1. W. S. Gray, L. A. Duffaut Espinosa and M. Thitsa,“Left Inversion of Analytic Nonlinear SISO Systems via Formal Power Series Methods,”Automatica, vol. 50, 2014, pp. 2381- 2388.
2. M. Thitsa and W. S. Gray, “On the Radius of Convergence of Interconnected Analytic Nonlinear Input-Output Systems,” SIAM Journal of Control and Optimization, vol. 50, 2012, pp. 2786-2813.
3. W. S. Gray and M. Thitsa, “A Unified Approach to Generating Series for Cascaded Nonlinear Input-output Systems,” International Journal of Control, vol. 85, 2012, pp. 1737-1754.
4. M. Thitsa, Y. Song, and S. Albin, “Effect of Oxidation, Etching and Thin-Film Deposition on Silicon Photonic Crystals,” Journal of Electrochemical Society, vol. 155, 2008, H351-H356.
1. M. Thitsa and T. Q. Ta , “Determining upconversion parameters and invertibility of nonlinear dynamical systems,” Proc. Material Research Society, Boston, Massachusetts, 2014, to appear.
2. W. S.Gray, and M. Thitsa,L. A. Duffaut Espinosa “Pre-Lie Algebra Characterization of WISO Feedback Invariants,” Proc. Conference on Decision and Control, Los Angeles, California, 2014, pp. 4807-4813.
3. W. S. Gray, M. Thitsa and E. I. Verriest,“Functional Series Expansions for Nonlinear Input-Output Systems with Delay,”Proc. 19th World Congress of the International Federation of Automatic Control, Cape Town, South Africa, 2014, pp. 6794-6799.
4. W. S. Gray and M. Thitsa, “System Interconnections and Combinatorial Integer Sequences,” Proc. 45th IEEE Southeastern Symposium on System Theory, Waco, Texas, 2013, pp. 135-140..
5. M. Thitsa and W. S. Gray, “Controlling Actively Q-switched Laser Output by Nonlinear State Feedback,” Proc. 223rd Electrochemical Society Meeting, Toronto, Canada, 2013, vol. 53, no. 4, pp. 151-160, 2013.
6. W. S. Gray, M. Thitsa, and L. A. Duffaut Espinosa, ‘Left Inversion of Analytic SISO Systems via Formal Power Series Methods,’ Proc. 15th Latin American Control Con- ference, Lima, Peru, 2012.
7. M. Thitsa and W. S. Gray, “On the Radius of Convergence of Mixed Cascades of Analytic Nonlinear Input-Output Systems,” Proc. 44rd IEEE Southeastern Symposium on System Theory, Jacksonville, Florida, 2012, pp. 231-236.
8. M. Thitsa and W. S. Gray, “Volterra Series Analysis of Semiconductor Optical Amplifiers,” Proc. 46th Conference on Information Sciences and Systems, Princeton, New Jersey, 2012.
9. L. A. Duffaut Espinosa, W. S. Gray, and M. Thitsa, “Cascaded Fliess Operators with Rough Path Inputs,” Proc. 20th International Symposium on the Mathematical Theory of Networks and Systems, Melbourne, Australia, 2012.
10. L. A. Duffaut Espinosa, W. S. Gray, and M. Thitsa, “Cascaded Analytic Nonlinear Systems Driven By Rough Path Inputs,” Proc. 51st IEEE Conference on Decision and Control, Maui, Hawaii, 2012, pp. 1259-1264.
11. M. Thitsa and W. S. Gray, “On the radius of convergence of cascaded analytic nonlinear systems,” Proc. 50th IEEE Conference on Decision and Control and European Control Conference, pp. 3830-3835, Orlando, Florida, 2011 (invited).
12. M. Thitsa and W. S. Gray, “On the Radius of Convergence of Cascaded Analytic Nonlinear Systems,” Proc. 43rd IEEE Southeastern Symposium of System Theory, pp. 32-38, Auburn, Alabama, 2011.
13. W. S. Gray and M. Thitsa, “On the Radius of Convergence of Self-excited Feedback Connected Analytic Nonlinear Systems,” Proc. 49th IEEE Conference on Decision and Control, pp. 7092-7098, Atlanta, Georgia, 2010.
14. W. S. Gray and M. Thitsa, “On the Radius of Convergence of Self-Excited Feedback Connected Analytic Nonlinear Systems: The Local Case,” Proc. 42nd IEEE Southeast- ern Symposium of System Theory, pp. 116-121, Tyler, Texas, 2010.
15. M. Thitsa, T. Nguyen, and S. Albin, “Multiple Defect Modes in Diamond Photonic Crystal,” ECS Transactions, vol 16, pp. 71-77, Honolulu, Hawaii, 2009.
16. M. Thitsa and S. Albin, “Band Gap Tuning of Macro-Porous Si Photonic Crystals by Thermally Grown SiO2 Interfacial Layer,” ECS Transactions, vol. 11, pp. 1-9, Washington DC, 2008.
17. M. Thitsa and S. Albin, “Enhanced Band Gap and Defect Structure of Low Dielectric Photonic Crystals Using ALD Coatings,” ECS Transactions, vol. 16, pp. 321-327, Honolulu, Hawaii, 2008.
18. M. Thtisa, D. Gu, H. Baumgart, and S. Albin, “Tuning the Absolute Band Gap of Silicon Photonic Crystals by Atomic Layer Deposition (ALD) Interfacial Layers,” ECS Transactions, vol. 11, pp. 259-267, Washington DC, 2007.
19. M. Thitsa, H. Ali, F. Wu, K. Peters, and S. Albin, “Modeling the Effect of Oxidation
and Etching of Silicon Photonic Crystals,” Multiscale Modeling of Materials, Material
Research Society Symposium Proceedings, 978E, Boston, Massachusetts, 2007.