Hsien-Chih Chang

Hsien-Chih Chang is an Assistant Professor in the Department of Computer Science at Dartmouth College. His research explores computational topology, geometry, and graph algorithms, focusing on efficient solutions for geometric and topological problems involving surfaces, curves, and planar graphs.

Research interests include:

• Algorithmic approaches to topological problems
• Efficient geometric computation
• Graph embedding and optimization
• Surface and curve manipulation

Recent publications develop novel algorithms for curve manipulation on surfaces, graph distance approximation, and geometric validation problems. His work combines theoretical computer science with practical applications in geometric modeling.