Zobrazeno 1 - 10
of 497
pro vyhledávání: '"Salah Mahmoud"'
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 11, Iss , Pp 100756- (2024)
In this study, we introduce and investigate the SEIQRD COVID-19 model incorporating Allee and fear effects. Employing the next-generation matrix method, we derive the basic reproduction number, a crucial epidemiological metric. Our model exhibits two
Externí odkaz:
https://doaj.org/article/51afb411d91e439d993ca533ac29af95
Publikováno v:
AIMS Mathematics, Vol 9, Iss 5, Pp 13537-13552 (2024)
This paper presents the generalized Pell $ p- $numbers and provides some related results. A new sequence is defined using the characteristic polynomial of the Pell $ p- $numbers and generalized Mersenne numbers. Two algorithms for Diffie-Hellman key
Externí odkaz:
https://doaj.org/article/525b0e12181f4210b0b862ee2409b6ee
Autor:
Georgios Ponirakis, Ibrahim Al-Janahi, Einas Elgassim, Moayad Homssi, Ioannis N. Petropoulos, Hoda Gad, Adnan Khan, Hadeel B. Zaghloul, Hamda Ali, Mashhood A. Siddique, Fatima F. S. Mohamed, Lina H. M. Ahmed, Youssra Dakroury, Abeer M. M. El Shewehy, Ruba Saeid, Fadwa Mahjoub, Shaikha N. Al-Thani, Farheen Ahmed, Rawan Hussein, Salah Mahmoud, Nebras H. Hadid, Aisha Al Obaidan, Iuliia Salivon, Ziyad R. Mahfoud, Mahmoud A. Zirie, Yousuf Al-Ansari, Stephen L. Atkin, Rayaz A. Malik
Publikováno v:
Frontiers in Neuroscience, Vol 18 (2024)
IntroductionThis study was undertaken to investigate whether sustained rather than a single measure of corneal nerve loss was associated with the onset of diabetic peripheral neuropathy (DPN) and the progression of neuropathic symptoms and deficits i
Externí odkaz:
https://doaj.org/article/ddcf7369715549adbda9a72b6f3db371
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 10, Iss , Pp 100709- (2024)
This study explores a nonautonomous model of prey-predator dynamics, featuring continuous distributed delay and diffusion, with time-dependent parameters. Our model depicts two ecological patches hosting two species: predators remain localized in one
Externí odkaz:
https://doaj.org/article/a89b6b86b762477d9357edf1ce84b97d
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 9, Iss , Pp 100649- (2024)
Prey–predator models play a vital role in mathematical biology. The competition that evolves between them is addressed in a broad scenario. According to genetics theory, various specie’s genotypes yield different outcomes in competition. This ins
Externí odkaz:
https://doaj.org/article/7878dbbaa3a441ed97817ab10da68cc1
Publikováno v:
Results in Physics, Vol 57, Iss , Pp 107370- (2024)
The (2 + 1)-dimensional Konopelchenko-Dubrovsky system contributes to the field of atmospheric science by investigating the behaviour of nonlinear waves, revealing subtle scattering effects and extended-range interactions within the tropical and mid-
Externí odkaz:
https://doaj.org/article/cb6a295846bc4c8aa8e07fd25cbabb29
Autor:
Asfand Fahad, Salah Mahmoud Boulaaras, Hamood Ur Rehman, Ifrah Iqbal, Muhammad Shoaib Saleem, Dean Chou
Publikováno v:
Results in Physics, Vol 55, Iss , Pp 107114- (2023)
In this scholarly exploration, we employ new mapping method to unveil new soliton solutions to the nonlinear fractional Kudryashov’s equation, using β-derivative and M-Truncated fractional derivatives. Soliton phenomena, invaluable for enhancing c
Externí odkaz:
https://doaj.org/article/dfeeddd9f9e94e189c63bc7af6048b37
Publikováno v:
Egyptian Journal of Aquatic Research, Vol 48, Iss 4, Pp 367-373 (2022)
The Nile Delta is the oldest delta in the Mediterranean Basin, situated in the middle of its eastern geodynamics progress. It represents a major strategic area for Egypt. Beside the Mediterranean Sea level rise, the Nile Delta may suffer from subside
Externí odkaz:
https://doaj.org/article/28ce56a794d14afdbdf856d588d13a1b
Publikováno v:
Journal of Plant Protection Research, Vol vol. 62, Iss No 3, Pp 265-271 (2022)
Entomopathogenic nematodes (EPNs) are promising as biocontrol agents for the most economically important insect pest attacking a wide range of host plants. Therefore, the aim of this work was to study the impact of four artificial diets and one natur
Externí odkaz:
https://doaj.org/article/c130a24a5a114e86bd846e70f3f045f7
Autor:
Mohamed Alsaid Mahrous, Ali Radwan, Tharwat Abd El-Hafez, Salah Mahmoud, Mahmoud Gomaa, Mahmoud Zayed
Publikováno v:
Iraqi Geological Journal, Vol 55, Iss 2A, Pp 19-28 (2022)
Nile Delta region in northern Egypt and the Nile River separates it into two branches in the west, at Rosetta, and in the east, at Damietta, before draining into the Mediterranean Sea. Nile Delta is the most valuable commercial, agricultural, and ind
Externí odkaz:
https://doaj.org/article/7327290c1dbf43099ba9f149155760fa