Gazi Üniversitesi Fen Edebiyat Fakültesi
Matematik Bölümü
Uygulamalı Matematik
Öğretim Üyesi

Tel:(0312) 212 60 30 / 2827
E-mail :tiryaki@gazi.edu.tr

a) SCI

1) “Periodic solutions in ordinary differential equations using dissipativity conditions”, J.Math.Anal.Appl. 173(1993), 308-317.

2) (Ş. Yaman ile) “Asynptotic behavıour of a class of nonlinear functional differential equatıon of third order” Appl. Math. Lett. 14 (2001), 327-332.

3) (B. Ayanlar ile) “Oscillation  theorems for nonlinear second order  differential equations” Comput. Math. Appl. 44(3-4)(2002), 529-538

4) (D. Çakmak ile) "Oscillation criteria for nth order forced functional differential equations", J.Math.Anal.Appl. 278 (2003), 562-576.

5) (D. Çakmak ve B. Ayanlar ile) "On the oscillation of certain second order nonlinear differential equations", J.Math.Anal.Appl. 281(2003), 565-574.

6) (B. Ayanlar ile) "Oscillation theorems for certain nonlinear differential equations of second order" Comput. Math. Appl. 47(2004), 149-159.

7) (D. Çakmak ile) "Oscillation criteria for certain forced second order nonlinear differential equations", Appl. Math. Lett. 17 (2004), 275-279.

8) (D. Çakmak ile) "Integral averages and oscillation criteria of second order nonlinear differential equations", Comput. Math. Appl. 47 (2004), 1495-1506

9) (A. Zafer ile) "Interval oscillation of a general class of second-order nonlinear differential equations with nonlinear damping" Nonlinear Anal. 60 (2005), 49--63.

10) (D. Çakmak ile) "Oscillation criteria for certain forced second-order nonlinear differential equations with delayed argument" Comput. Math. Appl. 49 (2005), 1647--1653.

11) (Y. Başcı, I. Güleç ile) "Interval criteria for oscillation of second-order functional differential equations" Comput. Math. Appl. 50 (2005), 1487--1498.

12) (M.F.Aktaş ile) "Oscillation criteria of a certain class of third order nonlinear delay differential equations with damping", J.Math.Anal.Appl., 325 (2007), 54-68.

b) CMCI (SCIE)

1) "Periodic solutions of a certain fourth order differential equation”, Indian J. pure appl. Math., 20,3(1989), 235-241.

2) “An instability theorem for a certain sixty order differential equation”, Indian J. pure appl. Math., 21,4(1990), 330-333.

3) (C. Tunç ile) “Constructing Lyapunov functions for certain fourth-order autonomous differential equations”, Indian J. pure appl.Math., 26, 3(1995), 225-232.

4) (C. Tunç ile) “ On the boundedness and the stability results for the solution of certain fourth order differential equations via the intrinsic method”, Applied Mathematics and Mechanics, 17 (1996), 1039-1049.

5) (A.O. Çelebi ile) “ Nonoscillation  and asymptotic  behaviour for third order nonlinear differential equations”, Czechoslovak Mathematical Journal,  48(123) (1998),  677-685.

6) “Boundedness and periodicity results for a certain system of third order nonlinear differential equations”.  Indian J. Pure Appl. Math., 34(4) (1999), 361-372.

7) (B.Ayanlar ile) “Oscıllıatıon theorems for nonlinear second order differential equatıons with damping, Acta Math. Hungary 89 (1-2) (2000), 1-13

8) (Ş.Yaman ile) “Oscillatory behaviour of a class of nonlinear differantial equations of third order” Acta Mathematica Scientia, 21B(2)(2001), 182-188.

9) (P.Temtek ile) "Nonoscillation results for a class of third order nonlinear differential equations", Applied Mathematics and Mechanics,23 (10) (2002), 1170-1175.

10) (A. Zafer ile) "Oscillation of second order nonlinear differential equations with nonlinear damping", Math. Comput. Model. 39(2004), 197-208.

c) Diğer Dergiler

1) “ On the equation =A(t)x”, Math. Japonica, 33,3(1988), 469-473.

2) “Extension of an instability theorem for a certain fourth order differential equation”, Bull. Inst.Math. Acad. Sinica, 16, 2(1988), 163-165.

3)  “Extension of an instability theorem for a certain fifth order differential equation”,
J. Karadeniz Tech. Univ., Fac. Arts Sci., Ser. Math.-Phys. 11(1988), 225-227.

4) “On the periodic solutions of a certain fifth order differential equation”, Erc. Üniv. Fen Bil. Derg., 4,1-2(1988), 665-668.

5) “On the periodic solutions of certain fourth and fifth order differential equations”, Pure and Appl. Math.Sci., XXXII, No 1-2(1990), 11-14.

6) “Periodic solutions of certain systems of fourth, fifth and sixth order differential equations”, Studia Univ. Babeş-Bolyai, Mathematica, 35, 1(1990), 83-90.

7) “Periodic solutions of certain sixth order differential equations”, Studia Univ. Babeş - Bolyai, Mathematica, 35, 2(1990), 31-38.

8) “Periodic solutions of certain fifth order differential equations”, Doğa-Tr.J.of Mathematics, 15(1991), 53-61.

9) (C. Tunç ile) “ On the boundedness and the stability properties for the solutions of certain fifth order differential equations”, Hacettepe Bull. Nat.Sci.  and Eng. Vol. 25 Ser. B(1996) 53-68.

10) (C. Tunç ile) “Boundedness and  stability properties of  solutions of  certain   fourth order differential equations via the intrinsic method”, Analysis,  16 (1996)

11) (A.O. Çelebi ile) “ On the nonoscillatory behaviour of solutions of  third order differential equations”, Applicaple Analysis, 67 (1997), 89-97.

12) (V. Kalantarov ile)  “ On the stability results for third order differential operator equations”, Turk. J. Math., 21 (1997) 179-186.

13) (A. Zafer ile) “Oscillation  criteria for second order  nonlinear differential equations with damping” Turk. J. Math., 24 (2000), 185-196