Scientific Publications
Books
Papers with
Referee
Oscillatory
retarded functional systems, José M. Ferreira e Sandra Pinelas,
Journal of Mathematical Analysis and Applications, 285 (2003), 506-527.
Nonoscillations
in retarded equations, S. Pinelas, in Proceedings of the
International Conference on Dynamical Systems and Applications, Antalya 2004,
H. Akca, V. Covachev and A.
Boucherif
(eds.), GBS Publishers & Distributors, New Delhi, 2005, 563-571.
On
the nonoscillatory behavior
of retarded systems, José M. Ferreira e Sandra Pinelas,
Journal of Mathematical Analysis and Applications 308 (2005), 714-729.
Oscillatory mixed difference systems,
José M. Ferreira e Sandra Pinelas, Advances in Difference Equations, vol. 2006,
Article ID 92923 (2006), 1-18.
Nonoscillations
in odd order difference systems of mixed type, Sandra
Pinelas, Proceedings of the International Conference on Difference Equations,
Special Functions and Applications, Munique 2005, S. Elaidy, J. Cushing, R. Lassr, V. Papageorgou, A. Ruffing, W. Van Assche (eds.), World Scientific, 2006, 507-519.
On
the oscillations of fourth order functional differential equations,
Said R. Grace, Ravi P. Argawal e Sandra Pinelas, Communications in Applied
Analysis 13 (2009), no. 1, 93–104.
Qualitative
theory of divided difference first order systems, Ravi P. Agarwal e Sandra Pinelas, Communications on Applied
Nonlinear Analysis 16 (2009), Number 2, 83–105.
On
nonoscillation of mixed advanced-delay differential
equations with positive and negative coefficients, Leonid Berezansky, Elena Braverman e
Sandra Pinelas, Computers and Mathematics with Applications 58 (2009), 766-775.
Oscillations
and nonoscillations in mixed differential equations
with monotonic delays and advances, Sandra Pinelas, Advances in
Dynamical Systems and Applications 4 (2009) Number 1, 107-121.
Nonautonomous
oscillators and coefficient evaluation for orthogonal function systems,
José M. Ferreira, Sandra Pinelas e Andreas Ruffing,
Journal of Difference Equations and Applications, Volume 15, Issue 11
& 12 November 2009, pages 1117 - 1133.
Oscillatory generalized Lucas sequences, José M. Ferreira e Sandra Pinelas, International Journal of Difference Equations
vol. 2010, Article ID 596350,
15 pages.
Complementary
Lidstone interpolation and boundary value problems,
Ravi P. Agarwal, Sandra Pinelas, and Patricia J. Y.
Wong, Journal of Inequalities and Applications, vol. 2009, Article ID 624631,
30 pages, 2009.
Oscillatory
mixed differential systems, José M. Ferreira, Sandra Pinelas, Funkcialaj Ekvacioj, Vol. 53
(2010) Number 1, 1-20.
Oscillations
criteria for second order nonlinear differential equations with damping and
mixed nonlinearities, E. Thandapani,
Oscillation
Criteria for Forced Second Order Mixed Type Quasilinear
Delay, E. Thandapani, S. Murugadass and Sandra Pinelas, Electronic Journal of
Differential Equations, Vol. 2010 (2010), No. 73, pp. 1-9.
Bounds
for Analytic Solutions to Integral Equations in the Complex Domain,
Ravi P. Agarwal, Donal O’Regan and Sandra Pinelas Applied Mathematics Letters, Volume 23, Issue 8, August 2010, Pages
847-851.
Oscillatory
mixed differential difference equations, Sandra
Pinelas, Discrete Dynamics and Difference Equations: Proceedings
of the Twelfth International Conference on Difference Equations and
Applications, Lisboa 2007,
Comparison
and oscillatory behavior for certain second order
nonlinear dynamic equations, Said R. Grace, Ravi P. Agarwal e Sandra Pinelas, Journal of Applied Mathematics
and Computing, 1-12, January 27, 2010.
Oscillation
Criteria for Certain Fourth Order Nonlinear Difference Equations,
Said R. Grace, Ravi P. Agarwal and Sandra Pinelas
Communications in Applied Analysis 14 (2010), no. 4, 337–342.
On
the Oscillatory and Asymptotic Behavior of Certain
Fourth Order Difference Equations, Said R. Grace, Ravi P. Agarwal e Sandra Pinelas, Functional Differential Equations
17 (2010), no.1–2, 105–112.
Solution and Generalized Hyers-Ulam Stability of a 2-variable Cubic Functional
Equation, K. Ravi, B.V. Senthil
Kumar, E. Thandapani e Sandra Pinelas, PanAmerican Mathematical Journal, Volume 20(2010), Number
4, 15–30.
Boundary
Value Problems for Differential Equations Involving Riemann-Liouville
Fractional Derivative on the Half-Line, Ravi P. Agarwal, Mouffak Benchohra, Samira Hamani e Sandra
Pinelas, Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 18, No. 2, 235-244
(2011).
Oscillation criteria for second order
neutral delay dynamic equations with mixed nonlinearities, Ethiraju
Thandapani, V. Piramanantham
e Sandra Pinelas, Advances in Difference Equations Volume 2011, Article ID
513757, 14 pages.
Asymptotic
Behavior of Solutions of Certain Nonlinear
Differential and Integro-differential Equations,
Said R. Grace and Sandra Pinelas, Proc.
Jangjeon Math. Soc., Volume 13(2), 2010.
Analytical and numerical treatment of
oscillatory mixed differential equations with differentiable delays and
advances, Journal of Computational and Applied Mathematics,
José M. Ferreira, Neville J Ford, Md. Abdul Malique,
Sandra Pinelas, Yubin Yan, Journal of Computational
and Applied Mathematics 235 (2011) 5112-5130.
On the Oscillation of Fourth Order Superlinear Dynamic Equations on Time Scales,
Said R. Grace, Ravi P. Agarwal e Sandra Pinelas,
Dynamic Systems and Applications 20 (2011) 45-54.
Oscillation of Some Fourth-Order
Difference Equations, Said R. Grace,
Oscillation of
Nonlinear Difference Equations with Delayed Argument,
Oscillatory Behavior of Odd Order Neutral
Delay Dynamic Equations on Time-Scales,
Said R. Grace, Sandra Pinelas and Ravi P. Agarwal, International
Journal of Dynamical Systems and Differential Equations (In press).
Comparison
and Oscillation Theorem for Second-Order Nonlinear Neutral Difference Equations
of Mixed Type, E. Thandapani, N. Kavitha and
Oscillation Criteria for Second-Order
Nonlinear Neutral Difference Equations of Mixed Type,
E. Thandapani,
Necessary Conditions for Existence of
Positive Solutions of Second Order Nonlinear Difference Equations and
Sufficient Conditions for Oscillation of Solutions, R. Koplatadze e S. Pinelas, Nonlinear Oscillations (Accepted).
Upper
and Lower Solutions Method for Impulsive Differential Equations Involving the
Caputo Fractional Derivative, Ravi P. Agarwal,
Mouffak Benchohra, Samira Hamani e Sandra Pinelas (Submitted).
Oscillation Theorems of Fourth Order
Nonlinear Dynamic Equations on Time Scales, E. Thandapani, V. Piramanantham e
Sandra Pinelas, International Journal of Pure and Applied mathematics (Submitted).
Oscillation Criteria for Certain Fourth
Order Sublinear Dynamic Equations on Time Scales,
Said R. Grace,
Oscillation Criteria for nth Order Nonlinear Dynamic Equations on
Time-Scales, Said R. Grace, Sandra Pinelas and
Ravi P. Agarwal, (Submitted).
Oscillatory
Difference Equations and Moment Problems, José M.
Ferreira, Sandra Pinelas e Andreas Ruffing, (Submitted).