Papers and Talks

Publications

1. Dylan Wheeler, ET, and Balasubramaniam Natarajan, “Semantic Communication with Conceptual Spaces”, IEEE Communications Letters, 2022.  IEEE - arXiv:2210.01629

2. Ashley Prater-Bennette*, Lixin Shen*, and ET*, “The Proximity Operator of the Log-Sum Penalty”, Journal of Scientific Computing, vol. 93, 2022. Journal of Scientific Computing

3. Tian Tong, Cong Ma, Ashley Prater-Bennette, ET, and Yuejie Chi, “Scaling and Scalability: Provable Nonconvex Low-Rank Tensor Estimation from Incomplete Measurements”, Journal of Machine Learning Research, vol. 23, 2022. JMLR

4. Nathan Inkawhich, Matthew J. Inkawhich, Eric K. Davis, Uttam K. Majumder, ET, Chris Capraro, and Yiran Chen, “Bridging a Gap in SAR-ATR: Training on Fully Synthetic and Testing on Measured Data”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 14, 2021. IEEE

5. Lixin Shen*, Bruce W. Suter*, and ET*, “Algorithmic Versatility of SPF-Regularization Methods”, Analysis and Applications, vol. 19 (1), 2021. Analysis and Applications - arXiv:1909.05419  

6. Lixin Shen*, Bruce W. Suter*, and ET*, “Structured Sparsity Promoting Functions”, Journal of Optimization Theory and Applications, Vol. 183, 2019. JOTA - arXiv:1809.06777 

7. ET, “Structured Sparsity Promoting Functions: Theory and Applications”, PhD Dissertation, 2019.

Preprints

1. Ashley Prater-Bennette*, Lixin Shen*, and ET*, "A Constructive Approach for Computing the Proximity Operator of the p-th Power of the l_1-norm", preprint (submitted), 2022.

2. Bowen Li, Suya Wu, ET, Ali Pezeshki, and Vahid Tarokh, "Minimax Concave Penalty Regularized Online Adaptive System Identification”, preprint (submitted), 2022.

3. Dylan Wheeler, ET, and Balasubramaniam Natarajan, “Asynchronous Multiuser Detection for SCMA with Unknown Delays: A Compressed Sensing Approach”, preprint, 2022. arXiv:2208.06307

Talks

• "Indentifying Low-Dimensional Structure for Functional Compression," AFOSR EM Portfolio Review, January 2023. slides

• “A Brief Survey of Sparse Optimization,” SIAM Conference on Imaging Science, Sparse Optimization in Image and Signal Processiong Minisymposium, March 2022. slides

• “Sparse Regularization with the Log-Sum Function,” AFOSR Electromagnetics Portfolio Review, January 2022. 

• “Structure in Nonconvex Optimization,” Waveform Design Center of Excellence Technical Talk, June 2021. slides

• “Structured Penalties for Nonconvex Sparse Optimization,” Mohawk Valley IEEE Section Meeting, December 2020.

• “Panda + Nematode = Gibbon: An Introduction to Adversarial Machine Learning,” Colloquium, Elmhurst University Department of Mathematics, November 2020.

• “Structured Sparsity Promoting Functions,” 43rd Annual SIAM Southeastern Atlantic Section Meeting, Fast Algorithms, Sparsity and Approximation Minisymposium, September 2019. slides

• “Image Processing and Optimization,”  University of Wisconsin, Superior Math Club, November 2018. slides 

• “Fast Algorithms for Data Recovery,” New York Regional Graduate Mathematics Conference, Syracuse University, April 2017.