المؤلفون: A. M. A. El-Sayed, H. H. G. Hashem, Sh. M. Al-Issa

المصدر: AIMS Mathematics, Vol 9, Iss 7, Pp 19276-19298 (2024)

مصطلحات موضوعية: constrained problem, functional integro-differential equation, fractal-fractional feedback control, hyers-ulam stability, pantograph equation, schauder's fixed point theorem, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2473-6988

URL الوصول: https://doaj.org/article/83d2685c11754103942277c74fc9a981

المؤلفون: Azza K. Khalifa, M. A. El-Sayed, Mohamed Ben Rhouma

المصدر: Advances in Difference Equations, Vol 2005, Iss 3, Pp 319-332 (2005)

مصطلحات موضوعية: Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1687-1839; https://doaj.org/toc/1687-1847

URL الوصول: https://doaj.org/article/b46e0090f4df413ea4a7628ffa0ce052

المؤلفون: Alaa E. Hamza, M. A. El-Sayed

المصدر: International Journal of Mathematics and Mathematical Sciences, Vol 21, Iss 2, Pp 331-340 (1998)

مصطلحات موضوعية: Difference Equations, Monotonic solutions, stability., Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/0161-1712; https://doaj.org/toc/1687-0425

URL الوصول: https://doaj.org/article/3b34624a279a4bec9e90bbc074876bab

المؤلفون: Sultan Almotairi, Elsayed Badr, M. A. Elsisy, F. A. Farahat, M. A. El Sayed

المصدر: Fractal and Fractional, Vol 8, Iss 7, p 404 (2024)

مصطلحات موضوعية: intuitionistic fuzzy set, multi-objective optimization, accuracy function fractional transportation problem, Thermodynamics, QC310.15-319, Mathematics, QA1-939, Analysis, QA299.6-433

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2504-3110/8/7/404; https://doaj.org/toc/2504-3110

URL الوصول: https://doaj.org/article/53faffd349d141e584bf6439455d2ad1

المؤلفون: M. A. El-Sayed

المصدر: International Journal of Mathematics and Mathematical Sciences, Vol 17, Iss 2, Pp 287-291 (1994)

مصطلحات موضوعية: oscillation theory, inhomogeneous linear equation, Stieltjes integro-differential equation., Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://doaj.org/toc/0161-1712; https://doaj.org/toc/1687-0425

URL الوصول: https://doaj.org/article/26f18ec0dbf944909e1569f90fb2706b

المؤلفون: Ayat Abu-elnasr Awwad, Rehab A. Hasan, Mohamed Ghazy Attia Hablas, Osama Mohammad Mohammad Abdelhay, Yahia Mohmmed Ahmed Dawood, Bothina Ahmed Mohamed, Khadiga Abdallah Abd Rabou, Taghreed Mahmoud Mohamed Salem, Marwa Elhady, Gehad Nabil Abd El-Aal, Ahmed Helal Elsayed Ahmed, Ahmed Ibrahim Mostafa Hasan, Asmaa Abd Elsalam Elmadbouly, Mohamed Basiouny Yahia, Walaa Mohamed Omar Ashry, Said S. M. M. El Sayed, Ashraf M. M. Algendy, Ahmad M. F. Alkot, Mohamed F. Farag, Ashraf Abdel Aty El Shenawy Emara, Fayez Mohammed Abd Elfattah Elbayoumy, Hany Fawzy Ali, Mohamed Morshdy Aldesoky, Raafat Abd-Rabow Abd-Eltwab, Samia M. Manawy, Eman Mohamed Faruk

المصدر: Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)

مصطلحات موضوعية: Medicine, Science

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2045-2322

URL الوصول: https://doaj.org/article/327a43a920da4be781914276cee526d2

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المؤلفون: Ahmed M. A. El-Sayed, Yasmin M. Y. Omar, Hind H. G. Hashem, Shorouk M. Al-Issa

المصدر: Foundations, Vol 3, Iss 1, Pp 37-48 (2023)

مصطلحات موضوعية: space of functions continuous and bounded on the half-axis, measure of noncompactness, fixed-point theorem of Darbo type, coupled system of integral equations, asymptotic stability, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2673-9321/3/1/4; https://doaj.org/toc/2673-9321

URL الوصول: https://doaj.org/article/856c33bf166f4b04971a2aab0e244eee

المؤلفون: Marwa Elbehairy, Yasser Gamiel, S.T. Assar, M. Kamel El Sayed

المصدر: Journal of Engineering Research - Egypt, Vol 6, Iss 3, Pp 76-81 (2022)

مصطلحات موضوعية: brinkman, permeability, porous, stokes, cylindrical, Engineering (General). Civil engineering (General), TA1-2040

وصف الملف: electronic resource

Relation: https://erjeng.journals.ekb.eg/article_259329_6f40ff28a93f09418aa287246002d2bc.pdf; https://doaj.org/toc/2356-9441; https://doaj.org/toc/2735-4873

URL الوصول: https://doaj.org/article/0c0815dde4f94ed98582669813f1317b

المؤلفون: S. M. Bayoumi, N. A. Omar, A. H. Mohanna, S. A. A. Ismail, M. Abed, A. M. A. El Sayed, F. I. El-Akhrasy, M. A. Issa

المصدر: Brazilian Journal of Biology, Vol 84 (2023)

مصطلحات موضوعية: field crops, horticultural crops, land snails, survey, population dynamics, Science, Biology (General), QH301-705.5, Zoology, QL1-991, Botany, QK1-989

وصف الملف: electronic resource

Relation: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842024000100450&tlng=en; https://doaj.org/toc/1678-4375

URL الوصول: https://doaj.org/article/b9c2a96bef474cb2be0132fb066066d1