Hasil, Petr; Pospíšil, Michal; Šišoláková, Jiřina; Veselý, Michal Oscillation criterion for linear equations with coefficients containing powers of natural logarithm. (English) Zbl 07789019 Monatsh. Math. 203, No. 1, 91-109 (2024). MSC: 34C10 34A30 34C29 PDFBibTeX XMLCite \textit{P. Hasil} et al., Monatsh. Math. 203, No. 1, 91--109 (2024; Zbl 07789019) Full Text: DOI OA License
Azami, Shahroud; Fanaï, Hamid Reza; Fatemi, Seyyed Hamed Extension of Bishop-Gromov volume comparison theorem by elliptic operators. (English) Zbl 1525.53039 Mediterr. J. Math. 20, No. 5, Paper No. 286, 27 p. (2023). MSC: 53C20 53C21 58J05 35S35 PDFBibTeX XMLCite \textit{S. Azami} et al., Mediterr. J. Math. 20, No. 5, Paper No. 286, 27 p. (2023; Zbl 1525.53039) Full Text: DOI
Ishibashi, Kazuki Nonoscillation of damped linear differential equations with a proportional derivative controller and its application to Whittaker-Hill-type and Mathieu-type equations. (English) Zbl 1523.34036 Opusc. Math. 43, No. 1, 67-79 (2023). Reviewer: Qiru Wang (Guangzhou) MSC: 34C10 34A30 34B30 34H05 PDFBibTeX XMLCite \textit{K. Ishibashi}, Opusc. Math. 43, No. 1, 67--79 (2023; Zbl 1523.34036) Full Text: DOI
Grace, Said R.; Chhatria, Gokula Nanda On oscillatory behaviour of third-order half-linear dynamic equations on time scales. (English) Zbl 1517.34108 Opusc. Math. 42, No. 6, 849-865 (2022). Reviewer: Tom Cuchta (Fairmont) MSC: 34K42 34K11 34N05 PDFBibTeX XMLCite \textit{S. R. Grace} and \textit{G. N. Chhatria}, Opusc. Math. 42, No. 6, 849--865 (2022; Zbl 1517.34108) Full Text: DOI
Hasil, Petr; Šišoláková, Jiřina; Veselý, Michal Oscillation of modified Euler type half-linear differential equations via averaging technique. (English) Zbl 1493.34110 Electron. J. Differ. Equ. 2022, Paper No. 41, 16 p. (2022). MSC: 34C10 34C15 PDFBibTeX XMLCite \textit{P. Hasil} et al., Electron. J. Differ. Equ. 2022, Paper No. 41, 16 p. (2022; Zbl 1493.34110) Full Text: Link
Ishibashi, Kazuki Nonoscillation of the Mathieu-type half-linear differential equation and its application to the generalized Whittaker-Hill-type equation. (English) Zbl 07557945 Monatsh. Math. 198, No. 4, 741-756 (2022). MSC: 34C10 34B30 PDFBibTeX XMLCite \textit{K. Ishibashi}, Monatsh. Math. 198, No. 4, 741--756 (2022; Zbl 07557945) Full Text: DOI
Vetro, Calogero; Wardowski, Dariusz Asymptotics for third-order nonlinear differential equations: non-oscillatory and oscillatory cases. (English) Zbl 1516.34084 Asymptotic Anal. 128, No. 4, 445-463 (2022). Reviewer: Qingkai Kong (DeKalb) MSC: 34D05 34C10 PDFBibTeX XMLCite \textit{C. Vetro} and \textit{D. Wardowski}, Asymptotic Anal. 128, No. 4, 445--463 (2022; Zbl 1516.34084) Full Text: DOI
Chen, Huiling; Cui, Yujun Existence of extremal solutions for a fractional compartment model. (English) Zbl 1486.34025 J. Appl. Math. Comput. 68, No. 2, 941-951 (2022). MSC: 34A08 34B15 PDFBibTeX XMLCite \textit{H. Chen} and \textit{Y. Cui}, J. Appl. Math. Comput. 68, No. 2, 941--951 (2022; Zbl 1486.34025) Full Text: DOI
Li, Kun; Li, Xiong Existence and stability of bistable wavefronts in a nonlocal delayed reaction-diffusion epidemic system. (English) Zbl 1504.35115 Eur. J. Appl. Math. 32, No. 1, 146-176 (2021). MSC: 35C07 35B51 35K57 35R09 PDFBibTeX XMLCite \textit{K. Li} and \textit{X. Li}, Eur. J. Appl. Math. 32, No. 1, 146--176 (2021; Zbl 1504.35115) Full Text: DOI
Ullah, Najib; Sabi’u, Jamilu; Shah, Abdullah A derivative-free scaling memoryless Broyden-Fletcher-Goldfarb-Shanno method for solving a system of monotone nonlinear equations. (English) Zbl 07478606 Numer. Linear Algebra Appl. 28, No. 5, e2374, 17 p. (2021). Reviewer: Hang Lau (Montréal) MSC: 65H10 90C30 65K05 PDFBibTeX XMLCite \textit{N. Ullah} et al., Numer. Linear Algebra Appl. 28, No. 5, e2374, 17 p. (2021; Zbl 07478606) Full Text: DOI
Brasco, Lorenzo; Lindgren, Erik; Strömqvist, Martin Continuity of solutions to a nonlinear fractional diffusion equation. (English) Zbl 1486.35084 J. Evol. Equ. 21, No. 4, 4319-4381 (2021). Reviewer: Xiaoming He (Beijing) MSC: 35B45 35K65 35R11 35K92 35B65 35B51 35K61 PDFBibTeX XMLCite \textit{L. Brasco} et al., J. Evol. Equ. 21, No. 4, 4319--4381 (2021; Zbl 1486.35084) Full Text: DOI arXiv
Azami, Shahroud; Fatemi, Seyyed Hamed; Kashani, Seyyed Mohammad Bagher Comparison geometry for an extension of Ricci tensor. (English) Zbl 1480.53050 Result. Math. 76, No. 4, Paper No. 215, 37 p. (2021). MSC: 53C20 53C23 PDFBibTeX XMLCite \textit{S. Azami} et al., Result. Math. 76, No. 4, Paper No. 215, 37 p. (2021; Zbl 1480.53050) Full Text: DOI arXiv
Qiao, Shao-Xia; Du, Li-Jun Propagation dynamics of nonlocal dispersal equations with inhomogeneous bistable nonlinearity. (English) Zbl 1466.35080 Electron. Res. Arch. 29, No. 3, 2269-2291 (2021). MSC: 35C07 35B08 35B51 35K57 35R09 92D25 PDFBibTeX XMLCite \textit{S.-X. Qiao} and \textit{L.-J. Du}, Electron. Res. Arch. 29, No. 3, 2269--2291 (2021; Zbl 1466.35080) Full Text: DOI
Bourguiba, Rim; Rodríguez-López, Rosana Existence results for fractional differential equations in presence of upper and lower solutions. (English) Zbl 1469.34013 Discrete Contin. Dyn. Syst., Ser. B 26, No. 3, 1723-1747 (2021). MSC: 34A08 34A12 34A30 34A34 34A45 PDFBibTeX XMLCite \textit{R. Bourguiba} and \textit{R. Rodríguez-López}, Discrete Contin. Dyn. Syst., Ser. B 26, No. 3, 1723--1747 (2021; Zbl 1469.34013) Full Text: DOI
Hasil, Petr; Veselý, Michal Positivity of solutions of adapted generalized Riccati equation with consequences in oscillation theory. (English) Zbl 1468.34040 Appl. Math. Lett. 117, Article ID 107118, 7 p. (2021). Reviewer: Kōdai Fujimoto (Osaka) MSC: 34C10 34A34 PDFBibTeX XMLCite \textit{P. Hasil} and \textit{M. Veselý}, Appl. Math. Lett. 117, Article ID 107118, 7 p. (2021; Zbl 1468.34040) Full Text: DOI
Yamanaka, Yusuke; Yamaoka, Naoto Oscillation and nonoscillation theorems for Meissner’s equation. (English) Zbl 1508.34031 Appl. Math. Comput. 388, Article ID 125526, 13 p. (2021). MSC: 34C10 PDFBibTeX XMLCite \textit{Y. Yamanaka} and \textit{N. Yamaoka}, Appl. Math. Comput. 388, Article ID 125526, 13 p. (2021; Zbl 1508.34031) Full Text: DOI
Chatzarakis, G. E.; Deepa, M.; Nagajothi, N.; Sadhasivam, V. Some new oscillation criteria for second-order hybrid differential equations. (English) Zbl 1488.34233 Hacet. J. Math. Stat. 49, No. 4, 1334-1345 (2020). MSC: 34C10 34A38 34C29 PDFBibTeX XMLCite \textit{G. E. Chatzarakis} et al., Hacet. J. Math. Stat. 49, No. 4, 1334--1345 (2020; Zbl 1488.34233) Full Text: DOI
Fujimoto, K. Power comparison theorems for oscillation problems for second order differential equations with \(p(t)\)-Laplacian. (English) Zbl 1474.34240 Acta Math. Hung. 162, No. 1, 333-344 (2020). MSC: 34C10 PDFBibTeX XMLCite \textit{K. Fujimoto}, Acta Math. Hung. 162, No. 1, 333--344 (2020; Zbl 1474.34240) Full Text: DOI
Hasil, Petr; Jaroš, Jaroslav; Veselý, Michal Riccati technique and oscillation constant for modified Euler type half-linear equations. (English) Zbl 1474.34242 Publ. Math. Debr. 97, No. 1-2, 117-147 (2020). Reviewer: Pavel Rehak (Brno) MSC: 34C10 34C20 PDFBibTeX XMLCite \textit{P. Hasil} et al., Publ. Math. Debr. 97, No. 1--2, 117--147 (2020; Zbl 1474.34242) Full Text: DOI
Sugie, Jitsuro A remark on Philos-type oscillation criteria for differential equations. (English) Zbl 1463.34150 Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 18, 7 p. (2020). MSC: 34C10 34A30 PDFBibTeX XMLCite \textit{J. Sugie}, Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 18, 7 p. (2020; Zbl 1463.34150) Full Text: DOI
Sugie, Jitsuro Interval criteria for oscillation of second-order self-adjoint impulsive differential equations. (English) Zbl 1443.34031 Proc. Am. Math. Soc. 148, No. 3, 1095-1108 (2020). Reviewer: Satoshi Tanaka (Sendai) MSC: 34C10 34A37 34C29 PDFBibTeX XMLCite \textit{J. Sugie}, Proc. Am. Math. Soc. 148, No. 3, 1095--1108 (2020; Zbl 1443.34031) Full Text: DOI
Wen, Kunwen; Zeng, Yuping; Peng, Huaqin; Huang, Lifang Philos-type oscillation criteria for second-order linear impulsive differential equation with damping. (English) Zbl 1524.34090 Bound. Value Probl. 2019, Paper No. 111, 16 p. (2019). MSC: 34C10 34A37 PDFBibTeX XMLCite \textit{K. Wen} et al., Bound. Value Probl. 2019, Paper No. 111, 16 p. (2019; Zbl 1524.34090) Full Text: DOI
Devi, J. V.; Mcrae, F. A.; Drici, Z. Theory of fractional differential equations using inequalities and comparison theorems: a survey. (English) Zbl 1444.35005 Daftardar-Gejji, Varsha (ed.), Fractional calculus and fractional differential equations. Singapore: Birkhäuser. Trends Math., 127-155 (2019). MSC: 35-02 35R11 35B51 PDFBibTeX XMLCite \textit{J. V. Devi} et al., in: Fractional calculus and fractional differential equations. Singapore: Birkhäuser. 127--155 (2019; Zbl 1444.35005) Full Text: DOI
Sugie, Jitsuro Interval oscillation criteria for second-order linear differential equations with impulsive effects. (English) Zbl 1476.34091 J. Math. Anal. Appl. 479, No. 1, 621-642 (2019). Reviewer: Robert Mařík (Brno) MSC: 34C10 34A37 34A30 PDFBibTeX XMLCite \textit{J. Sugie}, J. Math. Anal. Appl. 479, No. 1, 621--642 (2019; Zbl 1476.34091) Full Text: DOI
Hasil, Petr; Veselý, Michal Oscillation result for half-linear dynamic equations on timescales and its consequences. (English) Zbl 1428.34139 Math. Methods Appl. Sci. 42, No. 6, 1921-1940 (2019). Reviewer: Roman Šimon Hilscher (Brno) MSC: 34N05 26E70 34C10 34A30 39A21 PDFBibTeX XMLCite \textit{P. Hasil} and \textit{M. Veselý}, Math. Methods Appl. Sci. 42, No. 6, 1921--1940 (2019; Zbl 1428.34139) Full Text: DOI
Hasil, P.; Šišoláková, J.; Veselý, M. Averaging technique and oscillation criterion for linear and half-linear equations. (English) Zbl 1415.34063 Appl. Math. Lett. 92, 62-69 (2019). Reviewer: Qingkai Kong (DeKalb) MSC: 34C10 34C29 34A30 PDFBibTeX XMLCite \textit{P. Hasil} et al., Appl. Math. Lett. 92, 62--69 (2019; Zbl 1415.34063) Full Text: DOI
Martynyuk, A. A.; Stamova, Ivanka M. Stability analysis of set trajectories for families of impulsive equations. (English) Zbl 1417.34117 Appl. Anal. 98, No. 4, 828-842 (2019). Reviewer: Yong-Kui Chang (Xi’an) MSC: 34D20 34A37 34A45 PDFBibTeX XMLCite \textit{A. A. Martynyuk} and \textit{I. M. Stamova}, Appl. Anal. 98, No. 4, 828--842 (2019; Zbl 1417.34117) Full Text: DOI
Fujimoto, Kōdai; Yamaoka, Naoto Oscillation constants for Euler type differential equations involving the \(p(t)\)-Laplacian. (English) Zbl 1405.34029 J. Math. Anal. Appl. 470, No. 2, 1238-1250 (2019). Reviewer: Qingkai Kong (DeKalb) MSC: 34C10 PDFBibTeX XMLCite \textit{K. Fujimoto} and \textit{N. Yamaoka}, J. Math. Anal. Appl. 470, No. 2, 1238--1250 (2019; Zbl 1405.34029) Full Text: DOI
Sugie, Jitsuro; Ishihara, Kazuki Philos-type oscillation criteria for linear differential equations with impulsive effects. (English) Zbl 1412.34121 J. Math. Anal. Appl. 470, No. 2, 911-930 (2019). Reviewer: Abdullah Özbekler (Ankara) MSC: 34C10 34A37 34A30 PDFBibTeX XMLCite \textit{J. Sugie} and \textit{K. Ishihara}, J. Math. Anal. Appl. 470, No. 2, 911--930 (2019; Zbl 1412.34121) Full Text: DOI
Başci, Yasemin Kamenev-type oscillation criteria for second order matrix differential systems with damping. (English) Zbl 1488.34232 Hacet. J. Math. Stat. 47, No. 5, 1248-1267 (2018). MSC: 34C10 34C29 PDFBibTeX XMLCite \textit{Y. Başci}, Hacet. J. Math. Stat. 47, No. 5, 1248--1267 (2018; Zbl 1488.34232) Full Text: Link
Hou, Yingmin; Zhang, Lihong; Wang, Guotao A new comparison principle and its application to nonlinear impulsive functional integro-differential equations. (English) Zbl 1448.45008 Adv. Difference Equ. 2018, Paper No. 380, 13 p. (2018). MSC: 45J05 34A08 34K10 34K45 34B15 PDFBibTeX XMLCite \textit{Y. Hou} et al., Adv. Difference Equ. 2018, Paper No. 380, 13 p. (2018; Zbl 1448.45008) Full Text: DOI
Enaka, Yukihide; Onitsuka, Masakazu Integral averaging technique for oscillation of damped half-linear oscillators. (English) Zbl 1488.34234 Czech. Math. J. 68, No. 3, 755-770 (2018). MSC: 34C10 34C15 34C29 PDFBibTeX XMLCite \textit{Y. Enaka} and \textit{M. Onitsuka}, Czech. Math. J. 68, No. 3, 755--770 (2018; Zbl 1488.34234) Full Text: DOI
Hasil, Petr; Veselý, Michal Oscillation and non-oscillation of half-linear differential equations with coefficients determined by functions having mean values. (English) Zbl 1393.34044 Open Math. 16, 507-521 (2018). MSC: 34C10 PDFBibTeX XMLCite \textit{P. Hasil} and \textit{M. Veselý}, Open Math. 16, 507--521 (2018; Zbl 1393.34044) Full Text: DOI
Hasil, P.; Juránek, J.; Veselý, M. Adapted Riccati technique and non-oscillation of linear and half-linear equations. (English) Zbl 1392.34031 Appl. Math. Lett. 82, 98-105 (2018). MSC: 34C10 34D05 PDFBibTeX XMLCite \textit{P. Hasil} et al., Appl. Math. Lett. 82, 98--105 (2018; Zbl 1392.34031) Full Text: DOI
Yamaoka, Naoto Oscillation and nonoscillation criteria for second-order nonlinear difference equations of Euler type. (English) Zbl 1383.39013 Proc. Am. Math. Soc. 146, No. 5, 2069-2081 (2018). MSC: 39A21 39A12 34C10 PDFBibTeX XMLCite \textit{N. Yamaoka}, Proc. Am. Math. Soc. 146, No. 5, 2069--2081 (2018; Zbl 1383.39013) Full Text: DOI
Hasil, Petr; Veselý, Michal Oscillatory and non-oscillatory solutions of dynamic equations with bounded coefficients. (English) Zbl 1378.34099 Electron. J. Differ. Equ. 2018, Paper No. 24, 22 p. (2018). MSC: 34N05 26E70 34C10 34A30 39A21 PDFBibTeX XMLCite \textit{P. Hasil} and \textit{M. Veselý}, Electron. J. Differ. Equ. 2018, Paper No. 24, 22 p. (2018; Zbl 1378.34099) Full Text: Link
Cui, Yujun; Sun, Qiao; Su, Xinwei Monotone iterative technique for nonlinear boundary value problems of fractional order \(p\in(2,3]\). (English) Zbl 1422.34026 Adv. Difference Equ. 2017, Paper No. 248, 12 p. (2017). MSC: 34A08 34B18 34B15 26A33 34A45 PDFBibTeX XMLCite \textit{Y. Cui} et al., Adv. Difference Equ. 2017, Paper No. 248, 12 p. (2017; Zbl 1422.34026) Full Text: DOI
Řehák, Pavel; Yamaoka, Naoto Oscillation constants for second-order nonlinear dynamic equations of Euler type on time scales. (English) Zbl 1386.34146 J. Difference Equ. Appl. 23, No. 11, 1884-1900 (2017). Reviewer: Wengui Yang (Sanmenxia) MSC: 34N05 34C10 47N20 PDFBibTeX XMLCite \textit{P. Řehák} and \textit{N. Yamaoka}, J. Difference Equ. Appl. 23, No. 11, 1884--1900 (2017; Zbl 1386.34146) Full Text: DOI
Došlý, Ondřej Relative oscillation of linear Hamiltonian differential systems. (English) Zbl 1376.34032 Math. Nachr. 290, No. 14-15, 2234-2246 (2017). MSC: 34C10 34A30 37J99 PDFBibTeX XMLCite \textit{O. Došlý}, Math. Nachr. 290, No. 14--15, 2234--2246 (2017; Zbl 1376.34032) Full Text: DOI
Yu, Zhixian; Xu, Fang; Zhang, Weiguo Stability of invasion traveling waves for a competition system with nonlocal dispersals. (English) Zbl 1367.35059 Appl. Anal. 96, No. 7, 1107-1125 (2017). MSC: 35C07 92D25 35B35 35R09 PDFBibTeX XMLCite \textit{Z. Yu} et al., Appl. Anal. 96, No. 7, 1107--1125 (2017; Zbl 1367.35059) Full Text: DOI
Negi, Shekar Singh; Abbas, S.; Malik, M. Oscillation criteria of second-order non-linear dynamic equations with integro forcing term on time scales. (English) Zbl 1364.34130 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat. Model. Program. 10, No. 1, 35-47 (2017). MSC: 34N05 34C10 34K11 PDFBibTeX XMLCite \textit{S. S. Negi} et al., Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat. Model. Program. 10, No. 1, 35--47 (2017; Zbl 1364.34130) Full Text: DOI MNR
Wu, Fentao; Sugie, Jitsuro A new application method for nonoscillation criteria of Hille-Wintner type. (English) Zbl 1365.34066 Monatsh. Math. 183, No. 1, 201-218 (2017). MSC: 34C10 PDFBibTeX XMLCite \textit{F. Wu} and \textit{J. Sugie}, Monatsh. Math. 183, No. 1, 201--218 (2017; Zbl 1365.34066) Full Text: DOI
Wang, Tao; Yi, Taishan Uniqueness of positive solutions of the Choquard type equations. (English) Zbl 1360.35256 Appl. Anal. 96, No. 3, 409-417 (2017). MSC: 35Q55 34A12 35B09 35A02 35Q40 PDFBibTeX XMLCite \textit{T. Wang} and \textit{T. Yi}, Appl. Anal. 96, No. 3, 409--417 (2017; Zbl 1360.35256) Full Text: DOI
Zhang, Shao-Yan; Wang, Qi-Ru; Kong, Qingkai Asymptotics and oscillation of \(n\)th-order nonlinear dynamic equations on time scales. (English) Zbl 1410.34273 Appl. Math. Comput. 275, 324-334 (2016). MSC: 34N05 34C10 34D05 39A12 PDFBibTeX XMLCite \textit{S.-Y. Zhang} et al., Appl. Math. Comput. 275, 324--334 (2016; Zbl 1410.34273) Full Text: DOI
Došlý, Ondrej Half-linear Euler differential equation and its perturbations. (English) Zbl 1389.34106 Electron. J. Qual. Theory Differ. Equ. 2016, Suppl., Paper No. 10, 14 p. (2016). MSC: 34C10 PDFBibTeX XMLCite \textit{O. Došlý}, Electron. J. Qual. Theory Differ. Equ. 2016, Paper No. 10, 14 p. (2016; Zbl 1389.34106) Full Text: DOI Link
Karpuz, Başak Nonoscillation and oscillation of second-order linear dynamic equations via the sequence of functions technique. (English) Zbl 1358.34101 J. Fixed Point Theory Appl. 18, No. 4, 889-903 (2016). MSC: 34N05 34C10 47N20 PDFBibTeX XMLCite \textit{B. Karpuz}, J. Fixed Point Theory Appl. 18, No. 4, 889--903 (2016; Zbl 1358.34101) Full Text: DOI
Dalkiran, Evrim; Sherali, Hanif D. RLT-POS: reformulation-linearization technique-based optimization software for solving polynomial programming problems. (English) Zbl 1353.65052 Math. Program. Comput. 8, No. 3, 337-375 (2016). MSC: 65K05 90C26 65Y15 90C57 PDFBibTeX XMLCite \textit{E. Dalkiran} and \textit{H. D. Sherali}, Math. Program. Comput. 8, No. 3, 337--375 (2016; Zbl 1353.65052) Full Text: DOI
Mi, Xue; Li, Desheng Oscillation of third-order nonlinear neutral differential equations with a damping term. (Chinese. English summary) Zbl 1363.34097 J. Shenyang Norm. Univ., Nat. Sci. 34, No. 1, 45-50 (2016). MSC: 34C10 34C20 PDFBibTeX XMLCite \textit{X. Mi} and \textit{D. Li}, J. Shenyang Norm. Univ., Nat. Sci. 34, No. 1, 45--50 (2016; Zbl 1363.34097) Full Text: DOI
Alwan, Mohamad S.; Liu, Xinzhi; Xie, Wei-Chau Stability properties of nonlinear stochastic impulsive systems with time delay. (English) Zbl 1354.34131 Stochastic Anal. Appl. 34, No. 1, 117-136 (2016). Reviewer: Arne Ogrowsky (München) MSC: 34K50 34K20 34K34 34K45 PDFBibTeX XMLCite \textit{M. S. Alwan} et al., Stochastic Anal. Appl. 34, No. 1, 117--136 (2016; Zbl 1354.34131) Full Text: DOI
Tiryaki, A.; Oinarov, R. Oscillation criteria for some second-order superlinear differential equations. (English) Zbl 1335.34068 J. Math. Sci., New York 212, No. 4, 476-489 (2016) and Neliniĭni Kolyvannya 17, No. 4, 533-545 (2014). MSC: 34C10 PDFBibTeX XMLCite \textit{A. Tiryaki} and \textit{R. Oinarov}, J. Math. Sci., New York 212, No. 4, 476--489 (2016; Zbl 1335.34068) Full Text: DOI
Cui, Yujun; Zou, Yumei Monotone iterative technique for \((k, n-k)\) conjugate boundary value problems. (English) Zbl 1349.34071 Electron. J. Qual. Theory Differ. Equ. 2015, Paper No. 69, 11 p. (2015). MSC: 34B15 34C10 34A45 PDFBibTeX XMLCite \textit{Y. Cui} and \textit{Y. Zou}, Electron. J. Qual. Theory Differ. Equ. 2015, Paper No. 69, 11 p. (2015; Zbl 1349.34071) Full Text: DOI
Hasil, Petr; Vítovec, J. Conditional oscillation of half-linear Euler-type dynamic equations on time scales. (English) Zbl 1349.34393 Electron. J. Qual. Theory Differ. Equ. 2015, Paper No. 6, 24 p. (2015). MSC: 34N05 34C10 PDFBibTeX XMLCite \textit{P. Hasil} and \textit{J. Vítovec}, Electron. J. Qual. Theory Differ. Equ. 2015, Paper No. 6, 24 p. (2015; Zbl 1349.34393) Full Text: DOI
Yakar, Coşkun; Arslan, İsmet; Çiçek, Muhammed Monotone iterative technique by upper and lower solutions with initial time difference. (English) Zbl 1340.34052 Miskolc Math. Notes 16, No. 1, 575-586 (2015). MSC: 34A45 34A12 PDFBibTeX XMLCite \textit{C. Yakar} et al., Miskolc Math. Notes 16, No. 1, 575--586 (2015; Zbl 1340.34052)
Artidiello, Santiago; Cordero, Alicia; Torregrosa, Juan R.; Vassileva, María P. Two weighted eight-order classes of iterative root-finding methods. (English) Zbl 1329.65097 Int. J. Comput. Math. 92, No. 9, 1790-1805 (2015). Reviewer: Hang Lau (Montréal) MSC: 65H05 PDFBibTeX XMLCite \textit{S. Artidiello} et al., Int. J. Comput. Math. 92, No. 9, 1790--1805 (2015; Zbl 1329.65097) Full Text: DOI Link
Hsu, Cheng-Hsiung; Lin, Jian-Jhong; Yang, Tzi-Sheng Existence and stability of traveling wave solutions for multilayer cellular neural networks. (English) Zbl 1410.34043 Z. Angew. Math. Phys. 66, No. 4, 1355-1373 (2015). MSC: 34A33 34K10 PDFBibTeX XMLCite \textit{C.-H. Hsu} et al., Z. Angew. Math. Phys. 66, No. 4, 1355--1373 (2015; Zbl 1410.34043) Full Text: DOI
Ayanlar, Bülent Oscillation criteria for a class of second-order nonlinear differential equations. (English) Zbl 1325.34044 Int. J. Appl. Math. 28, No. 2, 165-176 (2015). MSC: 34C10 34C29 PDFBibTeX XMLCite \textit{B. Ayanlar}, Int. J. Appl. Math. 28, No. 2, 165--176 (2015; Zbl 1325.34044) Full Text: DOI Link
Tunç, Ercan; Çoraklik, Lütfi; Özdemir, Orhan Oscillation results for second order functional differential equations. (English) Zbl 1320.34054 J. Comput. Anal. Appl. 18, No. 1, 61-70 (2015). MSC: 34C10 34C20 34C29 PDFBibTeX XMLCite \textit{E. Tunç} et al., J. Comput. Anal. Appl. 18, No. 1, 61--70 (2015; Zbl 1320.34054)
Li, Na; Navasca, Carmeliza; Glenn, Christina Iterative methods for symmetric outer product tensor decomposition. (English) Zbl 1312.65045 ETNA, Electron. Trans. Numer. Anal. 44, 124-139 (2015). MSC: 65F10 15A69 65F30 PDFBibTeX XMLCite \textit{N. Li} et al., ETNA, Electron. Trans. Numer. Anal. 44, 124--139 (2015; Zbl 1312.65045) Full Text: arXiv EMIS
Agwa, H. A.; Khodier, A. M. M.; Atteya, H. M. Oscillation of second-order nonlinear forced dynamic equations with damping on time scales. (English) Zbl 1340.34350 Acta Math. Univ. Comen., New Ser. 84, No. 1, 133-148 (2015). Reviewer: Igor Bock (Bratislava) MSC: 34N05 34K11 34C10 PDFBibTeX XMLCite \textit{H. A. Agwa} et al., Acta Math. Univ. Comen., New Ser. 84, No. 1, 133--148 (2015; Zbl 1340.34350)
Došlý, Ondřej; Yamaoka, Naoto Oscillation constants for second-order ordinary differential equations related to elliptic equations with \(p\)-Laplacian. (English) Zbl 1375.34051 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 113, 115-136 (2015). MSC: 34C10 PDFBibTeX XMLCite \textit{O. Došlý} and \textit{N. Yamaoka}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 113, 115--136 (2015; Zbl 1375.34051) Full Text: DOI
Zhao, Xueyan; Deng, Feiqi Moment stability of nonlinear discrete stochastic systems with time-delays based on \(\mathcal{H}\)-representation technique. (English) Zbl 1364.93855 Automatica 50, No. 2, 530-536 (2014). MSC: 93E15 93E03 93C10 PDFBibTeX XMLCite \textit{X. Zhao} and \textit{F. Deng}, Automatica 50, No. 2, 530--536 (2014; Zbl 1364.93855) Full Text: DOI
Das, Rabindra Nath; Park, Jeong-Soo A reinforced randomized block design with correlated errors. (English) Zbl 1462.62494 Commun. Stat., Theory Methods 43, No. 1, 191-209 (2014). MSC: 62K20 05B30 PDFBibTeX XMLCite \textit{R. N. Das} and \textit{J.-S. Park}, Commun. Stat., Theory Methods 43, No. 1, 191--209 (2014; Zbl 1462.62494) Full Text: DOI
Salhin, Ambarka Abdalla; Din, Ummul Khair Salma; Ahmad, Rokiah Rozita; Md Noorani, Mohd Salmi Some oscillation criteria for a class of second order nonlinear damped differential equations. (English) Zbl 1338.34073 Appl. Math. Comput. 247, 962-968 (2014). MSC: 34C10 34C15 34C29 PDFBibTeX XMLCite \textit{A. A. Salhin} et al., Appl. Math. Comput. 247, 962--968 (2014; Zbl 1338.34073) Full Text: DOI
Elabbasy, E. M.; Hassan, T. S.; Elmatary, B. M. Oscillation criteria for third-order nonlinear neutral dynamic equations with several terms. (English) Zbl 1343.34207 Commun. Appl. Anal. 18, No. 1-2, 79-108 (2014). MSC: 34N05 34K11 PDFBibTeX XMLCite \textit{E. M. Elabbasy} et al., Commun. Appl. Anal. 18, No. 1--2, 79--108 (2014; Zbl 1343.34207)
Zhang, Lihong; Ahmad, Bashir; Wang, Guotao The existence of an extremal solution to a nonlinear system with the right-handed Riemann-Liouville fractional derivative. (English) Zbl 1315.34016 Appl. Math. Lett. 31, 1-6 (2014). MSC: 34A08 34B10 34A45 34C10 PDFBibTeX XMLCite \textit{L. Zhang} et al., Appl. Math. Lett. 31, 1--6 (2014; Zbl 1315.34016) Full Text: DOI
Tunç, Ercan; Özdemir, Orhan Oscillatory and asymptotic behavior of second order nonlinear differential equations with damping. (English) Zbl 1308.34044 Proc. Jangjeon Math. Soc. 17, No. 4, 539-555 (2014). MSC: 34C10 34C20 34C29 34D05 PDFBibTeX XMLCite \textit{E. Tunç} and \textit{O. Özdemir}, Proc. Jangjeon Math. Soc. 17, No. 4, 539--555 (2014; Zbl 1308.34044)
Muthulakshmi, V.; Vinodhini, D. Oscillation criteria for forced second order differential equations with damping term and mixed nonlinearities. (English) Zbl 1303.34025 Far East J. Math. Sci. (FJMS) 86, No. 1, 101-109 (2014). MSC: 34C10 PDFBibTeX XMLCite \textit{V. Muthulakshmi} and \textit{D. Vinodhini}, Far East J. Math. Sci. (FJMS) 86, No. 1, 101--109 (2014; Zbl 1303.34025) Full Text: Link
Qiu, Yangcong; Wang, Qiru New Kamenev-type oscillation criteria for second-order nonlinear dynamic equations on time scales. (Chinese. English summary) Zbl 1299.34296 Acta Sci. Nat. Univ. Sunyatseni 52, No. 6, 26-29, 33 (2013). MSC: 34N05 34C10 PDFBibTeX XMLCite \textit{Y. Qiu} and \textit{Q. Wang}, Acta Sci. Nat. Univ. Sunyatseni 52, No. 6, 26--29, 33 (2013; Zbl 1299.34296)
Zhao, Hai-Qin Asymptotic stability of traveling fronts in delayed reaction-diffusion monostable equations on higher-dimensional lattices. (English) Zbl 1288.35095 Electron. J. Differ. Equ. 2013, Paper No. 119, 15 p. (2013). MSC: 35B40 35K57 92D25 35C07 35B51 PDFBibTeX XMLCite \textit{H.-Q. Zhao}, Electron. J. Differ. Equ. 2013, Paper No. 119, 15 p. (2013; Zbl 1288.35095) Full Text: EMIS
Zhang, Kexue; Liu, Xinzhi Nonlinear boundary value problems of first order impulsive integro-differential equation of Volterra type on time scales. (English) Zbl 1291.34166 Dyn. Syst. Appl. 22, No. 4, 517-534 (2013). MSC: 34N05 34K45 34K10 34K07 PDFBibTeX XMLCite \textit{K. Zhang} and \textit{X. Liu}, Dyn. Syst. Appl. 22, No. 4, 517--534 (2013; Zbl 1291.34166)
Sun, Yibing; Han, Zhenlai; Sun, Shurong; Zhang, Chao Interval oscillation criteria for second-order nonlinear forced dynamic equations with damping on time scales. (English) Zbl 1279.34108 Abstr. Appl. Anal. 2013, Article ID 359240, 11 p. (2013). MSC: 34N05 34C10 PDFBibTeX XMLCite \textit{Y. Sun} et al., Abstr. Appl. Anal. 2013, Article ID 359240, 11 p. (2013; Zbl 1279.34108) Full Text: DOI
Došlý, Ondřej; Fišnarová, Simona; Mařík, Robert Power comparison theorems in half-linear oscillation theory. (English) Zbl 1270.34061 J. Math. Anal. Appl. 401, No. 2, 611-619 (2013). Reviewer: Jozef Dzurina (Košice) MSC: 34C10 PDFBibTeX XMLCite \textit{O. Došlý} et al., J. Math. Anal. Appl. 401, No. 2, 611--619 (2013; Zbl 1270.34061) Full Text: DOI
Jonasson, Johan Mixing times for the interchange process. (English) Zbl 1290.60071 ALEA, Lat. Am. J. Probab. Math. Stat. 9, No. 2, 667-683 (2012). MSC: 60J10 PDFBibTeX XMLCite \textit{J. Jonasson}, ALEA, Lat. Am. J. Probab. Math. Stat. 9, No. 2, 667--683 (2012; Zbl 1290.60071) Full Text: arXiv Link
Guo, Haijun; Hu, Junhao Boundedness of stochastic retarded differential equations. (Chinese. English summary) Zbl 1289.34210 J. Nanjing Univ. Inf. Sci. Technol., Nat. Sci. 4, No. 2, 180-185 (2012). MSC: 34K50 34K12 60H10 PDFBibTeX XMLCite \textit{H. Guo} and \textit{J. Hu}, J. Nanjing Univ. Inf. Sci. Technol., Nat. Sci. 4, No. 2, 180--185 (2012; Zbl 1289.34210)
Wang, Guotao; Baleanu, Dumitru; Zhang, Lihong Monotone iterative method for a class of nonlinear fractional differential equations. (English) Zbl 1273.34021 Fract. Calc. Appl. Anal. 15, No. 2, 244-252 (2012). MSC: 34A45 34A08 34A12 PDFBibTeX XMLCite \textit{G. Wang} et al., Fract. Calc. Appl. Anal. 15, No. 2, 244--252 (2012; Zbl 1273.34021) Full Text: DOI
Zhang, Shaoyan; Wang, Qiru Oscillation for third-order nonlinear dynamic equations on time scales. (Chinese. English summary) Zbl 1274.34269 Acta Sci. Nat. Univ. Sunyatseni 51, No. 4, 50-55, 60 (2012). MSC: 34N05 34C10 34K11 PDFBibTeX XMLCite \textit{S. Zhang} and \textit{Q. Wang}, Acta Sci. Nat. Univ. Sunyatseni 51, No. 4, 50--55, 60 (2012; Zbl 1274.34269)
Zheng, Zhaowen New forced oscillation criteria for second order half-linear differential equations. (English) Zbl 1269.34041 Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 19, No. 4, 413-419 (2012). MSC: 34C10 PDFBibTeX XMLCite \textit{Z. Zheng}, Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 19, No. 4, 413--419 (2012; Zbl 1269.34041) Full Text: Link
Rhouma, Nedra Belhaj; Hsini, Mounir Liouville type results for a class of quasilinear elliptic equations. (English) Zbl 1399.35079 Int. Electron. J. Pure Appl. Math. 3, No. 1, 11-28 (2011). MSC: 35B40 35B05 35J60 PDFBibTeX XMLCite \textit{N. B. Rhouma} and \textit{M. Hsini}, Int. Electron. J. Pure Appl. Math. 3, No. 1, 11--28 (2011; Zbl 1399.35079) Full Text: Link
Zhang, Meng; Song, Guohua Oscillation theorems for second-order nonlinear perturbed differential equations with damping. (English) Zbl 1265.34133 J. Shanghai Univ. 15, No. 6, 510-516 (2011). MSC: 34C10 PDFBibTeX XMLCite \textit{M. Zhang} and \textit{G. Song}, J. Shanghai Univ. 15, No. 6, 510--516 (2011; Zbl 1265.34133) Full Text: DOI
Liu, Zhenhai; Han, Jiangfeng Boundary value problems for second order impulsive functional differential equations. (English) Zbl 1252.34072 Dyn. Syst. Appl. 20, No. 2-3, 369-382 (2011). Reviewer: Mouffak Benchohra (Sidi Bel Abbes) MSC: 34K10 34K45 34K07 34K12 PDFBibTeX XMLCite \textit{Z. Liu} and \textit{J. Han}, Dyn. Syst. Appl. 20, No. 2--3, 369--382 (2011; Zbl 1252.34072)
Iannizzotto, Antonio; Papageorgiou, Nikolaos S. Positive solutions for generalized nonlinear logistic equations of superdiffusive type. (English) Zbl 1246.35076 Topol. Methods Nonlinear Anal. 38, No. 1, 95-113 (2011). Reviewer: Chun-Lei Tang (Chongqing) MSC: 35J20 35B09 35B51 PDFBibTeX XMLCite \textit{A. Iannizzotto} and \textit{N. S. Papageorgiou}, Topol. Methods Nonlinear Anal. 38, No. 1, 95--113 (2011; Zbl 1246.35076)
Jonasson, Johan Mixing time bounds for overlapping cycles shuffles. (English) Zbl 1231.60066 Electron. J. Probab. 16, Paper No. 46, 1281-1295 (2011). MSC: 60J10 60C05 PDFBibTeX XMLCite \textit{J. Jonasson}, Electron. J. Probab. 16, Paper No. 46, 1281--1295 (2011; Zbl 1231.60066) Full Text: DOI EMIS
Dhaigude, D. B.; Sontakke, B. R.; Dhaigude, Chandradeepa D. Monotone technique for nonlinear degenerate weakly coupled system of parabolic problems. (English) Zbl 1235.35152 Commun. Appl. Anal. 15, No. 1, 13-24 (2011). Reviewer: Pablo Amster (Buenos Aires) MSC: 35K51 35K65 35B51 PDFBibTeX XMLCite \textit{D. B. Dhaigude} et al., Commun. Appl. Anal. 15, No. 1, 13--24 (2011; Zbl 1235.35152)
Shao, Jing; Meng, Fanwei Generalized variational principles on oscillation for nonlinear nonhomogeneous differential equations. (English) Zbl 1222.34036 Abstr. Appl. Anal. 2011, Article ID 972656, 10 p. (2011). MSC: 34C10 58E30 PDFBibTeX XMLCite \textit{J. Shao} and \textit{F. Meng}, Abstr. Appl. Anal. 2011, Article ID 972656, 10 p. (2011; Zbl 1222.34036) Full Text: DOI
Yang, Xiaoli; Sun, Zhongkui Recovering unknown model parameters contained in a class of time-variant chaotic dynamical systems. (English) Zbl 1213.65105 Appl. Math. Comput. 217, No. 17, 7311-7317 (2011). MSC: 65L09 34A55 65P20 37D45 93B30 93B52 34C10 PDFBibTeX XMLCite \textit{X. Yang} and \textit{Z. Sun}, Appl. Math. Comput. 217, No. 17, 7311--7317 (2011; Zbl 1213.65105) Full Text: DOI
Došlý, Ondřej; Fišnarová, Simona Variational technique and principal solution in half-linear oscillation criteria. (English) Zbl 1217.34053 Appl. Math. Comput. 217, No. 12, 5385-5391 (2011). Reviewer: Jozef Dzurina (Košice) MSC: 34C10 PDFBibTeX XMLCite \textit{O. Došlý} and \textit{S. Fišnarová}, Appl. Math. Comput. 217, No. 12, 5385--5391 (2011; Zbl 1217.34053) Full Text: DOI
Zhang, Weipeng; Zhu, Deming Interval criteria for oscillation of certain second-order nonlinear differential equations. (English) Zbl 1240.34185 Chin. Q. J. Math. 25, No. 4, 500-509 (2010). MSC: 34C10 PDFBibTeX XMLCite \textit{W. Zhang} and \textit{D. Zhu}, Chin. Q. J. Math. 25, No. 4, 500--509 (2010; Zbl 1240.34185)
Wang, Yanqun; Luo, Liping Oscillation criteria for certain nonlinear matrix differential systems with damping. (Chinese. English summary) Zbl 1224.34103 J. Syst. Sci. Math. Sci. 30, No. 2, 173-180 (2010). MSC: 34C10 PDFBibTeX XMLCite \textit{Y. Wang} and \textit{L. Luo}, J. Syst. Sci. Math. Sci. 30, No. 2, 173--180 (2010; Zbl 1224.34103)
Došlý, Ondřej; Fišnarová, Simona Half-linear oscillation criteria: perturbation in term involving derivative. (English) Zbl 1207.34041 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 12, 3756-3766 (2010). MSC: 34C10 PDFBibTeX XMLCite \textit{O. Došlý} and \textit{S. Fišnarová}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 12, 3756--3766 (2010; Zbl 1207.34041) Full Text: DOI
Agarwal, Ravi P.; Avramescu, Cezar; Mustafa, Octavian G. On the oscillation of a second order strictly sublinear differential equation. (English) Zbl 1207.34040 Can. Math. Bull. 53, No. 2, 193-203 (2010). Reviewer: Svitlana P. Rogovchenko (Umeå) MSC: 34C10 PDFBibTeX XMLCite \textit{R. P. Agarwal} et al., Can. Math. Bull. 53, No. 2, 193--203 (2010; Zbl 1207.34040) Full Text: DOI
Zhang, Quanxin; Wang, Lei Oscillatory behavior of solutions for a class of second order nonlinear differential equations with perturbation. (English) Zbl 1197.34050 Acta Appl. Math. 110, No. 2, 885-893 (2010). Reviewer: Yuri V. Rogovchenko (Umeå) MSC: 34C10 PDFBibTeX XMLCite \textit{Q. Zhang} and \textit{L. Wang}, Acta Appl. Math. 110, No. 2, 885--893 (2010; Zbl 1197.34050) Full Text: DOI
Cuevas, Claudio; del Campo, Luis; Vidal, Claudio Weighted exponential trichotomy of difference equations. (English) Zbl 1192.39009 Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 17, No. 3, 377-400 (2010). Reviewer: Peter Zabreiko (Minsk) MSC: 39A22 39A10 PDFBibTeX XMLCite \textit{C. Cuevas} et al., Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 17, No. 3, 377--400 (2010; Zbl 1192.39009)
Pan, Shuxia; Li, Wan-Tong; Lin, Guo Existence and stability of traveling wavefronts in a nonlocal diffusion equation with delay. (English) Zbl 1184.35105 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 6, 3150-3158 (2010). MSC: 35C07 35K57 35R10 92D25 35B05 35B35 PDFBibTeX XMLCite \textit{S. Pan} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 6, 3150--3158 (2010; Zbl 1184.35105) Full Text: DOI
Guo, Zhongjin; Leung, A. Y. T. The iterative homotopy harmonic balance method for conservative Helmholtz-Duffing oscillators. (English) Zbl 1183.65083 Appl. Math. Comput. 215, No. 9, 3163-3169 (2010). MSC: 65L05 34A34 34C10 PDFBibTeX XMLCite \textit{Z. Guo} and \textit{A. Y. T. Leung}, Appl. Math. Comput. 215, No. 9, 3163--3169 (2010; Zbl 1183.65083) Full Text: DOI
Lin, Guo; Li, Wan-Tong Spreading speeds and traveling wavefronts for second order integrodifference equations. (English) Zbl 1204.39005 J. Math. Anal. Appl. 361, No. 2, 520-532 (2010). MSC: 39A12 45J05 92D40 PDFBibTeX XMLCite \textit{G. Lin} and \textit{W.-T. Li}, J. Math. Anal. Appl. 361, No. 2, 520--532 (2010; Zbl 1204.39005) Full Text: DOI
Došlý, Ondřej; Řezníčková, Jana Principal and nonprincipal solutions in the oscillation theory of half-linear differential equations. (English) Zbl 1214.34029 Stud. Univ. Žilina, Math. Ser. 23, No. 1, 29-36 (2009). MSC: 34C10 PDFBibTeX XMLCite \textit{O. Došlý} and \textit{J. Řezníčková}, Stud. Univ. Žilina, Math. Ser. 23, No. 1, 29--36 (2009; Zbl 1214.34029)
Zhang, Guoqing; Liu, Sanyang Existence result for discrete problems with dependence on the first order difference. (English) Zbl 1212.39019 J. Math. Res. Expo. 29, No. 5, 839-847 (2009). MSC: 39A22 39A10 PDFBibTeX XMLCite \textit{G. Zhang} and \textit{S. Liu}, J. Math. Res. Expo. 29, No. 5, 839--847 (2009; Zbl 1212.39019) Full Text: DOI
Wang, Qi-Ru; Xu, Yuan-Tong; Mathsen, Ronald M. Riccati techniques and oscillation for self-adjoint matrix Hamiltonian systems. (English) Zbl 1189.34069 Comput. Math. Appl. 58, No. 6, 1211-1222 (2009). MSC: 34C10 PDFBibTeX XMLCite \textit{Q.-R. Wang} et al., Comput. Math. Appl. 58, No. 6, 1211--1222 (2009; Zbl 1189.34069) Full Text: DOI
Bognár, Gabriella; Došlý, Ondřej Bargmann-type inequality for half-linear differential operators. (English) Zbl 1200.34037 J. Inequal. Appl. 2009, Article ID 104043, 7 p. (2009). Reviewer: Qiru Wang (Guangzhou) MSC: 34C10 47E05 PDFBibTeX XMLCite \textit{G. Bognár} and \textit{O. Došlý}, J. Inequal. Appl. 2009, Article ID 104043, 7 p. (2009; Zbl 1200.34037) Full Text: DOI
Wang, Xiping; Chen, Qiong; Xu, Jijun New interval oscillation criteria for forced second-order half-linear differential equations. (English) Zbl 1199.34174 Chin. Q. J. Math. 24, No. 2, 223-226 (2009). MSC: 34C10 34C29 PDFBibTeX XMLCite \textit{X. Wang} et al., Chin. Q. J. Math. 24, No. 2, 223--226 (2009; Zbl 1199.34174)