Andrew D. Hwang
Holy Cross
Mathematics and Computer Science
Last modified: May 27, 2014
Biographical Information
Contact Information
 Tel: (508) 7932458
 Email: ahwang at holycros dot edu
Employment
 2006–present: College of the Holy Cross, Associate Professor
 2000–2006: College of the Holy Cross, Assistant Professor
 1995–1999: University of Toronto, Assistant Professor
 1994–1995: Osaka University, JSPS Postdoctoral Research Fellow
 1993–1994: California State University at Hayward, Instructor
 Summer, 1993: University of California, Berkeley, Summer
Instructor
Degrees
 Ph.D. 1993 (Mathematics) University of California, Berkeley
 A.B. 1986 (Mathematics) University of California, Berkeley
Scholarly and Professional Work
Mathematical Interests
Global Analysis: Existence of extremal Kähler metrics on
compact manifolds, and energy minimization; variations of the
Kähler class.
Differential Geometry of Complex Manifolds:
Momentum construction of Kähler metrics of specified
scalar curvature in Hermitian disk bundles. Conformality of Kähler
metrics to Einstein metrics on complex surfaces.
Complex Algebraic Geometry: Obstructions to existence of
extremal metrics on algebraic manifolds. Existence of Kähler metrics
of constant scalar curvature on manifolds with reductive automorphism
group.
Refereed Publications
Unstarred titles linked below are freely downloadable as PDF
files. Starred items are available gratis if downloaded from a
site with the appropriate repository access; hard copies can be mailed
on request.

(*) A conjecture
on the group of biholomorphisms of a nonsingular Fano
variety, Int. J. Math., 4 (1993), 833–9. (with
T. Mabuchi)

On
existence of Kähler metrics with constant scalar
curvature, Osaka J. Math., 31 (1994), 561–595.

(*) On the
Calabi energy of Extremal Kähler metrics,
Int. J. Math., 6 (1995), 825–830.

Extremal metrics
and the Calabi energy, Proc. Japan Acad.,
Ser. A, 71, No. 6, (1995) 128–129. (research
announcement)

Distinguished
Kähler metrics on Hirzebruch surfaces,
Trans. AMS, 347 (1995), 1013–1021. (with
S. R. Simanca)

(*) Extremal
Kähler metrics on Hirzebruch surfaces which are locally
conformally equivalent to Einstein metrics, Math. Annalen,
309 (1997), 97–106. (with S. R. Simanca)

A
momentum construction for circleinvariant Kähler
metrics, Trans. AMS 354 (2002), 2285–2325. (with
M. A. Singer)

A symplectic look at surfaces of revolution,
l'Enseignement Mathématique 49 (2003), 157–172.

Central
metrics of nonconstant curvature,
Trans. AMS 356 (2003), 2183–2203. (with
G. Maschler)

Neutrally
stable fixed points of the QR algorithm, Int. J. of
Numerical Analysis and Modeling 1 (2004), 147–156. (with
D. Day)

(*)
Spacetime slices and surfaces of revolution,
J. Math. Phys., 45 (2004) 4551–4559.
(with J. T. Giblin, Jr.)

(*) Paper
Surface Geometry: Surveying a locally Euclidean universe,
Amer. Math. Monthly, 120 (2013), 487–499.
NonRefereed Publications
 Writing in the Age of LaTeX,
Notices of the AMS, 42 (1995), 878–884.
 ePiX:
A utility for creating mathematically accurate
figures, TUGboat, 25 (2004), 172–176.
 LaTeX
at Distributed Proofreaders and the electronic preservation of
mathematical literature at Project Gutenberg,
TUGboat, 32 (2011), 32–38.
Public Domain ebooks
Listed on a separate page.
Software
 ePiX: A utility for creating cameraquality line figures
in LaTeX, available from
CTAN or the
project homepage
 pglatex: Programs used at
Project Gutenberg to
prepare LaTeX ebooks for publication.