Scientific Publications

Books

Ravi P. Agarwal, Kanishka Perera, Sandra Pinelas, An Introduction to Complex Analysis, Springer, 2011.

Editor of Proceeding books

  1. S. Pinelas, M. Chipot and Z. Dosla (Eds.). Differential and Difference Equations with Applications. Springer Proceedings in Mathematics & Statistics 47, 665 p., Springer, New York, 2013.

  2. S. Pinelas, Z. Dosla, O. Dosly and P. Kloeden (Eds.). Differential and Difference Equations with Applications. Springer Proceedings in Mathematics & Statistics 164, 451 p., Springer, New York, 2016.

  3. Sandra Pinelas, Tomás Caraballo, Peter Kloeden and John R. Graef, Differential and Difference Equations with Applications. Springer Proceedings in Mathematics & Statistics 230, 662 p., Springer, New York, 2018.

  4. João Reis, Sandra Pinelas and Nuno Melão, Industrial Engineering and Operations Management I, XXIV IJCIEOM, Lisbon, Portugal, July 18 - 20 Springer Proceedings in Mathematics & Statistics 280, 580 p., Springer, New York, 2019

  5. João Reis, Sandra Pinelas e Nuno Melão, Industrial Engineering and Operations Management II, XXIV IJCIEOM, Lisbon, Portugal, July 18 - 20 Springer Proceedings in Mathematics & Statistics 281, 662 p., Springer, New York, 2019

  6. Sandra Pinelas, Arkadii Kim and Victor Vlasov, Mathematical Analysis With Applications - In Honor of the 90th Birthday of Constantin Corduneanu, Ekaterinburg, Russia, July 2018 Springer Proceedings in Mathematics & Statistics 318, 422, Springer, New York, 2020

Papers with referee

  1. José M. Ferreira and Sandra Pinelas, Oscillatory retarded functional systems, Journal of Mathematical Analysis and Applications, 285 (2003), 506-527

  2. S. Pinelas, Nonoscillations in retarded equations, 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.

  3. José M. Ferreira and Sandra Pinelas, Nonoscillations in retarded systems, Journal of Mathematical Analysis and Applications 308 (2005), 714-729.

  4. José M. Ferreira and Sandra Pinelas, Oscillatory mixed difference systems, Advances in Difference Equations, vol. 2006, Article ID 92923 (2006), 1-18.

  5. Sandra Pinelas, Nonoscillations in odd order difference systems of mixed type, 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.

  6. Said R. Grace, Ravi P. Argawal and Sandra Pinelas, On the oscillations of fourth order functional differential equations, Communications in Applied Analysis 13 (2009), no. 1, 93–104.

  7. Ravi P. Agarwal and Sandra Pinelas, Qualitative theory of divided difference first order systems, Communications on Applied Nonlinear Analysis 16 (2009), Number 2, 83–105.

  8. Leonid Berezansky, Elena Braverman and Sandra Pinelas, On nonoscillation of mixed advanced-delay differential equations with positive and negative coefficients, Computers and Mathematics with Applications 58 (2009), 766-775.

  9. Sandra Pinelas, Oscillations and nonoscillations in mixed differential equations with monotonic delays and advances, Advances in Dynamical Systems and Applications 4 (2009) Number 1, 107-121.

  10. José M. Ferreira, Sandra Pinelas and Andreas Ruffing, Nonautonomous oscillators and coefficient evaluation for orthogonal function systems, Journal of Difference Equations and Applications, Volume 15, Issue 11 & 12 November 2009, pages 1117 - 1133.

  11. Ravi P. Agarwal, Sandra Pinelas and Patricia J. Y. Wong, Complementary Lidstone interpolation and boundary value problems, Journal of Inequalities and Applications, vol. 2009, Article ID 624631, 30 pages, 2009.

  12. José M. Ferreira and Sandra Pinelas, Oscillatory generalized Lucas sequences, International Journal of Differential Equations vol. 2010, Article ID 596350, 15 pages.

  13. José M. Ferreira and Sandra Pinelas, Oscillatory mixed differential systems, Funkcialaj Ekvacioj, Vol. 53 (2010) Number 1, 1-20.

  14. E. Thandapani, S. Murugadass and Sandra Pinelas, Oscillations criteria for second order nonlinear differential equations with damping and mixed nonlinearities, Journal Functional Differential Equations, Vol. 17 (2010) Number 1-2, 1-10.

  15. E. Thandapani, S. Murugadass and Sandra Pinelas, Oscillation Criteria for Forced Second Order Mixed Type Quasilinear Delay Differential Equations, Electronic Journal of Differential Equations, Vol. 2010 (2010), No. 73, pp. 1-9.

  16. Ravi P. Agarwal, Donal O’Regan and Sandra Pinelas, Bounds for Analytic Solutions to Integral Equations in the Complex Domain, Applied Mathematics Letters, Volume 23, Issue 8, August 2010, Pages 847-851.

  17. Sandra Pinelas, Oscillatory mixed differential difference equations, Discrete Dynamics and Difference Equations: Proceedings of the Twelfth International Conference on Difference Equations and Applications, Lisboa 2007, S. Elaidy (ed.), World Scientific 2010.

  18. Said R. Grace, Ravi P. Agarwal and Sandra Pinelas, Oscillation Criteria for Certain Fourth Order Nonlinear Difference Equations, Communications in Applied Analysis 14 (2010), no. 4, 337–342.

  19. Said R. Grace, Ravi P. Agarwal and Sandra Pinelas, On the Oscillatory and Asymptotic Behavior of Certain Fourth Order Difference Equations, Functional Differential Equations 17 (2010), no.1–2, 105–112.

  20. K. Ravi, B.V. Senthil Kumar, E. Thandapani and Sandra Pinelas, Solution and Generalized Hyers-Ulam Stability of a 2-variable Cubic Functional Equation, PanAmerican Mathematical Journal, Volume 20(2010), Number 4, 15–30.

  21. Said R. Grace and Sandra Pinelas, Asymptotic Behavior of Solutions of Certain Nonlinear Differential and Integro-differential Equations, Proc. Jangjeon Math. Soc., Volume 13(2), 2010.

  22. Said R. Grace, Ravi P. Agarwal and Sandra Pinelas, Comparison and oscillatory behavior for certain second order nonlinear dynamic equations, Journal of Applied Mathematics and Computing, 35 (2011), 525 - 536.

  23. Ravi P. Agarwal, Mouffak Benchohra, Samira Hamani and Sandra Pinelas, Boundary Value Problems for Differential Equations Involving Riemann-Liouville Fractional Derivative on the Half-Line, Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 18, No. 2, 235-244 (2011).

  24. Ethiraju Thandapani, V. Piramanantham and Sandra Pinelas, Oscillation criteria for second order neutral delay dynamic equations with mixed nonlinearities, Advances in Difference Equations Volume 2011, Article ID 513757, 14 pages.

  25. José M. Ferreira, Neville J Ford, Md. Abdul Malique, Sandra Pinelas and Yubin Yan, Analytical and numerical treatment of oscillatory mixed differential equations with differentiable delays and advances, Journal of Computational and Applied Mathematics, 235 (2011) 5112-5130.

  26. Said R. Grace, Ravi P. Agarwal and Sandra Pinelas, On the Oscillation of Fourth Order Superlinear Dynamic Equations on Time Scales, Dynamic Systems and Applications 20 (2011) 45-54.

  27. Said R. Grace, Ravi P. Agarwal, Martin Bohner and Sandra Pinelas, Oscillation of Some Fourth-Order Difference Equations, International Journal of Difference Equations, Volume 6, Number 2, pp. 105–112 (2011).

  28. Ravi P. Agarwal, Mouffak Benchohra, Samira Hamani and Sandra Pinelas, Upper and Lower Solutions Method for Impulsive Differential Equations Involving the Caputo Fractional Derivative, Memoirs on Differential Equations and Mathematical Physics, Vol 53 (2011) 1-12.

  29. Said R. Grace, Ravi P. Agarwal and Sandra Pinelas, Oscillation Criteria for a Certain Fourth Order Sublinear Dynamic Equations on Time Scales, Annals of Differential Equations, Year 2011, Issue 3, Page 361-366.

  30. S. Pinelas and R. Koplatadze, Oscillation of Nonlinear Difference Equations with Delayed Argument, Communications in Applied Analysis 16 (2012), nº. 1, 87–96.

  31. E. Thandapani, N. Kavitha and S. Pinelas, Comparison and Oscillation Theorem for Second-Order Nonlinear Neutral Difference Equations of Mixed Type, Dynamic Systems and Applications, 21 (2012) 83-92.

  32. R. Koplatadze and S. Pinelas, On oscillations of solutions of second order nonlinear difference equations, Nonlinear Oscillations, Vol 15 (2012 ), No. 2, pp. 194-203.

  33. E. Thandapani, V. Piramanantham and Sandra Pinelas, Oscillation Theorems of Fourth Order Nonlinear Dynamic Equations on Time Scales, International Journal of Pure and Applied Mathematics, Volume 76 No. 4 2012, 455-468.

  34. E. Thandapani, N. Kavitha and S. Pinelas, Oscillation Criteria for Second-Order Nonlinear Neutral Difference Equations of Mixed Type, Advances in Difference Equations, 2012, 2012: 4.

  35. E. Thandapani, S.Padmavathi and S. Pinelas, Classifications of Solutions of Second-Order Nonlinear Neutral Differential Equations of Mixed Type, Advances in Difference Equations, 2012, 2012:226 DOI: 10.1186/1687-1847-2012-226.

  36. Said R. Grace, Sandra Pinelas and Ravi P. Agarwal, Oscillatory Behaviour of Odd Order Neutral Delay Dynamic Equations on Time-Scales, International Journal of Dynamical Systems and Differential Equations, Volume 4, Number 3/2012, 187-197.

  37. Said R. Grace, Sandra Pinelas and Ravi P. Agarwal, Oscillation Criteria for nth Order Nonlinear Dynamic Equations on Time-Scales, Journal of the Indian Mathematical Society, Vol. 80, Nos. 1-2, (2013), 79-85.

  38. R. Koplatadze and S. Pinelas, On oscillations of solutions of second order nonlinear difference equations, J. Math. Sciences, Vol 189 (2013), No. 5, pp. 784-794.

  39. R. P. Agarwal, M. Bohner, J. M. Ferreira and S. Pinelas, Delay Difference Equations: Coexistence of Oscillatory and Nonoscillatory Solutions, Analysis 33 (2013), 333–348.

  40. G. E. Chatzarakis, S. Pinelas and I. P. Stavroulakis, Oscillations of Difference Equations with Several Deviated Arguments, Aequationes Mathematicea, November 2013, DOI 10.1007/s00010-013-0238-2.

  41. E. Thandapani, S. Padmavathi and S. Pinelas, Oscillation Criteria For Even Order Nonlinear Neutral Differential Equations With Mixed Arguments, Journal in Advances in Mathematics, Vol. 1, 5, (2013), 575-589.

  42. Thandapani, S. Padmavathi and S. Pinelas, Oscillation Criteria For Even-Order Nonlinear Neutral Differential Equations of Mixed Type, Bulletin of Mathematical Analysis and Applications, Volume 6 Issue 1 (2014), Pages 9-22.

  43. K. Ravi, J. M. Rassias, S. Pinelas and P. Narasimman, The Stability of a Generalized Radical Reciprocal Quadratic Functional Equation in Felbin’s Space, Pan-American Mathematical Journal, Volume 24(2014), Number 1, 75-92.

  44. José M. Ferreira, Sandra Pinelas and Andreas Ruffing, Oscillatory Difference Equations and Moment Problems, Advances in Difference Equations, 2014, 2014:110.

  45. E. Thandapani, S. Padmavathi and S. Pinelas, Oscillation Results For Odd-order Nonlinear Neutral Differential Equations of Mixed Type, Dynamic Systems and Applications, 23 (2014) 63-74.

  46. K. Ravi, J.M. Rassias, Sandra Pinelas and R. Jamuna, A fixed point approach to the stability of a quadratic quartic functional equation in Paranormed spaces, Pan-American Mathematical Journal, Volume 24 (2014), Number 2, 61–84.

  47. R. Koplatadze and S. Pinelas, Oscillation Criteria for First Order Linear Difference Equations with Several Delay Arguments, Nonlinear Oscillations, vol. 17 (2014 ), No. 2, pp. 248-267.

  48. E. Thandapani, S. Padmavathi and S. Pinelas, Oscillation Criteria For Odd-Order Nonlinear Neutral Differential Equations with Advanced and Delayed Arguments, Electronic Journal of Differential Equations, Vol. 2014 (2014), No. 174, pp. 1-13.

  49. S. Pinelas, Asymptotic Behavior of Solutions to Mixed Type Differential Equation, Electron. J. Diff. Equ., Vol. 2014 (2014), No. 201, pp. 1-9.

  50. S. Selvarangam, E. Thandapani and S. Pinelas, Oscillation Theorems for Second Order Nonlinear Neutral Difference Equations, Journal of Inequalities and Apllications 2014, 2014:417.

  51. G. E. Chatzarakis, J. Manojlovic, S. Pinelas and I. P. Stavroulakis, Oscillation criteria of difference equations with several deviating arguments, The Yokohama Mathematical Journal, Vol 60, 2014.

  52. G. E. Chatzarakis, H. Péics, S. Pinelas and I. P. Stavroulakis, Oscillation Results for Difference Equations with Oscillating Coefficients, Advances in Difference Equations, ( 2015) 2015:53.

  53. D. Segher, E. Thandapani and S. Pinelas, Some New Oscillation Theorems for Second Order Difference Equations with Mixed Neutral Terms, British Journal of Mathematics & Computer Science 8(2): 121-133, 2015 Article no.BJMCS.2015.150.

  54. R. Koplatadze and S. Pinelas, Oscillation Criteria for the First-Order Linear Difference Equations with Several Delay Arguments, Journal of Mathematical Sciences August 2015, Volume 208, Issue 5, pp 571-592.

  55. P. Narasimman, K. Ravi and S. Pinelas, Stability of Pythagorean Mean Functional Equation, Global Journal of Mathematics, Vol. 4, No. 1, 2015, 398-411.

  56. E. Thandapani, D. Seghar and S. Pinelas, Oscillation Theorems for Second Order Difference Equations with Negative Neutral Term, Tamkang Journal of Mathematics, volume 46, number4, December 2015, 441-451.

  57. K. Ravi, S. Pinelas and A. Edwin Raj, A fixed Point Approach to Generalized Hyers-Ulam Stability of Quadratic Functional Equation in Matrix Normed Space, Enlightenment of Pure and Applied Mathematics, Vol. 1 (2015) Issue 2, 37-52.

  58. K. Ravi, S. Pinelas and R. Jamina, HUR-UGR-UJR Stabilities of a kl-cubic Funcional Equation in Quasi-β-normed Spaces: Direct and Fixed Point Methods, Enlightenment of Pure and Applied Mathematics, Vol. 1 (2015) Issue 2, 61-78.

  59. E. Thandapani, K. Manju and S. Pinelas, Interval Oscillation Criteria for Second-order Forced Impulsive Delay Differential Equations with Damping Term, SpringerPlus (2016) 5:558, 1-16.

  60. Leonid Berezansky and Sandra Pinelas, Oscillation Properties for a Scalar Linear Difference Equation of Mixed Type, Mathematica Bohemica (2016), no. 2, 169-182.

  61. K. Ravi, J. M. Rassias, S. Pinelas and S. Sabarinathan, A Fixed Point Approach to the Stability of Decic Functional Equation in Quasi-β-Normed Spaces, PanAmerica Math Journal, Volume 26 (2016), number 2, 1-21.

  62. Pasupathi Narasimman, K. Ravi and S. Pinelas, Modeling the Additive Functional Equations Through RSM Matrices, Journal of Advances in Mathematics, Vol. 12 (2016), number 10, 6714-6719.

  63. K. Ravi, J. M. Rassias, S. Pinelas and S. Suresh, General Solutions and Stability of Quattuordecic Functional Equation in Quasi β – Normed Spaces, Advances in Pure Mathematics, 2016, 6, 921-941.

  64. S. S. Santra and S. Pinelas, Qualitative behaviour for second order nonlinear delay differential equations of neutral type, Global Journal of Mathematics, Vol 8, nº 3, December 20, 2016.

  65. S. Salvarangam, S. Geetha, E. Thandapani and S. Pinelas, Classifications od Solutions of Second Order Nonlinear Neutral Difference Equations of Mixed Type, Journal Dynamics of Continuous, Discrete and Impulsive Systems, Seria B Applications and Algoritms 23 (2016) 433-447.

  66. A. K. Tripathy, S. S. Santra and S. Pinelas, Necessary and sufficient condition for asymptotic behavior of solutions of a class of first order impulsive systems, Advances in Dynamical Systems and Applications, Vol. 11, Number 2, (2016) pp. 135-145.

  67. S.Selvarangam, M.Madhan, E.Thandapani and S.Pinelas, Improved Oscillation Theorems For Third Order Neutral Type Difference Equations, Electronic Journal of Differential Equations, Vol. 2017 (2017) No. 90, pp. 1-13.

  68. Murali Ramdoss, Sandra Pinelas and Vithya Veeramani, Stability of Tridecic Functional Equation in Matrix Normed Spaces, Journal of Advances in Mathematics, Vol 13, n.2 p. 7135-7146.

  69. Murali Ramdoss, Sandra Pinelas and A. Antony Raj, Stability of Nonic Functional Equations in Multi-Banach Spaces, Global Journal of Mathematics, Vol. 10, nº 1, April 19, 2017, 626-633.

  70. S. Pinelas, G. B. A. Xavier, S. U. Vasantha Kumar and M. Meganathan, Laplace - Fibonacci Transform by the Solution of Second Order Generalized Difference Equation, Nonautonomus Dynamical Systems, 2017, 4: 22-30.

  71. Sandra Pinelas, M. Arunkumar, T. Namachivayam and E. Sathya, General Solution and Generalized Ulam-Hyers Stability of n-Dimensional Additive-Quadratic-Cubic-Quartic (AQCQ) Functional Equation, Malaya Journal of Mathematik, 5 (2) (2017), 202-240.

  72. S. Pinelas and J. Dix, Oscillations of Solutions to Non-linear First-Order Difference Equations with several Advanced Arguments, Opuscula Mathematica, 37 n6 (2017), 887-898.

  73. Sandra Pinelas, S. H. Saker and M. A. Alrohet, Oscillations Criteria of Second Order Neutral Difference Equations via Third Order Difference Equation, International Journal of Difference Equations, Volume 12, Number 1 , pp 131-143 (2017).

  74. Murali Ramdoss, Sandra Pinelas and A. Antony Raj, General Solution and a fixed point approach to the Ulam Hyers Stability of Viginti Duo Functional Equation in Multi-Banach Spaces, OISR Journal of Mathematics, Volume 13, Issue 4 Ver. II (jul-Aug. 2017) pp 48-59.

  75. R. Murali, Sandra Pinelas and V. Vithya, The stability of Vigility Unus Functional Equation in Various Spaces, Global Journal of Pure and Applied Mathematics, Vol. 13, n. 9 (2017), 5735-5759.

  76. Murali Ramdoss, Sandra Pinelas and Antony Raj Aruldass, Ulam-Hyers Stability of Hexadecic Functional Equations in Multi-Banach Spaces, Analysis, 37(4), 2017, pp 185-197.

  77. Sandra Pinelas and Ilia Tavkhelidze, Some Remarks about Links Which Appear After Cutting of Generalized Mobius-Listing’s Bodies GML(n,6), Proceeding of Ckhum-Abkhazian Academy of Sciences, volume 13-14, 2017, 28-50.

  78. S. Pinelas, M. Arunkumar, N. Mahesh Kumar and E.Sathyad, Stability of General Quadratic - Cubic - Quartic Functional Equation in Quasi Beta Banach Space Via Two Dissimilar Methods, Malaya Journal of Matematik, Vol. 6, No. 1, 2018, 113-128.

  79. Sandra Pinelas and Shyam S. Santra, Necessary and Sufficient Conditions for Oscillation of Nonlinear Neutral First Order Differential Equations with Several Delays, J. Fixed Point Theory Appl. (2018) 20: 27.

  80. Kalyan Das, N. H. Gazi, Sidartha Singha and Sandra Pinelas, Non-linear Dynamics of Expression of BMAL1: a Mathematical Study, International journal of NONlinear Studies, Vol. 25, No. 1, 2018, pp. 223-240

  81. Sandra Pinelas, Asymptotic Behavior of a Scalar Linear Difference Equation of Mixed Type, UPI Journal of Mathematics and Biostatistics, 2018, 1(1), 13-20.

  82. S. Vidhyaa, C. Dharuman, E. Thandapani and S. Pinelas, Oscillation Theorems for Third Order Nonlinear Delay Difference Equations, Mathematica Bohemica, 2018, 1-13.

  83. Sandra Pinelas, V. Govindan and K.Tamilvanan, Pfister 16 - Square Quadratic Functional Equation, Global Journal of Mathemathics, 2018, Vol.12, No.1, April 02, 760-772.

  84. Sandra Pinelas, V. Govindan and K. Tamilvanan, Stability of Non-Additive Functional Equation, IOSR Journal of Mathematics, Volume 14, Issue 2 Ver. I (Mar. - Apr. 2018), PP 60-78.

  85. K. Das, M. Naga Srinivas, N. Gazi and S. Pinelas, Stability of the zero solution of nonlinear tumor growth cancer model under the influence of white noise, International Journal of Systems Applications, Engineering & Development, Volume 12, 2018, 12-27.

  86. Sandra Pinelas and Ilia Tavkhelidze, Analytic Representation of Generalized Möbius-Listing’s Bodies and Classification of Links Appearing After Their Cut, In: Pinelas S., Caraballo T., Kloeden P., Graef J. (eds) Differential and Difference Equations with Applications. ICDDEA 2017. Springer Proceedings in Mathematics & Statistics, vol 230. Springer, 2018, 477-493

  87. Sandra Pinelas and S. Saitoh Division by Zero Calculus and Differential Equations. In: Pinelas S., Caraballo T., Kloeden P., Graef J. (eds) Differential and Difference Equations with Applications. ICDDEA 2017. Springer Proceedings in Mathematics & Statistics, vol 230. Springer, 2018, 399-418

  88. J. Selvarangam, M. Madhan, E. Thandapani and S. Pinelas, In: Pinelas S., Caraballo T., Kloeden P., Graef J. (eds) Differential and Difference Equations with Applications. ICDDEA 2017. Springer Proceedings in Mathematics & Statistics, vol 230. Springer, 2018, 509-523

  89. Haydar Akca, Sandra Pinelas and S. Saitoh, Division by Zero z/0=0 and Differential Equations, Int. J. Appl. Math. Stat.; Vol. 57; Issue No. 4; Year 2018, 125-145.

  90. R. Murali, Sandra Pinelas and A. Antony Raj, Stability of Orthogonally Additive-Cubic Functional Equation in Multi-Banach Spaces, Demonstr. Math. (2018) 51, 106–111.

  91. S. Mehar Banu, S. Nalini and Sandra Pinelas, Oscillation of Second Order Difference Equation with Several Sub-Linear Neutral Term, Far East Journal of Mathematical Sciences, Volume 104, Number 1, 2018, Pages 91-103.

  92. S. S. Santra, S. Pinelas and J. Dix, Necessary and Sufficient Conditions for Oscillation of Second-Order Nonlinear Differential Equations with Several Delays, Global Journal of Mathematics, Vol.12, No.2, August 06 (2018), 805-810.

  93. Sandra Pinelas, V. Govindan and K. Tamilvanan, New Type of Quadratic Functional Equation and Its Stability, International Journal of Mathematics Trends and Technology, Volume 60 Number 3 - August 2018, 180-186.

  94. V. Govindan, S. Pinelas, S.Murthy and M. Sree Shanmuga Velan, Generalized Hyers-Ulam Stability of a AQ Functional Equation, International Journal for Research in Engineering Application & Management, Vol-04, Issue-06, Sep 2018, 21-27.

  95. Sandra Pinelas, V. Govindan and K. Tamilvanan, Stability of Quartic Functional Equation, Fixed Point Theory Appl. (2018) 20: 148.

  96. Sandra Pinelas, G. Britto Antony Xavier. S. John Borg and S. Jaraldpushparaj, Discrete Heat Equation model of Rod by Partial Fibonacci Difference Operator with shift values, International Journal of Engineering & Technology, 7 (4.10) (2018) 706-709.

  97. Sandra Pinelas, V. Govindan and K. Tamilvanan, Stability of Cubic Functional Equation in Random Normed Space, Journal of Advances in Mathematics, Vol 14 No 2 (2018), 7864-7877.

  98. Sandra Pinelas, V. Govindan, S. Murthy and M. Sree Shanmuga Velan, Stability of a Additive-Quartic Functional Equation, International Journal for Research in Engineering Application & Management, Vol-04, Issue-07, Oct 2018.

  99. G. E. Chatzarakis, S. Pinelas and I. P. Stavroulakis, Correction to: Oscillations of Difference Equations with Several Deviated Arguments, Aequationes Mathematicea, July 2018 DOI: 10.1007/s00010-018-0581-4

  100. Sandra Pinelas and P.Rajiniganth, Fibonacci Sequence and its Sum by Second Order Difference Operator with Polynomial Factorial, Journal of Computational Mathematica, Vol. 2 (2), (2018), 22-31.

  101. S. Selvarangam, S. A. Rupadevi, E. Thandapani and S. Pinelas, Oscillation Criteria for Even Order Neutral Difference Equations of Mixed Type, Opuscula Math. 39, no. 1 (2019), 91–108.

  102. S. Vidhyaa, C. Dharuman, E. Thandapani and S. Pinelas, Oscillation Theorems for Third Order Nonlinear Delay Difference Equations, Mathematica Bohemica, vol. 144, no. 1, (2019), pages 25--37.

  103. K. Das, M. N. Srinivas, V. Madhusudanan and Sandra Pinelas, Mathematical Analysis of a Prey-predator System: An Adaptive Back Step Control and Stochastic Approach, Math. Comput. Appl. (2019), 24, 22.

  104. Sandra Pinelas, V. Govindan and K. Tamilvanan, Stability of Pinelas-Septoicosic Functional Equation, Open Journal of Mathematical Sciences, Vol. 3 (2019), Issue 1, pp. 11–28

  105. Jung Rye Lee, Choonkil Park, Sandra Pinelas, Viya Govindan, K. Tamilvanan and G. Kokila, Stability of a Sexvigintic Functional Equation, Nonlinear Functional Analysis and Applications Vol. 24, No. 2 (2019), pp. 293-325

  106. Clemente Cesarano and Sandra Pinelas, Paolo Emilio Ricci, The Third and Fourth Kind Pseudo-Chebyshev Polynomials of Half-Integer Degree, Symmetry 2019, 11 (2) 274

  107. Sandra Pinelas and Paolo Emilio Ricci, On Sheffer polynomial families, 4open 2019, 2, 4

  108. Sandra Pinelas, V.Govindan and K. Tamilvanan, On the Stability of a n-Dimensional additive Functional Equation in Banach Spaces and Fuzzy Normed Space, Frontiers in Functional Equations and Analytic Inequalities, Volume 136, pp.159-181 Springer Book Series

  109. Sandra Pinelas, M. Meganathan and G. Britto Antony Xavier, Fractional Frequency Laplace Transform by Inverse Difference Operator With Shift Value, Open J. Math. Sci. 2019, 3, 121-128

  110. Clemente Cesarano, Sandra Pineals, Faisal Al-Showaikh and Omar Bazighifan, Asymptotic properties of solutions of fourth-order delay differential equations, Symmetry, 2019, 11, 628, 1-10.

  111. A. Bodaghi, S. Pinelas, V. Govindan and G. Kokila, An n-dimensional cubic functional equation and its Hyers–Ulam stability, J Anal 28, 663–682 (2020).

  112. Ali Fuat Yeniçerioglu, Sandra Pinelas and Yubin Yan, On the Behavior of the Solutions for Linear Autonomous Mixed Type Difference Equation, Rend. Circ. Mat. Palermo, II. Ser (2019).

  113. Sandra Pinelas, V. Govindan and K. Tamilvanan, Solution and Stability of an n-D Functional Equation, Analysis, Volume 39 (2019), Issue 3. Pages 107-115.

  114. Sandra Pinelas and Shyam S. Santra, Necessary and Sufficient Conditions for Oscillation of Nonlinear First Order Forced Differential Equations with Several Delays of Neutral Type, Analysis, Volume 39 (2019), Issue 3, Pages 97–105

  115. S. Pinelas and S. S. Santra, On Oscillatory Second-Order Nonlinear Delay Differential Equations of Neutral Type, Open J. Math. Sci. 2019, 3, 382-389;

  116. Sandra Pinelas, B. Mohan and Vignesh, Higher Order Fibonacci Summation Formula with Extorial Functions, J. Comp. Matha. , Volume 3, Issue 1, 2019:62-74

  117. R. Murali, P. Divyakumari and Sandra Pinelas, Generalized Additive Functional Equation in Digital Spatial Image Crypto Technics System, IOSR Journal of Mathematics, Volume 15, Issue 4 Ser. I (Jul – Aug 2019), pp. 69-76.

  118. Sandra Pinelas and Paolo Emilio Ricci, Circular based Sheffer polynomial sequences, Bulletin of the Allahabad Mathematical Society, Vol 34 (2) 2019, 217-234.

  119. Viya Govindan, Choonkil Park, Sandra Pinelas and S. Baskaran, Solution of a 3-D Cubic functional equation and its stability, AIMS Mathematics, 2020, 5(3): 1693–1705.

  120. Vediyappan Govindan and Sandra Pinelas, Hyers-Ulam stability of quadratic functional equation, 2020 J. Phys.: Conf. Ser. 1597 012002

  121. Vediyappan Govindan, Nallappan Gunasekaran and Sandra Pinelas, Stability of an non-additive functional equation, 2020 J. Phys.: Conf. Ser. 1597 012042

  122. V. Govindan, Choonkil Park, Sandra Pinelas and Themistocles M. Rassias, Hyers-Ulam stability of an additive-quadratic functional equation, CUBO A Mathematical Journal Vol.22, N02, (235–257).

  123. S. Selvarangam, S. Rupadevi, E. Thandapani and Sandra Pinelas, Existence of Nonoscillatory Solutions to Third Order Neutral Type Difference Equations with Delay and Advanced Arguments, Mathematica Bohemica (in press)

  124. Sandra Pinelas, Choonkil Park, S. Baskaran and V. Govindan, Stability of a Octovigintic Functional Equation, Asian Europian Journal of Mathematics (in press)

  125. A. Antony Raj, Sandra Pinelas and P. Divyakumari, Quintic Functional Equation in F. Spaces: Direct Method, Tbilisi Mathematical Journal (in press)

  126. Temur Chilachava, Sandra Pinelas and George Pochkhua, Research of four-dimensional dynamic systems describing processes of three-level assimilation, ICDDEA 2019 (in press)

  127. Sandra Pinelas, V. Govindan, K. Tamilvanan and S.Baskaran, Intuitionistic Fuzzy Stability of an Finite Dimensional Cubic Functional Equation, ICDDEA 2019 (in press)

  128. Pierpaolo Natalini, Sandra Pinelas and Paolo E. Ricci, General sets of Bell-Sheffer and Log-Sheffer polynomials, ICDDEA 2019 (in press)

  129. R. Murali, Sandra Pinelas and V. Vithya, Stability Viginti Quinque Functional Equation in Different Spaces, Communications in Mathematics (in press)

  130. Sandra Pinelas, V. Govindan, Choonkil Park and C. Muthamilarasi, Solution and Hyers-Ulam Stability of an Octovigintic Functional equation in Various Normed Spaces Using Direct and Fixed Point Methods, Special issue on "Nonlinear Analysis in Engineering & Applied Sciences" of the journal "Mathematics in Engineering, Science and Aerospace" (in press)

  131. N. Prabaharan, C. Dharuman, E. Thandapani and S. Pinelas, New Oscillation Criteria for Second Order Quasilinear Neutral Delay Differential Equations, Differential Equations and Dynamical Systems (in press)

  132. Sandra Pinelas, T. G. Gerly and G. Britto Antony Xavier, Application of Generalized Fibonacci Sequence Generated from q-Difference Equation, Demonstratio Mathematica (in press)

  133. Sandra Pinelas, Nedjem Eddine Ramdani, Ali Fuat Yenicerioglu and Yubin Yan, Oscillatory and Stability of a Mixed Type Difference Equation with Variable Coefficients, International Journal of Dynamical Systems and Differential Equations, special issue “Differential, Difference, and Dynamic Equations" (in press)

  134. V. Govindan, S. Pinelas and N. Gunasekaran, Generalized U-H Stability of an Cubic Mappings, Annales of Communications in Mathematics (in press)

  135. V. Govindan, S. Pinelas and S. Dhivya, Cube Sum Labeling of Graphs, Annales of Communications in Mathematics (in press)