Name/Contact Info:
Sungkon Chang,
Sungkon.Chang@armstrong.edu
Students in my courses, please,
use the WebAssign or D2L mail.
Phone: 9123442889
Education
 1998: BS, Kangwon National University: link
 2005: PhD, University of Georgia: link
PhD Advisor: Dino Lorenzini

Mathematical Interest:
 Arithmetic of abelian varieties
 Modular curves
and Automorphic forms
 Algebraic number theory
 Geometry of Physics

Introduction for general audience
Invitation to Advanced Studies
Number Theory Web
A gateway to number theory
My Student Hall of Fame

Activities
Conferences/Seminars:
 2011 Southeast Regional Meeting on
Numbers.
 Spring Problem Session and
Fall Putnam
Seminar
 Palmetto Number Theory Series X at Savannah, GA
Article Reviews
Recent Talks:
 Nov, 2012:
The geometry of Einstein's Theory of Relativity, Part II
Hudson Colloquia, AASU
 Apr, 2012:
The geometry of Einstein's Theory of Relativity, Part I
Hudson Colloquia, AASU
 Nov, 2011: Introduction to Differential Geometry,
Hudson Colloquia, AASU
 Apr, 2011: Reflection on the 71th Putnam Competition,
Hudson Colloquia, AASU
 Oct, 2010: The algebra of Grand Unified Theories,
Hudson Colloquia, AASU
Talk(s) coming:
 Diophantine Approximation,
Hudson Colloquia, AASU
 Mathematics and Music,
Hudson Colloquia, AASU
Slides of my talks.

Research/Teaching
Teaching in Fall 2013:
Publications
 Note, 2011:
A lesson on derivatives, The American Mathematical Monthly, 119 (2012)
 Animation, 2009: Taylor Polynomials Approximated by Interpolations,
demonstrations.wolfram.com.
 Paper, 2008:
Quadratic twists of an elliptic curve with small Selmer rank, Acta Arith 141 (2010) 345367.
 Paper, 2005:
On the arithmetic of twists of superelliptic curves,
Acta Arith 124 (2006) 371389.
[AMS Review by Bjorn Poonen]
 Paper, 2005:
Note on the rank of quadratic twists of Mordell equations,
J. Number Theory 118 (2006) 5361.
[AMS Review by Pavlos Tzermias]
 Technical Report, 2003:
Implementation of the 3descent on a Mordell's elliptic curve,
selmer3.html.
Projects:
 Finding a curve over the rationals with arbitrarily large genus with MW rank 0
 Verification of Birch and SwinnertonDyer Conjecture for quadratic twists of elliptic curves.
 Generalization of my thesis: twists on cyclic covering of curves of positive genus.
 Quadratic reciprocity on Galois conjugates
