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Uluslararası
Bernstein operator method for approximate solution of singularly perturbed Volterra integral equations
USTA FUAT, AKYİĞİT MAHMUT, SAY FATİH, Ansari Khursheed J. , Yayın Yeri: Journal of Mathematical Analysis and Applications , 2022
UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1016/j.jmaa.2021.125828
On the asymptotic behavior of a second-order general differential equation
SAY FATİH , Yayın Yeri: Numerical Methods for Partial Differential Equations , 2022
UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1002/num.22774
Recurrence relationship of successive level singulants
SAY FATİH , Yayın Yeri: Mathematical Methods in the Applied Sciences , 2022
UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1002/mma.7896
Optimal successive complementary expansion for singular differential equations
SAY FATİH , Yayın Yeri: Mathematical Methods in the Applied Sciences , 2021
UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1002/mma.6228
Late-order terms of second order ODEs in terms of pre-factors
SAY FATİH , Yayın Yeri: Hacettepe Journal of Mathematics and Statistics , 2021
UluslararasıHakemliSCI-ExpandedÖzgün Makalehttp://dx.doi.org/10.1002/mma.6228
First-order general differential equation for multi-level asymptotics at higher levels and recurrence relationship of singulants
SAY FATİH , Yayın Yeri: COMPTES RENDUS MATHEMATIQUE , 2021
UluslararasıHakemliSCIÖzgün Makalehttp://dx.doi.org/10.5802/crmath.264
Asymptotics of singularly perturbed Volterra type integro-differential equation
SAY FATİH , Yayın Yeri: Konuralp Journal of Mathematics , 2020
UluslararasıHakemliMathSciNet, Zentralblatt fur MathematikÖzgün Makalehttps://dergipark.org.tr/en/pub/konuralpjournalmath/issue/31495/801153
Ulusal
High-order coefficients of second-order ODEs in relation to pre-factors for complex parameter
SAY FATİH , Yayın Yeri: Fundamental Journal of Mathematics and Applications , 2020
UlusalHakemliTR DİZİNÖzgün Makalehttp://dx.doi.org/10.33401/fujma.725913