| 2010 | Asymptotic behavior of A-harmonic functions and p-extremal length | 이용하 | Article |
| 2014 | Asymptotic Boundary Value Problem of Harmonic Maps via Harmonic Boundary | 이용하 | Article |
| 2005 | Asymptotic Dirichlet problem for harmonic maps on negatively curved manifolds | 이용하 | Article |
| 2007 | Asymptotic Dirichlet problem for the Schrödinger operator on 2-dimensional Cartan-Hadamard manifolds | 이용하 | Article |
| 2008 | Asymptotic Dirichlet problem for the Schrödinger operator on negatively curved manifolds | 이용하 | Article |
| 2005 | Asymptotic dirichlet problem for the schrödinger operator via rough isometry | 이용하 | Conference Paper |
| 2007 | Bounded solutions for the Schrodinger operator on Riemannian manifolds | 이용하 | Article |
| 2007 | Energy finite p-harmonic functions on graphs and rough isometries | 이용하 | Article |
| 2008 | Energy finite solutions of elliptic equations on Riemannian manifolds | 이용하 | Article |
| 2001 | Generalized Liouville property for Schrödinger operator on Riemannian manifolds | 이용하 | Article |
| 2012 | Maximum principle and comparison principle of p-harmonic functions via p-harmonic boundary of graphs | 이용하 | Article |
| 2004 | Polynomial growth harmonic functions on complete Riemannian manifolds | 이용하 | Article |
| 2003 | Rough isometry and energy finite solutions of the Schrödinger operator on graphs | 이용하 | Article |
| 2003 | Rough isometry and energy-finite solutions for the Schrodinger operator on Riemannian manifolds | 이용하 | Article |
| 2003 | Rough isometry and energy-finite solutions for the Schrödinger operator on Riemannian manifolds | 이용하 | Conference Paper |
| 2005 | Rough isometry and p-harmonic boundaries of complete Riemannian manifolds | 이영하; 이용하 | Article |
| 2010 | Rough isometry and the space of bounded energy finite solutions of the Schrödinger operator on graphs | 이용하 | Article |
| 2017 | Royden Decomposition for Harmonic Maps with Finite Total Energy | 이용하 | Article |
| 2001 | Solutions of a certain nonlinear elliptic equation on Riemannian manifolds | 이용하 | Article |
| 2017 | Uniqueness of solutions for the boundary value problem of certain nonlinear elliptic operators via p-harmonic boundary | 이용하 | Article |
| 2018 | UNIQUENESS OF SOLUTIONS OF A CERTAIN NONLINEAR ELLIPTIC EQUATION ON RIEMANNIAN MANIFOLDS | 이용하 | Article |
| 2020 | Uniqueness of the Boundary Value Problem of Harmonic Maps via Harmonic Boundary | 이용하 | Article |
