Asst.Prof. Dr. Nattapong Bosuwan

Assistant Professor

Ph.D. (Mathematics), Vanderbilt University, U.S.A.

Office : SC2-111 (Salaya)

Tel : 0-2441-1202

Fax : 0-2201-5343

Email : nattapong.bos@mahidol.ac.th

EDUCATION

  • Doctor of Philosophy in Mathematics: Vanderbilt University, Nashville, Tennessee, USA (2008-2013). Adviser: Prof. Edward B. Saff
  • Master of Science in Mathematics: Vanderbilt University, Nashville, Tennessee, USA (2007-2008).
  • Master of Science in Mathematics: Michigan State University, East Lansing, Michigan, USA (2006-2007).
  • Bachelor of Science in Mathematics: Prince of Songkla University, Songkla, Thailand (2000-2004).  Adviser: Assoc. Prof. Satit Saejung

PROFESSIONAL EXPERIENCE

  • Faculty:Mahidol University, Thailand 2013 – present
  • Graduate Teacher of Record:Vanderbilt University, USA 2009 – 2013

RESEARCH INTEREST

  • Approximation Theory: Polynomial and Rational Interpolation and Approximation, Padé Approximants, Orthogonal Polynomials
  • Potential Theory: Minimal Energy and Riesz Polarization Problems

PUBLICATIONS

  • N. Bosuwan, Hyperconvexity on Some Certain Metric Spaces, BSc Project, Prince of Songkla University, 2004.
  • N. Bosuwan, Two Problems in Asymptotic Analysis: Padé Approximation and Riesz Polarization Constants and Configurations, Doctoral Dissertation, Vanderbilt University, 2013.
  • N. Bosuwan, G. López Lagomasino, and E.B. Saff, Determining singularities using row sequences of Padé-orthogonal approximants, Jaen J. Approx., 5 (2013), 179-208. (SJR 2017: Q3)
  • S.V. Borodachov and N. Bosuwan, Asymptotics of discrete Riesz d-polarization on subsets of d-dimensional manifolds, Potential Anal., 41 (2014), 35-49. (Impact Factor 2017: 0.852)
  • N. Bosuwan, G. López Lagomasino, Inverse theorem on row sequences of linear Padé-orthogonal approximants, Comput. Methods Funct. Theory, 15(4) (2015),  529-554. (Impact Factor 2017: 0.571)
  • N. Bosuwan, Convergence of nondiagonal sequences of linear Padé-orthogonal approximants, Thai J. Math., 13(3) (2015), 723-736. (SJR 2017: Q3)         
  • N. Bosuwan, On Montessus de Ballore’s theorem for nonlinear Padé-orthogonal approximants, Jaen J. Approx., 8(2) (2016), 151-173. (SJR 2017: Q3)         
  • N. Bosuwan, Convergence of row sequences of simultaneous Padé-orthogonal approximants, Comput. Methods Funct. Theory, 17(3) (2017), 525-556. (Impact Factor 2017: 0.571)
  • N. Bosuwan, Convergence in Hausdorff Content of Sequences of Padé-orthogonal approximants and Its Application, International Journal of Mathematical Analysis, 11(13) (2017), 605-624. (SJR 2017: Q4)         
  • N. Bosuwan and G. López Lagomasino, Determining system poles using row sequences of orthogonal Hermite-Padé approximants, J. Approx. Theory, 231 (2018), 15-40. (Impact Factor 2018: 1.022)
  • N. Bosuwan and P. Ruengrot, Constant Riesz potential on a circle in a plane with an application to polarization optimality problems, ScienceAsia, 43(4) (2017), 267-274. (Impact Factor 2018: 0.452)
  • N. Bosuwan, Convergence of row sequences of simultaneous Padé-Faber approximants, Math. Notes, 103(5) (2018), 643-656. (Impact Factor 2018: 0.612)
  • N. Bosuwan, On Montessus de Ballore’s theorem for simultaneous Padé-Faber approximants, Demonstr. Math., 51 (2018), 45-61. (SJR 2018: Q3)
  • N. Bosuwan, Direct and inverse results on row sequences of generalized Padé approximants to polynomial expansions, Acta Math. Hungar., 157(1) (2019), 191–219. (Impact Factor 2018: 0.538)
  • W. Chonlapap and N. Bosuwan, Convergence in Hausdorff content of Padé-Faber approximants and its applications, Thai J. Math., 17 (2019), 272-287 (SJR 2018: Q4)
  • N. Bosuwan and G. López Lagomasino, Direct and inverse results on row sequences of simultaneous Padé-Faber approximants, Mediterr. J. Math. 16(36) (2019) https://doi.org/10.1007/s00009-019-1307-0. (Impact Factor 2018: 1.181)
  • N. Bosuwan, On the boundedness of poles of generalized Padé approximants, Adv. Differ. Equ. 2019(137) (2019). (Impact Factor 2018: 1.510)
  • N. Bosuwan, G. López Lagomasino, and Y. Zaldivar Gerpe, Direct and inverse results for multipoint Hermite-Padé approximants, Anal. Math. Phys., appear online.(Impact Factor 2018: 1.792)
  • N. Bosuwan and M. Wajasat, Convergence in Hausdorff content of generalized simultaneous Padé approximants, Thai J. Math., Accepted.
  • N. Bosuwan, Constant generalized Riesz potential functions and polarization optimality problems, Thai J. Math., Accepted.
  • N. Bosuwan, A note on the rate of convergence of poles of generalized Hermite-Padé approximants, Thai J. Math., Accepted.

INVITED TALKS

  • Determining singularities using row sequences of Padé-orthogonal approximants, Constructive functions 2014, May 26-30, 2014, Nashville, TN, USA.
  • Curve and surface discretization, DPST student conference on Science and Technology 2019 (DPSTcon2019), June 21-23, 2019, Bangkok, Thailand

CONTRIBUTED TALKS

  • Convergence of row sequences of linear Padé-orthogonal approximants on the unit circle, Approximation Theory, May 17-21, 2011, Nashville, TN, USA.
  • Discretizing Manifolds via Riesz Energy Minimization and Riesz polarizatiom Maximization, East Asia Section of SIAM (EASIAM) 2014, June 23-25, 2014, Pattaya, Chonburi, Thailand.
  • Convergence of diagonal sequences of linear Padé-orthogonal approximants, International Graduate Research Conference 2014 (iGRC 2014), December 11-12, 2014, Chiang Mai, Thailand.
  • Inverse Theorem on Row Sequences of Linear Padé-orthogonal Approximation, The 20th Annual Meeting in Mathematics (AMM2015), May 27-29, 2015, Nakhon Pathom, Thailand.
  • Determining system poles using row sequences of orthogonal Hermite-Padé Approximants, VII Jaen Conference on Approximation, July 3-8, 2016, Jaen, Spain.
  • Discretizing Manifolds via Riesz Energy Minimization and Riesz polarization Maximization, ICoMEIA 2016, August 10-12, 2016, Songkhla, Thailand.
  • Determining system poles using row sequences of simultaneous Padé-Faber Approximants, International Conference in Mathematics and Applications (ICMA-MU 2016), December 17-19, 2016, Bangkok, Thailand.
  • Discretizing Surfaces using Riesz Energy and Riesz Polarization Configurations and Some Open Problems in Riesz Polarization Optimization, The 1st International Symposium on Mathematics and Statistics (ISMS 2017), February 22, 2017, Mahasarakham, Thailand.
  • Constant Riesz Potentials on a circle in a plane and symmetric equations, The 13th Conference of Young Algebraists in Thailand, December 6-9, 2017, Nakhon Pathom, Thailand.
  • Convergences of row sequences of simultaneous Padé-Faber approximants, International Conference on Complex Analysis, June 11-15, 2018, Dublin, Ireland.
  • Inverse results on row sequences of multipoint Padé approximants, International Conference in Mathematics and Applications 2018, December 16-18, 2018, Bangkok, Thailand.

SEMINAR TALKS

  • Determining singularities using row sequences of Padé-orthogonal approximants, Constructive functions 2014, May 26-30, 2014, Nashville, TN, USA.
  • Determining singularities using row sequences of Padé-orthogonal approximants, February 4, 2015, Department of Mathematics, Mahidol University.
  • Discretizing Manifolds via Riesz Energy Minimization and Riesz polarization Maximization, October 14, 2015, Department of Applied Mathematics, Mahidol University International College.
  • Discretizing Manifolds via Riesz Energy Minimization and Riesz polarization Maximization, November 4, 2015, Department of Mathematics, Mahidol University.
  • Determining system poles using row sequences of orthogonal Hermite-Padé approximants, May 12, 2016, Department of Mathematics, Universidad Carlos III de Madrid, Madrid, Spain.
  • Introduction to Padé approximation, February 22, 2017, Department of Applied Mathematics, Mahidol University International College.
  • Convergence of zeros of denominators of Padé-orthogonal approximants, September 27, 2017, Department of Applied Mathematics, Mahidol University International College.
  • Discretizing Manifolds via Riesz Energy Minimization and Riesz polarization Maximization, December 3, 2018, Monday Analysis, Department of Mathematics, Hokkaido University, Sapporo, Hokkaido, Japan.
  • Direct and inverse results on row sequences of generalized Padé approximants to polynomial expansions, December 7, 2018, Potential Analysis Seminar, Department of Mathematics, Meijo University, Nagoya, Japan.

GRANTS AND FELLOWSHIPS

  • Development and Promotion of Science and Technology Talents Project (DPST) Scholarship, Thailand, (full tuition, travel, and stipend), 2000-2007.
  • A Higher Educational Strategic Scholarship for Frontier Research Network, Thailand, (full tuition, travel, and stipend), 2007-2012.
  • Graduate Teaching Assistantship, Vanderbilt University, ($19,500 each year), 2009-2013.
  • Summer Support, Vanderbilt University, ($2,500 each summer), 2011-2013.
  • Talent Management Grant, Mahidol University, 2014-2015.
  • Material Grant for New Faculty, Mahidol University, 2015
  • Research Fund for DPST Graduate with First Placement, Thai Government, 2015-2017.
  • A Faculty of Science Top Up Grant, Faculty of Science, Mahidol University, 2015-2016.
  • Strengthen Research Grant for New Lecturer, The Thailand Research Fund, 2017-2018.
  • Junior Research Fellowship, Government of French, 2017.
  • JSPS KAKENHI Grant for short visit (10 days) to Meijo University, Nagoya and Hokkaido University, Hokkaido, Japan, Government of Japan, 2018.

PROFESSIONAL SERVICE AND OUTREACH

  • Organizer, Monthly Mathematics Seminar, Department of Mathematics, Faculty of Science, Mahidol University, August 2014 – present.
  • Committee, EASIAM 2014, East Asia section of SIAM 2014 June 23 – 25, 2014.
  • Coordinator (The 12th Thailand Mathematical Olympiad), Coordinator for The 12th Thailand Mathematical Olympiad (12th TMO), King Mongkut’s University of Technology North Bangkok June 10 – 14, 2015.
  • Coordinator (The 56th International Mathematical Olympiad), Coordinator for The 56th International Mathematical Olympiad (56th IMO), Chiang Mai University July 4 – 16, 2015.
  • Committee, ICMA MU 2016, International Conference in Mathematics and Applications, December 17 – 19, 2016.
  • Committee, ICMA MU 2018, International Conference in Mathematics and Applications, December 16 – 18, 2018.