Semi-Symmetric Sparse Projection R package sssp version 0.1.0 Computes the exact joint sparsity and group sparsity projection using the Semi-symmetric Sparse Projection algorithm of J. Shen and S. Damadi, "Sparse projection onto semi-symmetric sets with applications to sparse optimization", Journal of Global Optimization (2026), <doi:10.1007/s10898-026-01592-y>. Software Suggests: knitr, rmarkdown Saeed Damadi <sparsification@gmail.com> Comprehensive R Archive Network (CRAN) Saeed Damadi [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=sssp/LICENSE) 2026-09-05 application/tgz https://CRAN.R-project.org/package=sssp doi:10.32614/CRAN.package.sssp