Rectilinear shortest paths with rectangular barriers. - Pedro Jussieu de Rezende; D. T. Lee; Ying-Fung Wu (SCG, 1985)

Distance problems in computational geometry with fixed orientations. - Peter Widmayer; Ying-Fung Wu; C. K. Wong (SCG, 1985)

A Faster Approximation Algorithm for the Steiner Problem in Graphs. - Ying-Fung Wu; Peter Widmayer; C. K. Wong (Acta Informatica, 1986)

Geometric Complexity of Some Loction Problems. - D. T. Lee; Ying-Fung Wu (Algorithmica, 1986)

On some union and intersection problems for polygons with fixed orientations. - Peter Widmayer; Ying-Fung Wu; Martine D. F. Schlag; Chak-Kuen Wong (Computing, 1986)

On Some Distance Problems in Fixed Orientations. - Peter Widmayer; Ying-Fung Wu; C. K. Wong (SIAM J. Comput., 1987)

Rectilinear Shortest Paths and Minimum Spanning Trees in the Presence of Rectilinear Obstacles. - Ying-Fung Wu; Peter Widmayer; Martine D. F. Schlag; C. K. Wong (IEEE Trans. Computers, 1987)

Rectilinear Shortest Paths in the presence of Rectangular Barriers. - Pedro Jussieu de Rezende; D. T. Lee; Ying-Fung Wu (Discret. Comput. Geom., 1989)

Minimum Cuts for Circular-Arc Graphs. - D. T. Lee; Majid Sarrafzadeh; Ying-Fung Wu (SIAM J. Comput., 1990)