This paper is devoted to study the existence of integral solutions for a nondensely defined semilinear functional differential equations involving the Riemann-Liouville derivative in a Banach space ... fractional order semilinear functional differential equations, Proc. A. Razmadze Math. Inst., 146 (2008), 9–20. [9] BELMEKKI, M., BENCHOHRA, M. AND GORNIEWICZ, L., Semilinear functional differential
Through a matrix approach of the $2$-fold vector cross product in $\mathbb{R}^3$ and in $\mathbb{R}^7$, some vector cross product differential and difference equations are studied. Either the ... product can be found in mathematical models of physical processes, control theory problems in particular, which involve di erential equations [ 6, 8 ]. In [6] and [ 7 ], through certain 3 3
In this paper, the authors obtain some new sufficient conditions for the oscillation of all solutions of the second order neutral difference equation Δ ( a n ( Δ z n ) β ) + q n x n − ℓ γ = 0 , n ≥ n ... Mathematics, Government Arts College (Autonomous), Salem, India References Agarwal, R.P.: Difference Equations and Inequalities. Marcel Dekker, New York (2000) MATHGoogle Scholar Agarwal, R.P., Bohner, M
differential-difference equations and arise in a number of biological models. ... . 20. CASTELAN, W.G. and INFANTE, E.F. On a functional equation arising in the stability theory of difference-differential equations, _Q.rt. Appl. Math. 35 (1977), 311-319. 27. MABIC-KULMA, B. On an
Riemann-Hilbert problems in the study of BPS spectra in \( \mathcal{N} \) = 2 gauge theories and of minimal surfaces in AdS. We also show that our TBA equations, combined with exact quantization conditions ... Mechanics with arbitrary polynomial potentials. These equations provide a generalization of the ODE/IM correspondence, and they can be regarded as the solution of a Riemann-Hilbert problem in resurgent
differential-difference equations to electrodynamics and biological models. ... Differential Equations with a Regular Singular Point, Differencial'nye Uravnenija I0 ( 1974 ), 1892 - 1894 . 5. SHAH , S. M. and WIENER , J. Reducible Functional Differential Equations , International Journal of
In this paper we define a new measure of noncompactness on and study its properties. As an application we study the existence of solutions for a class of nonlinear functional integral equations using ... . Brezis, Functional Analysis, Sobolev Spaces and Partial Differential Equations, Springer New York Dordrecht Heidelberg London, 2011. [ Links ] [12] G. Darbo, Punti uniti in trasformazioni a
free mass and grip strength in both HIV positive and negative adults (P<0.05). No difference was observed in eGFR between HIV positive and HIV negative adults. For all eGFR equations, the correlation ... composition and clinical parameters. Pearson?s correlation coefficient was used to show the correlation between 24-hr creatinine clearance and eGFR equations. Bias was calculated mean difference between 24-hr
Abstract The scattering equations are a set of algebraic equations connecting the kinematic space of massless particles and the moduli space of Riemann spheres with marked points. We present an ... , Scattering in Three Dimensions from Rational Maps, JHEP 10 (2013) 141 [arXiv:1306.2962] [INSPIRE].ADSCrossRefGoogle Scholar [8] F. Cachazo, S. He and E.Y. Yuan, Scattering equations and Kawai-Lewellen-Tye
Quantum Chemical calculations for group 14 elements of Periodic Table (C, Si, Ge, Sn, Pb) and their functional groups have been carried out using Density Functional Theory (DFT) based reactivity ... central atom. All these calculations were performed using the B3PW91 functional together with the 6-311++G** basis set level for H, C, Si, Ge, F, Cl and Br atoms and the 3-21G for Sn and I atoms
We obtain some oscillation criteria for solutions of the nonlinear delay difference equation of the form xn ... - 1465 (Russian). MR 83k:34069. Zbl 0496 . 34044 . [3] G. Ladas , C. G. Philos , and Y. G. Sficas , Sharp conditions for the oscillation of delay difference equations , J. Appl. Math. Simulation 2 ( 1989
We develop a coalgebraic approach to the study of solutions of linear difference equations over modules and rings. Some known results about linearly recursive sequences over base fields are ... linear difference equations over base fields is well understood, the theory over arbitrary ground rings and modules is still under development. It is becoming more interesting and is gaining increasingly
diverticula within 2–3 cm of the ampulla, have unclear etiology, though motility disorders, congenital defects, and aging may contribute to it. The prevalence of PAD varies widely in the literature (3–32%) [2 ... ]. There are reports of associations between PAD and biliary obstruction [3, 4], choledocholithiasis [5, 6], and pancreatitis [7], though they are generally thought to be asymptomatic. PAD can be
O B. SMITH 0 W.E. TAYLOR 0 0 Department of Mathematlcs Texas Southern University Houston , TX 77004 , USA equations - OSCILLATION AND NONOSCILLATION IN NONLINEAR THIRD ORDER DIFFERENCE EQUATIONS ... is called oscillatory. The problem of determining oscillatlon criteria for certain second order nonllnear difference equations has been investigated by Hooker and Patula [1], and Szmanda [ 2 ]. The
methods which is based on the central-difference and forward-difference approximations to derivatives. It is proved that three of the four methods have cubic convergence and another method has quadratic ... frequently in scientific work. In this paper, we have introduced some techniques for solving nonlinear equations. The techniques were based on the central-difference and forward-difference approximations to
Scalar difference equations \(x_{k+1}=f(x_k,x_{k-d})\) with delay \(d\in {\mathbb {N}}\) are well-motivated from applications e.g. in the life sciences or discretizations of delay-differential ... , that is differential equations. A first approach to tackle difference equations via discrete Lyapunov functionals is due to Mallet-Paret and Sell [17]. In showing that such an integer-valued functional V
Abstract We study the Harper-Hofstadter Hamiltonian and its corresponding non-perturbative butterfly spectrum. The problem is algebraically solvable whenever the magnetic flux is a rational multiple ... ] J. Gu and T. Sulejmanpasic, High order perturbation theory for difference equations and Borel summability of quantum mirror curves, JHEP 12 (2017) 014 [arXiv:1709.00854] [INSPIRE
In this paper we investigate the oscillatory and nonoscillatory behavior of solutions of certain mixed third and fourth order difference equations. Specific results are also obtained for the constant ... . - OSCILLATION AND NONOSCILLATION THEOREMS FOR SOME MIXED DIFFERENCE EQUATIONS (1.2) where P, is a sequence of positive numbers having a positive limit inferior, that is, there is a positive constant c 0 such
differential-difference equations to electrodynamics and biological models. ... Differential Equations with a Regular Singular Point, Differencial'nye Uravnenija I0 ( 1974 ), 1892 - 1894 . 5. SHAH , S. M. and WIENER , J. Reducible Functional Differential Equations , International Journal of
The eigenvalue problem in difference equations, (−1)n−kΔny(t)=λ∑i=0k−1pi(t)Δiy(t), with Δty(0)=0, 0≤i≤k, Δk ... A FOCAL BOUNDARY VALUE PROBLEM FOR DIFFERENCE EQUATIONS 0 CATHRYN DENNY and DARREL HANKERSON Department of Algebra, Combinatorics, and Analysis Auburn University Auburn , Alabama 36849-5307 , USA