Jungkai Alfred Chen

Courses

Advanced Algebra I

Topics in algebraic geometry III, student seminar.

previous courses pages

Fall, 2003: Advanced Algebra I, Algebraic Surfaces I

Spring, 2004: Advanced Algebra II, Algebraic Surfaces II

Fall, 2004: Riemann Surfaces, Algebraic Geometry and Arithmetic Geometry 

Spring, 2005: Algebraic Curves, Topics in Algebraic Geometry and Number Theory

Fall, 2005: Intro. Alg. Geom, (hw, notes), Topics in algebraic geometry,

Spring, 2006: Complex Algebraic Geometry, Topics in algebraic geometry II

Algebraic Geometry in Taiwan

Upcoming Algebraic Geometry seminars and meetings:

     Student Seminar in Algebraic Geometry

Past events:

    Higher Dimensional Algebraic Geometry

            Mar. 22, 2004- Mar. 28, 2004

    2004 NCTS Summer School and Workshop in Algebraic Geometry

            Jun. 22, 2004- Jul. 9, 2004

    2005 NCTS Summer School in Algebraic Geometry

            Aug. 8, 2005- Aug. 18, 2005

    Summer Course in Homological Algebra and D-module

            Aug. 8, 2005- Sep. 2, 2005

    Algebraic Geometry Days:

            Nov. 28, 2005 @  Nat'l Taiwan Univ.

            Dec. 19, 2005 @  Nat'l Central Univ.

            Jan. ?, 2006

     CTS/TPE at NTU, Taipei,

     NCTS Hsin-Chu

     Other places:

        AMS-TMS joint meeting. TongHai University, Taichung.

            Dec. 14, 2005 (Wed.)- Dec. 18, 2005 (Sun.) 

Math Links

Here are some useful links:

AMS MathSciNet*, review of journal articles and books.

ArXiv preprint server, preprints.

J-Stor*, which includes fulltext journal articles from:

    Ann. Math., Tran. AMS., Proc. AMS., Amer. J. Math.

Numdam=Numérisation de documents anciens mathématiques, which includes:

    Publ. Math. IHES, Bull. SMF, Mem. SMF, Ann. Sci. Ecole. Nor. Sup, Ann. Inst. Four.

GDZ=Göttinger Digitalisierungs-Zentrum, which includes:

    Invent. Math., Math. Ann. Math. Zeit.

Project Euclid, includes:

    Comm. Math. Phy. (1965-1996), Nagoya Math. J. Pac. J. Math.

    and some partially open journals.

*: Accessible only if you or your institute have current subscription.

C'est Moi

  I'm now a professor in Natioanl Taiwan University. I worked in National Chung Cheng University before I moved to Taipei in 2003. I serve as a member of some committee of

National Science Council (NSC) and Center for Theoretic Science (CTS).

My publications:

1.  J. A. Chen, On genera of smooth curves in higher dimensional varieties, Proc. Amer. Math. Soc, 125,(1997) 2221-2225.

2.  J. A. Chen, C. D. Hacon, Characterization of abelian varieties, Inventiones Mathematicae, 143, (2001), 435-447.

3.  J. A. Chen, C. D. Hacon, Pluricanonical maps of varieties of maximal Albanese dimension, Math. Ann. 320, (2001), 367-380.

4.  J.A. Chen, C. D. Hacon, On algebraic fiber spaces over varieties of maximal Albanese dimension, Duke Math. Jour., 111, (2002), 159-175.

5.  J.X. Cai, J.A.Chen, A note on characterizations of Abelian varieties by topological invariants, Manu. Math., 112, (2003) 15-19.

6.  J.A. Chen, C. D. Hacon, On the irregularity of the image of the Iitaka fibration, Comm. Alg., 32, (2004), 203-215.

7.  J.A. Chen, C. D. Hacon, Varieties with P₃=4 and q=dim X, Ann. Sc. norm. super. Pisa, to appear.

8.  J.A. Chen, C. D. Hacon, An example of a surface of general type with p_g=q=2 and K_X²=5, Pacific Jour. Math., to appear

9.  J.A. Chen, M. Chen, D.Q. Zhang, A nonvanishing theorem for Q-divisors on surfaces, J. Algebra., to appear

10. J. A. Chen, M. Chen, D.Q. Zhang, The 5-canonical system on 3-folds of general type, J. Reine Angew. Math., to appear.

11. F. Campana, J. A. Chen, T. Peternell, On strictly nef divisors, in preparation.