Shahriyari, Sh.; Zahmatkesh, H.; Shakeri, S.; Hadjian, A. On some nonlocal elliptic systems with multiple parameters. (English) Zbl 07732283 Adv. Pure Appl. Math. 11, No. 2, 34-46 (2020). MSC: 35J60 35D30 PDFBibTeX XMLCite \textit{Sh. Shahriyari} et al., Adv. Pure Appl. Math. 11, No. 2, 34--46 (2020; Zbl 07732283) Full Text: DOI
Zenkoufi, Lilia Existence of a positive solution for a boundary value problem of some nonlinear fractional differential equation. (English) Zbl 1513.34117 Int. J. Nonlinear Anal. Appl. 11, No. 2, 499-514 (2020). MSC: 34B18 26A33 47N20 34A08 PDFBibTeX XMLCite \textit{L. Zenkoufi}, Int. J. Nonlinear Anal. Appl. 11, No. 2, 499--514 (2020; Zbl 1513.34117) Full Text: DOI
Bagirov, Shirmail G.; Guliyev, K. A. Non-existence of global solution of a semi-linear parabolic equation with a singular potential. (English) Zbl 1513.35327 Trans. Natl. Acad. Sci. Azerb., Ser. Phys.-Tech. Math. Sci. 40, No. 1, Math., 79-87 (2020). MSC: 35K58 35B09 35B08 35B33 PDFBibTeX XMLCite \textit{S. G. Bagirov} and \textit{K. A. Guliyev}, Trans. Natl. Acad. Sci. Azerb., Ser. Phys.-Tech. Math. Sci. 40, No. 1, Math., 79--87 (2020; Zbl 1513.35327) Full Text: Link
Wang, Jinxiang; Wang, Dabin Existence results of positive solutions for Kirchhoff type biharmonic equation via bifurcation methods. (English) Zbl 1493.34063 Turk. J. Math. 44, No. 5, 1824-1834 (2020). MSC: 34B10 34B18 PDFBibTeX XMLCite \textit{J. Wang} and \textit{D. Wang}, Turk. J. Math. 44, No. 5, 1824--1834 (2020; Zbl 1493.34063) Full Text: DOI
Bouteraa, Noureddine; Benaicha, Slimane Existence and multiplicity of positive radial solutions to the Dirichlet problem for nonlinear elliptic equations on annular domains. (English) Zbl 1513.35197 Stud. Univ. Babeș-Bolyai, Math. 65, No. 1, 109-125 (2020). MSC: 35J25 34B18 PDFBibTeX XMLCite \textit{N. Bouteraa} and \textit{S. Benaicha}, Stud. Univ. Babeș-Bolyai, Math. 65, No. 1, 109--125 (2020; Zbl 1513.35197) Full Text: DOI
Duan, Xueliang; Wei, Gongming; Yang, Haitao Positive solutions and infinitely many solutions for a weakly coupled system. (English) Zbl 1513.35217 Acta Math. Sci., Ser. B, Engl. Ed. 40, No. 5, 1585-1601 (2020). MSC: 35J47 35J50 35J91 35B09 PDFBibTeX XMLCite \textit{X. Duan} et al., Acta Math. Sci., Ser. B, Engl. Ed. 40, No. 5, 1585--1601 (2020; Zbl 1513.35217) Full Text: DOI
Batik, Songul; Deren, Fulya Yoruk Analysis of fractional differential systems involving Riemann Liouville fractional derivative. (English) Zbl 1489.34009 Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 69, No. 2, 1345-1355 (2020). MSC: 34A08 34B10 34B18 PDFBibTeX XMLCite \textit{S. Batik} and \textit{F. Y. Deren}, Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 69, No. 2, 1345--1355 (2020; Zbl 1489.34009) Full Text: DOI
Bourguiba, Rim; Toumi, Faten; Wanassi, Om Kalthoum Existence and nonexistence results for a system of integral boundary value problems with parametric dependence. (English) Zbl 1499.34138 Filomat 34, No. 13, 4453-4472 (2020). MSC: 34B10 34B08 34A08 34B27 34B18 PDFBibTeX XMLCite \textit{R. Bourguiba} et al., Filomat 34, No. 13, 4453--4472 (2020; Zbl 1499.34138) Full Text: DOI
Liu, Lijuan Existence of positive solutions to the fractional Laplacian with positive Dirichlet data. (English) Zbl 1499.35665 Filomat 34, No. 6, 1795-1807 (2020). MSC: 35R11 26A33 PDFBibTeX XMLCite \textit{L. Liu}, Filomat 34, No. 6, 1795--1807 (2020; Zbl 1499.35665) Full Text: DOI
Han, Caihong; Su, Guangwang; Li, Lue; Xia, Guoen; Sun, Taixiang Eventual periodicity of the fuzzy max-difference equation \(x_n = \max \{C, \frac{x_{n-m-k}}{x_{n-m}}\}\). (English) Zbl 1487.39020 Adv. Difference Equ. 2020, Paper No. 673, 10 p. (2020). MSC: 39A26 39A23 PDFBibTeX XMLCite \textit{C. Han} et al., Adv. Difference Equ. 2020, Paper No. 673, 10 p. (2020; Zbl 1487.39020) Full Text: DOI
Jia, Yanping; Gao, Ying; Feng, Wenying; Zhang, Guang Positive solutions of a nonlinear algebraic system with sign-changing coefficient matrix. (English) Zbl 1487.65056 Adv. Difference Equ. 2020, Paper No. 630, 5 p. (2020). MSC: 65H10 39A10 PDFBibTeX XMLCite \textit{Y. Jia} et al., Adv. Difference Equ. 2020, Paper No. 630, 5 p. (2020; Zbl 1487.65056) Full Text: DOI
Sang, Yanbin; He, Luxuan Existence and uniqueness of nontrivial solution for nonlinear fractional multi-point boundary value problem with a parameter. (English) Zbl 1487.34039 Adv. Difference Equ. 2020, Paper No. 51, 17 p. (2020). MSC: 34A08 34B18 26A33 34B10 34B15 PDFBibTeX XMLCite \textit{Y. Sang} and \textit{L. He}, Adv. Difference Equ. 2020, Paper No. 51, 17 p. (2020; Zbl 1487.34039) Full Text: DOI
Cao, Qian; Wang, Guoqiu; Qian, Chaofan New results on global exponential stability for a periodic Nicholson’s blowflies model involving time-varying delays. (English) Zbl 1487.34137 Adv. Difference Equ. 2020, Paper No. 43, 12 p. (2020). MSC: 34K20 34K60 34K13 37N25 92D25 PDFBibTeX XMLCite \textit{Q. Cao} et al., Adv. Difference Equ. 2020, Paper No. 43, 12 p. (2020; Zbl 1487.34137) Full Text: DOI
Yang, Yitao; Ji, Dehong Properties of positive solutions for a fractional boundary value problem involving fractional derivative with respect to another function. (English) Zbl 1484.34048 AIMS Math. 5, No. 6, 7359-7371 (2020). MSC: 34A08 34A12 34B18 PDFBibTeX XMLCite \textit{Y. Yang} and \textit{D. Ji}, AIMS Math. 5, No. 6, 7359--7371 (2020; Zbl 1484.34048) Full Text: DOI
Xin, Yun; Wang, Hao Positive periodic solution for third-order singular neutral differential equation with time-dependent delay. (English) Zbl 1484.34079 AIMS Math. 5, No. 6, 7234-7251 (2020). MSC: 34B16 34B18 34C25 PDFBibTeX XMLCite \textit{Y. Xin} and \textit{H. Wang}, AIMS Math. 5, No. 6, 7234--7251 (2020; Zbl 1484.34079) Full Text: DOI
Miao, Liangying; He, Zhiqian Reversed S-shaped connected component for second-order periodic boundary value problem with sign-changing weight. (English) Zbl 1484.34087 AIMS Math. 5, No. 6, 5884-5892 (2020). MSC: 34B18 34B08 34C23 PDFBibTeX XMLCite \textit{L. Miao} and \textit{Z. He}, AIMS Math. 5, No. 6, 5884--5892 (2020; Zbl 1484.34087) Full Text: DOI
Papageorgiou, Nikolaos S.; Zhang, Youpei Nonlinear nonhomogeneous Dirichlet problems with singular and convection terms. (English) Zbl 1496.35031 Bound. Value Probl. 2020, Paper No. 153, 20 p. (2020). Reviewer: Patrick Winkert (Berlin) MSC: 35B09 35B50 35J75 35J92 35J25 PDFBibTeX XMLCite \textit{N. S. Papageorgiou} and \textit{Y. Zhang}, Bound. Value Probl. 2020, Paper No. 153, 20 p. (2020; Zbl 1496.35031) Full Text: DOI
Xin, Yun; Hu, Guixin Weak and strong singularities problems to Liénard equation. (English) Zbl 1496.34047 Bound. Value Probl. 2020, Paper No. 143, 12 p. (2020). MSC: 34B16 34B30 34C25 37C60 47N20 PDFBibTeX XMLCite \textit{Y. Xin} and \textit{G. Hu}, Bound. Value Probl. 2020, Paper No. 143, 12 p. (2020; Zbl 1496.34047) Full Text: DOI
Xin, Yun; Cheng, Zhibo Positive periodic solution for prescribed mean curvature generalized Liénard equation with a singularity. (English) Zbl 1495.34064 Bound. Value Probl. 2020, Paper No. 89, 14 p. (2020). MSC: 34C25 34B16 37C60 34A09 34B30 47N20 34B18 PDFBibTeX XMLCite \textit{Y. Xin} and \textit{Z. Cheng}, Bound. Value Probl. 2020, Paper No. 89, 14 p. (2020; Zbl 1495.34064) Full Text: DOI
Chen, Hang; Guo, Qianqiao; Wang, Qian Existence of positive solutions to negative power nonlinear integral equations with weights. (English) Zbl 1487.45004 Bound. Value Probl. 2020, Paper No. 82, 12 p. (2020). MSC: 45G05 45M20 35A15 26D10 26D15 PDFBibTeX XMLCite \textit{H. Chen} et al., Bound. Value Probl. 2020, Paper No. 82, 12 p. (2020; Zbl 1487.45004) Full Text: DOI
Li, Jing; Wang, Ying Nonexistence and existence of positive radial solutions to a class of quasilinear Schrödinger equations in \(\mathbb{R}^N\). (English) Zbl 1495.34052 Bound. Value Probl. 2020, Paper No. 81, 14 p. (2020). MSC: 34B40 34B18 35J62 47N20 PDFBibTeX XMLCite \textit{J. Li} and \textit{Y. Wang}, Bound. Value Probl. 2020, Paper No. 81, 14 p. (2020; Zbl 1495.34052) Full Text: DOI
Rao, Sabbavarapu Nageswara; Singh, Manoj; Meetei, M. Zico Multiplicity of positive solutions for Hadamard fractional differential equations with \(p\)-Laplacian operator. (English) Zbl 1495.34046 Bound. Value Probl. 2020, Paper No. 43, 25 p. (2020). MSC: 34B18 34A08 34B27 47N20 34B08 PDFBibTeX XMLCite \textit{S. N. Rao} et al., Bound. Value Probl. 2020, Paper No. 43, 25 p. (2020; Zbl 1495.34046) Full Text: DOI
Qian, Xiaotao; Chao, Wen Existence of positive solutions for nonlocal problems with indefinite nonlinearity. (English) Zbl 1489.35116 Bound. Value Probl. 2020, Paper No. 40, 13 p. (2020). MSC: 35J62 35J25 35J20 PDFBibTeX XMLCite \textit{X. Qian} and \textit{W. Chao}, Bound. Value Probl. 2020, Paper No. 40, 13 p. (2020; Zbl 1489.35116) Full Text: DOI
Wang, Hui; Zhang, Lingling Local existence and uniqueness of increasing positive solutions for non-singular and singular beam equation with a parameter. (English) Zbl 1495.34047 Bound. Value Probl. 2020, Paper No. 10, 16 p. (2020). MSC: 34B18 34A45 47N20 74K10 34B16 PDFBibTeX XMLCite \textit{H. Wang} and \textit{L. Zhang}, Bound. Value Probl. 2020, Paper No. 10, 16 p. (2020; Zbl 1495.34047) Full Text: DOI
Yang, Dandan; Bai, Chuanzhi Existence of ground state solutions for an asymptotically 2-linear fractional Schrödinger-Poisson system. (English) Zbl 1486.35450 Bound. Value Probl. 2020, Paper No. 5, 9 p. (2020). MSC: 35R11 35A15 35B09 35J47 35J61 PDFBibTeX XMLCite \textit{D. Yang} and \textit{C. Bai}, Bound. Value Probl. 2020, Paper No. 5, 9 p. (2020; Zbl 1486.35450) Full Text: DOI
Chen, Ruipeng; Li, Xiaoya New existence results for coupled delayed differential systems with multi-parameters. (English) Zbl 1495.34091 Bound. Value Probl. 2020, Paper No. 2, 9 p. (2020). MSC: 34K10 47N20 PDFBibTeX XMLCite \textit{R. Chen} and \textit{X. Li}, Bound. Value Probl. 2020, Paper No. 2, 9 p. (2020; Zbl 1495.34091) Full Text: DOI
Altalhi, Sara; Dhifli, Abdelwaheb; Ghanmi, Abdeljabbar Existence of solutions for singular fractional Navier boundary value problems. (English) Zbl 1484.34012 Bull. Math. Anal. Appl. 12, No. 5, 1-7 (2020). MSC: 34A08 34B15 34B18 34B27 PDFBibTeX XMLCite \textit{S. Altalhi} et al., Bull. Math. Anal. Appl. 12, No. 5, 1--7 (2020; Zbl 1484.34012) Full Text: Link
Afshari, Hojjat; Karapınar, Erdal A discussion on the existence of positive solutions of the boundary value problems via \(\psi\)-Hilfer fractional derivative on \(b\)-metric spaces. (English) Zbl 1486.34009 Adv. Difference Equ. 2020, Paper No. 616, 10 p. (2020). MSC: 34A08 26A33 47N20 PDFBibTeX XMLCite \textit{H. Afshari} and \textit{E. Karapınar}, Adv. Difference Equ. 2020, Paper No. 616, 10 p. (2020; Zbl 1486.34009) Full Text: DOI
Bachar, Imed; Eltayeb, Hassan Existence and uniqueness results for fractional Navier boundary value problems. (English) Zbl 1486.34016 Adv. Difference Equ. 2020, Paper No. 609, 8 p. (2020). MSC: 34A08 34B15 34B18 34B27 PDFBibTeX XMLCite \textit{I. Bachar} and \textit{H. Eltayeb}, Adv. Difference Equ. 2020, Paper No. 609, 8 p. (2020; Zbl 1486.34016) Full Text: DOI
Afshari, Hojjat; Abdo, Mohammed S.; Alzabut, Jehad Further results on existence of positive solutions of generalized fractional boundary value problems. (English) Zbl 1486.34007 Adv. Difference Equ. 2020, Paper No. 600, 12 p. (2020). MSC: 34A08 26A33 47N20 PDFBibTeX XMLCite \textit{H. Afshari} et al., Adv. Difference Equ. 2020, Paper No. 600, 12 p. (2020; Zbl 1486.34007) Full Text: DOI
Xin, Yun; Cui, Xiaoxiao; Liu, Jie An exact expression of positive periodic solution for a first-order singular equation. (English) Zbl 1486.34064 Adv. Difference Equ. 2020, Paper No. 532, 8 p. (2020). MSC: 34B16 34C25 PDFBibTeX XMLCite \textit{Y. Xin} et al., Adv. Difference Equ. 2020, Paper No. 532, 8 p. (2020; Zbl 1486.34064) Full Text: DOI
Siricharuanun, Pimchana; Chasreechai, Saowaluck; Sitthiwirattham, Thanin Existence and multiplicity of positive solutions to a system of fractional difference equations with parameters. (English) Zbl 1486.39008 Adv. Difference Equ. 2020, Paper No. 445, 16 p. (2020). MSC: 39A13 26A33 39A12 PDFBibTeX XMLCite \textit{P. Siricharuanun} et al., Adv. Difference Equ. 2020, Paper No. 445, 16 p. (2020; Zbl 1486.39008) Full Text: DOI
Boujlida, Monia Existence of positive quasi-homoclinic solutions for damped \(p\)-Laplacian differential equations. (English) Zbl 1482.34116 Int. J. Dyn. Syst. Differ. Equ. 10, No. 6, 493-510 (2020). MSC: 34C37 34B18 PDFBibTeX XMLCite \textit{M. Boujlida}, Int. J. Dyn. Syst. Differ. Equ. 10, No. 6, 493--510 (2020; Zbl 1482.34116) Full Text: DOI
Xin, Yun; Hu, Guixin Periodic solution for prescribed mean curvature Rayleigh equation with a singularity. (English) Zbl 1482.34075 Adv. Difference Equ. 2020, Paper No. 269, 14 p. (2020). MSC: 34B16 34B18 34C25 PDFBibTeX XMLCite \textit{Y. Xin} and \textit{G. Hu}, Adv. Difference Equ. 2020, Paper No. 269, 14 p. (2020; Zbl 1482.34075) Full Text: DOI
Li, Hongyu; Chen, Yang; Zhang, Junting Existence of multiple solutions for nonlinear multi-point boundary value problems. (English) Zbl 1482.34071 Adv. Difference Equ. 2020, Paper No. 266, 11 p. (2020). MSC: 34B15 34B10 34B18 47N20 34B16 PDFBibTeX XMLCite \textit{H. Li} et al., Adv. Difference Equ. 2020, Paper No. 266, 11 p. (2020; Zbl 1482.34071) Full Text: DOI
Duan, Feng; Du, Bo Positive periodic solution for Nicholson’s blowfies systems with patch structure. (English) Zbl 1482.92065 Adv. Difference Equ. 2020, Paper No. 255, 13 p. (2020). MSC: 92D25 34K60 34K13 34K20 34B15 PDFBibTeX XMLCite \textit{F. Duan} and \textit{B. Du}, Adv. Difference Equ. 2020, Paper No. 255, 13 p. (2020; Zbl 1482.92065) Full Text: DOI
Huang, Baohua; Ma, Changfeng Some accelerated iterative algorithms for solving nonsymmetric algebraic Riccati equations arising in transport theory. (English) Zbl 1480.65098 Int. J. Comput. Math. 97, No. 9, 1819-1839 (2020). MSC: 65F45 15A24 PDFBibTeX XMLCite \textit{B. Huang} and \textit{C. Ma}, Int. J. Comput. Math. 97, No. 9, 1819--1839 (2020; Zbl 1480.65098) Full Text: DOI
Prasad, K. Rajendra; Khuddush, Md.; Leela, D. Existence of positive solutions for half-linear fractional order BVPs by application of mixed monotone operators. (English) Zbl 1499.34188 Creat. Math. Inform. 29, No. 1, 65-80 (2020). MSC: 34B18 34A08 34B15 47N20 PDFBibTeX XMLCite \textit{K. R. Prasad} et al., Creat. Math. Inform. 29, No. 1, 65--80 (2020; Zbl 1499.34188) Full Text: DOI
Ayoujil, Abdesslem; Berrajaa, Mohammed; Ouhamou, Brahim Positive solutions for discrete anisotropic equations. (English) Zbl 1499.35085 Mathematica 62(85), No. 2, 107-116 (2020). MSC: 35B38 47A75 35P30 34L05 34L30 PDFBibTeX XMLCite \textit{A. Ayoujil} et al., Mathematica 62(85), No. 2, 107--116 (2020; Zbl 1499.35085) Full Text: DOI
Fan, Shijie; Wen, Pengxu; Zhang, Guowei Inequalities of Green’s functions and positive solutions to nonlocal boundary value problems. (English) Zbl 1503.34071 J. Inequal. Appl. 2020, Paper No. 109, 24 p. (2020). MSC: 34B18 34B15 34B10 26D20 47N20 PDFBibTeX XMLCite \textit{S. Fan} et al., J. Inequal. Appl. 2020, Paper No. 109, 24 p. (2020; Zbl 1503.34071) Full Text: DOI
Zhang, Nan; Zhang, Lingling; Zhou, Bibo; Tian, Huimin Fixed point theorems for sum operator with parameter. (English) Zbl 1509.47082 J. Inequal. Appl. 2020, Paper No. 63, 25 p. (2020). MSC: 47H10 34A08 47H07 26A33 PDFBibTeX XMLCite \textit{N. Zhang} et al., J. Inequal. Appl. 2020, Paper No. 63, 25 p. (2020; Zbl 1509.47082) Full Text: DOI
Hao, Xinan; O’Regan, Donal; Xu, Jiafa Positive solutions for a system of \(2n\)th-order boundary value problems involving semipositone nonlinearities. (English) Zbl 1503.34072 J. Inequal. Appl. 2020, Paper No. 20, 17 p. (2020). MSC: 34B18 34B15 34B10 47N20 PDFBibTeX XMLCite \textit{X. Hao} et al., J. Inequal. Appl. 2020, Paper No. 20, 17 p. (2020; Zbl 1503.34072) Full Text: DOI
Georgiev, Svetlin; Zennir, Khaled Classical nonnegative solutions for a class IVP for nonlinear three-dimensional wave equations. (English) Zbl 1481.35265 Appl. Sci. 22, 66-82 (2020). MSC: 35L15 35L71 47H10 58J20 PDFBibTeX XMLCite \textit{S. Georgiev} and \textit{K. Zennir}, Appl. Sci. 22, 66--82 (2020; Zbl 1481.35265) Full Text: Link
Li, Min; Sun, Jian-Ping; Zhao, Ya-Hong Existence of positive solution for BVP of nonlinear fractional differential equation with integral boundary conditions. (English) Zbl 1482.34027 Adv. Difference Equ. 2020, Paper No. 177, 13 p. (2020). MSC: 34A08 34B15 47N20 34B18 34B10 PDFBibTeX XMLCite \textit{M. Li} et al., Adv. Difference Equ. 2020, Paper No. 177, 13 p. (2020; Zbl 1482.34027) Full Text: DOI
Yang, He; Zhang, Lu Three positive periodic solutions of second order nonlinear neutral functional differential equations with delayed derivative. (English) Zbl 1482.34165 Adv. Difference Equ. 2020, Paper No. 164, 12 p. (2020). MSC: 34K13 34K40 47H10 47N20 PDFBibTeX XMLCite \textit{H. Yang} and \textit{L. Zhang}, Adv. Difference Equ. 2020, Paper No. 164, 12 p. (2020; Zbl 1482.34165) Full Text: DOI
Liang, Yue; Li, Hong Positive periodic solutions for high-order differential equations with multiple delays in Banach spaces. (English) Zbl 1482.34070 Adv. Difference Equ. 2020, Paper No. 157, 17 p. (2020). MSC: 34B15 34B18 47H10 47N20 34K13 PDFBibTeX XMLCite \textit{Y. Liang} and \textit{H. Li}, Adv. Difference Equ. 2020, Paper No. 157, 17 p. (2020; Zbl 1482.34070) Full Text: DOI
Wang, Yongqing The Green’s function of a class of two-term fractional differential equation boundary value problem and its applications. (English) Zbl 1482.34037 Adv. Difference Equ. 2020, Paper No. 80, 20 p. (2020). MSC: 34A08 34B18 47N20 34B15 34B10 PDFBibTeX XMLCite \textit{Y. Wang}, Adv. Difference Equ. 2020, Paper No. 80, 20 p. (2020; Zbl 1482.34037) Full Text: DOI
Gasiński, Leszek; Krech, Ireneusz; Papageorgiou, Nikolaos S. Positive solutions for parametric \((p(z),q(z))\)-equations. (English) Zbl 1480.35134 Open Math. 18, 1076-1096 (2020). Reviewer: Calogero Vetro (Palermo) MSC: 35J20 35J70 PDFBibTeX XMLCite \textit{L. Gasiński} et al., Open Math. 18, 1076--1096 (2020; Zbl 1480.35134) Full Text: DOI
Barnwal, Amit K.; Pathak, Priti Successive iteration technique for singular nonlinear system with four-point boundary conditions. (English) Zbl 1475.34020 J. Appl. Math. Comput. 62, No. 1-2, 301-324 (2020). MSC: 34B15 34B16 34B18 PDFBibTeX XMLCite \textit{A. K. Barnwal} and \textit{P. Pathak}, J. Appl. Math. Comput. 62, No. 1--2, 301--324 (2020; Zbl 1475.34020) Full Text: DOI
Krushna, Boddu Muralee Bala On the existence of positive solutions for a ternary system of Riemann-Liouville type \(p\)-Laplacian fractional order boundary value problems. (English) Zbl 1489.34018 Nonlinear Stud. 27, No. 4, 1207-1226 (2020). MSC: 34A08 34B09 34L15 34B18 34B27 47N20 PDFBibTeX XMLCite \textit{B. M. B. Krushna}, Nonlinear Stud. 27, No. 4, 1207--1226 (2020; Zbl 1489.34018) Full Text: Link
Wang, Yongqing; Wu, Yonghong Positive solutions of fractional differential equation boundary value problems at resonance. (English) Zbl 1489.34022 J. Appl. Anal. Comput. 10, No. 6, 2459-2475 (2020). MSC: 34A08 26A33 34B18 47N20 PDFBibTeX XMLCite \textit{Y. Wang} and \textit{Y. Wu}, J. Appl. Anal. Comput. 10, No. 6, 2459--2475 (2020; Zbl 1489.34022) Full Text: DOI
Ko, Eunkyung; Lee, Eun Kyoung Existence of positive solution for a semipositone system with integral boundary values. (English) Zbl 1479.35365 East Asian Math. J. 36, No. 5, 605-612 (2020). MSC: 35J57 35B09 35A01 PDFBibTeX XMLCite \textit{E. Ko} and \textit{E. K. Lee}, East Asian Math. J. 36, No. 5, 605--612 (2020; Zbl 1479.35365) Full Text: DOI
Siahkoalaei, Tahereh Salimi; Khojasteh Salkuyeh, Davod A new double-step method for solving complex Helmholtz equation. (English) Zbl 1478.65102 Hacet. J. Math. Stat. 49, No. 4, 1245-1260 (2020). MSC: 65N06 65F10 65N12 65N22 PDFBibTeX XMLCite \textit{T. S. Siahkoalaei} and \textit{D. Khojasteh Salkuyeh}, Hacet. J. Math. Stat. 49, No. 4, 1245--1260 (2020; Zbl 1478.65102) Full Text: DOI
Peng, Linyan; Suo, Hongmin Multiple positive solutions for a Schrödinger-Poisson system with singularity. (Chinese. English summary) Zbl 1488.35036 Acta Anal. Funct. Appl. 22, No. 4, 288-295 (2020). MSC: 35B09 35J05 35J10 35R10 PDFBibTeX XMLCite \textit{L. Peng} and \textit{H. Suo}, Acta Anal. Funct. Appl. 22, No. 4, 288--295 (2020; Zbl 1488.35036) Full Text: DOI
Ji, Qian; Zhang, Guowei Positive solutions for second order problems under Stieltjes integral boundary conditions with derivative. (Chinese. English summary) Zbl 1488.34181 Acta Anal. Funct. Appl. 22, No. 4, 193-206 (2020). MSC: 34B18 34B10 34B27 47N20 PDFBibTeX XMLCite \textit{Q. Ji} and \textit{G. Zhang}, Acta Anal. Funct. Appl. 22, No. 4, 193--206 (2020; Zbl 1488.34181) Full Text: DOI
Krushna, Boddu Muralee Bala Existence results for system of iterative and conformable type fractional order boundary value problems. (English) Zbl 1488.34047 Bull. Int. Math. Virtual Inst. 10, No. 1, 115-125 (2020). MSC: 34A08 26A33 34B18 34B27 PDFBibTeX XMLCite \textit{B. M. B. Krushna}, Bull. Int. Math. Virtual Inst. 10, No. 1, 115--125 (2020; Zbl 1488.34047)
Su, Yu Positive solution to Schrödinger equation with singular potential and double critical exponents. (English) Zbl 1468.35042 Atti Accad. Naz. Lincei, Cl. Sci. Fis. Mat. Nat., IX. Ser., Rend. Lincei, Mat. Appl. 31, No. 4, 667-698 (2020). MSC: 35J10 35Q55 35B09 35A01 35J20 PDFBibTeX XMLCite \textit{Y. Su}, Atti Accad. Naz. Lincei, Cl. Sci. Fis. Mat. Nat., IX. Ser., Rend. Lincei, Mat. Appl. 31, No. 4, 667--698 (2020; Zbl 1468.35042) Full Text: DOI
Li, Guangjie; Wang, Junwei Dynamics of stochastic HTLV-I model with jumps. (Chinese. English summary) Zbl 1474.37123 Pure Appl. Math. 36, No. 4, 465-474 (2020). MSC: 37N25 60H10 92D30 PDFBibTeX XMLCite \textit{G. Li} and \textit{J. Wang}, Pure Appl. Math. 36, No. 4, 465--474 (2020; Zbl 1474.37123) Full Text: DOI
Chen, Yang; Zhao, Wencai The ergodicity of a stochastic tuberculosis model. (Chinese. English summary) Zbl 1474.37117 Math. Pract. Theory 50, No. 23, 244-252 (2020). MSC: 37N25 37M05 60H10 92D30 PDFBibTeX XMLCite \textit{Y. Chen} and \textit{W. Zhao}, Math. Pract. Theory 50, No. 23, 244--252 (2020; Zbl 1474.37117)
Wang, Hongwei; Dong, Lingzhen Analysis of a periodic stochastic logistic model with distributed delay and dispersal. (Chinese. English summary) Zbl 1474.34584 Math. Pract. Theory 50, No. 22, 284-296 (2020). MSC: 34K60 34K13 34K50 92D25 PDFBibTeX XMLCite \textit{H. Wang} and \textit{L. Dong}, Math. Pract. Theory 50, No. 22, 284--296 (2020; Zbl 1474.34584)
Deng, Ruijuan; Cui, Hongrui Existence of positive solutions for a class of complete fourth-order two-point boundary value problems. (Chinese. English summary) Zbl 1474.34163 J. Inn. Mong. Norm. Univ., Nat. Sci. 49, No. 6, 497-501, 508 (2020). MSC: 34B18 47N20 PDFBibTeX XMLCite \textit{R. Deng} and \textit{H. Cui}, J. Inn. Mong. Norm. Univ., Nat. Sci. 49, No. 6, 497--501, 508 (2020; Zbl 1474.34163) Full Text: DOI
Yue, Junrui; Bai, Qingyue Existence of monotone positive solution for BVP of nonlinear fractional differential equation. (English) Zbl 1474.34187 Chin. Q. J. Math. 35, No. 4, 410-417 (2020). MSC: 34B18 34A08 34A45 PDFBibTeX XMLCite \textit{J. Yue} and \textit{Q. Bai}, Chin. Q. J. Math. 35, No. 4, 410--417 (2020; Zbl 1474.34187) Full Text: DOI
Ivanov, Ivelin Georgiev; Tanov, Vladislav Krasimirov A nonsymmetric Nash-Riccati equation and decoupled schemes for a stabilizing solution. (English) Zbl 1467.65039 Appl. Math. E-Notes 20, 357-366 (2020). MSC: 65F45 15A24 PDFBibTeX XMLCite \textit{I. G. Ivanov} and \textit{V. K. Tanov}, Appl. Math. E-Notes 20, 357--366 (2020; Zbl 1467.65039) Full Text: Link
Papageorgiou, Nikolaos S.; Rădulescu, Vicenţiu D.; Repovš, Dušan D. Positive solutions for the Robin \(p\)-Laplacian plus an indefinite potential. (English) Zbl 1465.35157 Pure Appl. Funct. Anal. 5, No. 5, 1217-1236 (2020). Reviewer: Patrick Winkert (Berlin) MSC: 35J20 35J60 PDFBibTeX XMLCite \textit{N. S. Papageorgiou} et al., Pure Appl. Funct. Anal. 5, No. 5, 1217--1236 (2020; Zbl 1465.35157) Full Text: arXiv Link
Abduragimov, G. E. Existence and uniqueness of positive solution to a boundary value problem for a nonlinear second order functional-differential equation. (English. Russian original) Zbl 1477.34092 Russ. Math. 64, No. 12, 1-5 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 12, 3-7 (2020). Reviewer: Haiyan Wang (Phoenix) MSC: 34K10 47N20 PDFBibTeX XMLCite \textit{G. E. Abduragimov}, Russ. Math. 64, No. 12, 1--5 (2020; Zbl 1477.34092); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 12, 3--7 (2020) Full Text: DOI
Meng, Jie; Lee, Hosoo; Kim, Hyun-Min On the extreme solutions of a class of nonlinear matrix equation. (English) Zbl 1464.15024 J. Nonlinear Convex Anal. 21, No. 1, 77-87 (2020). MSC: 15A24 65F45 PDFBibTeX XMLCite \textit{J. Meng} et al., J. Nonlinear Convex Anal. 21, No. 1, 77--87 (2020; Zbl 1464.15024) Full Text: Link
Hellal, Meryem; Merzagui, N. Positive and nontrivial solutions to a system of first-order impulsive nonlocal boundary value problems with sign changing nonlinearities. (English) Zbl 1469.34043 J. Appl. Anal. 26, No. 2, 193-207 (2020). Reviewer: Jan Tomeček (Olomouc) MSC: 34B18 34B37 47N20 34B10 PDFBibTeX XMLCite \textit{M. Hellal} and \textit{N. Merzagui}, J. Appl. Anal. 26, No. 2, 193--207 (2020; Zbl 1469.34043) Full Text: DOI
Papageorgiou, Nikolaos S.; Vetro, Calogero; Vetro, Francesca Singular double phase problems with convection. (English) Zbl 1462.35110 Acta Appl. Math. 170, 947-962 (2020). MSC: 35B50 35J25 35J75 35J92 47H10 PDFBibTeX XMLCite \textit{N. S. Papageorgiou} et al., Acta Appl. Math. 170, 947--962 (2020; Zbl 1462.35110) Full Text: DOI
Taira, Kazuaki Logistic Neumann problems with discontinuous coefficients. (English) Zbl 1466.92160 Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 66, No. 2, 409-485 (2020). MSC: 92D25 35R05 42B20 PDFBibTeX XMLCite \textit{K. Taira}, Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 66, No. 2, 409--485 (2020; Zbl 1466.92160) Full Text: DOI Link
Deng, Naijuan; Yuan, Pingzhi Diophantine equation \(((c + 1)m^2 + 1)^x + (cm^2 - 1)^y = (am)^z\). (Chinese. English summary) Zbl 1474.11095 Math. Pract. Theory 50, No. 20, 220-226 (2020). MSC: 11D61 PDFBibTeX XMLCite \textit{N. Deng} and \textit{P. Yuan}, Math. Pract. Theory 50, No. 20, 220--226 (2020; Zbl 1474.11095)
Yang, Kaifan The positive operator solutions to operator equation \({X^{-1}} - {A^*}{X^t}A = Q\). (Chinese. English summary) Zbl 1474.47110 Math. Pract. Theory 50, No. 18, 206-208 (2020). MSC: 47J05 47J25 PDFBibTeX XMLCite \textit{K. Yang}, Math. Pract. Theory 50, No. 18, 206--208 (2020; Zbl 1474.47110)
Ji, Lei Positive solution for a class of second-order problem under Stieltjes integral boundary condition. (Chinese. English summary) Zbl 1474.34172 Math. Pract. Theory 50, No. 17, 239-246 (2020). MSC: 34B18 34B10 47N20 PDFBibTeX XMLCite \textit{L. Ji}, Math. Pract. Theory 50, No. 17, 239--246 (2020; Zbl 1474.34172)
Wang, Xiaomei; Yang, Zhilin Positive solutions for a \(2n\)-order boundary value problem involving derivatives of all lower orders. (Chinese. English summary) Zbl 1474.34185 Math. Pract. Theory 50, No. 15, 229-237 (2020). MSC: 34B18 34B15 47N20 PDFBibTeX XMLCite \textit{X. Wang} and \textit{Z. Yang}, Math. Pract. Theory 50, No. 15, 229--237 (2020; Zbl 1474.34185)
Xu, Baiyan; Jiang, Yicheng; Tian, Jiya Existence of solutions for a class of fractional differential equations with \(p\)-Laplacian operators and integral boundary conditions. (Chinese. English summary) Zbl 1474.34133 Math. Pract. Theory 50, No. 15, 177-183 (2020). MSC: 34B10 34A08 47N20 PDFBibTeX XMLCite \textit{B. Xu} et al., Math. Pract. Theory 50, No. 15, 177--183 (2020; Zbl 1474.34133)
Shan, Xuemeng; Liang, Zaitao; Wei, Hui Existence of positive periodic solutions for relativistic singular equations. (Chinese. English summary) Zbl 1474.34268 Math. Appl. 33, No. 4, 946-954 (2020). MSC: 34C25 34B16 34B18 47N20 PDFBibTeX XMLCite \textit{X. Shan} et al., Math. Appl. 33, No. 4, 946--954 (2020; Zbl 1474.34268)
Liang, Xingyue; Zhou, Zongfu Positive solutions for a class of fractional differential equations with Stieltjes integral boundary conditions. (Chinese. English summary) Zbl 1474.34174 Math. Appl. 33, No. 4, 826-835 (2020). MSC: 34B18 34A08 34B10 47N20 PDFBibTeX XMLCite \textit{X. Liang} and \textit{Z. Zhou}, Math. Appl. 33, No. 4, 826--835 (2020; Zbl 1474.34174)
Zhao, Jiao Global structure of the set of positive solutions for a class of nonlinear third-order boundary value problems. (Chinese. English summary) Zbl 1474.34117 J. Shandong Univ., Nat. Sci. 55, No. 10, 104-110 (2020). MSC: 34B09 34B18 34B10 34C23 PDFBibTeX XMLCite \textit{J. Zhao}, J. Shandong Univ., Nat. Sci. 55, No. 10, 104--110 (2020; Zbl 1474.34117)
Hu, Fangfang; Hu, Weimin Multiple positive solutions for boundary value problems of fractional differential equations with \(p\)-Laplacian operator. (Chinese. English summary) Zbl 1474.34171 J. Northeast Norm. Univ., Nat. Sci. Ed. 52, No. 3, 62-67 (2020). MSC: 34B18 34A08 47N20 PDFBibTeX XMLCite \textit{F. Hu} and \textit{W. Hu}, J. Northeast Norm. Univ., Nat. Sci. Ed. 52, No. 3, 62--67 (2020; Zbl 1474.34171) Full Text: DOI
Luo, Hua Bifurcation and positive solutions of a \(p\)-Laplacian problem. (English) Zbl 1474.35078 J. Math., Wuhan Univ. 40, No. 5, 539-543 (2020). MSC: 35B32 35B09 35J60 PDFBibTeX XMLCite \textit{H. Luo}, J. Math., Wuhan Univ. 40, No. 5, 539--543 (2020; Zbl 1474.35078) Full Text: DOI
Yin, Chenyang; Ma, Yuexiao; Zhang, Guowei Nontrivial solutions of semi-positone \((k, n-k)\) boundary value problem subject to nonlocal boundary conditions with Stieltjes integrals. (Chinese. English summary) Zbl 1474.34153 Acta Math. Appl. Sin. 43, No. 1, 62-78 (2020). MSC: 34B15 34B18 34B10 PDFBibTeX XMLCite \textit{C. Yin} et al., Acta Math. Appl. Sin. 43, No. 1, 62--78 (2020; Zbl 1474.34153)
Zhang, Qin Positive solutions for a fractional boundary value problem with Riemann-Liouville fractional derivatives. (Chinese. English summary) Zbl 1474.34188 Acta Anal. Funct. Appl. 22, No. 1-2, 13-23 (2020). MSC: 34B18 34A08 47N20 PDFBibTeX XMLCite \textit{Q. Zhang}, Acta Anal. Funct. Appl. 22, No. 1--2, 13--23 (2020; Zbl 1474.34188)
Zhang, Yanlei; Abdella, Kenzu; Feng, Wenying Positive solutions for second-order differential equations with singularities and separated integral boundary conditions. (English) Zbl 1474.34157 Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 75, 12 p. (2020). MSC: 34B16 34B10 34B18 34B27 47N20 PDFBibTeX XMLCite \textit{Y. Zhang} et al., Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 75, 12 p. (2020; Zbl 1474.34157) Full Text: DOI
Shen, Chunfang; Zhou, Hui; Fan, Xiaoxiang; Yang, Liu Positive solution for nonlinear third-order multi-point boundary value problem at resonance. (English) Zbl 1457.34040 J. Appl. Anal. Comput. 10, No. 3, 842-852 (2020). MSC: 34B10 34B15 PDFBibTeX XMLCite \textit{C. Shen} et al., J. Appl. Anal. Comput. 10, No. 3, 842--852 (2020; Zbl 1457.34040) Full Text: DOI
Liu, Dongyue; Zhang, Kemei Existence of positive solutions to a boundary value problem for a delayed singular high order fractional differential equation with sign-changing nonlinearity. (English) Zbl 1465.34088 J. Appl. Anal. Comput. 10, No. 3, 1073-1093 (2020). MSC: 34K37 34K10 47N20 PDFBibTeX XMLCite \textit{D. Liu} and \textit{K. Zhang}, J. Appl. Anal. Comput. 10, No. 3, 1073--1093 (2020; Zbl 1465.34088) Full Text: DOI
Guo, Caixia; Guo, Jianmin; Kang, Shugui; Li, Huapeng Existence and uniqueness of positive solution for nonlinear fractional \(q\)-difference equation with integral boundary conditions. (English) Zbl 1462.39005 J. Appl. Anal. Comput. 10, No. 1, 153-164 (2020). MSC: 39A13 39A12 34A08 34K37 PDFBibTeX XMLCite \textit{C. Guo} et al., J. Appl. Anal. Comput. 10, No. 1, 153--164 (2020; Zbl 1462.39005) Full Text: DOI
Ito, Takahiro; Ogiwara, Toshiko; Usami, Hiroyuki Asymptotic properties of solutions of a Lanchester-type model. (English) Zbl 1457.34056 Differ. Equ. Appl. 12, No. 1, 1-12 (2020). MSC: 34C11 35E10 PDFBibTeX XMLCite \textit{T. Ito} et al., Differ. Equ. Appl. 12, No. 1, 1--12 (2020; Zbl 1457.34056) Full Text: DOI
Wahash, Hanan A.; Panchal, Satish K.; Abdo, Mohammed S. Positive solutions for generalized Caputo fractional differential equations with integral boundary conditions. (English) Zbl 1474.34183 J. Math. Model. 8, No. 4, 393-414 (2020). MSC: 34B18 34A08 34B15 34B10 47N20 PDFBibTeX XMLCite \textit{H. A. Wahash} et al., J. Math. Model. 8, No. 4, 393--414 (2020; Zbl 1474.34183) Full Text: DOI
Khamessi, Bilel Fractional boundary value problem on the half-line. (English) Zbl 1472.34051 J. Math. Phys. Anal. Geom. 16, No. 1, 27-45 (2020). Reviewer: Hüseyin Tuna (Burdur) MSC: 34B40 34A08 34B18 47N20 34B27 PDFBibTeX XMLCite \textit{B. Khamessi}, J. Math. Phys. Anal. Geom. 16, No. 1, 27--45 (2020; Zbl 1472.34051) Full Text: DOI
Li, Dongping; Chen, Fangqi; An, Yukun Positive solutions for a \(p\)-Laplacian type system of impulsive fractional boundary value problem. (English) Zbl 1462.34014 J. Appl. Anal. Comput. 10, No. 2, 740-759 (2020). MSC: 34A08 34B18 34B37 58E50 PDFBibTeX XMLCite \textit{D. Li} et al., J. Appl. Anal. Comput. 10, No. 2, 740--759 (2020; Zbl 1462.34014) Full Text: DOI
Neugebauer, Jeffrey T. The role of symmetry and concavity in the existence of solutions of a difference equation with Dirichlet boundary conditions. (English) Zbl 1454.39013 Int. J. Difference Equ. 15, No. 2, 483-491 (2020). MSC: 39A10 47H10 PDFBibTeX XMLCite \textit{J. T. Neugebauer}, Int. J. Difference Equ. 15, No. 2, 483--491 (2020; Zbl 1454.39013) Full Text: Link
Wang, Jinxiang Existence and uniqueness of positive solutions for Kirchhoff type beam equations. (English) Zbl 1474.34184 Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 61, 14 p. (2020). MSC: 34B18 34B10 34B09 34C23 74K10 PDFBibTeX XMLCite \textit{J. Wang}, Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 61, 14 p. (2020; Zbl 1474.34184) Full Text: DOI arXiv
Dhage, Bapurao C. Iteration principle for IVPS of nonlinear first order impulsive differential equations. (English) Zbl 1488.34090 Jñānābha 50, No. 1, 265-278 (2020). MSC: 34A45 34A12 47H07 47H10 34A37 PDFBibTeX XMLCite \textit{B. C. Dhage}, Jñānābha 50, No. 1, 265--278 (2020; Zbl 1488.34090) Full Text: Link
Chaouai, Zakariya; El Hachimi, Abderrahmane Qualitative properties of weak solutions for \(p\)-Laplacian equations with nonlocal source and gradient absorption. (English) Zbl 1456.35118 Bull. Korean Math. Soc. 57, No. 4, 1003-1031 (2020). MSC: 35K92 35K20 35B09 35B51 35B44 PDFBibTeX XMLCite \textit{Z. Chaouai} and \textit{A. El Hachimi}, Bull. Korean Math. Soc. 57, No. 4, 1003--1031 (2020; Zbl 1456.35118) Full Text: DOI
Sun, Taixiang; Su, Guangwang; Qin, Bin On the fuzzy difference equation \(x_n = F(x_{n-1},x_{n-k})\). (English) Zbl 1452.39005 Fuzzy Sets Syst. 387, 81-88 (2020). MSC: 39A99 PDFBibTeX XMLCite \textit{T. Sun} et al., Fuzzy Sets Syst. 387, 81--88 (2020; Zbl 1452.39005) Full Text: DOI
Georgiev, Svetlin Georgiev; Majdoub, Mohamed Existence of solutions for a class of IBVP for nonlinear hyperbolic equations. (English) Zbl 1452.35090 SN Partial Differ. Equ. Appl. 1, No. 4, Paper No. 22, 20 p. (2020). MSC: 35L20 35L70 47H10 58J20 PDFBibTeX XMLCite \textit{S. G. Georgiev} and \textit{M. Majdoub}, SN Partial Differ. Equ. Appl. 1, No. 4, Paper No. 22, 20 p. (2020; Zbl 1452.35090) Full Text: DOI arXiv
Kaidireya, Nuermaimaiti; Zhang, Sibao Discussion of solutions of an equation on the number-theoretic function \(\varphi(m)\). (Chinese. English summary) Zbl 1463.11107 Pure Appl. Math. 36, No. 2, 229-238 (2020). MSC: 11D72 11D45 PDFBibTeX XMLCite \textit{N. Kaidireya} and \textit{S. Zhang}, Pure Appl. Math. 36, No. 2, 229--238 (2020; Zbl 1463.11107) Full Text: DOI
Su, Shuai; Wu, Jiming A vertex-centered and positivity-preserving finite volume scheme for two-dimensional three-temperature radiation diffusion equations on general polygonal meshes. (English) Zbl 1463.65268 Numer. Math., Theory Methods Appl. 13, No. 1, 220-252 (2020). MSC: 65M08 65M22 80A21 35B09 35Q79 PDFBibTeX XMLCite \textit{S. Su} and \textit{J. Wu}, Numer. Math., Theory Methods Appl. 13, No. 1, 220--252 (2020; Zbl 1463.65268) Full Text: DOI
Wang, Hexiang Nonexistence of positive solutions for a four point boundary value problem with \(p\)-Laplacian operators. (Chinese. English summary) Zbl 1463.34105 Math. Pract. Theory 50, No. 10, 225-230 (2020). MSC: 34B18 34B10 34A08 PDFBibTeX XMLCite \textit{H. Wang}, Math. Pract. Theory 50, No. 10, 225--230 (2020; Zbl 1463.34105)
Shen, Kaiyue; Zhou, Zongfu Positive solutions for fractional differential equations with integral and infinite-point boundary conditions. (English) Zbl 1463.34101 Math. Appl. 33, No. 3, 563-571 (2020). MSC: 34B18 34A08 34B10 34B27 47N20 PDFBibTeX XMLCite \textit{K. Shen} and \textit{Z. Zhou}, Math. Appl. 33, No. 3, 563--571 (2020; Zbl 1463.34101)
Muhammadhaji, Ahmadjan Permanence of a non-autonomous periodic plant-pollinator system with pollination mutualism. (Chinese. English summary) Zbl 1463.34198 J. Xinjiang Univ., Nat. Sci. 37, No. 2, 127-133 (2020). MSC: 34C60 34C25 34D20 92C80 37C60 34D05 PDFBibTeX XMLCite \textit{A. Muhammadhaji}, J. Xinjiang Univ., Nat. Sci. 37, No. 2, 127--133 (2020; Zbl 1463.34198) Full Text: DOI