Department of Mathematics NORTHERN ILLINOIS UNIVERSITY DEKALB IL 60115

Phone (815) 753-6752 Fax (815) 753-1112 E-mail :hyeon@math.niu.edu homepage http://www.math.niu.edu/~hyeon

Donghoon David Hyeon

Personal Information
	n Nationality: R. O. Korea (U.S. Permanent Resident)
Education
	n August 1996, KAIST, mathematics and physics, B.S. n May 2001, University of Illinois at Urbana-Champaign, mathematics, Ph. D. n Research Area: Algebraic Geometry
APPOINTMENTS
	n August 2004 – Present, Assistant Professor, Northern Illinois University n July 2001- Jun 2004, G. C. Evans Instructor of Mathematics, Rice University
Honors and awards
	n KRF (Korea Research Foundation) standard grant KRF-2005-042-C00005, co-PI with Y. Lee and H. Chae. n 7th biennial Kuo-Tsai Chen Prize in Mathematics (University of Illinois at Urbana-Champaign, 2001) n 14th annual Irving Reiner Memorial Award in Algebra (University of Illinois at Urbana-Champaign, 2001) n University Fellowship (University of Illinois at Urbana-Champaign, 1999, 2000) n Waldemar J. Trjitzinsky Graduate Fellowship in Mathematics (1996)
Publications
	n Stability of tails and 4-canonical models (with Ian Morrison) submitted for publication, arXiv: math.AG/0806.1269 n Log minimal model program for the moduli space of curves: The first flip (with Brendan Hassett) submitted for publication, arXiv:math.AG/0806.3444 n A new look at the moduli space of hyperelliptic curves (with Yongnam Lee) submitted for publication (2008) n Moduli space of representations of vector groups (with William Haboush) submitted for publication (2008) n Stability computation via Gröbner basis (with Brendan Hassett and Yongnam Lee) 23 pages, submitted for publication (2007) n Stability of bicanonical curves of genus three (with Yongnam Lee) submitted for publication (2007) n Log minimal model program for the moduli space of stable curves of genus three (with Yongnam Lee) submitted for publication (2007), arXiv:math.AG/0703093 n A log canonical model for the moduli space of curves: The first divisorial contraction (with Brendan Hassett) Trans. Amer. Math. Soc. (to appear), arXiv:math.AG/0607477 n Stability of tri-canonical curves of genus two (with Yongnam Lee) Math. Ann. (2007), no. 2, 337:479–488 n Note on the stability of principal bundles (with D. Murphy) Proc. Amer. Math. Soc. 132 (2004), no. 8, 2205--2213 n Principal bundles over a projective scheme Trans. Amer. Math. Soc. 354 (2002), no. 5, 1899--1908 n Moduli questions for augmented bundles University of Illinois Thesis (2001) 131 pages n Higgs bundles, spectral curves and étale covering Internat. J. Math. 12 (2001), no. 4, 393—402 n Direct images of stable triples Internat. J. Math. 11 (2000), no. 9, 1231--1243 n Computing stability of projective varieties with Macaulay 2, 12 pages, lecture note based on a series of lectures given at The Winter School on Algebraic geometry – Algebraic curves and Related areas (National Institute of Mathematical Sciences, Korea, January 2007
Presentations
	n December 28, 2007, Sogang University (Seoul , Korea), Workshop on Moduli Spaces n October 2, 2007, University of Wisconsin-Madison, Algebraic Geometry Seminar n June 21, 2007, Postech (Pohang, Korea), Algebraic Geometry Seminar n January 30, 2007, Rice University, Algebraic Geometry Seminar n January 8-10, 2007, Invited Speaker at The Winter School on Algebraic geometry – Algebraic curves and Related areas (National Institute of Mathematical Sciences, Korea) n January 4-6, 2007, Invited Speaker at The International Workshop on Mathematical Sciences (Algebraic Geometry and its Applications) , Sogang University, Korea n September 29, 2006, University of California at Los Angeles, Algebraic Geometry Seminar n June 15, 2006, Research Institute for Mathematical Sciences, Kyoto University (Kyoto, Japan), Algebraic Geometry Seminar n January 9, 2006, Sogang University (Seoul, Korea), Algebraic Geometry Seminar n October 19, 2005, University of Illinois at Chicago, Algebraic Geometry Seminar n September 6, 2005, University of Illinois at Urbana-Champaign, Algebraic Geometry Seminar n July 13, 2005, KIAS, Algebraic Geometry Seminar n February 2005, Northern Illinois University , Geometry Seminar n January 5, 2005, KIAS (Seoul, Korea), Algebraic Geometry Seminar n December 31, 2004, Sogang University (Seoul, Korea), Algebraic Geometry Seminar n May – Jun 2004, Seminar talks at KIAS (Seoul Korea), Korea University (Seoul, Korea), Sogang University (Seoul, Korea) and KAIST (Taejon, Korea) n April 27, 2004, University of Texas at Austin, Algebra Seminar n April 1, 2004, TCU, Special Seminar n March 17, 2004, Northern Illinois University, Special Seminar n January 14, 2004, Oklahoma State University, Colloquium n December 9, 2003, University of Illinois at Urbana-Champaign, Algebraic Geometry Seminar n November 2003, Rice University, Geometry and Analysis Seminar n July 2003, Invited speaker at VBAC (Vector Bundles on Algebraic Curves) meeting, Porto, Portugal n June 2003, Invited speaker at AMS-RSME meeting, Seville, Spain n May 2003, Colloquium at KAIST (Taejon, Korea) n May 2003, Seminar talks at Sogang University (Seoul, Korea), KIAS (Seoul,Korea), Ewha Women's University (Seoul, Korea) n April 2003, University of Michigan at Ann Arbor, Algebraic Geometry Seminar n February 2003, Rice University, Geometry and Analysis Seminar n November 2001, Invited speaker at AMS Western Sectional Meeting n September 26, 2001, Rice University, Geometry and Analysis Seminar n September 19, 2001, Rice University, Geometry and Analysis Seminar n April 25, 2001, Rice University, Special Seminar
VISITs
	n Jan 2007, May – June 2006, June – July 2005, January 2005, May 2004, May 2003, Visiting Scholar at Korea Institute for Advanced Study, Seoul, Korea n June 2006, Overseas Researcher at Research Institute for Mathematical Sciences, Kyoto, Japan n December 2004, Invited participant at Compact Moduli Spaces and Birational Geometry, AIM, Palo Alto, CA n March 28 - April 5 2002, Workshop on Non-Abelian Hodge Theory, MSRI, Berkeley, CA n February - March 1999, Visitor at Tata Institute of Fundamental Research, Mumbai, India. n May 1997, Visitor at MSRI, Berkeley, CA
Synergistic Activities/ University services
	n Organizing Committee, Department Colloquium at NIU (2006) n Faculty Advisor, Math Club at NIU (2005-2006) n Undergraduate Studies Committee (2004-2005) n Organizer of Department Colloquium at Rice University (2003) n Organizer of Math Career Lecture Series at Rice University (2001 - 2002)
TEaching experience
	Northern Illinois University (Fall 2004 – Present) n Graduate course in Topology (Spring 2005, Spring 2007)) n Abstract Algebra II (Spring 2006) n Abstract Algebra I (Fall 2004, Fall 2005, Fall 2007) n Linear Algebra (Spring 2005, Fall 2005, Spring 2006, Fall 2006, Spring 2007) n Calculus I (Fall 2004, Fall 2006, Fall 2007) Rice University (Fall 2001 - Spring 2004)) n Graduate course in Basic Algebraic Geometry (Fall 2003) n Abstract Algebra (Spring 2003) n Complex Analysis (Spring 2002, Spring 2004) n Multivariable Calculus (Spring 2003, Fall 2002, Spring 2002, Fall 2001) University of Illinois at Urbana-Champaign (Fall 1996 – Spring 2001) n Calculus and Analytic Geometry I (Fall 2000) n Teaching Assistant to Calculus and Analytic Geometry I, II, Advanced Calculus, Elementary Linear Algebra with Applications n Research Assistant: Helped establishing an interactive website WebAlgebra for teaching basic algebra, trigonometry, and calculus
Advisors
	n Steven Bradlow, Ph. D. thesis advisor, University of Illinois at Urbana-Champaign n William Haboush, Ph. D. thesis advisor, University of Illinois at Urbana-Champaign n Brendan Hassett, postdoctoral advisor, Rice University
references
	n William Blair, Professor and Chair, Northern Illinois University (teaching) n David Gieseker, Professor, University of California at Los Angeles n Joe Harris, Professor, Harvard University n Shigefumi Mori, Professor, Research Institute for Mathematical Sciences n Ian Morrison, Professor, Fordham University n Ravi Vakil, Professor, Stanford University