Graph classes related to chordal graphs and chordal bipartite graphs. - Nguyen Ngoc Tuy; Jörg Bornemann; Van Bang Le (Electron. Notes Discret. Math., 2006)

Computing Graph Roots Without Short Cycles. - Babak Farzad; Lap Chi Lau; Van Bang Le; Nguyen Ngoc Tuy (STACS, 2009)

Hardness Results and Efficient Algorithms for Graph Powers. - Van Bang Le; Nguyen Ngoc Tuy (WG, 2009)

Graph Powers: Hardness Results, Good Characterizations and Efficient Algorithms - Nguyen Ngoc Tuy (2009)

The square of a block graph. - Van Bang Le; Nguyen Ngoc Tuy (Discret. Math., 2010)

A good characterization of squares of strongly chordal split graphs. - Van Bang Le; Nguyen Ngoc Tuy (Inf. Process. Lett., 2011)

Complexity of Finding Graph Roots with Girth Conditions. - Babak Farzad; Lap Chi Lau; Van Bang Le; Nguyen Ngoc Tuy (Algorithmica, 2012)