รศ.ดร. ตวงรัตน์ ไชยชนะ
Tuangrat Chaichana , Ph.D.
Associate Professor
Office: MATH 1309/14
Phone: 02-218-7130
Fax: 02-255-2287
Email: tuangrat.c@chula.ac.th
Phone: 02-218-7130
Fax: 02-255-2287
Email: tuangrat.c@chula.ac.th
การศึกษา
2006 Ph.D. (Mathematics) Chulalongkorn University, Thailand
2002 M.Sc. (Mathematics) Chulalongkorn University, Thailand
1999 B.Sc. (Mathematics) Chiang Mai University, Thailand
2002 M.Sc. (Mathematics) Chulalongkorn University, Thailand
1999 B.Sc. (Mathematics) Chiang Mai University, Thailand
สาขางานวิจัย
Field: Algebra & Number Theory
Analytic Number Theory
ผลงานตีพิมพ์
Publications:
- T. Chaichana, V. Laohakosol and A. Harnchoowong, Ruban continued fraction in fields of positive characteristic, Proc. Int. Conf. Algebra Appl., Chulalongkorn Univ., Bangkok, March 18-22, 2002, 143-148.
- V. Laohakosol, T. Chaichana and Y. Yodphothong, An estimate on the number of rationals whose partial quotients are bounded, Contribution in General Algebra (NCAM 2003-2004), 41-43, ed. By N.V. Sanh and N. Pabhapote. A special volume published by East-West J. Math., Bangkok, 2004.
- T. Chaichana and V. Laohakosol, Linear independence of continued fractions in the field of formal series over a finite field, Proc. Int. Conf. Math. Appl. (ICMA-MU 2005), 15-17 December 2005, Bangkok, Thailand, 175-184.
- V. Laohakosol, P. Riyapan and T. Chaichana, Explicit construction of continued fractions whose partial denominators consist of two copies of an arithmetic progression, Proc. Int. Conf. Math. Appl. (ICMA-MU 2005), 15-17 December 2005, Bangkok, Thailand, 267-278. A special volume published by East-West J. Math., Bangkok, 2006.
- P. Riyapan, V. Laohakosol and T. Chaiahana, Two types of explicit continued fractions, Period. Math. Hungar. 52 (2006), 51-72.
- T. Chaichana, V. Laohakosol and A. Harnchoowong, Linear independence of continued fractions in the field of formal series over a finite field, Thai J. Math. 4 (2006), 163-177.
- T. Chaichana and V. Laohakosol, Independence of continued fractions in the field of Laurent series, Period. Math. Hungar. 55 (2007), 35-59.
- V. Laohakosol and T. Chaichana, Characterizing rational elements by two continued fractions in the prime-adic function field, Proc. Int. Conf. Discrete Math. Appl. (ICDMA 2008), 5-7 March 2008, Bangkok, Thailand, 45-52. A special volume published by East-West J. Math., Bangkok, 2008.
- T. Chaichana and V. Laohakosol, Zaremba’s conjecture in the field of formal series over a finite base field, In Lee See Keong and Hailiza Kamarul (eds) 5th Asian Mathematical Conference Proceedings (Volume I), June 2009, pp. 460-464. ISBN: 978-967-5417-53-5.
- O. Panprasitwech, V. Laohakosol, and T. Chaichana, Linear fractional transformations of continued fractions with bounded partial quotients in the field of formal series, East-West J. Math. 11:2 (2009), 185-194.
- V. Laohakosol, T. Chaichana, N. Rompurk Kanasri and J. Rattanamoong, Engel series and Cohen-Egyptian fraction expansions, to appear in International Journal of Mathematics and Mathematical Sciences.
- T. Chaichana, T. Komatsu and V. Laohakosol, Liouville numbers in the non-archimedean case, to appear in Publicationes Mathematicae Debrecen.
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จุฬาลงกรณ์มหาวิทยาลัย กรุงเทพ 10330
โทรศัพท์ : 02-218-5141-2
โทรสาร : 02-255-2287