A characterization of Möbius transformations. Niamsup, Piyapong — 2000 International Journal of Mathematics and Mathematical Sciences
Dynamics of Newton's functions of Barna's polynomials. Niamsup, Piyapong — 2002 International Journal of Mathematics and Mathematical Sciences
M r -factors and Q r -factors for near quasi-norm on certain sequence spaces. Niamsup, Piyapong; Lenbury, Yongwimon — 2005 International Journal of Mathematics and Mathematical Sciences
Analytic solution of certain second-order functional differential equation. Kaewong, Theeradach; Niamsup, Piyapong — 2006 International Journal of Mathematics and Mathematical Sciences
Linear uncertain non-autonomous time-delay systems: Stability and stabilizability via Riccati equations. Niamsup, Piyapong; Mukdasai, Kanit; Phat, Vu N. — 2008 Electronic Journal of Differential Equations (EJDE) [electronic only]