Teaching 
- Spring 2008:
- Office hours: Mon. & Fri. 11:30 - 12:25, Tues. 3:00 - 4:00 pm, or by appointment.
- MA266, Ordinary Differential Equations
- Please refer to the Course webpage for the general information on the assignments and resources.
- Students in my sections (MWF 9:30 am & 10:30 am) should also pay attention to these ground rules .
- Fall 2007:
- MA266, Ordinary Differential Equations
- MA503, Abstract Algbera
- Textbook: "Abstract Algebra" by Dommit and Foote;
Other reference: "Algebra" by Hungerford
- Course policy and information .
- Office hours: Mon. & Fri. 11:30 - 12:25, Tues. 3:00 - 4:00 pm, or by appointment.
Research 
- Filtrations of Modules, the Chow Group, and
the Grothendieck Group,
- J. Algebra 219 (1999) 330-344, Abstract, Article .
- An Intersection Multiplicity in Terms of Ext-modules,
- Proc. Amer. Math. Soc. 130 (2002) 327-336, Abstract, Article .
- The equivalence of Hilbert Polynomials and Chern Polynomials over Projective n-spaces,
- Illinois J. Math. 48 no.2 (2004) 451-462, Abstract, Article .
- (with I-Chiau Huang)
- Module Structure of an Injective Resolution,
- Communications in Algebra 35 (2007) 3713 - 3750 Abstract, Article .
- (with Jung-Chen Liu and Bernd Ulrich)
- Buchsbaum-Rim Multiplicity as Hilbert-Samuel Multiplicity,
- to appear in J. Algebra, preprint .
- (with Christine Cumming and Tai Huy Ha)
- Multigraded Cohen-Macaulay Modules,
- to appear in Illinois J. Math. (2008), preprint.
- (with Jung-Chen Liu)
- A Note on Reductions of Monomial Ideals in k[x,y]_(x,y),
- preprint, submitted for publication.
- (with Claudia Miller)
- A Riemann-Roch Formula for the Blow-up of a Nonsingular Affine scheme, in preparation.
- J. Algebra 219 (1999) 330-344, Abstract, Article .
Conferences
- I was an organizer of the following conferences:
-
Homological Conjecture in Commutative Algebra
-- in Honor of Paul C. Roberts' 60th Birthday.
- May 18 - 19, 2006 at Snowbird, Utah. -- View and download the Poster designed by Borchyi Lin and Jean.
- This conference is sponsored by NSF, NSA and the University of Utah.
-
Arkansas Annual Spring Lecture Series
- Year 2005 Recent Developments in Tight Closure , April 14 - 16, 2005 at Fayetteville, Arkansas.
- This conference is sponsored by NSA and the University of Arkansas.
Inspiration Points
Department of Mathematics