教授，博士

Professor, PhD in Mathematical Science 

学术职务Academic Positions

1997 - 至今 北卡罗来纳大学威明顿分校，教授

1997 - present University of North Carolina Wilmington,  Professor of Mathematics

1990 - 1994北卡罗来纳大学威明顿分校，数学助理教授

1990 - 1994 University of North Carolina Wilmington, Assistant Professor of Mathematics

1990- 1994北卡罗来纳大学威明顿分校，数学助理教授

1990 - 1994 University of North Carolina Wilmington, Assistant Professor of Mathematics

1988-1990北卡罗来纳大学威明顿分校，访问教授

1988 - 1990 University of North Carolina Wilmington, Visiting Professor

教育经历 Degrees

约翰霍普金斯大学，博士

The Johns Hopkins University，PhD in Mathematical Sciences

约翰霍普金斯大学，硕士

The Johns Hopkins University，M.S.E.in Mathematical Sciences

国立交通大学，学士

National Chiao-Tung University，B.S. Applied Mathematics

研究兴趣 Research Interests

数学规划，运筹学，网络优化， 全局优化，编码理论

Mathematical Programming, Operations Research, Network Optimization, Global Optimization, Coding Theory

近期发表论文Research and Publications Selections

Permanence and Coexistence in a Diffusive Complex Ratio-dependent Food Chain, Y. Chang, W. Feng, M. Freeze, and X. Lu. International Journal of Dynamics and Control. Vol. 3, No. 3, 262-274, 2015.

Functional Data Analysis in the Use of Eyebrow Shape as a Biometric Indicator in Face Recognition. Wang, M. Albert, C. Chen, and Y. Chang. International Journal of Biometrics. Vol. 6, No. 2, 166-179, 2014.

Analysis of Dynamics in a Complex Food Chain with Ratio Dependent Functional Response, M. Freeze, Y. Chang, and W. Feng. Journal of Applied Analysis and Computation. Vol. 4, No. 1, 69-87, 2014.

Eyebrow Shape Analysis by Using a Modified Functional Curve Procrustes Distance, Y. Wang, C. Chen, M. Albert, Y. Chang, and K. Ricanek. Proceedings of the IEEE Conference on Biometrics: Theory, Applications, and Systems (BTAS), 1-7, 2013.

A Memetic Algorithm for the Min-Max Capacitated Vehicle Routing Problems, Y. Chang, T. Parker*, and D. Guo. Proceedings of International Conference on Applied Mathematics and Sustainable Development, 2012 Spring World Congress on Engineering and Technology, 199-202, 2012.

Sensitivity Analysis with Cross-validation for Feature Selection and Manifold Learning, C. Chen, Y. Wang, Y. Chang, and K. Ricanek. Proceedings of the Ninth International Conference on Advances in Neural Networks. 2012 International Symposium on Neural Networks. Vol. 1, 458-467, 2012.

Improved Image-based Automatic Gender Classification by Feature Selection, Y. Chang, Y. Wang, C. Chen, and K. Ricanek. Journal of Artificial Intelligence and Soft Computing Research, vol. 1, No. 3, 241-253, 2011.

Feature Selection for Improved Automatic Gender Classification, Y. Chang, Y. Wang, C. Chen, and K. Ricanek. Proceedings of the IEEE Workshop: Computational Intelligence in Biometrics and Identity Management. 29-35, 2011.