Agacik Zafer

0000-0001-8446-1223

Websites:
www.metu.edu.tr/~zafer

Other IDs:
ResearcherID: A-1011-2009
Scopus Author ID: 6701684158

Personal Information

Biography

Publications

  • Public

    The stability of linear periodic Hamiltonian systems on time scales: Applied Mathematics Letters 2013

    DOI: 10.1016/j.aml.2012.09.014
    Zafer, A., (2013). "The stability of linear periodic Hamiltonian systems on time scales", Applied Mathematics Letters, vol. 26, no. 3, pp. 330-336
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    Existence of solutions for a class of nonlinear boundary value problems on half-line 2012

    DOI: 10.1186/1687-2770-2012-43
    Ertem, T & Zafer, A, 2012, 'Existence of solutions for a class of nonlinear boundary value problems on half-line', Boundary Value Problems, vol. 2012, no. 1, p. 43.
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    Nonoscillation and oscillation of second-order impulsive differential equations with periodic coefficients: Applied Mathematics Letters 2012

    DOI: 10.1016/j.aml.2011.09.001
    Özbekler, A. and Zafer, A., (2012). "Nonoscillation and oscillation of second-order impulsive differential equations with periodic coefficients", Applied Mathematics Letters, vol. 25, no. 3, pp. 294-300
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    Oscillation of integro-dynamic equations on time scales: Applied Mathematics Letters 2012

    DOI: 10.1016/j.aml.2012.10.001
    Grace, S.R. and Graef, J.R. and Zafer, A., (2012). "Oscillation of integro-dynamic equations on time scales", Applied Mathematics Letters
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    Oscillation of nonlinear impulsive partial difference equations with continuous variables: Journal of Difference Equations and Applications 2012

    DOI: 10.1080/10236198.2010.548809
    Agarwal, R.P. and Karakoç, F. and Zafer, A., (2012). "Oscillation of nonlinear impulsive partial difference equations with continuous variables", Journal of Difference Equations and Applications, vol. 18, no. 6, pp. 1101-1114
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    Oscillation of third-order nonlinear delay difference equations: Turkish Journal of Mathematics 2012

    DOI: 10.3906/mat-1010-67
    Aktaş, M.F. and Tiryaki, A. and Zafer, A., (2012). "Oscillation of third-order nonlinear delay difference equations", Turkish Journal of Mathematics, vol. 36, no. 3, pp. 422-436
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    The stability of linear periodic Hamiltonian systems on time scales: Applied Mathematics Letters 2012

    DOI: 10.1016/j.aml.2012.09.014
    Zafer, A., (2012). "The stability of linear periodic Hamiltonian systems on time scales", Applied Mathematics Letters
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    Annulus criteria for mixed nonlinear elliptic differential equations: Mathematical and Computer Modelling 2011

    DOI: 10.1016/j.mcm.2011.01.007
    Sahiner, Y. and Zafer, A., (2011). "Annulus criteria for mixed nonlinear elliptic differential equations", Mathematical and Computer Modelling, vol. 53, no. 9-10, pp. 1856-1864
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    Forced oscillation of second-order nonlinear differential equations with positive and negative coefficients: Applied Mathematics Letters 2011

    DOI: 10.1016/j.aml.2011.02.013
    Ozbekler, A. and Wong, J. S. W. and Zafer, A., (2011). "Forced oscillation of second-order nonlinear differential equations with positive and negative coefficients", Applied Mathematics Letters, vol. 24, no. 7, pp. 1225-1230
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    On Stability of Linear Delay Differential Equations under Perron's Condition: Abstract and Applied Analysis 2011

    DOI: 10.1155/2011/754701
    Diblik, J. and Zafer, A., (2011). "On Stability of Linear Delay Differential Equations under Perron's Condition", Abstract and Applied Analysis
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    On disconjugacy and stability criteria for discrete Hamiltonian systems: Computers and Mathematics with Applications 2011

    DOI: 10.1016/j.camwa.2011.08.013
    Mert, R. and Zafer, A., (2011). "On disconjugacy and stability criteria for discrete Hamiltonian systems", Computers and Mathematics with Applications, vol. 62, no. 8, pp. 3015-3026
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    On stability of linear delay differential equations under Perron's condition: Abstract and Applied Analysis 2011

    DOI: 10.1155/2011/134072
    Diblík, J. and Zafer, A., (2011). "On stability of linear delay differential equations under Perron's condition", Abstract and Applied Analysis, vol. 2011
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    Oscillation of Second-Order Sublinear Impulsive Differential Equations: Abstract and Applied Analysis 2011

    DOI: 10.1155/2011/458275
    Zafer, A., (2011). "Oscillation of Second-Order Sublinear Impulsive Differential Equations", Abstract and Applied Analysis
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    Oscillation of second-order sublinear impulsive differential equations: Abstract and Applied Analysis 2011

    DOI: 10.1155/2011/458275
    Zafer, A., (2011). "Oscillation of second-order sublinear impulsive differential equations", Abstract and Applied Analysis, vol. 2011
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    Oscillation of solutions of second order mixed nonlinear differential equations under impulsive perturbations: Computers and Mathematics with Applications 2011

    DOI: 10.1016/j.camwa.2010.12.041
    Özbekler, A. and Zafer, A., (2011). "Oscillation of solutions of second order mixed nonlinear differential equations under impulsive perturbations", Computers and Mathematics with Applications, vol. 61, no. 4, pp. 933-940
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    Time scale extensions of a theorem of Wintner on systems with asymptotic equilibrium: Journal of Difference Equations and Applications 2011

    DOI: 10.1080/10236191003639459
    Mert, R. and Zafer, A., (2011). "Time scale extensions of a theorem of Wintner on systems with asymptotic equilibrium", Journal of Difference Equations and Applications, vol. 17, no. 5, pp. 841-857
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    Interval criteria for second-order super-half-linear functional dynamic equations with delay and advance arguments: Journal of Difference Equations and Applications 2010

    DOI: 10.1080/10236190802582134
    Anderson, Douglas R. and Zafer, A., (2010). "Interval criteria for second-order super-half-linear functional dynamic equations with delay and advance arguments", Journal of Difference Equations and Applications, vol. 16, no. 8, pp. 917-930
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    Interval oscillation criteria for second-order forced delay dynamic equations with mixed nonlinearities: Computers and Mathematics with Applications 2010

    DOI: 10.1016/j.camwa.2009.09.010
    Agarwal, R.P. and Anderson, D.R. and Zafer, A., (2010). "Interval oscillation criteria for second-order forced delay dynamic equations with mixed nonlinearities", Computers and Mathematics with Applications, vol. 59, no. 2, pp. 977-993
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    Mixed nonlinear oscillation of second order forced dynamic equations: Dynamic Systems and Applications 2010

    Güvenilir, A.F. and Şahiner, Y. and Zafer, A., (2010). "Mixed nonlinear oscillation of second order forced dynamic equations", Dynamic Systems and Applications, vol. 19, no. 3-4, pp. 635-650
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    Oscillation criteria for third-order nonlinear functional differential equations: Applied Mathematics Letters 2010

    DOI: 10.1016/j.aml.2010.03.003
    Aktas, M. F. and Tiryaki, A. and Zafer, A., (2010). "Oscillation criteria for third-order nonlinear functional differential equations", Applied Mathematics Letters, vol. 23, no. 7, pp. 756-762
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    Oscillation of Second-Order Mixed-Nonlinear Delay Dynamic Equations: Advances in Difference Equations 2010

    DOI: 10.1155/2010/389109
    Unal, M. and Zafer, A., (2010). "Oscillation of Second-Order Mixed-Nonlinear Delay Dynamic Equations", Advances in Difference Equations
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    Oscillation of second-order mixed-nonlinear delay dynamic equations: Advances in Difference Equations 2010

    DOI: 10.1155/2010/389109
    Ünal, M. and Zafer, A., (2010). "Oscillation of second-order mixed-nonlinear delay dynamic equations", Advances in Difference Equations, vol. 2010
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    PICONE TYPE FORMULA FOR NON-SELFADJOINT IMPULSIVE DIFFERENTIAL EQUATIONS WITH DISCONTINUOUS SOLUTIONS: Electronic Journal of Qualitative Theory of Differential Equations 2010

    Ozbekler, A. and Zafer, A., (2010). "PICONE TYPE FORMULA FOR NON-SELFADJOINT IMPULSIVE DIFFERENTIAL EQUATIONS WITH DISCONTINUOUS SOLUTIONS", Electronic Journal of Qualitative Theory of Differential Equations, no. 35, pp. 1-12
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    Picone type formula for non-selfadjoint impulsive differential equations with discontinuous solutions: Electronic Journal of Qualitative Theory of Differential Equations 2010

    Özbekler, A. and Zafer, A., (2010). "Picone type formula for non-selfadjoint impulsive differential equations with discontinuous solutions", Electronic Journal of Qualitative Theory of Differential Equations, pp. 1-12
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    Principal and nonprincipal solutions of impulsive differential equations with applications: Applied Mathematics and Computation 2010

    DOI: 10.1016/j.amc.2010.02.008
    Ozbekler, A. and Zafer, A., (2010). "Principal and nonprincipal solutions of impulsive differential equations with applications", Applied Mathematics and Computation, vol. 216, no. 4, pp. 1158-1168
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    Recent Trends in Differential and Difference Equations: Advances in Difference Equations 2010

    DOI: 10.1155/2010/891697
    Zafer, A. and Berezansky, L. and Diblik, J., (2010). "Recent Trends in Differential and Difference Equations", Advances in Difference Equations
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    Integral criteria for oscillation of third order nonlinear differential equations: Nonlinear Analysis-Theory Methods & Applications 2009

    DOI: 10.1016/j.na.2009.01.194
    Aktas, M. F. and Tiryaki, A. and Zafer, A., (2009). "Integral criteria for oscillation of third order nonlinear differential equations", Nonlinear Analysis-Theory Methods & Applications, vol. 71, no. 12, pp. E1496-E1502
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    Interval criteria for the forced oscillation of super-half-linear differential equations under impulse effects: Mathematical and Computer Modelling 2009

    DOI: 10.1016/j.mcm.2008.10.020
    Ozbekler, A. and Zafer, A., (2009). "Interval criteria for the forced oscillation of super-half-linear differential equations under impulse effects", Mathematical and Computer Modelling, vol. 50, no. 1-2, pp. 59-65
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    Interval oscillation criteria for second order super-half linear functional differential equations with delay and advanced arguments: Mathematische Nachrichten 2009

    DOI: 10.1002/mana.200610801
    Zafer, A., (2009). "Interval oscillation criteria for second order super-half linear functional differential equations with delay and advanced arguments", Mathematische Nachrichten, vol. 282, no. 9, pp. 1334-1341
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    Interval oscillation criteria for second order super-half linear functional differential equations with delay and advanced arguments: Mathematische Nachrichten 2009

    DOI: 10.1002/mana.200610801
    Zafer, A., (2009). "Interval oscillation criteria for second order super-half linear functional differential equations with delay and advanced arguments", Mathematische Nachrichten, vol. 282, no. 9, pp. 1334-1341
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    Nonlinear oscillation of second-order dynamic equations on time scales: Applied Mathematics Letters 2009

    DOI: 10.1016/j.aml.2009.05.004
    Anderson, Douglas R. and Zafer, A., (2009). "Nonlinear oscillation of second-order dynamic equations on time scales", Applied Mathematics Letters, vol. 22, no. 10, pp. 1591-1597
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    On oscillation and nonoscillation of second-order dynamic equations: Applied Mathematics Letters 2009

    DOI: 10.1016/j.aml.2008.03.003
    Zafer, A., (2009). "On oscillation and nonoscillation of second-order dynamic equations", Applied Mathematics Letters, vol. 22, no. 1, pp. 136-141
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    Oscillation Criteria for Second-Order Forced Dynamic Equations with Mixed Nonlinearities: Advances in Difference Equations 2009

    DOI: 10.1155/2009/938706
    Agarwal, Ravi P. and Zafer, A., (2009). "Oscillation Criteria for Second-Order Forced Dynamic Equations with Mixed Nonlinearities", Advances in Difference Equations
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    Oscillation criteria for second-order forced dynamic equations with mixed nonlinearities: Advances in Difference Equations 2009

    DOI: 10.1155/2009/938706
    Agarwal, R.P. and Zafer, A., (2009). "Oscillation criteria for second-order forced dynamic equations with mixed nonlinearities", Advances in Difference Equations, vol. 2009
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    Oscillation of second order nonlinear impulsive delay differential equations: Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis 2009

    Saryal, F.S. and Zafer, A., (2009). "Oscillation of second order nonlinear impulsive delay differential equations", Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis, vol. 16, no. 2, pp. 221-231
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    Calculating the matrix exponential of a constant matrix on time scales: Applied Mathematics Letters 2008

    DOI: 10.1016/j.aml.2007.06.006
    Zafer, A., (2008). "Calculating the matrix exponential of a constant matrix on time scales", Applied Mathematics Letters, vol. 21, no. 6, pp. 612-616
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    On periodic solutions of linear impulsive delay differential systems: Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis 2008

    Akhmet, M.U. and Alzabut, J.O. and Zafer, A., (2008). "On periodic solutions of linear impulsive delay differential systems", Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis, vol. 15, no. 5, pp. 621-631
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    Stability criterion for second order linear impulsive differential equations with periodic coefficients: MATHEMATISCHE NACHRICHTEN 2008

    DOI: 10.1002/mana.200510677
    GUSEINOV, GS and ZAFER, A, (2008). "Stability criterion for second order linear impulsive differential equations with periodic coefficients", MATHEMATISCHE NACHRICHTEN, vol. 281, no. 9, pp. 1273-1282
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    Asymptotic equivalence of differential equations and asymptotically almost periodic solutions: Nonlinear Analysis, Theory, Methods and Applications 2007

    DOI: 10.1016/j.na.2006.07.045
    Akhmet, M.U. and Tleubergenova, M.A. and Zafer, A., (2007). "Asymptotic equivalence of differential equations and asymptotically almost periodic solutions", Nonlinear Analysis, Theory, Methods and Applications, vol. 67, no. 6, pp. 1870-1877
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    Forced oscillation of super-half-linear impulsive differential equations: COMPUTERS & MATHEMATICS WITH APPLICATIONS 2007

    DOI: 10.1016/j.camwa.2007.03.003
    OEZBEKLER, A and ZAFER, A, (2007). "Forced oscillation of super-half-linear impulsive differential equations", COMPUTERS & MATHEMATICS WITH APPLICATIONS, vol. 54, no. 6, pp. 785-792
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    Oscillation of higher-order neutral-type periodic differential equations with distributed arguments: JOURNAL OF INEQUALITIES AND APPLICATIONS 2007

    DOI: 10.1155/2007/98423
    DAHIYA, RS and ZAFER, A, (2007). "Oscillation of higher-order neutral-type periodic differential equations with distributed arguments", JOURNAL OF INEQUALITIES AND APPLICATIONS
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    Stability criteria for linear periodic impulsive Hamiltonian systems: Journal of Mathematical Analysis and Applications 2007

    DOI: 10.1016/j.jmaa.2007.01.095
    Guseinov, G.Sh. and Zafer, A., (2007). "Stability criteria for linear periodic impulsive Hamiltonian systems", Journal of Mathematical Analysis and Applications, vol. 335, no. 2, pp. 1195-1206
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    Perron's theorem for linear impulsive differential equations with distributed delay: Journal of Computational and Applied Mathematics 2006

    DOI: 10.1016/j.cam.2005.06.004
    Akhmet, M.U. and Alzabut, J. and Zafer, A., (2006). "Perron's theorem for linear impulsive differential equations with distributed delay", Journal of Computational and Applied Mathematics, vol. 193, no. 1, pp. 204-218
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    Picone's formula for linear non-selfadjoint impulsive differential equations: Journal of Mathematical Analysis and Applications 2006

    DOI: 10.1016/j.jmaa.2005.06.019
    Özbekler, A. and Zafer, A., (2006). "Picone's formula for linear non-selfadjoint impulsive differential equations", Journal of Mathematical Analysis and Applications, vol. 319, no. 2, pp. 410-423
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    Second-order oscillation of forced functional differential equations with oscillatory potentials: Computers and Mathematics with Applications 2006

    DOI: 10.1016/j.camwa.2006.02.002
    Güvenilir, A.F. and Zafer, A., (2006). "Second-order oscillation of forced functional differential equations with oscillatory potentials", Computers and Mathematics with Applications, vol. 51, no. 9-10, pp. 1395-1404
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    The exponential of a constant matrix on time scales: ANZIAM JOURNAL 2006

    ZAFER, A, (2006). "The exponential of a constant matrix on time scales", ANZIAM JOURNAL, vol. 48, pp. 99-106
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    Interval oscillation of a general class of second-order nonlinear differential equations with nonlinear damping: Nonlinear Analysis, Theory, Methods and Applications 2005

    DOI: 10.1016/j.na.2004.08.020
    Tiryaki, A. and Zafer, A., (2005). "Interval oscillation of a general class of second-order nonlinear differential equations with nonlinear damping", Nonlinear Analysis, Theory, Methods and Applications, vol. 60, no. 1, pp. 49-63
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    Sturmian comparison theory for linear and half-linear impulsive differential equations: Nonlinear Analysis, Theory, Methods and Applications 2005

    DOI: 10.1016/j.na.2005.01.087
    Özbekler, A. and Zafer, A., (2005). "Sturmian comparison theory for linear and half-linear impulsive differential equations", Nonlinear Analysis, Theory, Methods and Applications, vol. 63, no. 5-7
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    Controllability of two-point nonlinear boundary-value problems by the numerical-analytic method: APPLIED MATHEMATICS AND COMPUTATION 2004

    AKHMET, M and ZAFER, A, (2004). "Controllability of two-point nonlinear boundary-value problems by the numerical-analytic method", APPLIED MATHEMATICS AND COMPUTATION, vol. 151, no. 3, pp. 729-744
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    Oscillation of Second-Order Nonlinear Differential Equations with Nonlinear Damping: Mathematical and Computer Modelling 2004

    Tiryaki, A. and Zafer, A., (2004). "Oscillation of Second-Order Nonlinear Differential Equations with Nonlinear Damping", Mathematical and Computer Modelling, vol. 39, no. 2-3, pp. 197-208
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    Oscillation of second-order nonlinear differential equations with nonlinear damping: MATHEMATICAL AND COMPUTER MODELLING 2004

    TIRYAKI, A and ZAFER, A, (2004). "Oscillation of second-order nonlinear differential equations with nonlinear damping", MATHEMATICAL AND COMPUTER MODELLING, vol. 39, no. 2-3, pp. 197-208
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    Applications of Langenhop inequality to difference equations: Lower bounds and oscillation: Applied Mathematics E - Notes 2003

    Zafer, A., (2003). "Applications of Langenhop inequality to difference equations: Lower bounds and oscillation", Applied Mathematics E - Notes, vol. 3, pp. 80-87
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    Bounded oscillation of nonlinear neutral differential equations of arbitrary order: CZECHOSLOVAK MATHEMATICAL JOURNAL 2001

    YILMAZ, YS and ZAFER, A, (2001). "Bounded oscillation of nonlinear neutral differential equations of arbitrary order", CZECHOSLOVAK MATHEMATICAL JOURNAL, vol. 51, no. 1, pp. 185-195
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    Oscillation criteria for second order nonlinear differential equations with damping: Turkish Journal of Mathematics 2000

    Tiryaki, A. and Zafer, A., (2000). "Oscillation criteria for second order nonlinear differential equations with damping", Turkish Journal of Mathematics, vol. 24, no. 2, pp. 185-196
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    Stability of the zero solution of impulsive differential equations by the Lyapunov second method: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 2000

    AKHMETOV, MU and ZAFER, A, (2000). "Stability of the zero solution of impulsive differential equations by the Lyapunov second method", JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol. 248, no. 1, pp. 69-82
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    Successive approximation method for quasilinear impulsive differential equations with control: APPLIED MATHEMATICS LETTERS 2000

    AKHMETOV, MU and ZAFER, A, (2000). "Successive approximation method for quasilinear impulsive differential equations with control", APPLIED MATHEMATICS LETTERS, vol. 13, no. 5, pp. 99-105
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    Controllability of the Vallee-Poussin problem for impulsive differential systems: JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 1999

    AKHMETOV, MU and ZAFER, A, (1999). "Controllability of the Vallee-Poussin problem for impulsive differential systems", JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, vol. 102, no. 2, pp. 263-276
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    Asymptotic behavior of higher-order nonlinear equations on time scales: Computers and Mathematics with Applications 1998

    Zafer, A. and Kaymakçalan, B. and Özgün, S.A., (1998). "Asymptotic behavior of higher-order nonlinear equations on time scales", Computers and Mathematics with Applications, vol. 36, no. 10-12, pp. 299-306
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    Necessary and sufficient condition for oscillation of higher order nonlinear delay difference equations: COMPUTERS & MATHEMATICS WITH APPLICATIONS 1998

    ZAFER, A, (1998). "Necessary and sufficient condition for oscillation of higher order nonlinear delay difference equations", COMPUTERS & MATHEMATICS WITH APPLICATIONS, vol. 35, no. 10, pp. 125-130
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    Oscillation criteria for even order neutral differential equations: APPLIED MATHEMATICS LETTERS 1998

    ZAFER, A, (1998). "Oscillation criteria for even order neutral differential equations", APPLIED MATHEMATICS LETTERS, vol. 11, no. 3, pp. 21-25
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    Oscillation criteria for even order neutral differential equations: Applied Mathematics Letters 1998

    Zafer, A., (1998). "Oscillation criteria for even order neutral differential equations", Applied Mathematics Letters, vol. 11, no. 3, pp. 21-25
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    Oscillation of even order nonlinear neutral differential equations with damping: MATHEMATICAL INEQUALITIES & APPLICATIONS 1998

    YILMAZ, YS and ZAFER, A, (1998). "Oscillation of even order nonlinear neutral differential equations with damping", MATHEMATICAL INEQUALITIES & APPLICATIONS, vol. 1, no. 3, pp. 445-451
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    Oscillation of even order nonlinear neutral differential equations with damping: Mathematical Inequalities and Applications 1998

    Şahiner Yilmaz, Y. and Zafer, A., (1998). "Oscillation of even order nonlinear neutral differential equations with damping", Mathematical Inequalities and Applications, vol. 1, no. 3, pp. 445-451
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    The controllability of boundary-value problems for quasilinear impulsive systems: Nonlinear Analysis, Theory, Methods and Applications 1998

    Akhmetov, M.U. and Zafer, A., (1998). "The controllability of boundary-value problems for quasilinear impulsive systems", Nonlinear Analysis, Theory, Methods and Applications, vol. 34, no. 7, pp. 1055-1065
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    The existence of positive solutions and oscillation of solutions of higher-order difference equations with forcing terms: COMPUTERS & MATHEMATICS WITH APPLICATIONS 1998

    ZAFER, A, (1998). "The existence of positive solutions and oscillation of solutions of higher-order difference equations with forcing terms", COMPUTERS & MATHEMATICS WITH APPLICATIONS, vol. 36, no. 10-12, pp. 27-35
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    Two-sided eigenvalue bounds for the spherically symmetric states of the Schrodinger equation: JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 1998

    ZAFER, A and TASELI, H, (1998). "Two-sided eigenvalue bounds for the spherically symmetric states of the Schrodinger equation", JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, vol. 95, no. 1-2, pp. 83-100
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    A Fourier-Bessel expansion for solving radial Schrödinger equation in two dimensions: International Journal of Quantum Chemistry 1997

    Taşeli, H. and Zafer, A., (1997). "A Fourier-Bessel expansion for solving radial Schrödinger equation in two dimensions", International Journal of Quantum Chemistry, vol. 61, no. 5, pp. 759-768
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    Asymptotic behavior and oscillation in higher order nonlinear differential equations with retarded arguments: Acta Mathematica Hungarica 1997

    Dahiya, R.S. and Zafer, A., (1997). "Asymptotic behavior and oscillation in higher order nonlinear differential equations with retarded arguments", Acta Mathematica Hungarica, vol. 76, no. 3, pp. 257-266
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    Bessel basis with applications: N-dimensional isotropic polynomial oscillators: INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 1997

    TASELI, H and ZAFER, A, (1997). "Bessel basis with applications: N-dimensional isotropic polynomial oscillators", INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY, vol. 63, no. 5, pp. 935-947
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    OSCILLATORY AND ASYMPTOTIC-BEHAVIOR OF HIGHER-ORDER DIFFERENCE-EQUATIONS: MATHEMATICAL AND COMPUTER MODELLING 1995

    ZAFER, A, (1995). "OSCILLATORY AND ASYMPTOTIC-BEHAVIOR OF HIGHER-ORDER DIFFERENCE-EQUATIONS", MATHEMATICAL AND COMPUTER MODELLING, vol. 21, no. 4, pp. 43-50
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    Oscillatory and asymptotic behavior of higher order difference equations: Mathematical and Computer Modelling 1995

    Zafer, A., (1995). "Oscillatory and asymptotic behavior of higher order difference equations", Mathematical and Computer Modelling, vol. 21, no. 4, pp. 43-50
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    OSCILLATION OF A NEUTRAL DIFFERENCE EQUATION: APPLIED MATHEMATICS LETTERS 1993

    ZAFER, A and DAHIYA, RS, (1993). "OSCILLATION OF A NEUTRAL DIFFERENCE EQUATION", APPLIED MATHEMATICS LETTERS, vol. 6, no. 2, pp. 71-74
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    OSCILLATION OF BOUNDED SOLUTIONS OF NEUTRAL DIFFERENTIAL-EQUATIONS: APPLIED MATHEMATICS LETTERS 1993

    ZAFER, A and DAHIYA, RS, (1993). "OSCILLATION OF BOUNDED SOLUTIONS OF NEUTRAL DIFFERENTIAL-EQUATIONS", APPLIED MATHEMATICS LETTERS, vol. 6, no. 2, pp. 43-46
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    Oscillation of a neutral difference equation: Applied Mathematics Letters 1993

    Zafer, A. and Dahiya, R.S., (1993). "Oscillation of a neutral difference equation", Applied Mathematics Letters, vol. 6, no. 2, pp. 71-74
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    Oscillation of bounded solutions of neutral differential equations: Applied Mathematics Letters 1993

    Zafer, A. and Dahiya, R.S., (1993). "Oscillation of bounded solutions of neutral differential equations", Applied Mathematics Letters, vol. 6, no. 2, pp. 43-46
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    A Survey on Oscillation of Impulsive Ordinary Differential Equations

    DOI: 10.1155/2010/354841
    Ravi P. Agarwal, Fatma Karakoç, Ağacık Zafer, 2010, 'A Survey on Oscillation of Impulsive Ordinary Differential Equations', Advances in Difference Equations, vol. 2010, no. 3, pp. 1-53
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    Discrete linear Hamiltonian systems: Lyapunov type inequalities, stability and disconjugacy criteria

    DOI: 10.1016/j.jmaa.2012.07.009
    Ağacık Zafer, 2012, 'Discrete linear Hamiltonian systems: Lyapunov type inequalities, stability and disconjugacy criteria', Journal of Mathematical Analysis and Applications, vol. 396, no. 2
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    Functional Differential and Difference Equations with Applications

    DOI: 10.1155/2012/986585
    Josef Diblík, Elena Braverman, István Györi, Yuriy Rogovchenko, Miroslava Růžičková, Ağacık Zafer, 2012, 'Functional Differential and Difference Equations with Applications', Abstract and Applied Analysis, vol. 2012
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    Interval oscillation criteria for second-order forced delay dynamic equations with mixed nonlinearities

    DOI: 10.1016/j.camwa.2009.09.010
    Ravi P. Agarwal, Douglas R. Anderson, Ağacık Zafer, 2010, 'Interval oscillation criteria for second-order forced delay dynamic equations with mixed nonlinearities', Computers & Mathematics with Applications, vol. 59, no. 2
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    Langenhop's inequality and applications for dynamic equations: ELECTRONIC TRANSACTIONS ON NUMERICAL ANALYSIS

    KAYMAKCALAN, B and ZAFER, A, "Langenhop's inequality and applications for dynamic equations", ELECTRONIC TRANSACTIONS ON NUMERICAL ANALYSIS
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    Lyapunov-type inequalities for planar linear dynamic Hamiltonian systems

    DOI: 10.2298/aadm130211004b
    Bohner Martin, Zafer Ağacik, 2013, 'Lyapunov-type inequalities for planar linear dynamic Hamiltonian systems', Applicable Analysis and Discrete Mathematics, no. 00
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    On the oscillation of fractional differential equations

    DOI: 10.2478/s13540-012-0016-1
    Said R. Grace, Ravi P. Agarwal, Patricia J.Y. Wong, Ağacık Zafer, 2012, 'On the oscillation of fractional differential equations', Fractional Calculus and Applied Analysis, vol. 15, no. 2
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    Oscillation of higher order nonlinear dynamic equations on time scales

    DOI: 10.1186/1687-1847-2012-67
    Said R Grace, Ravi P Agarwal, Ağacık Zafer, 2012, 'Oscillation of higher order nonlinear dynamic equations on time scales', Advances in Difference Equations, vol. 2012, no. 1
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    The stability of linear periodic Hamiltonian systems on time scales

    DOI: 10.1016/j.aml.2012.09.014
    Ağacık Zafer, 2013, 'The stability of linear periodic Hamiltonian systems on time scales', Applied Mathematics Letters, vol. 26, no. 3

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