Two Squares Canonical Factorization. - Haoyue Bai 005; Frantisek Franek; William F. Smyth (Stringology, 2014)

On a lemma of Crochemore and Rytter. - Haoyue Bai 005; Antoine Deza; Frantisek Franek (J. Discrete Algorithms, 2015)

The New Periodicity Lemma revisited. - Haoyue Bai 005; Frantisek Franek; William F. Smyth (Discret. Appl. Math., 2016)

Corrigendum to "On a lemma of Crochemore and Rytter" [Journal of Discrete Algorithms 34 (2015) 18-22]. - Haoyue Bai 005; Antoine Deza; Frantisek Franek (J. Discrete Algorithms, 2016)