1. 2025 Unified-Mathematical Form of Successfully Non-Convex Regularization for
   Enhancing Sparse Signals

Kittisuwan P. and Dancholvichit N.

Fluctuation and Noise Letters, 24(6): 2550058 (14 pages).

2. 2025 Solving Linear Problem via Mixture Regularization

Kittisuwan P., Siwapornanan C. and Akkaraekthalin P.

Journal of Interdisciplinary Mathematics, 28(5): 2045-2057.

3. 2025 Improved Low-Rank Matrix Approximation in Multivariate Case

Kittisuwan P. and Akkaraekthalin P.

International Journal of Computational Methods, 22(1): 2450044 (12 pages).

4. 2023 Relation between Penalized Least Squares Regression and Bayesian Estimation in AWGN Based on Novel Penalty Function of Pareto Density Kittisuwan P. ICT Express, 9: 326-332.