Chatzarakis, George E.; Kusano, Takaŝi; Stavroulakis, Ioannis P. Oscillation conditions for difference equations with several variable arguments. (English) Zbl 1363.39014 Math. Bohem. 140, No. 3, 291-311 (2015). Reviewer: Jacques Sauloy (Toulouse) MSC: 39A21 39A10 × Cite Format Result Cite Review PDF Full Text: DOI Link
Kitamura, Y.; Kusano, T.; Lalli, B. S. Existence of oscillatory and nonoscillatory solutions for a class of neutral functional differential equations. (English) Zbl 0838.34079 Math. Bohem. 120, No. 1, 57-69 (1995). Reviewer: V.Petrov (Plovdiv) MSC: 34K99 34K40 34C10 × Cite Format Result Cite Review PDF Full Text: DOI EuDML EMIS
Kitamura, Yuichi; Kusano, Takaši; Lalli, B. S. Existence theorems for nonlinear functional differential equations of neutral type. (English) Zbl 0828.34058 Georgian Math. J. 2, No. 1, 79-92 (1995). Reviewer: R.G.Koplatadze (Tbilisi) MSC: 34K99 34K40 × Cite Format Result Cite Review PDF Full Text: EuDML EMIS
Ivanov, A. F.; Kusano, T. Oscillation of solutions of second order nonlinear functional differential equations of neutral type. (English. Russian original) Zbl 0753.34049 Ukr. Math. J. 43, No. 12, 1556-1568 (1991); translation from Ukr. Mat. Zh. 43, No. 12, 1671-1683 (1991). Reviewer: A.Halanay (Bucureşti) MSC: 34K99 34K40 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Jaroš, Jaroslav; Kusano, Takaŝi Oscillation properties of first order nonlinear functional differential equations of neutral type. (English) Zbl 0729.34054 Differ. Integral Equ. 4, No. 2, 425-436 (1991). Reviewer: V.Sree Hari Rao (Hyderabad) MSC: 34K99 34C10 34K40 × Cite Format Result Cite Review PDF
Jaroš, J.; Kusano, T. Existence of oscillatory solutions for functional differential equations of neutral type. (English) Zbl 0745.34067 Acta Math. Univ. Comen., New Ser. 60, No. 2, 185-194 (1991). Reviewer: A.Halanay (Bucureşti) MSC: 34K99 34C10 34K40 × Cite Format Result Cite Review PDF Full Text: EuDML EMIS
Jaroš, Jaroslav; Kusano, Takaŝi On a class of first order nonlinear functional differential equations of neutral type. (English) Zbl 0728.34083 Czech. Math. J. 40(115), No. 3, 475-490 (1990). Reviewer: M.Švec (Bratislava) MSC: 34K40 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Jaroš, Jaroslav; Kusano, Takaŝi On oscillation of linear neutral differential equations of higher order. (English) Zbl 0725.34089 Hiroshima Math. J. 20, No. 2, 407-419 (1990). Reviewer: J.Ohriska (Košice) MSC: 34K40 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI Link
Kitamura, Yuichi; Kusano, Takaŝi Oscillation and asymptotic behavior of solutions of first-order functional differential equations of neutral type. (English) Zbl 0722.34064 Funkc. Ekvacioj, Ser. Int. 33, No. 2, 325-343 (1990). Reviewer: H.Haruki (Waterloo/Ontario) MSC: 34K40 34K99 34C10 × Cite Format Result Cite Review PDF
Jaroš, J.; Kusano, T. Nonoscillation theorems for a class of neutral functional differential equations of arbitrary order. (English) Zbl 0718.34100 Differential equations and their applications, Proc. 7th Conf., Equadiff 7, Prague/Czech. 1989, Teubner-Texte Math. 118, 84-87 (1990). MSC: 34K99 34C10 34K40 × Cite Format Result Cite Review PDF
Jaroš, Jaroslav; Kusano, Takaŝi Sufficient conditions for oscillations in higher order linear functional differential equations of neutral type. (English) Zbl 0714.34104 Jap. J. Math., New Ser. 15, No. 2, 415-432 (1989). Reviewer: Zhujun Jing MSC: 34K99 34C10 34A30 × Cite Format Result Cite Review PDF
Jaroš, Jaroslav; Kusano, Takaŝi Asymptotic behavior of nonoscillatory solutions of nonlinear functional differential equations of neutral type. (English) Zbl 0705.34078 Funkc. Ekvacioj, Ser. Int. 32, No. 2, 251-263 (1989). Reviewer: B.Schwarz MSC: 34K99 34E05 34K25 34C10 34A34 × Cite Format Result Cite Review PDF
Ivanov, A. F.; Kusano, T. Oscillation of the solutions of a certain class of first-order functional-differential equations of neutral type. (English. Russian original) Zbl 0703.34075 Ukr. Math. J. 41, No. 10, 1179-1183 (1989); translation from Ukr. Mat. Zh. 41, No. 10, 1370-1375 (1989). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Ivanov, A. F.; Kusano, T. Oscillation properties of solutions of a class of first order functional- differential equations of neutral type. (Russian) Zbl 0694.34056 Ukr. Mat. Zh. 41, No. 10, 1370-1375 (1989). Reviewer: V.A.Velev MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Jaroš, Jaroslav; Kusano, Takaŝi Oscillation theory of higher order linear functional differential equations of neutral type. (English) Zbl 0693.34038 Hiroshima Math. J. 18, No. 3, 509-531 (1988). Reviewer: C.Simirad MSC: 34C15 34C10 34K99 34A30 × Cite Format Result Cite Review PDF Full Text: DOI Link
Trench, William F.; Kusano, Takaŝi Systems of functional differential equations with asymptotically constant solutions. (English) Zbl 0692.34071 Proc. Am. Math. Soc. 104, No. 4, 1091-1097 (1988). MSC: 34K99 34K25 × Cite Format Result Cite Review PDF Full Text: DOI
Ivanov, A. F.; Kusano, T. Oscillations of solutions of a class of functional-differential equations. (English. Russian original) Zbl 0716.34085 Ukr. Math. J. 39, No. 6, 582-585 (1987); translation from Ukr. Mat. Zh. 39, No. 6, 717-721 (1987). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Ivanov, A. F.; Kusano, T. On the oscillation of solutions of a class of differential-functional equations. (Russian) Zbl 0653.34046 Ukr. Mat. Zh. 39, No. 6, 717-721 (1987). Reviewer: G.Osipenko MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kusano, Takaŝi; Trench, William F. Global existence theorems for solutions of nonlinear differential equations with prescribed asymptotic behaviour. (English) Zbl 0578.34045 J. Lond. Math. Soc., II. Ser. 31, 478-486 (1985). MSC: 34K99 34K05 × Cite Format Result Cite Review PDF Full Text: DOI
Graef, John R.; Kusano, Takaŝi Oscillation and nonoscillation criteria for a class of forced differential equations with deviating arguments. (English) Zbl 0562.34057 Bull. Inst. Math., Acad. Sin. 12, 211-217 (1984). Reviewer: T.Ding MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Graef, John R.; Grammatikopoulos, Myron K.; Kitamura, Yuichi; Kusano, Takaŝi; Onose, Hiroshi; Spikes, Paul W. Nonoscillation theorems for functional differential equations of arbitrary order. (English) Zbl 0559.34068 Int. J. Math. Math. Sci. 7, 249-256 (1984). MSC: 34K99 34C15 34C10 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Kusano, Takaŝi; Singh, Bhagat Positive solutions of functional differential equations with singular nonlinear terms. (English) Zbl 0558.34057 Nonlinear Anal., Theory Methods Appl. 8, 1081-1090 (1984). MSC: 34K99 × Cite Format Result Cite Review PDF Full Text: DOI
Fukagai, Nobuyoshi; Kusano, Takaŝi Oscillation theory of first order functional differential equations with deviating arguments. (English) Zbl 0552.34062 Ann. Mat. Pura Appl., IV. Ser. 136, 95-117 (1984). Reviewer: V.Sree Hari Rao MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takaŝi Oscillation of even order linear functional differential equations with deviating arguments of mixed type. (English) Zbl 0546.34056 J. Math. Anal. Appl. 98, 341-347 (1984). Reviewer: J.Kalinowski MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Dahiya, R. S.; Kusano, Takaŝi; Naito, Manabu On almost oscillation of functional differential equations with deviating arguments. (English) Zbl 0532.34047 J. Math. Anal. Appl. 98, 332-340 (1984). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Graef, John R.; Kusano, Takaŝi; Onose, Hiroshi; Spikes, Paul W. On the asymptotic behavior of oscillatory solutions of functional differential equations. (English) Zbl 0541.34045 Funkc. Ekvacioj, Ser. Int. 26, 11-16 (1983). Reviewer: B.H.Stephan MSC: 34K99 34C10 34E99 × Cite Format Result Cite Review PDF
Fink, A. M.; Kusano, Takaŝi Nonoscillation theorems for a class of perturbed disconjugate differential equations. (English) Zbl 0536.34048 Jap. J. Math., New Ser. 9, 277-291 (1983). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Singh, Bhagat; Kusano, Takaŝi Forced oscillations in functional differential equations with deviating arguments. (English) Zbl 0532.34046 Arch. Math., Brno 19, 9-17 (1983). MSC: 34K99 × Cite Format Result Cite Review PDF Full Text: EuDML
Fink, A. M.; Kusano, Takaŝi Nonoscillation theorems for differential equations with general deviating arguments. (English) Zbl 0531.34052 Ordinary differential equations and operators, A Trib. to F. V. Atkinson, Proc. Symp., Dundee/Scotl. 1982, Lect. Notes Math. 1032, 224-239 (1983). Reviewer: H.Jeggle MSC: 34K99 34K25 34C10 34C11 × Cite Format Result Cite Review PDF
Fukagai, Nobuyoshi; Kusano, Takasi On second order functional differential equations and inequalities with deviating arguments. (English) Zbl 0515.34061 Monatsh. Math. 96, 107-118 (1983). MSC: 34K99 34C10 34C11 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Kusano, Takaŝi Oscillation theory of higher-order ordinary and functional differential equations with forcing terms. (English) Zbl 0538.34021 Differential equations and their applications, Equadiff 5, Proc. 5th Czech. Conf., Bratislava 1981, Teubner-Texte Math. 47, 218-221 (1982). Reviewer: L.Erbe MSC: 34C10 34K99 × Cite Format Result Cite Review PDF
Kusano, Takasi On even-order functional differential equations with advanced and retarded arguments. (English) Zbl 0512.34059 J. Differ. Equations 45, 75-84 (1982). MSC: 34K99 × Cite Format Result Cite Review PDF Full Text: DOI
Ivanov, A. F.; Kitamura, Y.; Kusano, T.; Shevelo, V. N. Oscillatory solutions of functional differential equations generated by deviation of arguments of mixed type. (English) Zbl 0511.34052 Hiroshima Math. J. 12, 645-655 (1982). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kusano, Takasi On strong oscillation of even order differential equations with advanced arguments. (English) Zbl 0498.34051 Hiroshima Math. J. 11, 617-620 (1981). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kusano, Takasi; Naito, Manabu Comparison theorems for functional differential equations with deviating arguments. (English) Zbl 0494.34049 J. Math. Soc. Japan 33, 509-532 (1981). MSC: 34K99 34C11 × Cite Format Result Cite Review PDF Full Text: DOI
Singh, Bhagat; Kusano, Takasi Asymptotic behavior of oscillatory solutions of a differential equation with deviating arguments. (English) Zbl 0472.34044 J. Math. Anal. Appl. 83, 395-407 (1981). MSC: 34K25 34E05 34C10 34K99 × Cite Format Result Cite Review PDF Full Text: DOI
Kitamura, Yuichi; Kusano, Takasi Nonlinear oscillation of higher-order functional differential equations with deviating arguments. (English) Zbl 0465.34044 J. Math. Anal. Appl. 77, 100-119 (1980). MSC: 34K99 34C15 34A34 × Cite Format Result Cite Review PDF Full Text: DOI
Singh, Bhagat; Kusano, Takasi On asymptotic limits of nonoscillations in functional equations with retarded arguments. (English) Zbl 0447.34067 Hiroshima Math. J. 10, 557-565 (1980). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kitamura, Yuichi; Kusano, Takasi Oscillation of first-order nonlinear differential equations with deviating arguments. (English) Zbl 0433.34051 Proc. Am. Math. Soc. 78, 64-68 (1980). MSC: 34K99 34C15 34C10 34A34 × Cite Format Result Cite Review PDF Full Text: DOI
Graef, John R.; Kitamura, Yuichi; Kusano, Takasi; Onose, Hiroshi; Spikes, Paul W. On the nonoscillation of perturbed functional differential equations. (English) Zbl 0425.34073 Pac. J. Math. 83, 365-373 (1979). MSC: 34K99 34C15 34A34 × Cite Format Result Cite Review PDF Full Text: DOI
Kitamura, Yuichi; Kusano, Takasi On the oscillation of a class of nonlinear differential systems with deviating argument. (English) Zbl 0417.34107 J. Math. Anal. Appl. 66, 20-36 (1978). MSC: 34K99 34A34 34C15 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Naito, Manabu Nonlinear oscillation of fourth order differential equations with deviating argument. (English) Zbl 0417.34105 Rev. Roum. Math. Pures Appl. 23, 1351-1365 (1978). MSC: 34K99 34C15 34A34 × Cite Format Result Cite Review PDF
Kitamura, Yuichi; Kusano, Takasi Oscillation and a class of nonlinear differential systems with general deviating arguments. (English) Zbl 0386.34065 Nonlinear Anal., Theory, Methods Appl. 2, 537-551 (1978). MSC: 34K99 × Cite Format Result Cite Review PDF Full Text: DOI
Kitamura, Yuichi; Kusano, Takasi An oscillation theorem for a superlinear functional differential equation with general deviating arguments. (English) Zbl 0372.34047 Bull. Aust. Math. Soc. 18, 395-402 (1978). MSC: 34K99 34K05 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kitamura, Yuichi; Kusano, Takasi Vanishing oscillations of solutions of a class of differential systems with retarded argument. (English) Zbl 0394.34050 Atti Accad. Naz. Lincei, VIII. Ser., Rend., Cl. Sci. Fis. Mat. Nat. 61(1976), 325-334 (1977). MSC: 34K99 34E05 34C10 × Cite Format Result Cite Review PDF
Kusano, Takasi; Onose, Hiroshi Asymptotic decay of oscillatory solutions of second order differential equations with forcing term. (English) Zbl 0367.34021 Proc. Am. Math. Soc. 66, 251-257 (1977). MSC: 34C10 34K99 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, T.; Onose, H. Nonlinear oscillation of second order functional differential equations with advanced argument. (English) Zbl 0353.34081 J. Math. Soc. Japan 29, 541-559 (1977). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi On the oscillation of solutions of nonlinear functional differential equations. (English) Zbl 0384.34050 Hiroshima Math. J. 6, 635-645 (1976). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kusano, Takasi; Onose, Hiroshi Asymptotic behaviour of nonoscillatory solutions of functional differential equations of arbitrary order. (English) Zbl 0378.34056 J. Lond. Math. Soc., II. Ser. 14, 106-112 (1976). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi Remarks on the oscillatory behavior of solutions of functional differential equations with deviating argument. (English) Zbl 0344.34062 Hiroshima Math. J. 6, 183-189 (1976). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kusano, Takasi; Onose, Hiroshi A nonoscillation theorem for a second order sublinear retarded differential equation. (English) Zbl 0343.34057 Bull. Aust. Math. Soc. 15, 401-406 (1976). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi Nonoscillation theorems for differential equations with deviating argument. (English) Zbl 0342.34058 Pac. J. Math. 63, 185-192 (1976). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi Asymptotic behavior of nonoscillatory solutions of second order functional differential equations. (English) Zbl 0335.34043 Bull. Aust. Math. Soc. 13, 291-299 (1975). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi Nonoscillatory solutions of differential equations with retarded arguments. (English) Zbl 0329.34056 Bull. Fac. Sci. Ibaraki Univ., Ser. A 7, 1-11 (1975). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Naito, Manabu Nonlinear oscillation of second order differential equations with retarded argument. (English) Zbl 0316.34083 Ann. Mat. Pura Appl., IV. Ser. 106, 171-185 (1975). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi Oscillatory behavior of solutions of higher-order retarded differential equations. (English) Zbl 0355.34057 C. Carathéodory, Proc. int. Symp., Athens 1973, 370-389 (1974). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF
Kusano, Takasi; Onose, Hiroshi An oscillation theorem for differential equations with deviating argument. (English) Zbl 0346.34053 Proc. Japan Acad. 50, 809-811 (1974). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi Oscillatory and asymptotic behavior of sublinear retarded differential equations. (English) Zbl 0346.34052 Hiroshima Math. J. 4, 343-355 (1974). MSC: 34K99 34C10 34D05 × Cite Format Result Cite Review PDF
Kusano, Takasi; Onose, Hiroshi Oscillation theorems for second order differential equations with retarded argument. (English) Zbl 0329.34055 Proc. Japan Acad. 50, 342-346 (1974). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, T.; Onose, H. Oscillations of functional differential equations with retarded argument. (English) Zbl 0292.34078 J. Differ. Equations 15, 269-277 (1974). MSC: 34K99 34C10 × Cite Format Result Cite Review PDF Full Text: DOI
Kusano, Takasi; Onose, Hiroshi Oscillation theorems for delay equations of arbitrary order. (English) Zbl 0269.34065 Hiroshima Math. J. 2, 263-270 (1972). MSC: 34C10 34K99 × Cite Format Result Cite Review PDF
Kusano, Takasi; Onose, Hiroshi Oscillation of solutions of nonlinear differential delay equations of arbitrary order. (English) Zbl 0269.34064 Hiroshima Math. J. 2, 1-13 (1972). MSC: 34C10 34K99 × Cite Format Result Cite Review PDF