Office: MATH 1408/5 Phone: 02-218-5225 Fax: 02-255-2287 Email: Paisan.N@chula.ac.th
2001 Ph.D. (Physics), University of California at Los Angeles, USA 1996 M.S. (Physics), University of California at Los Angeles, USA 1993 M.S. (Physics (1th class honor)), Chulalongkorn University, Thailand
Functional Equations
Publications:
W.Towanlong and P. Nakmahachalasint, A quadratic functional equation and its generalized Hyers-Ulam Rassias stability, Thai Journal of Mathematics, Special Issue, 6(3)(2008), 85-91.
M. Petapirak and P. Nakmahachalasint, A quartic functional equation and its generalized Hyers-Ulam-Rassias stability, Thai Journal of Mathematics, Special Issue, 6(3)(2008), 77-84.
A. Wiwatwanich and P. Nakmahachalasint, On the Stability of a Cubic Functional Equation, Thai Journal of Mathematics, Special Issue, 6(3)(2008), 69-76.
C. Kusollerschariya and P. Nakmahachalasint, The Stability of the Pexiderized Cosine Functional Equation,Thai Journal of Mathematics, Special Issue, 6(3)(2008), 39-4.
P. Nakmahachalasint, On the stability of a mixed-type linear and quadratic functional equaion, Bulletin of the Australian Mathematical Society, 77(1)(2008), 167-176.
P. Nakmahachalasint, On the generalized Ulam-Gavruta-Rassias stability of mixed type linear and Euler-Lagrange-Rassias functional equations, International Journal of Mathematics and Mathematical Sciences, Volume 2007, Article ID 63239, 10 pages, doi:10.1155/2007/63239.
P. Nakmahachalasint, The stability of a cosine functional equation, KMITL Science Journal, 7(1)(2007), 49-53.
P. Nakmahachalasint, Hyers-Ulam-Rassias and Ulam-Gavruta-Rassias stabilities of an additive functional equation in several variables, International Journal of International Journal of Mathematics and Mathematical Sciences, Volume 2007, Article ID 13437, 6 pages, doi: 10.1155/2007/13437.
P. Nakmahachalasint, Limit of rational function at an isolated singularity, Journal of Scientific Research, 32(2)(2007), 117-121.
P. Nakmahachalasint, On the Hyers-Ulam-Rassias stabilities of an n-dimensional additive functional equation, to appear in Thai Journal of Mathematics: Special Issue(Annual Meeting in Mathematics 2007).
P. Nakmahachalasint, The generalizrd Hyers-Ulam-Rassias stability of a quadratic functional equation, Thai Journal of Mathematics,4(2)(2006),321-328.
P. Nakmahachalasint and P. Sawangtong, Complete Blow-up of a Semilinear Parabolic Equation, Thai Journal of Mathematics, 1(1)(2003),79-89.
J. Rudnick, P. Nakmahachalasint, and G. Gaspari , Cluster Distribution in Mean-Field Percolation: Scaling and Universality, Physical Review E 58, 5596 (1998).