DongSeon Hwang's Homepage

Education

  • Ph.D. Mathematics, KAIST, Korea, 2009.
  • B.S. Mathematics, KAIST, Korea, 2003.

Academic Positions

  • 2015. Sep - Present           Associate Professor, Ajou University.
  • 2011. Sep - 2015. Aug       Assistant Professor, Ajou University.
  • 2009. Sep - 2011. Aug       Research Fellow, KIAS.

Research Interests

  • Algebraic Geometry.

Publications

  1. DongSeon Hwang and JongHae Keum, The maximum number of singular points on rational homology projective planes, J. Algebraic Geom. 20 (2011), 495-523.
  2. DongSeon Hwang and JongHae Keum, Algebraic Montgomery-Yang Problem: the noncyclic case, Math. Ann. 350 no. 3 (2011), 721-754.
  3. DongSeon Hwang and JongHae Keum, Constructions of singular rational surfaces with ample canonical divisor, Proc. Amer. Math. Soc. 140 (2012), 1865-1879.
  4. DongSeon Hwang and JongHae Keum, Algebraic Montgomery-Yang Problem: The non-rational surface case, Michigan Math. J. 62 (2013), 3-37.
  5. DongSeon Hwang, On the orbifold Euler characteristic of log del Pezzo surfaces of rank one, J. Korean Math. Soc. 51 (2014), 867-879.
  6. DongSeon Hwang and JongHae Keum, Algebraic Montgomery-Yang Problem: the log del Pezzo surface case, J. Math. Soc. Japan. 66 (2014), 1073 - 1089.
  7. DongSeon Hwang, JongHae Keum and Hisanori Ohashi, On Gorenstein Q-homology projective planes, Sci. China Math. 58 (2015), no. 3, 501-512 (Special Issue on Algebraic Geometry).
  8. DongSeon Hwang and Jinhyung Park, Characterization of log del Pezzo pairs via anticanonical models, Math. Z. 280 (2015), no. 1-2, 211-229.
  9. DongSeon Hwang and Jinhyung Park, Redundant blow-ups of rational surfaces with big anticanonical divisor, J. Pure Appl. Algebra 219 (2015), no. 12, 5314-5329.
  10. Sungrak Choi, DongSeon Hwang and Jinhyung Park, Factorization of anticanonical maps of Fano type varieties, Int. Math. Res. Notices (2015) 2015 (20): 10118- 10142.
  11. DongSeon Hwang and Jinhyung Park, Cox rings of rational surfaces and redundant blow-ups, Trans. Amer. Math. Soc. 368 (2016), 7727-7743.
  12. R.V. Gurjar, DongSeon Hwang, Sagar Kolte, A note on rational cuspidal curves on Q-homology projective planes, J. Ramanujan Math. Soc. 32 (2017), no. 2, 135-146.

Contact Information

Department of Mathematics, Ajou University,
206, World cup-ro, Yeongtong-gu, Suwon 16499, Korea.
E-mail: dshwang@ajou.ac.kr