Application of Legendre-Bernstein basis transformations to degree elevation and degree reduction. - Byung-Gook Lee; Yunbeom Park; Jaechil Yoo (Comput. Aided Geom. Des., 2002)

Constrained polynomial degree reduction in the L2-norm equals best weighted Euclidean approximation of Bézier coefficients. - Young Joon Ahn; Byung-Gook Lee; Yunbeom Park; Jaechil Yoo (Comput. Aided Geom. Des., 2004)

An Efficient Scattered Data Approximation Using Multilevel B-Splines Based on Quasi-Interpolants. - Byung-Gook Lee; Joon-Jae Lee; Jaechil Yoo (3DIM, 2005)

3D Surface Reconstruction from Scattered Data Using Moving Least Square Method. - Soon-Jeong Ahn; Jaechil Yoo; Byung-Gook Lee; Joon-Jae Lee (ICIAP, 2005)

A simple matrix form for degree reduction of Bézier curves using Chebyshev-Bernstein basis transformations. - Abedallah M. Rababah; Byung-Gook Lee; Jaechil Yoo (Appl. Math. Comput., 2006)

An algorithm for constructing magic squares. - Yangkok Kim; Jaechil Yoo (Discret. Appl. Math., 2008)