Periodic representations and rational approximations of square roots. - Marco Abrate; Stefano Barbero; Umberto Cerruti; Nadir Murru (J. Approx. Theory, 2013)

Colored compositions, Invert operator and elegant compositions with the "black tie". - Marco Abrate; Stefano Barbero; Umberto Cerruti; Nadir Murru (Discret. Math., 2014)

Dickson Polynomials, Chebyshev Polynomials, and Some Conjectures of Jeffery. - Stefano Barbero (J. Integer Seq., 2014)

Polynomial Sequences on Quadratic Curves. - Marco Abrate; Stefano Barbero; Umberto Cerruti; Nadir Murru (Integers, 2015)

Approximations of Algebraic Irrationalities with Matrices. - Stefano Barbero; Umberto Cerruti; Nadir Murru (Exp. Math., 2021)

Periodic representations for quadratic irrationals in the field of p-adic numbers. - Stefano Barbero; Umberto Cerruti; Nadir Murru (Math. Comput., 2021)

Practical complexities of probabilistic algorithms for solving Boolean polynomial systems. - Stefano Barbero; Emanuele Bellini 002; Carlo Sanna; Javier A. Verbel (Discret. Appl. Math., 2022)

Rotational Cryptanalysis on ChaCha Stream Cipher. - Stefano Barbero; Danilo Bazzanella; Emanuele Bellini 002 (Symmetry, 2022)

Rotational analysis of ChaCha permutation. - Stefano Barbero; Emanuele Bellini 002; Rusydi H. Makarim (Adv. Math. Commun., 2023)

Periodic Representations and Approximations of p -adic Numbers Via Continued Fractions. - Stefano Barbero; Umberto Cerruti; Nadir Murru (Exp. Math., 2024)

MiRitH: Efficient Post-Quantum Signatures from MinRank in the Head. - Gora Adj; Stefano Barbero; Emanuele Bellini 002; Andre Esser 001; Luis Rivera-Zamarripa; Carlo Sanna; Javier A. Verbel; Floyd Zweydinger (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2024)