. Mathematics & Physics 2025, 18(1), 5–13 EDN: ACYSPC УДК 517.5 Certain Integral Formulas Involving Products of Two Incomplete Beta Functions Ahmed Ali Atash∗ Department of Mathematics Faculty of Education – Shabwah Shabwah University Yemen Received 10...
reserved ⃝ –5– (4) �Ahmed Ali Atash Certain Integral Formulas Involving Products of Two . . . The incomplete beta function is defined as follows [8]: ∫ z ta−1 (1−t)b−1 dt, 06z 61, a,b>0. Bz (a,b)= (5) 0 Further, the substitution t=sin2 (θ) gives...

: txT + bxT−1 + cym + dym−1 + h = 0; (n > 2;m > 2)} : (7) – 217 – Salah Benyoucef, Ahmed Bendjeddou Kolmogorov System with Explicit Hyperbolic Limit Cycle Proof. We will prove that Γ is composed of closed trajectory, it is nonsingular and an invariant...
⇔ h Q (−1)m ( m− 1 c )m−1( d m )m ; q (−b(n− 1) tn ) < 0⇔ h < (−1)m ( m− 1 c )m−1( d m )m + (−1)T ( n− 1 t )T−1( b n )T : – 218 – Salah Benyoucef, Ahmed Bendjeddou Kolmogorov System with Explicit Hyperbolic Limit Cycle We conclude that if h satisfies...

(x) is a Cauchy sequence in this Banach space: ‖sx − sm‖∞ = mxx∀x∈J |sx − sm| = mxx∀x∈J ??? x∑ i5( ui(x)− m∑ i5( ui(x) ??? = – 697 – Ahmed A.Hamoud, Kirtiwant P.Ghadle Existence and Uniqueness of the Solutions . . . = mxx ∀x∈J ??? x∑ i5m+) ui(x) ??? = = mxx...
+) − sm‖∞ + ‖sm+2 − sm+)‖∞ + · · ·+ ‖sx − sx−)‖∞ 6 6 [ m + m+) + · · ·+ x−)]‖s) − s(‖∞ 6 6 m[1 + + 2 + · · ·+ x−m−)]‖s) − s(‖∞ 6 6 m(1− x−m 1− )‖u)‖∞: – 698 – Ahmed A.Hamoud, Kirtiwant P.Ghadle Existence and Uniqueness of the Solutions...

stream_source_info abstract_dmcs_good_governance_saeed_ahmed_siddiquee.pdf.txt stream_content_type text/plain stream_size 2936 Content-Encoding ISO-8859-1 stream_name abstract_dmcs_good_governance_saeed_ahmed...
_siddiquee.pdf.txt Content-Type text/plain; charset=ISO-8859-1 Governance of Local Disaster Management Committees in line with SOD in Bangladesh Saeed Ahmed Siddiquee1 Due to its geographical location Bangladesh has always been prone to natural disasters...

P (λ) Qk (λ) uk dλ. 2π Γ (3.12) X k=0 As a consequence of Corollary 2.2, we can able to write ∥um (t)∥X 6 C 2π ∫ m |λ| etReλ eσ|λ| Γ n−1 ∑ k=0 for λ ∈ G (a, θ) , where – 308 – fk (|λ|) ∥uk ∥X dλ, (3.13) �Habiba Toumi, Ahmed Nouar...
< m,  1 tk−m eλt λm−k−1 dλ = k > m.  2πi Γ (k − m)! – 309 – (3.16) �Habiba Toumi, Ahmed Nouar On the p-fold Well-posedness of Higher Order Abstract . . . Proof. Let us introduice the sets ΓR , ∆R , and ∆ as follows: ΓR = {λ ∈ Γ, |λ| 6 R} . ∆R...

. Mathematics & Physics 2021, 14(3), 313–325 DOI: 10.17516/1997-1397-2021-14-3-313-325 УДК 517.9 Uniqueness and Stability Results for Caputo Fractional Volterra-Fredholm Integro-Differential Equations Ahmed A.Hamoud∗ Department of Mathematics Taiz University...
) = x0. ∗drahmedselwi985@hotmail.com https://orcid.org/0000-0002-8877-7337 c⃝ Siberian Federal University. All rights reserved – 313 – Ahmed A.Hamoud Uniqueness and Stability Results for Caputo Fractional Volterra-Fredholm . . . Lauran (2011) [19...

Federal University. Mathematics & Physics 2019, 12(3), 285–297 УДК 517.9 A Class of Quintic Kolmogorov Systems with Explicit Non-algebraic Limit Cycle Ahmed Bendjeddou Department of Mathematics, Faculty of sciences University of setif 1, 19000 Algeria...
on an open set Ω of R2 if there exists a non constant continuously differentiable function H : Ω 7−→ R called a first integral of this system on Ω which �med_grazem@univ-boumerdes.dz c⃝ Siberian Federal University. All rights reserved – 285 – Ahmed Bendjeddou...

. Engineering & Technologies 2021 14(1): 5-16 ~ ~ ~ DOI: 10.17516/1999-494X-0285 УДК 621.311 Load Flow and Transient Stability Analyses for an Integrated Solar Combined Cycle Station in Iraqi Southern by Using ETAP Ahmed Z. Abass*, Dmitry A. Pavlyuchenko...
наблюдается улучшение характеристики напряжения, уменьшение потерь и улучшение коэффициента мощности. Список литературы / References [1] Ahmed Z. Abass, D.A Pavlyuchenko,» The exploitation of western and southern deserts in Iraq for the production of solar...

. Mathematics & Physics 2023, 16(2), 216–229 EDN: HILTMN УДК 517.9 Theoretical Analysis for a System of Nonlinear ϕ-Hilfer Fractional Volterra-Fredholm Integro-differential Equations Ahmed A. Hamoud∗ Nedal M. Mohammed† Department of Mathematics & Computer...
function ϱ with respect to the function ϕ on [n, m] are defined by ∫ x 1 Inς;ϕ ϱ(x) = ϕ′ (η)(ϕ(x) − ϕ(η))ς−1 ϱ(η)dη + Γ(ς) n and ς;ϕ Im − ϱ(x) = 1 Γ(ς) ∫ m ϕ′ (η)(ϕ(η) − ϕ(x))ς−1 ϱ(t)dη x respectively. – 217 – �Ahmed A. Hamoud . . . Theoretical...

P �( = ( l∑ i5( bir i+2� cnsi+) � sim2� � + n∑ i5( air i+2�+) cnsi+) � sim2�+) � + + m∑ i5( xir i+2�+) cnsi � sim2�+2 � + k∑ i5( yir i+2� cnsi � sim2�+) � ) P – 147 – Ahmed Bendjeddou, Aziza Berbache, Abdelkrim Kina Limit Cycles for a Class of Polynomial...
odd Bir i+2� ∫ 2� ( Bi+)P2� (�( y� + m∑ i5( i even Cir i+2�+) ∫ 2� ( BiP2�+2 (�( y� = = [ l−12 ]∑ i5( B2i+)V2i+2P2i (1.( r 2i+2�+) + [m2 ]∑ i5( C2iV2iP2i+2 (1.( r 2i+2�+) = = r2�+)P) ( r2 ) O – 150 – Ahmed Bendjeddou, Aziza Berbache, Abdelkrim Kina...