A necessary and sufficient condition for the existence of positive solutions to singular sublinear three-point boundary value problems. - Xinsheng Du; Zengqin Zhao (Appl. Math. Comput., 2007)

On existence theorems of positive solutions to nonlinear singular differential equations. - Xinsheng Du; Zengqin Zhao (Appl. Math. Comput., 2007)

Existence and uniqueness of positive solutions to a class of singular m-point boundary value problems. - Xinsheng Du; Zengqin Zhao (Appl. Math. Comput., 2008)

Solutions and Green's functions for some linear second-order three-point boundary value problems. - Zengqin Zhao (Comput. Math. Appl., 2008)

Exact solutions of a class of second-order nonlocal boundary value problems and applications. - Zengqin Zhao (Appl. Math. Comput., 2009)

Existence of fixed points for some convex operators and applications to multi-point boundary value problems. - Zengqin Zhao (Appl. Math. Comput., 2009)

Fixed points of decreasing operators in ordered Banach spaces and applications to nonlinear second order elliptic equations. - Zengqin Zhao; Xiangping Chen (Comput. Math. Appl., 2009)

Fixed points of tau-phi-convex operators and applications. - Zengqin Zhao (Appl. Math. Lett., 2010)

Positive solutions for third-order boundary value problems with change of signs. - Yanyan Wu; Zengqin Zhao (Appl. Math. Comput., 2011)

Positive solutions of semi-positone Hammerstein integral equations and applications. - Zengqin Zhao (Appl. Math. Comput., 2012)

Existence of 2m-1 Positive Solutions for Sturm-Liouville Boundary Value Problems with Linear Functional Boundary Conditions on the Half-Line. - Yanmei Sun; Zengqin Zhao (J. Appl. Math., 2012)

Existence and uniqueness of symmetric positive solutions of 2n2n-order nonlinear singular boundary value problems. - Xiuli Lin; Zengqin Zhao (Appl. Math. Lett., 2013)

Multiple solutions for impulsive problems with non-autonomous perturbations. - Jian Liu 013; Zengqin Zhao (Appl. Math. Lett., 2017)

Multiple solutions to damped Hamiltonian systems with impulsive effects. - Jian Liu 013; Zengqin Zhao; Tongqian Zhang (Appl. Math. Lett., 2019)

The unique iterative positive solution of fractional boundary value problem with q-difference. - Jinxiu Mao; Zengqin Zhao; Chenguang Wang (Appl. Math. Lett., 2020)

Bound state solutions for fractional Schrödinger-Poisson systems. - Xinsheng Du; Qi Li; Zengqin Zhao; Gen Li (Math. Found. Comput., 2022)

Leray-Lions type p(x)-biharmonic equations involving Hardy potentials. - Jian Liu 013; Zengqin Zhao (Appl. Math. Lett., 2024)