Neighbor Node Discovery Algorithm for Energy-Efficient Clustering in Ubiquitious Sensor Networks. - Ji Young Choi; Chung Gu Kang 001; Yong-Suk Kim; Kyeong Hur (EUC Workshops, 2005)

Reciprocity for multirestricted Stirling numbers. - Ji Young Choi; Ling Long; Siu-Hung Ng; Jonathan Smith (J. Comb. Theory A, 2006)

Multi-Restrained Stirling Numbers. - Ji Young Choi (Ars Comb., 2015)

Ternary Modified Collatz Sequences And Jacobsthal Numbers. - Ji Young Choi (J. Integer Seq., 2016)

A Generalization of Collatz Functions and Jacobsthal Numbers. - Ji Young Choi (J. Integer Seq., 2018)

Digit Sums Generalizing Binomial Coefficients. - Ji Young Choi (J. Integer Seq., 2019)