Office: MATH 1208/14 Phone: 02-218-5151 Fax: 02-255-2287 Email: Songkiat.S@chula.ac.th
2002 Ph.D. (Mathematics), University of Maryland at College Park, USA 1995 (Mathematics), Chulalongkorn University, Thailand
Wavelet Theory: Analysis of Singularity Lines/Curves
Probability Theory: Copulas and Dependence Structure
Publications:
T. Santiwipanont and S. Sumetkijakan, Copulas of mutually completely dependent random variables, In Progress.
P. Lakhonchai, J. Sampo, and S. Sumetkijakan, Shearlet transforms and Holder regularities, International Journal of Wavelets, Multiresolution and Information Processing, accepted.
S. Sumetkijakan and C. Viriyapong, On supersets of wavelet sets, Acta Applicandae Mathematicae, 107(1-3)(2009), 173-193.
J. Sampo and S. Sumetkijakan, Estimations of Holder regularities and direction of singularity by Hart Smith and curvelet transforms,Journal of Fourier Analysis and Applications, 15(1)(2009), 58-79.
T. Santiwipanont and S. Sumetkijakan, Multifractality of daily rainfall in Thailand, The Journal of Scientific Research of Chulalongkorn University, 33(2)(2008), 63-72.
John J. Benedetto and S. Sumetkijakan, Tight frames and geometric properties of wavelet sets, Adv. in Comp.Math, 24(1)(2006), 35 -56.
K. Nualtong and S. Sumetkijakan, Analysis of Holder regularities by wavelet – like transforms with parabolic scaling, Thai Journal of Mathematics, 3(2)(2005), 275 – 283.
John J. Benedetto and S. Sumetkijakan, A fractal set arising from a class of wavelet sets, Contemporary Mathematics,313 (2002), 19 – 35.