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On the Spectra of General Ordinary Quasi-Differential Operators and Their
L
2
w
-Solutions
(Articles)
Sobhy
El
-
Sayed
Ibrahim
Advances in Pure Mathematics
Vol.12 No.3
,March 21, 2022
DOI:
10.4236/apm.2022.123016
139
Downloads
480
Views
Citations
On the Domains of General Ordinary Differential Operators in the Direct Sum Spaces
(Articles)
Sobhy
El
-
Sayed
Ibrahim
Advances in Pure Mathematics
Vol.12 No.3
,March 22, 2022
DOI:
10.4236/apm.2022.123017
101
Downloads
432
Views
Citations
The Well-Posed Operators with Their Spectra in
L
p
w
-Spaces
(Articles)
Sobhy
El
-
Sayed
Ibrahim
Advances in Pure Mathematics
Vol.13 No.6
,June 27, 2023
DOI:
10.4236/apm.2023.136023
68
Downloads
265
Views
Citations
Association of Human Herpesvirus 6 and 8 in Relapsing Remitting Multiple Sclerosis Type during Exacerbation
(Articles)
Hassan Salama
,
Mohamed
El
-
Khateeb
,
Rawya Bader
,
Mohamed Saleh
,
Enas Hamad
Neuroscience and Medicine
Vol.1 No.1
,September 30, 2010
DOI:
10.4236/nm.2010.11005
4,150
Downloads
7,899
Views
Citations
The Surface Reactivity of Pure and Monohydrogenated Nanocones Formed from Graphene Sheets
(Articles)
Ahlam A.
El
-Barbary
,
Mohamed A. Kamel
,
Khaled M. Eid
,
Hayam O. Taha
,
Rasha A. Mohamed
,
Mohammed A. Al-
Khateeb
Graphene
Vol.4 No.4
,September 9, 2015
DOI:
10.4236/graphene.2015.44008
3,628
Downloads
4,636
Views
Citations
A Developed Material as a Nuclear Radiation Shield for Personal Wearing
(Articles)
Samir Ushah
El
-Kameesy
,
Wagdy Ahmed Kansouh
,
Elsayed Salama
,
Mabrouk Kamel
El
-Mansy
,
Sara Ahmed
El
-
Khateeb
,
Riad Mostafa Megahid
Journal of Applied Mathematics and Physics
Vol.5 No.3
,March 9, 2017
DOI:
10.4236/jamp.2017.53051
2,088
Downloads
5,213
Views
Citations
Promethazine-Tetraphenyl Boron(III) Modified Carbon Paste Electrode for the Determination of Promethazine Hydrochloride
(Articles)
Sayed
Sayed
Badawy
,
Sherif Abo
El
Seoud
El
Said
American Journal of Analytical Chemistry
Vol.4 No.5
,May 23, 2013
DOI:
10.4236/ajac.2013.45032
3,388
Downloads
5,698
Views
Citations
Permeability Prediction Using Hydraulic Flow Units: Baltim North Gas Field, Nile Delta, Egypt
(Articles)
Abdel Moktader A.
El
Sayed
,
Samy Zayed
,
Nahla A.
El
Sayed
International Journal of Geosciences
Vol.12 No.2
,February 5, 2021
DOI:
10.4236/ijg.2021.122005
472
Downloads
1,571
Views
Citations
This article belongs to the Special Issue on
Geophysics
Study of Similarity Measures with Linear Discriminant Analysis for Face Recognition
(Articles)
Mohamed A.
El
-
Sayed
,
Kadry Hamed
Journal of Software Engineering and Applications
Vol.8 No.9
,September 16, 2015
DOI:
10.4236/jsea.2015.89046
7,090
Downloads
8,411
Views
Citations
A New Approach for Dispersion Parameters
(Articles)
Ahmed Mohamed Mohamed
El
-
Sayed
Journal of Applied Mathematics and Physics
Vol.4 No.8
,August 22, 2016
DOI:
10.4236/jamp.2016.48165
1,664
Downloads
2,771
Views
Citations
Studying the Changes of an Optimal Trajectory
(Articles)
Ahmed Mohamed Mohamed
El
-
Sayed
Open Access Library Journal
Vol.5 No.7
,July 16, 2018
DOI:
10.4236/oalib.1104716
392
Downloads
858
Views
Citations
Attitude Stabilization Using Modified Rodrigues Parameters without Angular Velocity Measurements
(Articles)
Awad
El
-Gohary
,
Tawfik
El
-
Sayed
Tawfik
World Journal of Mechanics
Vol.1 No.2
,April 20, 2011
DOI:
10.4236/wjm.2011.12008
6,446
Downloads
11,863
Views
Citations
Text Rank for Domain Specific Using Field Association Words
(Articles)
Omnia G.
El
Barbary
,
El
Sayed
Atlam
Journal of Computer and Communications
Vol.8 No.11
,November 20, 2020
DOI:
10.4236/jcc.2020.811005
234
Downloads
939
Views
Citations
Application of GC/EIMS in Combination with Semi-Empirical Calculations for Identification and Investigation of Some Volatile Components in Basil Essential Oil
(Articles)
Mamoun S. M. Abd
El
-Kareem
,
Mohamed Abd
El
Fattah Rabbih
,
Ezzat Taha Mohamed Selim
,
Elsherbiny Abd
El
-monem Elsherbiny
,
Ayman Yasen
El
-
Khateeb
Int'l J. of Analytical Mass Spectrometry and Chromatography
Vol.4 No.1
,March 30, 2016
DOI:
10.4236/ijamsc.2016.41002
4,757
Downloads
8,365
Views
Citations
Positron-Excited Lithium Atom Collisions
(Articles)
Salah Y.
El
-Bakry
,
El
-
Sayed
A.
El
-Dahshan
,
Khadija Ali
Journal of Modern Physics
Vol.4 No.6
,June 13, 2013
DOI:
10.4236/jmp.2013.46105
4,955
Downloads
6,701
Views
Citations
Waterlogging in the New Reclaimed Areas Northeast El Fayoum, Western Desert, Egypt, Reasons and Solutions
(Articles)
El
Sayed
Ali
El
Abd
,
Maged Mostafa
El
Osta
Journal of Water Resource and Protection
Vol.6 No.18
,December 18, 2014
DOI:
10.4236/jwarp.2014.618147
4,269
Downloads
5,684
Views
Citations
An Arbitrary (Fractional) Orders Differential Equation with Internal Nonlocal and Integral Conditions
(Articles)
Ahmed
El
-
Sayed
,
E. Bin-Taher
Advances in Pure Mathematics
Vol.1 No.3
,June 3, 2011
DOI:
10.4236/apm.2011.13013
5,645
Downloads
11,894
Views
Citations
Probabilistic Simulation Approach to Evaluate the Tooth-Root Strength of Spur Gears with FEM-Based Verification
(Articles)
EL
-
Sayed
S. Aziz
,
Constantin Chassapis
Engineering
Vol.3 No.12
,December 14, 2011
DOI:
10.4236/eng.2011.312142
9,238
Downloads
15,132
Views
Citations
On-Chip Inductor Technique for Improving LNA Performance Operating at 15 GHz
(Articles)
El
-
Sayed
A. M. Hasaneen
,
Nagwa Okely
Circuits and Systems
Vol.3 No.4
,October 30, 2012
DOI:
10.4236/cs.2012.34047
6,959
Downloads
11,247
Views
Citations
Excited State Interaction of Laser Dyes and Silver Nanoparticles in Different Media
(Articles)
Yusif S.
El
-
Sayed
,
Mohamad Gaber
Advances in Nanoparticles
Vol.1 No.3
,November 30, 2012
DOI:
10.4236/anp.2012.13008
5,449
Downloads
10,510
Views
Citations
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