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ศ.ดร. พิเชฐ ชาวหา

Phichet Chaoha , Ph.D.

Professor

Office: MATH 1408/21
Phone: 02-218-7146
Fax: 02-255-2287
Email: phichet.c@chula.ac.th

การศึกษา 

2001 Ph.D. (Mathematics) University of Illinois at Urbana-Champaign, USA
1997 M.S. (Mathematics) University of Illinois at Urbana-Champaign, USA
1995 B.Sc. (Mathematics) Chulalongkorn University, Thailand

สาขางานวิจัย 

Field: Geometry & Topology

Topology of Fixed Point Sets and Convergence Sets

ผลงานตีพิมพ์ 

1. P. Chaoha, Fixed Point Sets of ψ-Iterated Nonexpansive Maps, J. Nonlinear Convex A, 23 (2022), 59-66.
2. J. Intrakul, P. Chaoha and W. Wichiramala, Lipschitz Retractions onto Sphere vs Spherical Cup in a Hilbert Space, Topol. Methods Nonlinear Anal., 52 (2018), 677-691.
3. P. Chaoha and W. Sudprakhon, Fixed Point Sets of Subrahmanyam Maps, Linear and Nonlinear Analysis, 3 (2017), 149-154.
4. S. Iampiboonvatana and P. Chaoha, Contractibility of Fixed Point Sets of Mean-Type Mappings, Abstr. Appl. Anal. (2017).
5. J. Intrakul and P. Chaoha, Retraction from a Unit Ball onto Its Spherical Cup, Linear and Nonlinear Analysis, 2 (2016), 17-28.
6. P. Chanthorn and P. Chaoha, Fixed Point Sets of Set-Valued Mappings, Fixed Point Theory Appl. (2015).
7. P. Chaoha and S. Songsa-Ard, Fixed Points in Uniform Spaces, Fixed Point Theory Appl. (2014).
8. P. Chaoha and S. Songsa-Ard, Fixed Points of Functionally Lipschitzian Maps, J. Nonlinear Convex A, 15 (2014), 665-679.
9. P. Chaoha, S. Iampiboonvatana and J. Intrakul, Generalized Virtually Stable Maps and Their Associated Sequences, J. Funct. Spaces Appl. (2013).
10. P. Chaoha, K. Goebel and I. Termwuttipong, Around Ulam’s Question on Retractions, Topol. Methods Nonlinear Anal., 40 (2012), 215-224.
11.P. Chaoha and P. Chanthorn, Fixed Point Sets through Iteration Schemes, J. Math. Anal. Appl., 386 (2012), 273-277.
12. A. Chonwerayuth, I. Termwuttipong and P. Chaoha, Piecewise continuous mild solutions of a system governed by impulsive differential equations in locally convex spaces, ScienceAsia, 37 (2011), 360-369.
13. P. Chaoha and W. Atiponrat, Virtually Stable Maps and Their Fixed Point Sets, J. Math. Anal. Appl., 359 (2009), 536-542.
14. P. Chaoha and P. Chanthorn, Convergence and Fixed Point Sets of Generalized Homogeneous Maps, Thai J. Math., 5 (2007), no.2, 281-289.
15. P. Chaoha, Virtually Nonexpansive Maps and their Convergence Sets, J. Math. Anal. Appl., 326 (2007), 390-397.
16. P. Chaoha and A. Phon-on, A Note on Fixed Point Sets in CAT(0) Spaces, J. Math. Anal. Appl., 320 (2006), 983-987.
17. P. Chaoha, Splitting Criteria for Homotopy Functors of Spectra, Tran. Amer. Math. Soc. 356 (2004), 1271-1280.

หนังสือ 

  1. พิเชฐ ชาวหา, หนังสือ ทอพอโลยีเชิงพีชคณิต (Algebraic Topology), ก.พ. 2550, 122 หน้า, ISBN 978-974-7101-54-6.

ที่อยู่ : ภาควิชาคณิตศาสตร์และวิทยาการคอมพิวเตอร์ คณะวิทยาศาสตร์
จุฬาลงกรณ์มหาวิทยาลัย กรุงเทพ 10330
โทรศัพท์ : 02-218-5141-2
โทรสาร : 02-255-2287

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