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Hwang, Jenn Fang

Retired Research Fellow

Dr. Hwang's major research interests is elliptic partial differential equations, especially in the minimal surface equation and capillary surface equation.

Research Fields: Partial Differential Equations


Email : majfh@math.sinica.edu.tw

Extension : 400

  • B.S. in Mathematics National Taiwan University 1977/6
  • M.S. in Mathematics National Taiwan University 1979/6
  • Ph.D. in Mathematics National Taiwan University 1986/2

  • Research Assistant Dep. of Math., National Taiwan University 1979 -1982
  • Post Doctoral Associate Research Fellow Inst. of Math., Academia Sinica 1986/7
  • Associate Research Fellow Inst. of Math., Academia Sinica 1988
  • Research Fellow Inst. of Math., Academia Sinica 2001

  • (with Tienchen Chu) "On trimming a triangle", Chinese J. Math., 8, 85-92, 1980
  • "Phragmen-Lindelof theorem for the minimal surface equation", Proc. Amer. Math. Soc., 104, 825-828, 1988
  • "Comparison principles and Liouville theorems for prescibed mean curvature equations in unbounded domains, Annali Scuola Norm. Sup. Pisa, IV 15(1988), 341-355. ", 1988
  • (with R. Finn) "On the comparison principle for capillary surfaces", J. Fac. Sci. Univ. Toykyo Sect. I.A., Math., 36, 131-134, 1989
  • "Growth property for the minimal surface equation in unbounded domains", Proc. Amer. Math. Soc., 121, 1027-1037, 1994
  • "On the uniqueness of capillary surfaces over an infinite strip", Pacific J. Math., 169, 95-105, 1995
  • (with Chiun-Chuan Chen) "$\sum^\infty_{j=1}e^{i\sqrt jx}$ is a $C^\infty$ function on $R_s\{0\}$ ", Tsing Hua Lectures on Geometry and Analysis, (ed. S.T. Yau), International Press, 51-58, 1995
  • "A uniqueness theorem for the minimal surface equation", Pacific J. Math., 1767, 357-364, 1996
  • "Catenoid-like solutions for the minimal surface equation", Pacific J. Math., 183, 91-102, 1998
  • "Structural Inequalities Method for Uniqueness Theorems for the Minimal Surface Equation, Joint Australian-Taiwanese Workshop on Analysis and Applications, (Brisbane, March, 1997), Proceedings of CMA, Australian National University, vol 37, 1999, 47-52. ", 1999
  • "(with Chun-Chung Hsieh, Fei-Tsen Liang) Phragmen -Lindel$\ddot{o}$f theorem for minimal surface equation in higher dimensions", Pacific J. Math. , 207 (1), 183-198, 2002
  • (with Yi Fang) "A note on Shiffman's theorems", Geom. Dedicata, 81, 167-171, 2000
  • (with Yi Fang) "Curvature estimates for minimal annuli and non-compact Douglas-Plateau problem", Comm. Anal. Geom., 8, 871-904, 2000
  • "(with Yi Fang) New examples of reflectively symmetric minimal surfaces bounded by parallel straight lines", J.Geom. , 75 (1月2日), 74-96, 2002
  • "(With Yi Fang) When is a minimal surface a minimal graph? ", Pacific J. Math., 207 (2), 359-376, 2002
  • (with Jih-Hsin Cheng ! Paul Yang) "Existence and uniqueness for P-area minimizers in the Heisenberg group", Mathematische Annalen, 337 (2), 253-293, 2007
  • (with Jih-Hsin Cheng!Paul Yang) "Regularity of C1 smooth solutions with prescribed p-mean curvature in the Heisenberg group", Math. Annalen, 344 (1), 1-35, 2009
  • (with Jih-Hsin Cheng!Andrea Malchiodi!Paul Yang) "An elementary geometric proof for a Bernstein-type theorem in the Heisenberg group", preprint
  • (with Jih-Hsin Cheng) "Variations of generalized area functionals and p-area minimizers of bounded variation in the Heisenberg group", Bulletin of the Institute of Mathematics, Academia Sinica, New Series, 5 (4), 369-412, 2010
  • (with Jih-Hsin Cheng!Andrea Malchiodi!Paul Yang) "Minimal surfaces in pseudohermitian geometry", Annali della Scuola Normale Superiore di Pisa Classe di Scienze V, 4 (1), 129-177, 2005
  • (with Jih-Hsin Cheng) "Properly embedded and immersed minimal surfaces in the Heisenberg group", Bull. Aus. Math. Soc., 70, 507-520, 2004
  • "How many theorems can be derived from a vector function-on uniqueness theorems for the minimal surface equation", Taiwanese J. Math., 7 (4), 513-539, 2003
  • (with Jih-Hsin Cheng!Andrea Malchiodi!Paul Yang) " A Codazzi-like equation and the singular set for smooth surfaces in the Heisenberg group", JOURNAL FUR DIE REINE UND ANGEWANDTE MATHEMATIK , 671, 131-198, 2012
  • (with Jih-Hsin Cheng ) "Uniqueness of generalized p-area minimizers and integrability of a horizontal normal in the Heisenberg group", Calculus of Variations and PDE, 50, 579-597, 2014
  • (with Jih-Hsin Cheng, Hung-Lin Chiu, Paul Yang) "Strong Maximum principle for generalized p-mean curvature operator in the Heisenberg group", preprint
  • (with Jih-Hsin Cheng, Hung-Lin Chiu, Paul Yang) "Umbilicity and characterization of Pansu spheres in the Heisenberg group", Journal fur die reine und angewandte Mathematik, 2015
  • (with Jih-Hsin Cheng, Hung-Lin Chiu, Paul Yang) "Umbilic hypersurfaces of constant sigma-k curvature in the Heisenberg group", Calculus of Variations and Partial Differential Equations, 55 (3), 2016-06
  • "(數學傳播投稿)追尋陳省身先生的軼事", 2020
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