1. Alzahrani, E.A., H. Akca and X. Li, 2016. New synchronization schemes for delayed chaotic neural networks with impulses. Nat. Comput. Applic. 10.1007/s00521-016-2218-7.
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2. Akca, H., G.E. Chatzarakis and I.P. Stavroulakis, 2016. An oscillation criterion for delay differential equations with several non-monotone arguments. Applied Math. Lett., 59: 101-108.
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3. Li, X., J. Shen, H. Akca and R. Rakkiyappan, 2015. LMI-based stability for singularly perturbed nonlinear impulsive differential systems with delays of small parameter. Applied Math. Comput., 250: 798-804.
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4. Li, X., D. O'Regan and H. Akca, 2015. Global exponential stabilization of impulsive neural networks with unbounded continuously distributed delays. IMA J. Applied Math., 80: 85-99.
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5. Akca, H., V. Covachev and Z. Covacheva, 2015. Global asymptotic stability of cohen-grossberg neural networks of neutral type. J. Math. Sci., 205: 719-732.
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6. Akca, H., V. Covachev and Z. Covacheva, 2015. Existence of a mild solution to a second-orderimpulsive functional-differential equation with a nonlocal condition. Pliska Studia Math., 25: 101-110.
7. Stamova, I., H. Akca and G. Stamov, 2014. Uncertain dynamical systems 2014. Abstract Applied Anal., Vol. 2014. 10.1155/2014/746741.
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8. Liua, C., X. Lia and H. Akca, 2014. Globally exponential stability of impulsive switched systems with continuously distributed delays. Universal J. Math. Math. Sci., 5: 77-92.
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9. Akca, H., J. Benbourenane and V. Covachev, 2014. Global exponential stability of impulsive cohen-grossberg-type BAM neural networks with time-varying and distributed delays. Int. J. Applied Phys. Math., 4: 196-200.
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10. Stamov, G., H. Akca and I. Stamova, 2013. Uncertain dynamical systems: Analysis and applications. Abstract Applied Anal., Vol. 2013. 10.1155/2013/863060.
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11. Li, X., H. Akca and X. Fu, 2013. Uniform stability of impulsive infinite delay differential equations with applications to systems with integral impulsive conditions. Applied Math. Comput., 219: 7329-7337.
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12. Fu, X., X. Li and H. Akca, 2013. Exponential state estimation for impulsive neural networks with time delay in the leakage term. Arabian J. Math., 2: 33-49.
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13. Akca, H., V. Covachev and Z. Covacheva, 2013. Improved stability estimates for impulsive reaction-diffusion cohen-grossberg neural networks via hardy-poincare inequality. Tatra Mt. Math. Publ., 54: 1-18.
14. Akca, H., J. Benbourenane and V. Covachev, 2013. Impulsive delay reaction-diffusion cohen-grossberg neural networks with zero dirichlet boundary conditions. Middle-East J. Sci. Res., 13: 15-24.
15. Akca, H., J. Benbourenane and V. Covachev, 2013. Existence theorem for semilinear impulsive functional differential equations with nonlocal conditions. Int. J. Applied Phys. Math., 3: 182-187.
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16. Wang, X., X. Fu, H. Akca and X. Li, 2012. Uniform stability in terms of two measures for impulsive functional differential equations with infinite delays. Universal J. Math. Math. Sci., 1: 119-135.
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17. Akca, H. and V. Maksimov, 2012. On tracking of a solution of parabolic variational inequalities. TWMS J. Applied Eng. Math., 2: 185-194.
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18. Stamova, I.M., H. Akca and G.T. Stamov, 2011. Qualitative analysis of dynamic activity patterns in neural networks. J. Applied Math., Vol. 2011. 10.1155/2011/208517.
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19. Covachev, V., H. Akca and M. Sarr, 2011. Discrete-time counterparts of impulsive Cohen-Grossberg neural networks of neutral type. Neur. Parallel Sci. Comput., 19: 345-360.
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20. Akca, H., V. Covachev and Z. Covacheva, 2011. Impulsive Cohen-Grossberg neural networks with S-type distributed delays and reaction-diffusion terms. Int. J. Math. Comput., 10: 1-12.
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21. Akca, H., L. Berezansky and V. Maksimov, 2011. On tracking trajectory and control of a linear hereditary system. Funct. Differ. Equations, 18: 13-28.
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22. Akca, H. and V. Covachev, 2011. Impulsive cohen-grossberg neural networks with S-type distributed delays. Tatra Mountains Math. Public., 48: 1-13.
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23. Akca, H., V. Covachev and K.S. Altmayer, 2010. Numerical-analytical method for finding periodic solutions of the impulsive differential equations with spline functions. Int. J. Math. Comput., 7: 7-12.
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24. Mohamad, S., H. Akca and V. Covachev, 2009. Discrete-time cohen-grossberg neural networks with transmission delays and impulses. Tatra Mountains Math. Public., 43: 145-161.
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25. Akca, H. and V. Covachev, 2009. Spatial discretization of an impulsive Cohen-Grossberg neural network with time-varying and distributed delays and reaction-diffusion terms. Ann. Univ. Ovidius Constanta, 17: 15-26.
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26. Sannay, M., K. Gopalsamy and H. Akca, 2008. Exponential stability of artificial neural networks with distributed delays and large impulses. Nonlinear Anal. Real World Appl., 9: 872-888.
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27. Popa, M., H. Akca and V. Breaban, 2008. Wave forces related to waves conditions and structures characteristics. Ovidius Univ. Ann. Ser. Civil Eng., 1: 27-34.
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28. Mohamad, S., H. Akca and V. Covachev, 2008. Discrete-time analogues of impulsive Cohen-Grossberg neural networks with transmission delays. Int. J. Math. Comput., 1: 124-143.
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29. Cosmin, F., H. Akca and B. Virgil, 2008. Vulnerability and risk-Evaluation methods in civil engineering. Ovidius Univ. Ann. Ser. Civil Eng., 10: 69-76.
30. Hernandez M.E. and H. Akca, 2007. Global solutions for an abstract cauchy problem with nonlocal conditions. Int. J. Math. Manuscript, 1: 43-53.
31. Akca, H., Alassar R., V. Covachev and H.A. Yurtsever, 2007. Discrete-time impulsive Hopfield neural networks with finite distributed delays. Comp. Assisted Mech. Eng. Sci., 14: 145-158.
32. Akca, H., R. Alassar and V. Covachev, 2006. Stability of neural networks with time varying delays in the presence of impulses. Adv. Dyna. Syst. Appl., 1: 1-15.
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33. Akca, H., M. Al-Lail and V. Covachev, 2006. Survey on wavelet transform and application in ODE and wavelet networks. Adv. Dyna. Sys. Appl., 1: 129-162.
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34. Akca, H., V. Covachev, Z. Covacheva and S. Mohamad, 2004. Global exponential periodicity for the discrete analogue of an impulsive Hop: Field neural network with finite distributed delays. Functional Differential Equations, 16: 53-72.
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35. Akca, H., V. Covachev and E. Al-Zahrani, 2004. On Existence of Solutions of Semilinear Impulsive Functional Differential Equations with Nonlocal Conditions. In: Recent Advances in Operator Theory, Operator Algebras, and Their Applications, Gaspar, D., D. Timotin, L. Zsido, I. Gohberg and F.H. Vasilescu (Eds.). Birkhauser, Basel, ISBN: 978-3-7643-7127-2, pp: 1-11.
36. Akca, H., R. Alassar, V. Covachev, Z. Covacheva and E. Al-Zahrani, 2004. Continuous-time additive Hopfield-type neural networks with impulses. J. Math. Anal. Applic., 290: 436-451.
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37. Akca, H., R. Alassar, V. Covachev and Z. Covacheva, 2004. Discrete counterparts of continuous-time additive Hopfield-type neural networks with impulses. Dyn. Syst. Appl., 13: 77-92.
38. Covachev, V., Z. Covacheva, H. Akca and E.A. Al-Zahrani, 2003. Almost periodic solutions of neutral impulsive systems with periodic time-dependent perturbed delays. Central Eur. J. Math., 1: 292-314.
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39. Covachev, V., H. Akca and E.A. Al-Zahrani, 2003. Periodic solutions of neutral impulsive systems with periodic time-dependent perturbed delays. Funct. Differ. Equat., 10: 441-462.
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40. Ashyralyev, A., H. Akca and F. Yenicerioglu, 2003. Stability Properties of Difference Schemes for Neutral Differential Equations. In: Differential Equations and Applications, Cho, Y.J., J.K. Kim and K.S. Ha (Eds.). Nova Science Publishers, New York, pp: 57-66.
41. Boucherif, A. and H. Akca, 2002. Nonlocal cauchy problems for semilinear evolution equations. Dynamic Syst. Applic., 11: 415-420.
42. Akca, H., A. Boucherif and V. Covachev, 2002. functional-differential equations with nonlocal conditions. Int. J. Math. Math. Sci., 29: 251-256.
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43. Covachev, V., H. Akca and F. Yenicerioglu, 2001. Difference approximations for impulsive differential equations. Applied Math. Comput., 121: 383-390.
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44. Ashyralyev, A. and H. Akca, 2001. Stability estimates of difference schemes for neutral delay differential equations. Nonlinear Anal.: Theory Methods Applic., 44: 443-452.
45. Ashyralyev, A., H. Akca and L. Byszewski, 2000. On a Semi Linear Evolution Nonlocal Cauchy Problem. In: Some Problems of Applied Mathematics, Ashyralyev, A. and H.A. Yutrseven (Eds.). Fatih University Publications, Istanbul, ISBN: 975-303-003-7, pp: 29-44.
46. Berezansky, L., E. Braverman and H. Akca, 1999. On oscillation of a linear delay integro-differential equation. Dynamic Syst. Applic., 8: 219-235.
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47. Ashyralyev, A., H. Akca and U. Guray, 1999. Second order accuracy difference scheme for approximate solutions of delay differential equations. Funct. Differ. Equat., 6: 223-231.
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48. Akca, H. and G. Micula, 1999. Approximate solutions of the differential equations with delay, nonpolynomial spline functions. Bull. Math. Soc. Sci. Math., 42: 293-300.
49. Byszewski, L. and H. Akca, 1998. Existence of solutions of a semilinear functional-differential evolution nonlocal problem. Nonlinear Anal.: Theory Methods Applic., 34: 65-72.
50. Akca, H., L. Berezansky and V.I. Maksimov, 1998. Dynamical reconstruction of a pair control-trajectory in a system unresolved with respect to derivative. Funct. Differ. Equat., 5: 3-19.
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51. Akca, H. and V. Covachev, 1998. Periodic solutions of impulsive systems with delay, differential equations. Funct. Differ. Equat., 5: 275-286.
52. Byszewski, L. and H. Akca, 1997. On a mild solution of a semilinear functional-differential evolution nonlocal problem. Int. J. Stochastic Anal., 10: 265-271.
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53. Micula, G., P. Blaga and H. Akca, 1996. The numerical treatment of delay differential equations with constant dealy by natural spline functions of even degree. Libertas Mathematica, 56: 123-132.
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54. Akca, H., L. Berezansky and E. Braverman, 1996. On linear integro-differential equations with integral impulsive conditions. Zeitschrift fur Analysis und ihre Anwendungen, 15: 709-727.
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55. Blaga, P., G. Micula and H. Akca, 1995. On the use of spline functions of even degree for the numerical solution of the delay differential equations. Calcolo, 32: 83-101.
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56. Akca, H., V.B. Shakhmurov and G. Arisan, 1995. Differential-operator equations with bounded delay. Nonlinear Times Digest, 2: 179-190.
57. Akca, H., G. Micula and G. Arslan, 1995. Deficient spline approximations for second order neutral delay differential equations. Studia Mathematica, 40: 85-97.
58. Akca, H., G. Micula and U. Guary, 1994. Continuous approximate solution to the neutral delay differential equations by a simplified Picard's method. Studia Mathematica, 4: 69-78.
59. Akca, H., D. Bainov and M.B. Dimitrova, 1994. Asymptotic properties of the solutions of a class of operator-differential equations. Yokohama Math. J., 42: 133-149.
60. Akca, H., G. Micula and I. Dag, 1992. Approximate solutions of the second order differential equations with deviating argument by deficient Spline functions. Automat. Comput. Applied Math., 2: 87-93.
61. Akca, H. and G. Micula, 1992. Numerical solutions of system of differential equations with deviating argument by Spline functions. ACTA Tech. Napocensis, 35: 107-116.
62. Akca, H. and G. Micula, 1991. Numerical solutions of differential equation of the order with deviating argument by Spline functions. Bull. Univ. Baia Mare Ser. B, 7: 47-54.
63. Akca, H., 1990. Mathematical model: Preserving environment. J. Eng. Sci., 25: 35-41.
64. Akca, H., 1988. On the oscillatory type solutions of y""= f( x, y, y', y") and linear multi-step method for the numerical solutions. Pure Applied Math. Sci., 2: 1-8.
65. Akca, H., 1988. Mathematical modelling: The relation among success, work and adaptability of a student. Applied Math. Notes Can. Math. Soc., 13: 46-50.
66. Akca, H. and G. Micula, 1988. Numerical solutions of differential equation with deviating argument using Spline functions. Studia Mathematica, 2: 45-57.
67. Akca, H. and G. Micula, 1988. Approximate solutions of the second order differential equations with deviating argument by Spline functions. Math. Revue d'Analyse Numerique, 30: 37-46.
68. Akca, H., 1986. The friendship of Sturm and Liouville. Bull. Erciyes Univ. Faculty Sci., 2: 143-154.
69. Akca, H., 1986. Application of discretization methods in oscillation and comparison theorems. Bull. Erciyes Univ. Faculty Sci., 2: 371-377.