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Department of Mathematical Sciences
145 McPheeters-Dennis Hall
Clark Atlanta University
223 James P. Brawley Drive, S.W.
Atlanta, GA 30314

Ms. Lakeisha Jackson
Administrative Assistant
Phone: 404-880-8199
Fax: 404-880-8109

Fisseha AbebePh.D., University of Toronto (Statistics), 1994, Associate Professor.
Research Interests: Likelihood asymptotic theory. Statistics Modeling, Qualitative Analysis, Bioinformatics.
Selected Publications: Abebe, Cakmak, Cheah, Fraser, Kuhn and Reid (1995), "Third Order Asymptotic Model : Exponential and Location Type Approximations. Parisankhyan Samikkha 2, pp. 25-35. Abebe, Fraser and Reid (1996), Nonlinear Regression: Third Order Significance. Utilitas Mathematics 9, pp.3-19. Bigby, Seffens and Abebe (2002). Runs of amino acids are longer than expected in proteins based on a graph theory representation of a genetic code, " Journal of Biological Systems, Vol 10. Mp. 4 pp. 319-335.

Gary ChungPh.D., Purdue University (Mathematics), 1980 Associate Professor.
Research Interests: Numerical analysis, control and signal processing. 
Selected Publications: "Control of a Linear Hereditary System. Neural Parallel and Scientific Computations," I (1995), 106-109. "Minimum Time Null Controllability of Duffing Oscillator," Proceedings of Dynamic Systems and Applications, I (1994), 73-80. "Optimality Conditions for Functional Differential Control Systems," Proceedings of Dynamic Systems and Applications, I (1994), 81-85. "A Neural Network Approach for Solving Certain Control Problems, Neural Parallel & Scientific Computations," I (1993), 371-380. "The Hardy-Littlewood Maximal Operator on Weighted Lorentz Spaces," Proceedings National Science Council R.O.C. 7 (1983) No. 3, 283-287. "The Hardy-Littlewood Maximal Function on L (p,q) Spaces with Weights," Indiana University Math J, 31 (1982) No. 1, 109-120, MR 83b; 42021.

Bettye M. Clark, Ed.D., Mathematics Education, University of Houston, 1976, MS, Mathematics Education, and Instructional Supervision (IS), University of Georgia, 1971; Postdoctoral Studies: Educational Management, University of Houston, 1982-1984, Professor.
Positions Held: Chair of Mathematics and Computer Science Department, Director of Mathematics Resource and Technology Center (MRTC), Associate Provost and Executive Director of Distance Learning, Coordinator of Undergraduate Program in Mathematics.
Research Interest: Intuitive Geometry, Mathematical Preparation of Teachers, Technology Infusion into Mathematics Courses, Increasing Minority Participation in Mathematics and Mathematics Education, Student Achievement in Traditional Versus e-Learning Courses in Mathematics.
Selected Publications: Clark, B., Smith, B., Practice for the Basic Skills Examination, Contemporary Publishing, 1980, Clark, B., & Creswell, J., Ratings of Teacher Nonverbal Behavior as Predicted by the Presence of the Nonverbal Cues Identified by Participants and Nonparticipants, Journal of Classroom Interaction, 31-35, 1980, Clark B., Smith, B., Practice for the Basic Skills Examination, 2nd Edition, Contemporary Publishing Co., 1982, Clark, Bettye M., Committee on the Mathematical Education of Teachers, UME Trends, 1994, Clark, Bettye M., Professional Standards for Teaching Mathematics, National Council of Teachers of Mathematics (Working Group Member), 1990, Clark, Bettye M., Paradigm Shift on the Mathematical Education of Teachers, Focus: Mathematics Association of America,1995.
Grants: Pre-college Programs in Math and Science (FIPSE), Future Teachers of Math and Science (FTMS, NSF), The Georgia Initiative in Math and Science (NSF), Statewide Conference for Teachers of Minorities in Math and Science (Eisenhower Program, NSF), Eminent Scholar in Distance Learning and Distance Learning Center (GRA), BS/MST in Mathematics for Middle Grades and Secondary Certification (NSF), Clinical Experience for Math Teachers in Selected Local Educational Agencies (LEAs), Faculty Fellows Program in Technology (UNCF), Distance Learning Program Development (Lilly Foundation), Atlanta Center for Teachers (ACT), Exxon and General Mills, Faculty Advancement Program in Technology (UNCF).
Temesgen KebedePh.D., University of California, Irvine (Mathematical/ Theoretical Physics), 1991, Assistant Professor.
Research Interests: Non-Linear Dynamical Systems, Theoretical/Mathematical Physics.                                                                                                                   Selected Publications: T. Kebede, A Simple MATLAB Code to Calculate the Liapunov Exponent of Discrete Maps (Intellect-Base International Consortium Academic Conference October 23-25, 2014 Atlanta      Georgia) Volume 36 Page 197-200. Published also in JAGR Volume 7, Issue 20.                                                                                             T. Kebede, F. Abebe, C. Pierre, G. Chung, 2013, Simulating Fixed Point Properties of a Two Dimensional Dynamical Systems,  Journal of Applied Global Research, (2013) Volume 5, Issue 15 Page 29-40.                                                                                                                                                                                                                T. Kebede , N. Medhin, 1998, Josephson Junction as a Dynamical System, Boeing Office of Research and Development Technical Report.                                                      “Numerical Testing of Conjunctures on the Scaling Properties of Discrete Maps” to be submitted to JAGR.                                                                                                       T. Kebede, M. Bander, 1992, Contributions of Fermions and Bosons to the Action of the Robertson Walker Metric. Phys.Rev.D.40, 3606, 1992.

Charles B. PierrePh.D., Interim Chair, American University (Mathematics Education/ Mathematics) 1992, Associate Professor.
Research Interests: Operations Research and Analytics, Chaotic Dynamical Systems, Statistics, Statistical Quality Control, Statistical Process Control, history of mathematics, Mathematics Education, the Cantor set-properties and applications, other fractal sets
Selected Publications: Pierre, C., Chung, G., Abebe, F., Kebede, T. “ Using tools, properties and models of Complexity Theory in Interdisciplinary Research.”  Proceedings of the October 2012 Intellect base Multi-Disciplinary Academic Conference in Atlanta, Georgia, USA.  Atlanta, GA:  The Intellect base International Academic Consortium.  (October 18-20, 2012).  Pierre, C.B.  “Applications of models of Complexity Theory and Interdisciplinary Research.”  European Journal of Science and Technology, vol.1 (2).  Center for Enhancing Knowledge (CEK), UK   (July, 2012). Pierre, C., Chung, G., Abebe, F., Kebede, T.  “An Emergent Model:  A
Vehicle for Research Methods and Research Activities.”  Proceedings of the 3rd International Multi-Conference on Complexity, Informatics and Cybernetics. Orlando, FL:  The International Institute of Informatics and Systems.  (March 25-28, 2012).  Pierre, C.B., et. al.  “Designing Fractal Geometric Antenna Models for Fabrication” (nonrefereed). Report/article of a 10-week research project at the Oak Ridge National Laboratories, Oak Ridge, Tennessee. Funded by DOE, DOD, NRC, ORISE, and ORNL. (2002, July).  Pierre, C.B.," Assessing and improving the overall performance of a university classroom using statistical process control (SPC): a quality management system for teacher improvement," Proceedings of the 12th International Conference on Assessing Quality in Higher Education (AQHE), RMIT University, Melbourne, Australia, June, 2000.  Pierre, C. B., "Improving academic processes in higher education," International Journal of Innovative Higher Education, Vol. 13, November 1996.  Pierre, C. B., "Applications of TQM and SPC," International Journal of Innovative Higher Education, Vol. 12, The International Council in Higher Education,1995. Pierre, C. B., and Mathis, D., "Statistical process control and cooperative learning structures: a data assessment and improvement system used in a San Jose State University Summer Bridge Programme, "European Journal of Engineering Education, Vol. 20(3).

Sandra RuckerPh.D., Georgia State University (Mathematics Education), 1997, Associate Professor. 
Research Interests: Differential equations, learning theory, and teacher professional development.                                                                                                                                                                                                                              
Selected Publications: S. A. Rucker, “Leah-Cosine and Sine Functions: Definitions and Elementary Properties”, in Abba B. Gumel(editor), Mathematics of Continuous and Discrete Dynamical Systems (American Mathematical Society Contemporary Mathematics Series, Providence, RI; 2014) pps. 265-280.                                                          R.E. Mickens, S. Rucker, “Exact Solutions to the Linear Goursat Equation and a NSFD scheme”, in Proceedings of Dynamic Systems and Applications , Volume 5 (2008), 322-324. R.E. Mickens, K. Odeyeji, S.Rucker, "Exact Finite Difference Schemes for Second Order, Linear O.D.E.'s having constant coefficients", Journal of Sound and Vibration, Volume 287 (2005), 1052-1056.                                                                                                                                                                                                                           Sandra Rucker, “Exact Finite Difference Scheme for an Advection Reaction Equation”, Journal of Difference Equations and Applications, Volume 9, #11 ( 2003) 1007-1013.      Email: srucker@cau.com

Hui Wu, Ph.D., New Jersey institute of Technology math department, 2011.                                                                                                                                    Research Interest: Numerical Simulations for dynamical systems and mathematical modeling.                                                                                                         Selected publications: Swing, release, and escape mechanisms contribute to the generation of phase-locked cluster patterns in a globally coupled FitzHugh-Nagumo model. Physical Review E 12/2012; 86(6-2):066207                                                                                                                                                                                    Dynamic mechanisms of generation of oscillatory cluster patterns in a globally coupled chemical system The Journal of Chemical Physics 09/2012; 137(10):104908.                     Email: hwu@cau.edu