- (with Santosh Bhattarai) Existence and stability of a two-parameter family of solitary waves
for an NLS-KDV system
- (with Jerry Bona and Nghiem Nguyen) On the stability of KdV multisolitons, Differential Integral Equations 20 (2007), 841-878.
- (with Abdulrahman Alazman, Jerry Bona, Min Chen, and Jiahong Wu) Comparisons
between the BBM equation and a Boussinesq system, Adv. Differential Equations 11 (2006), 121-166.
- (with Jaime Angulo) Existence and stability of ground-state
solutions of a Schrodinger-KdV system, Proc. Roy. Soc. Edinburgh Sect. A 133 (2003), 987-1029.
- (with Felipe Linares) Stability and symmetry of solitary-wave solutions to systems
modeling interactions of long waves, J. Math. Pures Appl. (9) 79 (2000), 195-226.
- (with Jerry Bona and Juan Restrepo)
Solitary-wave solutions of the Benjamin equation, SIAM J. Appl. Math. 59 (1999), 2139-2161.
- (with Felipe Linares) Stability of solitary-wave solutions to long-wave
equations with general dispersion, Mat. Contemp. 15 (1998), 1-19.
- Concentration compactness and the stability of solitary-wave
solutions to nonlocal equations, Applied analysis (Baton Rouge, LA, 1996),
1-29, Contemp. Math., 221, Amer. Math. Soc., Providence, RI, 1999.
- (with Jerry Bona and Jean-Claude Saut)
Model equations for waves in stratified fluids, Proc. Roy. Soc. London Ser. A 453 (1997), 1233-1260.
- (with John Toland) On the exact solutions of the intermediate long-wave equation,
Differential Integral Equations 7 (1994), 601-612.
- Positivity properties and uniqueness of solitary-wave solutions of the
intermediate long-wave equation, Evolution equations (Baton Rouge, LA, 1992), 11-20, Lecture Notes in Pure and Appl. Math., 168, Dekker, New York, 1995.
- Positivity properties and stability of solitary-wave solutions of model equations for long waves,
Comm. Partial Differential Equations 17 (1992), 1-22.