The parity of the number of irreducible factors for some pentanomials. - Wolfram Koepf; Ryul Kim (Finite Fields Their Appl., 2009)

Parity of the number of irreducible factors for composite polynomials. - Ryul Kim; Wolfram Koepf (Finite Fields Their Appl., 2010)

Upper Bounds on the Number of Codewords of Some Separating Codes - Ryul Kim; Myongson Sihn; Okhyon Song (CoRR, 2012)

Some Properties of Generalized Self-reciprocal Polynomials over Finite Fields - Ryul Kim; Okhyon Song; Hyon-Chol Ri (CoRR, 2013)

The number of irreducible polynomials over finite fields of characteristic 2 with given trace and subtrace. - Won-Ho Ri; Gum-Chol Myong; Ryul Kim; Chang-Il Rim (Finite Fields Their Appl., 2014)

Some new results on equivalency of collusion-secure properties for Reed-Solomon codes. - Myong-Son Sin; Ryul Kim (IET Inf. Secur., 2015)

Constructing new differentially 4-uniform permutations from known ones. - Yongho Sin; Kwangyon Kim; Ryul Kim; Songchol Han (Finite Fields Their Appl., 2020)

Some relations between the irreducible polynomials over a finite field and its quadratic extension. - Ryul Kim (Discret. Appl. Math., 2024)

A Transformation Preserving the Dimension and Minimum Weight of Cyclic Codes. - Ryul Kim; Un Ye Kim (Probl. Inf. Transm., 2024)