

Boundary conditions. / Laser resonators. / Modal analysis. / Two dimensional. / Approximate boundary condition. / Checkerboard patterns. / Computational costs. / Fourier modal method. / Improved convergence. / Surface conductivity. / Two-dimensional periodic arrays. / Two-dimensional periodic structures. / Graphene.

Highly accurate and east convergent diffractive interface theory for fast analysis of metasurfaces

Author

Nekuee, S. A. H.

Publisher

Institute of Electrical and Electronics Engineers Inc

Pub. Year

2016

Subjects

Diffraction. / Boundary conditions. / Computation theory. / Diffraction. / Diffraction gratings. / Eigenvalues and eigenfunctions. / Modal analysis. / Computational costs. / Computational electromagnetic methods. / Eigenvalue equations. / Electromagnetic boundary conditions. / Fourier factorization. / Fourier modal method. / Metasurface. / Two-dimensional periodic arrays. / Computational electromagnetics.

Imprimitivity index of the adjacency matrix of digraphs

Author

Akbari, S.

Publisher

Elsevier Inc,

Pub. Year

2017

Subjects

Primitive digraph. / Spectral radius. / Directed graphs. / Graph theory. / Adjacency matrices. / Bipartite graphs. / Edge orientations. / Imprimitivity index. / In-Degree. / Number of closed walks. / Primitive digraphs. / Spectral radius. / Matrix algebra.

Some lower bounds for the energy of graphs

Author

Akbari, S.

Publisher

Elsevier Inc,

Pub. Year

2020

Subjects

Energy of graph. / Hermitian matrix. / Singular values. / Eigenvalues and eigenfunctions. / Graph theory. / Absolute values. / Adjacency matrices. / Bipartite graphs. / Connected graph. / Energy of a graph. / Energy of graphs. / Hermitian matrices. / Singular values. / Matrix algebra.

Circular Zero-Sum r-Flows of regular graphs

Author

Akbari, S.

Publisher

Springer,

Pub. Year

2020

Subjects

Circular zero-sum r-flow. / Regular Graphs.

Design and manufacturing of ultrasonic motor with in-plane and out-of-plane bending vibration modes of rectangular plate with large contact area

Author

Dabbagh, V.

Pub. Year

2017

Subjects

In-plane mode. / Large contact area. / Out-of-plane mode. / Rectangular plate. / Ultrasonic motor. / Finite element method. / Motors. / Piezoelectric devices. / Piezoelectric motors. / Ultrasonic equipment. / Ultrasonic machine tools. / Contact areas. / In-plane modes. / Out-of-plane modes. / Rectangular plates. / Ultrasonic motors. / Vibrations (mechanical)

Nano-TiO2: An eco-friendly and re-usable catalyst for the synthesis of 14-aryl or alkyl-14H-dibenzo[a,j]xanthenes

Author

Mirjalili, B. F.

Pub. Year

2011

Subjects

14-Aryl or alkyl-14-H-dibenzo [a,j]xanthenes. / 2-Naphthol. / Aldehyde. / Nano-TiO2.

On the size of graphs whose cycles have length divisible by a fixed integer

Author

Akbari, S.

Pub. Year

2009

Mixed paths and cycles determined by their spectrum

Author

Akbari, S.

Publisher

Elsevier Inc,

Pub. Year

2020

Subjects

Hermitian spectrum. / Mixed graphs. / Linear algebra. / Mathematical techniques. / Adjacency matrices. / Cycle. / Directed edges. / Even orders. / Hermitians. / Mixed graph. / Path. / Vertex set. / Directed graphs.