Sun, Qinfu Solutions to semipositone eigenvalue problems. (English) Zbl 1303.34013 Int. J. Math. Anal., Ruse 7, No. 41-44, 2049-2059 (2013). Reviewer: Jurang Yan (Taiyuan) MSC: 34B09 34B15 34B18 47N20 PDFBibTeX XMLCite \textit{Q. Sun}, Int. J. Math. Anal., Ruse 7, No. 41--44, 2049--2059 (2013; Zbl 1303.34013) Full Text: DOI
Sitthiwirattham, Thanin; Ratanapun, Suporn Positive solutions of a second-order difference equation with summation boundary value problem. II. (English) Zbl 1285.39002 Int. J. Math. Anal., Ruse 7, No. 1-4, 105-121 (2013). Reviewer: Fei Xue (Hartford) MSC: 39A10 39A22 PDFBibTeX XMLCite \textit{T. Sitthiwirattham} and \textit{S. Ratanapun}, Int. J. Math. Anal., Ruse 7, No. 1--4, 105--121 (2013; Zbl 1285.39002) Full Text: DOI Link
Sitthiwirattham, Thanin; Ratanapun, Suporn Positive solutions of a second-order difference equation with summation boundary value problem. (English) Zbl 1285.39003 Int. J. Math. Anal., Ruse 7, No. 1-4, 91-103 (2013). Reviewer: Fei Xue (Hartford) MSC: 39A10 39A22 PDFBibTeX XMLCite \textit{T. Sitthiwirattham} and \textit{S. Ratanapun}, Int. J. Math. Anal., Ruse 7, No. 1--4, 91--103 (2013; Zbl 1285.39003) Full Text: DOI Link
Vamsi, D. K. K.; Baruah, Pallav Kumar Existence of multiple positive solutions and localisation of eigen values for nonlinear Sturm Liouville problems with a singular interface using the Green’s matrix. (English) Zbl 1263.34129 Int. J. Math. Anal., Ruse 6, No. 37-40, 1891-1910 (2012). Reviewer: K. Rajendra Prasad (Visakhapatnam) MSC: 34N05 34B09 34B27 34L15 47N20 34B24 34B18 PDFBibTeX XMLCite \textit{D. K. K. Vamsi} and \textit{P. K. Baruah}, Int. J. Math. Anal., Ruse 6, No. 37--40, 1891--1910 (2012; Zbl 1263.34129) Full Text: Link
El-Sayed, A. M. A.; Bin-Taher, E. O. Maximal and minimal positive solutions of a nonlocal boundary value problem of a fractional order differential equation. (English) Zbl 1257.34004 Int. J. Math. Anal., Ruse 6, No. 29-32, 1431-1441 (2012). Reviewer: Syed Abbas (Mandi) MSC: 34A08 34B18 34B27 PDFBibTeX XMLCite \textit{A. M. A. El-Sayed} and \textit{E. O. Bin-Taher}, Int. J. Math. Anal., Ruse 6, No. 29--32, 1431--1441 (2012; Zbl 1257.34004) Full Text: Link
Zhang, Haiyan; Li, Yaohong A unique positive solution for second-order nonlinear impulsive singular integro-differential equations in Banach spaces. (English) Zbl 1255.45007 Int. J. Math. Anal., Ruse 5, No. 41-44, 2017-2027 (2011). Reviewer: Seenith Sivasundaram (Daytona Beach) MSC: 45N05 45J05 45G05 45M20 PDFBibTeX XMLCite \textit{H. Zhang} and \textit{Y. Li}, Int. J. Math. Anal., Ruse 5, No. 41--44, 2017--2027 (2011; Zbl 1255.45007) Full Text: Link
Qin, Bin; Sun, Taixiang; Xi, Hongjian Global behavior of the max-type difference equation \(x_{n}=\max \{\frac{A_1}{x^{\alpha_1}_{n-m\_1}}, \frac{a_2}{x^{\alpha_2}\_{n-m_2}},\dots,\frac{A_k}{x^{\alpha_k}\_{n-m_k}} \}\). (English) Zbl 1250.39009 Int. J. Math. Anal., Ruse 5, No. 37-40, 1859-1865 (2011). Reviewer: Oleg Anashkin (Simferopol) MSC: 39A20 39A22 PDFBibTeX XMLCite \textit{B. Qin} et al., Int. J. Math. Anal., Ruse 5, No. 37--40, 1859--1865 (2011; Zbl 1250.39009) Full Text: Link
Xuan, Liu Existence and multiplicity of symmetric positive solutions for singular second-order m-point boundary value problem. (English) Zbl 1245.34027 Int. J. Math. Anal., Ruse 5, No. 29-32, 1453-1457 (2011). MSC: 34B18 34B27 34B10 34B16 PDFBibTeX XMLCite \textit{L. Xuan}, Int. J. Math. Anal., Ruse 5, No. 29--32, 1453--1457 (2011; Zbl 1245.34027) Full Text: Link
Feng, Peng; Ali, Jaffar A remark on entire explosive solutions for a class of elliptic system with linear gradient terms. (English) Zbl 1235.34077 Int. J. Math. Anal., Ruse 4, No. 49-52, 2529-2534 (2010). MSC: 34B18 34B15 35J47 PDFBibTeX XMLCite \textit{P. Feng} and \textit{J. Ali}, Int. J. Math. Anal., Ruse 4, No. 49--52, 2529--2534 (2010; Zbl 1235.34077) Full Text: Link
Afrouzi, G. A.; Shokooh, S. Large solution of quasilinear elliptic equations under the Keller-Osserman condition. (English) Zbl 1219.35107 Int. J. Math. Anal., Ruse 4, No. 41-44, 2065-2074 (2010). MSC: 35J62 35B30 35B40 35B09 PDFBibTeX XMLCite \textit{G. A. Afrouzi} and \textit{S. Shokooh}, Int. J. Math. Anal., Ruse 4, No. 41--44, 2065--2074 (2010; Zbl 1219.35107) Full Text: Link
Van Khuong, Vu; Thai, Tran Hong Qualitative properties for a fourth-order rational difference equation. VIII. (English) Zbl 1382.39007 Int. J. Math. Anal., Ruse 4, No. 37-40, 1985-1993 (2010). MSC: 39A20 39A30 39A21 PDFBibTeX XMLCite \textit{V. Van Khuong} and \textit{T. H. Thai}, Int. J. Math. Anal., Ruse 4, No. 37--40, 1985--1993 (2010; Zbl 1382.39007) Full Text: Link
Van Khuong, Vu; Thai, Tran Hong A note on global behaviour of solutions and positive nonoscillatory solutions of rational difference equation. (A note on global behaviuor of solutions and positive nonoscilatory solutions of rational difference equation.) (English) Zbl 1232.39015 Int. J. Math. Anal., Ruse 4, No. 37-40, 1975-1984 (2010). Reviewer: Roman Šimon Hilscher (Brno) MSC: 39A22 39A21 PDFBibTeX XMLCite \textit{V. Van Khuong} and \textit{T. H. Thai}, Int. J. Math. Anal., Ruse 4, No. 37--40, 1975--1984 (2010; Zbl 1232.39015) Full Text: Link
Yan, Wei Positive solutions for fourth-order three-point boundary-value problems. (English) Zbl 1223.34029 Int. J. Math. Anal., Ruse 4, No. 37-40, 1799-1806 (2010). MSC: 34B18 34B15 34B10 47N20 PDFBibTeX XMLCite \textit{W. Yan}, Int. J. Math. Anal., Ruse 4, No. 37--40, 1799--1806 (2010; Zbl 1223.34029) Full Text: EuDML Link
Vu Van Khuong; Mai Nam Phong A note on the positive nonoscillatory solutions of the difference equation \(x_{n+1} = \frac{\alpha}{\sum_{i=0}^{k-1} c_i x_{n-i}} + \left(\frac {x_{n-k}}{\sum_{i=0}^{k-1}c_i x_{n-i}}\right)^p\). (English) Zbl 1225.39015 Int. J. Math. Anal., Ruse 4, No. 33-36, 1787-1798 (2010). Reviewer: Pavel Rehak (Brno) MSC: 39A20 39A22 PDFBibTeX XMLCite \textit{Vu Van Khuong} and \textit{Mai Nam Phong}, Int. J. Math. Anal., Ruse 4, No. 33--36, 1787--1798 (2010; Zbl 1225.39015) Full Text: Link
Khuong, Vu Van; Lan, Le Hong Qualitative properties for a fourth-order rational difference equation. IV. (English) Zbl 1206.39011 Int. J. Math. Anal., Ruse 4, No. 29-32, 1557-1567 (2010). Reviewer: Ondřej Došlý (Brno) MSC: 39A20 39A21 39A22 39A30 PDFBibTeX XMLCite \textit{V. Van Khuong} and \textit{L. H. Lan}, Int. J. Math. Anal., Ruse 4, No. 29--32, 1557--1567 (2010; Zbl 1206.39011) Full Text: Link
Qu, Haidong Positive solutions of boundary value problems of nonlinear third-order differential equations. (English) Zbl 1210.34034 Int. J. Math. Anal., Ruse 4, No. 17-20, 855-860 (2010). Reviewer: Satoshi Tanaka (Okayama) MSC: 34B18 34B27 47N20 PDFBibTeX XMLCite \textit{H. Qu}, Int. J. Math. Anal., Ruse 4, No. 17--20, 855--860 (2010; Zbl 1210.34034) Full Text: Link
Vu Van Khuong; Mai Nam Phong A note on global behavior of solutions and positive nonoscillatory solution of rational difference equation. (English) Zbl 1203.39011 Int. J. Math. Anal., Ruse 4, No. 17-20, 841-854 (2010). Reviewer: Vladimir Răsvan (Craiova) MSC: 39A30 39A22 39A20 39A21 PDFBibTeX XMLCite \textit{Vu Van Khuong} and \textit{Mai Nam Phong}, Int. J. Math. Anal., Ruse 4, No. 17--20, 841--854 (2010; Zbl 1203.39011) Full Text: Link
Vu Van Khuong; Mai Nam Phong Qualitative properties for a fourth-order rational difference equation. V. (English) Zbl 1208.39017 Int. J. Math. Anal., Ruse 4, No. 17-20, 827-840 (2010). Reviewer: Ondřej Došlý (Brno) MSC: 39A20 39A21 39A22 39A30 PDFBibTeX XMLCite \textit{Vu Van Khuong} and \textit{Mai Nam Phong}, Int. J. Math. Anal., Ruse 4, No. 17--20, 827--840 (2010; Zbl 1208.39017) Full Text: Link
El-Shahed, M.; Al-Askar, Farah M. On the existence of positive solutions for a boundary value problem of fractional order. (English) Zbl 1198.26010 Int. J. Math. Anal., Ruse 4, No. 13-16, 671-678 (2010). MSC: 26A33 34B15 PDFBibTeX XMLCite \textit{M. El-Shahed} and \textit{F. M. Al-Askar}, Int. J. Math. Anal., Ruse 4, No. 13--16, 671--678 (2010; Zbl 1198.26010) Full Text: Link
Vu Van Khuong Qualitative properties for a fourth-order rational difference equation. II. (English) Zbl 1208.39016 Int. J. Math. Anal., Ruse 4, No. 13-16, 617-629 (2010). Reviewer: Ondřej Došlý (Brno) MSC: 39A20 39A22 39A21 39A30 PDFBibTeX XMLCite \textit{Vu Van Khuong}, Int. J. Math. Anal., Ruse 4, No. 13--16, 617--629 (2010; Zbl 1208.39016) Full Text: Link
Rao, A. Kameswara; Rao, S. Nageswara On the existence of positive solutions of nonlinear even order differential equations. (English) Zbl 1205.34026 Int. J. Math. Anal., Ruse 4, No. 5-8, 259-272 (2010). MSC: 34B18 34B15 34B10 47N20 PDFBibTeX XMLCite \textit{A. K. Rao} and \textit{S. N. Rao}, Int. J. Math. Anal., Ruse 4, No. 5--8, 259--272 (2010; Zbl 1205.34026) Full Text: Link
Qu, Haidong The symmetric positive solutions of four-point problems for nonlinear boundary value second-order differential equations. (English) Zbl 1204.34024 Int. J. Math. Anal., Ruse 3, No. 37-40, 1969-1979 (2009). MSC: 34B10 34B15 34B18 47N20 PDFBibTeX XMLCite \textit{H. Qu}, Int. J. Math. Anal., Ruse 3, No. 37--40, 1969--1979 (2009; Zbl 1204.34024) Full Text: EuDML Link
Vu Van Khuong Qualitative properties for a fourth-order rational difference equation. III. (English) Zbl 1208.39015 Int. J. Math. Anal., Ruse 3, No. 33-36, 1723-1733 (2009). Reviewer: Ondřej Došlý (Brno) MSC: 39A20 39A21 39A22 39A30 PDFBibTeX XMLCite \textit{Vu Van Khuong}, Int. J. Math. Anal., Ruse 3, No. 33--36, 1723--1733 (2009; Zbl 1208.39015) Full Text: Link
Vu Van Khuong Qualitative properties for a fourth-order rational difference equation. I. (English) Zbl 1206.39013 Int. J. Math. Anal., Ruse 3, No. 33-36, 1711-1722 (2009). Reviewer: Ondřej Došlý (Brno) MSC: 39A20 39A22 39A21 39A30 PDFBibTeX XMLCite \textit{Vu Van Khuong}, Int. J. Math. Anal., Ruse 3, No. 33--36, 1711--1722 (2009; Zbl 1206.39013) Full Text: Link
Wang, Baohe Positive solutions of operator equations on half-line. (English) Zbl 1182.34035 Int. J. Math. Anal., Ruse 3, No. 5-8, 211-220 (2009). Reviewer: Smail Djebali (Algiers) MSC: 34B18 34B15 34B40 47H10 PDFBibTeX XMLCite \textit{B. Wang}, Int. J. Math. Anal., Ruse 3, No. 5--8, 211--220 (2009; Zbl 1182.34035) Full Text: Link
Afrouzi, G. A.; Vahidi, J.; Rasouli, S. H. On critical exponent for existence of positive weak solutions for a class of semipositone problems involving the \(p\)-Laplacian operator. (English) Zbl 1175.35065 Int. J. Math. Anal., Ruse 2, No. 17-20, 993-998 (2008). MSC: 35J65 35B33 35D30 35J20 PDFBibTeX XMLCite \textit{G. A. Afrouzi} et al., Int. J. Math. Anal., Ruse 2, No. 17--20, 993--998 (2008; Zbl 1175.35065) Full Text: Link
Afrouzi, G. A.; Vahidi, J.; Rasouli, S. H. On critical exponent for existence of positive solutions for some semipositone problems involving the weight function. (English) Zbl 1175.35064 Int. J. Math. Anal., Ruse 2, No. 17-20, 987-991 (2008). MSC: 35J65 35J60 35J20 35B33 PDFBibTeX XMLCite \textit{G. A. Afrouzi} et al., Int. J. Math. Anal., Ruse 2, No. 17--20, 987--991 (2008; Zbl 1175.35064) Full Text: Link
Xu, Fuyi Triple positive solutions for higher order \(m\)-point \(p\)-Laplacian operator boundary value problems. (English) Zbl 1178.34031 Int. J. Math. Anal., Ruse 2, No. 17-20, 863-869 (2008). MSC: 34B18 34B10 47N20 PDFBibTeX XMLCite \textit{F. Xu}, Int. J. Math. Anal., Ruse 2, No. 17--20, 863--869 (2008; Zbl 1178.34031) Full Text: Link
Sun, Qinfu; Su, Hua; Luan, Shixia Higher-order dynamic delay differential equations on time scales. (English) Zbl 1162.34054 Int. J. Math. Anal., Ruse 1, No. 25-28, 1361-1375 (2007). Reviewer: Jurang Yan (Taiyuan) MSC: 34K10 39A10 PDFBibTeX XMLCite \textit{Q. Sun} et al., Int. J. Math. Anal., Ruse 1, No. 25--28, 1361--1375 (2007; Zbl 1162.34054)
Yan, Baoqiang; Timoney, Richard M. Positive solutions for nonlinear singular boundary value problems on the half line. (English) Zbl 1149.34011 Int. J. Math. Anal., Ruse 1, No. 21-24, 1189-1208 (2007). Reviewer: Petio S. Kelevedjiev (Sliven) MSC: 34B16 34B18 34B40 PDFBibTeX XMLCite \textit{B. Yan} and \textit{R. M. Timoney}, Int. J. Math. Anal., Ruse 1, No. 21--24, 1189--1208 (2007; Zbl 1149.34011)
Chen, Guoping; Shen, Jianhua Monotone iterative technique for a class of integro-differential equations with integral boundary conditions. (English) Zbl 1128.45007 Int. J. Math. Anal., Ruse 1, No. 1-4, 113-122 (2007). Reviewer: Kai Diethelm (Braunschweig) MSC: 45J05 45G10 45L05 45M20 PDFBibTeX XMLCite \textit{G. Chen} and \textit{J. Shen}, Int. J. Math. Anal., Ruse 1, No. 1--4, 113--122 (2007; Zbl 1128.45007)