CipherLocker: Encrypted File Sharing with Ranked Search https: //cipherlocker.com. - Jan Kasiak; Bogdan Carbunar; Jake Christensen; Maria Lyukova; Sumeet Bajaj; Mike Boruta; Radu Sion; Viorel Popescu; Alex Sorodoc; Gabriel Stan (CCS, 2018)

Some Fixed Point Theorems for Quadratic Quasicontractive Mappings. - Ovidiu Popescu; Gabriel Stan (Symmetry, 2019)

Two Fixed Point Theorems Concerning F-Contraction in Complete Metric Spaces. - Ovidiu Popescu; Gabriel Stan (Symmetry, 2020)

Some Fixed Point Theorems for (a-p)-Quasicontractions. - Ovidiu Popescu; Gabriel Stan (Symmetry, 2020)