Welcome to the home page of
Zhonggang
Zeng Professor of
Mathematics
Office: 204H,
Office hours:
Monday & Wednesday: 11:00am--1:00pm,
Tuesday: 11:00am--12:00noon
Teaching
material [Math
187][Math 304] [Math 340] and
[Previous
courses]
Research projects:
(supported
in part by National Science Foundation under
Grant DMS-0715127 and DMS-0412003)
New release:
-- ApaTools:
a software
toolbox for approximate polynomial algebra
Maple
version:
ApaTools
and Matlab version:
Apalab
Selected publications:
Computing multiple roots of inexact
polynomials,
Z. Zeng,
Mathematics of Computation,
74(2005), pp 869 -
903
[PS], [PDF]
This work won the Distinguished Paper Award at ACM ISSAC '03
Conference
The
citation:
Algorithm 835:
MultRoot -- A Matlab
package for computing polynomial roots
and
multiplicities, Z. Zeng, ACM Transaction
on Mathematical Software, 30, pp 218-315, 2004
[PS] [PDF] [Software
Package]
The approximate GCD of inexact
polynomials I: a univariate algorithm
[PS][PDF]
Z. Zeng, to appear
The approximate GCD of inexact
polynomials II: a multivariate algorithm [PS][PDF]
Z. Zeng and B. H. Dayton, Proceedings of ISSAC 2004, pp
320-327, 2004
A rank-revealing method with updating,
downdating and applications [PDF]
T.Y. Li and Z. Zeng, SIAM Journal on Matrix Analysis and
Applications, to appear
Presentations (click the image to open the file, then keep clicking to see the animation)
