He, Xingyue; Gao, Chenghua; Wang, Jingjing \(k\)-convex solutions for multiparameter Dirichlet systems with \(k\)-Hessian operator and Lane-Emden type nonlinearities. (English) Zbl 07819561 Adv. Nonlinear Anal. 13, Article ID 20230136, 22 p. (2024). MSC: 34B15 34B18 35J47 35J96 PDFBibTeX XMLCite \textit{X. He} et al., Adv. Nonlinear Anal. 13, Article ID 20230136, 22 p. (2024; Zbl 07819561) Full Text: DOI OA License
Feng, Meiqiang; Zhang, Xuemei The existence of infinitely many boundary blow-up solutions to the \(p\)-\(k\)-Hessian equation. (English) Zbl 1526.34020 Adv. Nonlinear Stud. 23, Article ID 20220074, 12 p. (2023). Reviewer: Saeid Shokooh (Gonbad Qabus) MSC: 34B18 34B15 35J47 34C11 PDFBibTeX XMLCite \textit{M. Feng} and \textit{X. Zhang}, Adv. Nonlinear Stud. 23, Article ID 20220074, 12 p. (2023; Zbl 1526.34020) Full Text: DOI
Bai, Shuangshuang; Zhang, Xuemei; Feng, Meiqiang Entire positive \(k\)-convex solutions to \(k\)-Hessian type equations and systems. (English) Zbl 1490.35020 Electron. Res. Arch. 30, No. 2, 481-491 (2022). Reviewer: John Urbas (Canberra) MSC: 35B08 35J60 35J47 35J96 PDFBibTeX XMLCite \textit{S. Bai} et al., Electron. Res. Arch. 30, No. 2, 481--491 (2022; Zbl 1490.35020) Full Text: DOI
Papageorgiou, Nikolaos S.; Winkert, Patrick \((p, q)\)-equations with singular and concave convex nonlinearities. (English) Zbl 1479.35492 Appl. Math. Optim. 84, No. 3, 2601-2628 (2021). Reviewer: Calogero Vetro (Palermo) MSC: 35J92 35J75 35J20 PDFBibTeX XMLCite \textit{N. S. Papageorgiou} and \textit{P. Winkert}, Appl. Math. Optim. 84, No. 3, 2601--2628 (2021; Zbl 1479.35492) Full Text: DOI arXiv
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
Aydi, Hassen; Jleli, Mohamed; Samet, Bessem On positive solutions for a fractional thermostat model with a convex-concave source term via \(\psi \)-Caputo fractional derivative. (English) Zbl 1431.34084 Mediterr. J. Math. 17, No. 1, Paper No. 16, 15 p. (2020). MSC: 34K37 34B18 47L07 PDFBibTeX XMLCite \textit{H. Aydi} et al., Mediterr. J. Math. 17, No. 1, Paper No. 16, 15 p. (2020; Zbl 1431.34084) Full Text: DOI
Zhang, Zhongxin Similarity solutions to the MHD boundary layer equations with a negative parameter for power-law fluids. (English) Zbl 1443.76249 Comput. Math. Appl. 78, No. 8, 2806-2816 (2019). MSC: 76W05 35C06 35Q35 PDFBibTeX XMLCite \textit{Z. Zhang}, Comput. Math. Appl. 78, No. 8, 2806--2816 (2019; Zbl 1443.76249) Full Text: DOI
Bennett, Jonathan; Bez, Neal Generating monotone quantities for the heat equation. (English) Zbl 1442.35170 J. Reine Angew. Math. 756, 37-63 (2019). Reviewer: Ti-Jun Xiao (Fudan) MSC: 35K05 42B37 52A40 PDFBibTeX XMLCite \textit{J. Bennett} and \textit{N. Bez}, J. Reine Angew. Math. 756, 37--63 (2019; Zbl 1442.35170) Full Text: DOI arXiv Link
Xu, Jiafa; Goodrich, Christopher S.; Cui, Yujun Positive solutions for a system of first-order discrete fractional boundary value problems with semipositone nonlinearities. (English) Zbl 1417.39030 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1343-1358 (2019). MSC: 39A14 26A33 PDFBibTeX XMLCite \textit{J. Xu} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1343--1358 (2019; Zbl 1417.39030) Full Text: DOI
Xu, Housheng; Wang, Bo AAH fixed point theorem and positive solution to nonlinear equation of second order. (Chinese. English summary) Zbl 1424.47171 J. Shenyang Norm. Univ., Nat. Sci. 36, No. 4, 311-317 (2018). MSC: 47N20 47H10 34B18 PDFBibTeX XMLCite \textit{H. Xu} and \textit{B. Wang}, J. Shenyang Norm. Univ., Nat. Sci. 36, No. 4, 311--317 (2018; Zbl 1424.47171) Full Text: DOI
Cheng, Wei; Xu, Jiafa; O’Regan, Donal Positive solutions for a system of fractional integral boundary value problems. (English) Zbl 1413.34012 Math. Appl. 31, No. 2, 341-349 (2018). MSC: 34A08 34B18 34B10 47N20 34A45 PDFBibTeX XMLCite \textit{W. Cheng} et al., Math. Appl. 31, No. 2, 341--349 (2018; Zbl 1413.34012)
Neilan, Michael; Salgado, Abner J.; Zhang, Wujun Numerical analysis of strongly nonlinear PDEs. (English) Zbl 1381.65092 Acta Numerica 26, 137-303 (2017). Reviewer: Rolf Dieter Grigorieff (Berlin) MSC: 65N30 65N06 65N12 65N15 65N22 35J57 35J66 60H15 35J96 35F21 PDFBibTeX XMLCite \textit{M. Neilan} et al., Acta Numerica 26, 137--303 (2017; Zbl 1381.65092) Full Text: DOI arXiv
Li, Yuyu Positive periodic solutions for the second order differential equation with delays in ordered Banach spaces. (Chinese. English summary) Zbl 1374.34265 J. Northwest Norm. Univ., Nat. Sci. 53, No. 1, 5-11 (2017). MSC: 34K13 34K30 47N20 PDFBibTeX XMLCite \textit{Y. Li}, J. Northwest Norm. Univ., Nat. Sci. 53, No. 1, 5--11 (2017; Zbl 1374.34265) Full Text: DOI
Ramos Quoirin, Humberto; Umezu, Kenichiro On a concave-convex elliptic problem with a nonlinear boundary condition. (English) Zbl 1359.35042 Ann. Mat. Pura Appl. (4) 195, No. 6, 1833-1863 (2016). Reviewer: Florin Catrina (New York) MSC: 35J25 35J61 35B35 35B09 35B51 35J20 35B32 PDFBibTeX XMLCite \textit{H. Ramos Quoirin} and \textit{K. Umezu}, Ann. Mat. Pura Appl. (4) 195, No. 6, 1833--1863 (2016; Zbl 1359.35042) Full Text: DOI
Li, Xiaolong; Zhang, Qian Existence of positive solutions for nonlinear Neumann boundary value problems in ordered Banach spaces. (Chinese. English summary) Zbl 1363.34076 J. Zhengzhou Univ., Nat. Sci. Ed. 48, No. 1, 23-26, 31 (2016). MSC: 34B18 34G20 47N20 PDFBibTeX XMLCite \textit{X. Li} and \textit{Q. Zhang}, J. Zhengzhou Univ., Nat. Sci. Ed. 48, No. 1, 23--26, 31 (2016; Zbl 1363.34076) Full Text: DOI
Zhai, Chengbo; Jiang, Chunrong Existence and uniqueness of convex monotone positive solutions for boundary value problems of an elastic beam equation with a parameter. (English) Zbl 1349.34090 Electron. J. Qual. Theory Differ. Equ. 2015, Paper No. 81, 11 p. (2015). MSC: 34B18 34B15 34A45 74K10 34B09 PDFBibTeX XMLCite \textit{C. Zhai} and \textit{C. Jiang}, Electron. J. Qual. Theory Differ. Equ. 2015, Paper No. 81, 11 p. (2015; Zbl 1349.34090) Full Text: DOI
Yijing, Sun; Xiaoqiang, Cao Remarks on a planar conformal curvature problem. (English) Zbl 1321.34038 Monatsh. Math. 176, No. 4, 623-636 (2015). Reviewer: Irena Rachůnková (Olomouc) MSC: 34B16 34C25 52A40 PDFBibTeX XMLCite \textit{S. Yijing} and \textit{C. Xiaoqiang}, Monatsh. Math. 176, No. 4, 623--636 (2015; Zbl 1321.34038) Full Text: DOI
Jiang, Lingfang; Liu, Yan Existence and uniqueness of positive solutions of \(p\)-Laplacian equations with nonhomogeneous boundary conditions. (Chinese. English summary) Zbl 1313.34072 J. Northeast Norm. Univ., Nat. Sci. Ed. 46, No. 1, 37-41 (2014). MSC: 34B18 34B15 34B16 34B10 PDFBibTeX XMLCite \textit{L. Jiang} and \textit{Y. Liu}, J. Northeast Norm. Univ., Nat. Sci. Ed. 46, No. 1, 37--41 (2014; Zbl 1313.34072)
Liang, Qiuyan Positive solutions for a boundary value problem of a fractional differential equation in ordered Banach spaces. (Chinese. English summary) Zbl 1313.34016 J. Henan Norm. Univ., Nat. Sci. 42, No. 1, 16-20 (2014). MSC: 34A08 34B10 34B18 34G20 47N20 PDFBibTeX XMLCite \textit{Q. Liang}, J. Henan Norm. Univ., Nat. Sci. 42, No. 1, 16--20 (2014; Zbl 1313.34016)
Luo, Ziyan; Tao, Jiyuan; Xiu, Naihua Lowest-rank solutions of continuous and discrete Lyapunov equations over symmetric cone. (English) Zbl 1291.90189 Linear Algebra Appl. 452, 68-88 (2014). MSC: 90C26 90C25 90C59 15A06 15B48 PDFBibTeX XMLCite \textit{Z. Luo} et al., Linear Algebra Appl. 452, 68--88 (2014; Zbl 1291.90189) Full Text: DOI
Zhang, Zhongxin; Zhang, Chunlei Similarity solutions of a boundary layer problem with a negative parameter arising in steady two-dimensional flow for power-law fluids. (English) Zbl 1292.76005 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 102, 1-13 (2014). MSC: 76A05 76D10 34B15 PDFBibTeX XMLCite \textit{Z. Zhang} and \textit{C. Zhang}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 102, 1--13 (2014; Zbl 1292.76005) Full Text: DOI
Wang, Guotao; Liu, Sanyang; Agarwal, Ravi P.; Zhang, Lihong Positive solutions of integral boundary value problem involving Riemann-Liouville fractional derivative. (English) Zbl 1488.34193 J. Fract. Calc. Appl. 4, No. 2, 312-321 (2013). MSC: 34B18 26A33 34A08 46N10 PDFBibTeX XMLCite \textit{G. Wang} et al., J. Fract. Calc. Appl. 4, No. 2, 312--321 (2013; Zbl 1488.34193) Full Text: Link
Li, Xiaolong Existence of positive solutions of a fourth-order periodic boundary value problem in a Banach space. (Chinese. English summary) Zbl 1299.34084 Appl. Math., Ser. A (Chin. Ed.) 28, No. 2, 165-170 (2013). MSC: 34B18 34G20 47N20 PDFBibTeX XMLCite \textit{X. Li}, Appl. Math., Ser. A (Chin. Ed.) 28, No. 2, 165--170 (2013; Zbl 1299.34084)
Li, Xiaolong Positive solutions for nonlinear second order periodic boundary value problems in an ordered Banach space. (Chinese. English summary) Zbl 1299.34083 J. Syst. Sci. Math. Sci. 33, No. 7, 818-824 (2013). MSC: 34B18 34G20 47N20 PDFBibTeX XMLCite \textit{X. Li}, J. Syst. Sci. Math. Sci. 33, No. 7, 818--824 (2013; Zbl 1299.34083)
Li, Xiaolong Positive solutions of nonlinear third-order periodic boundary value problems in Banach spaces. (Chinese. English summary) Zbl 1289.34067 Math. Appl. 26, No. 3, 652-657 (2013). MSC: 34B18 34G20 47N20 PDFBibTeX XMLCite \textit{X. Li}, Math. Appl. 26, No. 3, 652--657 (2013; Zbl 1289.34067)
Kirk, C. M.; Olmstead, W. E.; Roberts, C. A. A system of nonlinear Volterra equations with blow-up solutions. (English) Zbl 1295.45005 J. Integral Equations Appl. 25, No. 3, 377-393 (2013). Reviewer: Martin Väth (Berlin) MSC: 45G15 45D05 45M20 45P05 26A33 PDFBibTeX XMLCite \textit{C. M. Kirk} et al., J. Integral Equations Appl. 25, No. 3, 377--393 (2013; Zbl 1295.45005) Full Text: DOI Euclid
Xie, Chunjie Existence of positive solutions of boundary value problems for second-order ordinary differential equations with nonhomogeneous boundary conditions. (Chinese. English summary) Zbl 1274.34073 J. Yantai Univ., Nat. Sci. Eng. 25, No. 4, 251-255 (2012). MSC: 34B18 34B10 34B08 PDFBibTeX XMLCite \textit{C. Xie}, J. Yantai Univ., Nat. Sci. Eng. 25, No. 4, 251--255 (2012; Zbl 1274.34073)
Li, Xiaolong Existence of positive solutions for nonlinear Robin boundary value problems in Banach spaces. (Chinese. English summary) Zbl 1274.34065 Math. Appl. 25, No. 4, 863-867 (2012). MSC: 34B18 34G20 47N20 PDFBibTeX XMLCite \textit{X. Li}, Math. Appl. 25, No. 4, 863--867 (2012; Zbl 1274.34065)
Li, Xiaolong Existence of positive periodic solutions for order differential equations in an ordered Banach space. (Chinese. English summary) Zbl 1274.34179 J. Syst. Sci. Math. Sci. 32, No. 2, 190-196 (2012). MSC: 34G20 34C25 47N20 PDFBibTeX XMLCite \textit{X. Li}, J. Syst. Sci. Math. Sci. 32, No. 2, 190--196 (2012; Zbl 1274.34179)
Xu, Jiafa; Yang, Zhilin Positive solutions for a system of \(n\)th-order nonlinear boundary value problems. (English) Zbl 1261.34029 Electron. J. Qual. Theory Differ. Equ. 2011, Paper No. 4, 16 p. (2011). MSC: 34B18 34B10 47N20 PDFBibTeX XMLCite \textit{J. Xu} and \textit{Z. Yang}, Electron. J. Qual. Theory Differ. Equ. 2011, Paper No. 4, 16 p. (2011; Zbl 1261.34029) Full Text: EMIS
Qi, Liqun; Yu, Gaohang; Wu, Ed X. Higher order positive semidefinite diffusion tensor imaging. (English) Zbl 1197.92032 SIAM J. Imaging Sci. 3, No. 3, 416-433 (2010). MSC: 92C55 90C25 65H17 PDFBibTeX XMLCite \textit{L. Qi} et al., SIAM J. Imaging Sci. 3, No. 3, 416--433 (2010; Zbl 1197.92032) Full Text: DOI
Bueno, H.; Ercole, G.; Zumpano, A. Positive solutions for the \(p\)-Laplacian and bounds for its first eigenvalue. (English) Zbl 1181.35115 Adv. Nonlinear Stud. 9, No. 2, 313-338 (2009). MSC: 35J92 35B09 35J25 35P15 35J65 35J70 52A38 PDFBibTeX XMLCite \textit{H. Bueno} et al., Adv. Nonlinear Stud. 9, No. 2, 313--338 (2009; Zbl 1181.35115) Full Text: DOI
Zhai, Chengbo; Guo, Chunmei A surjection theorem and a fixed point theorem for a class of positive operators. (English) Zbl 1137.47045 J. Math. Anal. Appl. 337, No. 2, 976-983 (2008). Reviewer: Sergei V. Rogosin (Minsk) MSC: 47H10 47H07 47N20 PDFBibTeX XMLCite \textit{C. Zhai} and \textit{C. Guo}, J. Math. Anal. Appl. 337, No. 2, 976--983 (2008; Zbl 1137.47045) Full Text: DOI
Haji, Abdukerim; Radl, Agnes A semigroup approach to queueing systems. (English) Zbl 1140.47061 Semigroup Forum 75, No. 3, 610-624 (2007). Reviewer: Andreas Brandt (Berlin) MSC: 47N10 47D06 60K25 90B22 PDFBibTeX XMLCite \textit{A. Haji} and \textit{A. Radl}, Semigroup Forum 75, No. 3, 610--624 (2007; Zbl 1140.47061) Full Text: DOI
Heikkilä, S. Fixed point results for multifunctions in ordered topological spaces with applications to inclusion problems and to game theory. (English) Zbl 1127.47047 Dyn. Syst. Appl. 16, No. 1, 105-119 (2007). Reviewer: Andrzej Nowak (Katowice) MSC: 47H07 47H04 47H10 47N10 91A06 91A44 PDFBibTeX XMLCite \textit{S. Heikkilä}, Dyn. Syst. Appl. 16, No. 1, 105--119 (2007; Zbl 1127.47047)
Li, Yongkun; Liu, Ping Existence and stability of positive periodic solution for BAM neural networks with delays. (English) Zbl 1197.34125 Math. Comput. Modelling 40, No. 7-8, 757-770 (2004). MSC: 34K13 34K20 37N25 47N10 92B20 PDFBibTeX XMLCite \textit{Y. Li} and \textit{P. Liu}, Math. Comput. Modelling 40, No. 7--8, 757--770 (2004; Zbl 1197.34125) Full Text: DOI
Wang, Shin-Hwa; Yeh, Tzung-Shin A complete classification of bifurcation diagrams of a Dirichlet problem with concave-convex nonlinearities. (English) Zbl 1054.34040 J. Math. Anal. Appl. 291, No. 1, 128-153 (2004). Reviewer: Abdelkader Boucherif (Dhahran) MSC: 34B18 34C23 34B15 37G99 47J15 PDFBibTeX XMLCite \textit{S.-H. Wang} and \textit{T.-S. Yeh}, J. Math. Anal. Appl. 291, No. 1, 128--153 (2004; Zbl 1054.34040) Full Text: DOI
Liu, Yansheng Positive solutions of second-order singular initial value problem in Banach space. (English) Zbl 1012.34056 Indian J. Pure Appl. Math. 33, No. 6, 833-845 (2002). Reviewer: Sergiy Yanchuk (Kyïv) MSC: 34G20 34A12 PDFBibTeX XMLCite \textit{Y. Liu}, Indian J. Pure Appl. Math. 33, No. 6, 833--845 (2002; Zbl 1012.34056)
Xu, Xingye The positive entire solutions to nonlinear elliptic equations with singularity of \(\mathbb{R}^2\). (Chinese. English summary) Zbl 0961.35052 J. Math. Study 33, No. 1, 51-55 (2000). MSC: 35J60 47H10 35A05 PDFBibTeX XMLCite \textit{X. Xu}, J. Math. Study 33, No. 1, 51--55 (2000; Zbl 0961.35052)
Grinč, Martin On non-negative measurable solutions of a difference functional equation. (English) Zbl 0911.39011 Positivity 2, No. 3, 221-228 (1998). Reviewer: W.Jarczyk (Zielona Góra) MSC: 39B12 39B22 28A05 PDFBibTeX XMLCite \textit{M. Grinč}, Positivity 2, No. 3, 221--228 (1998; Zbl 0911.39011) Full Text: DOI
Ren, Xiumin Newton-like methods for determining zeros of nonsmooth order convex operators. (Chinese. English summary) Zbl 0786.65052 Numer. Math., Nanjing 15, No. 3, 232-239 (1993). MSC: 65J15 65L10 34B15 47J25 47H07 PDFBibTeX XMLCite \textit{X. Ren}, Numer. Math., Nanjing 15, No. 3, 232--239 (1993; Zbl 0786.65052)
Balázs, M.; Goldner, G. Monotone enclosure for a boundary value problem. (English) Zbl 0661.65053 Prepr., “Babeș-Bolyai” Univ., Fac. Math. Phys., Res. Semin. 1988, No. 6, 127-136 (1988). Reviewer: G.Mayer MSC: 65J15 47H07 47J25 34B15 65L10 PDFBibTeX XMLCite \textit{M. Balázs} and \textit{G. Goldner}, Prepr., ``Babeș-Bolyai'' Univ., Fac. Math. Phys., Res. Semin. 1988, No. 6, 127--136 (1988; Zbl 0661.65053)
Micchelli, Charles A.; Utreras, Florencio I. Smoothing and interpolation in a convex subset of a Hilbert space. (English) Zbl 0651.65046 SIAM J. Sci. Stat. Comput. 9, No. 4, 728-746 (1988). Reviewer: V.V.Kobkov MSC: 65J05 41A65 65D10 65D07 41A15 PDFBibTeX XMLCite \textit{C. A. Micchelli} and \textit{F. I. Utreras}, SIAM J. Sci. Stat. Comput. 9, No. 4, 728--746 (1988; Zbl 0651.65046) Full Text: DOI
Taskinen, Jari (FBa)- and (FBB)-spaces. (English) Zbl 0628.46068 Math. Z. 198, No. 3, 339-365 (1988). MSC: 46M05 46A04 PDFBibTeX XMLCite \textit{J. Taskinen}, Math. Z. 198, No. 3, 339--365 (1988; Zbl 0628.46068) Full Text: DOI EuDML
Gilyazov, S. F.; Morozov, V. A. An estimate of the error of the solution of systems of linear algebraic equations. (English. Russian original) Zbl 0663.65023 U.S.S.R. Comput. Math. Math. Phys. 27, No. 5, 91-93 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 9, 1416-1418 (1987). MSC: 65F05 65K05 PDFBibTeX XMLCite \textit{S. F. Gilyazov} and \textit{V. A. Morozov}, U.S.S.R. Comput. Math. Math. Phys. 27, No. 5, 91--93 (1987; Zbl 0663.65023); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 9, 1416--1418 (1987) Full Text: DOI
Gilyazov, S. F.; Morozov, V. A. On an error estimate of the solution of systems of linear algebraic equations. (Russian) Zbl 0639.65021 Zh. Vychisl. Mat. Mat. Fiz. 27, No. 9, 1416-1418 (1987). Reviewer: J.Albrycht MSC: 65F05 65K05 PDFBibTeX XMLCite \textit{S. F. Gilyazov} and \textit{V. A. Morozov}, Zh. Vychisl. Mat. Mat. Fiz. 27, No. 9, 1416--1418 (1987; Zbl 0639.65021)
Li, Guozhen On asymptotic positive solutions for uniformly \(u_ 0\)-convex operator equations \(Ax=x\). (Chinese) Zbl 0566.47040 Jiangxi Shifandaxue Xuebao 1984, No. 2, 13-14 (1984). Reviewer: Yu Xintai MSC: 47J05 47H05 44A15 PDFBibTeX XMLCite \textit{G. Li}, Jiangxi Shifandaxue Xuebao 1984, No. 2, 13--14 (1984; Zbl 0566.47040)
Walton, Jay R. On the steady-state propagation of an anti-plane shear crack in an infinite general linearly viscoelastic body. (English) Zbl 0525.73114 Q. Appl. Math. 40, 37-52 (1982). MSC: 74R05 74G70 74D99 45E10 PDFBibTeX XMLCite \textit{J. R. Walton}, Q. Appl. Math. 40, 37--52 (1982; Zbl 0525.73114) Full Text: DOI
Bruss, Anna R. The eikonal equation: Some results applicable to computer vision. (English) Zbl 0502.35079 J. Math. Phys. 23, 890-896 (1982). MSC: 35Q99 78A15 78A05 PDFBibTeX XMLCite \textit{A. R. Bruss}, J. Math. Phys. 23, 890--896 (1982; Zbl 0502.35079) Full Text: DOI
Zhang, Shi-sheng; Hong, Chuan-li On the positive solutions and spectral theory for a class of convex operators. (English) Zbl 0523.47037 J. Sichuan Univ., Nat. Sci. Ed. 1980, No. 4, 45-60 (1980). MSC: 47H07 46A40 47A10 PDFBibTeX XMLCite \textit{S.-s. Zhang} and \textit{C.-l. Hong}, J. Sichuan Univ., Nat. Sci. Ed. 1980, No. 4, 45--60 (1980; Zbl 0523.47037)