Multigrid Algorithms for Nonconforming and Mixed Methods for Nonsymmetric and Indefinite Problems. - Zhangxin Chen; Do-Young Kwak 001; Yoon J. Yon (SIAM J. Sci. Comput., 1998)

Multigrid algorithm for cell centered finite difference on triangular meshes. - Do Y. Kwak 001; Hyun J. Kwon; Sungyun Lee (Appl. Math. Comput., 1999)

Mixed Upwinding Covolume Methods on Rectangular Grids for Convection-Diffusion Problems. - So-Hsiang Chou; Do Y. Kwak 001; Panayot S. Vassilevski (SIAM J. Sci. Comput., 1999)

V-Cycle Multigrid for Cell-Centered Finite Differences. - Do Y. Kwak 001 (SIAM J. Sci. Comput., 1999)

Mixed Covolume Methods on Rectangular Grids For Elliptic Problems. - So-Hsiang Chou; Do Y. Kwak 001 (SIAM J. Numer. Anal., 2000)

Mixed Covolume Methods for Quasi-Linear Second-Order Elliptic Problems. - Do Y. Kwak 001; Kwang Y. Kim (SIAM J. Numer. Anal., 2000)

A General Framework for Constructing and Analyzing Mixed Finite Volume Methods on Quadrilateral Grids: The Overlapping Covolume Case. - So-Hsiang Chou; Do Y. Kwak 001; Kwang Y. Kim (SIAM J. Numer. Anal., 2001)

Multigrid algorithms for a vertex-centered covolume method for elliptic problems. - So-Hsiang Chou; Do Y. Kwak 001 (Numerische Mathematik, 2002)

Accuracy and Convergence Properties of the Finite Difference Multigrid Solution of an Optimal Control Optimality System. - Alfio Borzì; Karl Kunisch; Do Y. Kwak 001 (SIAM J. Control. Optim., 2002)

Flux Recovery from Primal Hybrid Finite Element Methods. - So-Hsiang Chou; Do Y. Kwak 001; Kwang Y. Kim (SIAM J. Numer. Anal., 2002)

Mixed finite volume methods on nonstaggered quadrilateral grids for elliptic problems. - So-Hsiang Chou; Do Y. Kwak 001; Kwang Y. Kim (Math. Comput., 2003)

Domain decomposition for model heterogeneous anisotropic problem. - Do Y. Kwak 001; Sergey V. Nepomnyaschikh; Hyun Chan Pyo (Numer. Linear Algebra Appl., 2003)

Multigrid analysis for higher order finite difference scheme. - Do-Young Kwak 001; J. S. Lee (J. Num. Math., 2004)

Characteristic-mixed covolume methods for advection-dominated diffusion problems. - Zhangxin Chen; So-Hsiang Chou; Do-Young Kwak 001 (Numer. Linear Algebra Appl., 2006)

A nonconforming covolume method for elliptic problems. - Yun K. Hyon; Ho J. Jang; Do Y. Kwak 001 (Appl. Math. Comput., 2008)

Block iterative solvers for higher order finite volume methods. - Do Y. Kwak 001; Hijin Lee (J. Comput. Appl. Math., 2009)

Optimal convergence analysis of an immersed interface finite element method. - So-Hsiang Chou; Do Y. Kwak 001; Kye T. Wee (Adv. Comput. Math., 2010)

An Analysis of a Broken P1-Nonconforming Finite Element Method for Interface Problems. - Do Y. Kwak 001; Kye T. Wee; Kwang S. Chang (SIAM J. Numer. Anal., 2010)

Mixed finite element methods for general quadrilateral grids. - Do Y. Kwak 001; Hyun Chan Pyo (Appl. Math. Comput., 2011)

Superconvergence of new mixed finite element spaces. - YunKyong Hyon; Do-Young Kwak 001 (J. Comput. Appl. Math., 2011)

A New Class of Higher Order Mixed Finite Volume Methods for Elliptic Problems. - Do Y. Kwak 001 (SIAM J. Numer. Anal., 2012)

New curl conforming finite elements on parallelepiped. - J. H. Kim; Do Young Kwak 001 (Numerische Mathematik, 2015)

Generalized OFDM for 5th Generation Mobile Communications. - Myungsup Kim; Do-Young Kwak 001 (VTC Spring, 2017)

Immersed finite element method for eigenvalue problem. - Seungwoo Lee; Do Y. Kwak 001; Imbo Sim (J. Comput. Appl. Math., 2017)

Erratum: An Analysis of a Broken P_1-Nonconforming Finite Element Method for Interface Problems. - Do Y. Kwak 001; Kye T. Wee; Kwang S. Chang (SIAM J. Numer. Anal., 2017)

Spectrally Efficient Orthogonal Frequency Division Multiplexing with Cyclic Prefix and Postfix, and Pilots. - Myungsup Kim; Do-Young Kwak 001; Ji-Won Jung; Ki-Man Kim; Wan-Jin Kim (ICTC, 2018)

Geometric multigrid algorithms for elliptic interface problems using structured grids. - Gwanghyun Jo; Do Young Kwak 001 (Numer. Algorithms, 2019)

Spectral Encapsulation to Block the Out-of-Band Emission of OFDM Signals for Future Communications. - Myungsup Kim; Do-Young Kwak 001; Ji-Won Jung; Ki-Man Kim; Wan-Jin Kim (VTC Spring, 2020)

A Reduced Crouzeix-Raviart Immersed Finite Element Method for Elasticity Problems with Interfaces. - Gwanghyun Jo; Do Young Kwak 001 (Comput. Methods Appl. Math., 2020)

A Semi-Uniform Multigrid Algorithm for Solving Elliptic Interface Problems. - Gwanghyun Jo; Do Young Kwak 001 (Comput. Methods Appl. Math., 2021)

Lowest-order virtual element methods for linear elasticity problems. - Do-Young Kwak 001; Hyeokjoo Park (CoRR, 2021)

Discontinuous bubble immersed finite element method for Poisson-Boltzmann-Nernst-Planck model. - In Kwon; Do Young Kwak 001; Gwanghyun Jo (J. Comput. Phys., 2021)

Locally Conservative Immersed Finite Element Method for Elliptic Interface Problems. - Gwanghyun Jo; Do Young Kwak 001; Young Ju Lee (J. Sci. Comput., 2021)

Mixed virtual volume methods for elliptic problems. - Gwanghyun Jo; Do-Young Kwak 001 (Comput. Math. Appl., 2022)

A formal construction of a divergence-free basis in the nonconforming virtual element method for the Stokes problem. - Do-Young Kwak 001; Hyeokjoo Park (Numer. Algorithms, 2022)

Locally conservative discontinuous bubble scheme for Darcy flow and its application to Hele-Shaw equation based on structured grids. - Yoonjeong Choi; Gwanghyun Jo; Do-Young Kwak 001; Young Ju Lee (Numer. Algorithms, 2023)

An immersed weak Galerkin method for elliptic interface problems on polygonal meshes. - Hyeokjoo Park; Do Y. Kwak 001 (Comput. Math. Appl., 2023)

A New Immersed Finite Element Method for Two-Phase Stokes Problems Having Discontinuous Pressure. - Gwanghyun Jo; Do Y. Kwak 001 (Comput. Methods Appl. Math., 2024)