IMA University of Minnesota

Weifeng(Frederick) Qiu


Second Year IMA Postdoctoral fellow at University of Minnesota.

Teaching:

I am teaching MATH2374 in fall 2011 semester. My office hour is 9:00-11:00AM Wednesday and 9:00-10:00AM Friday.

Publications:


Bernardo Cockburn, Weifeng Qiu, Manuel Solano "A priori error analysis for HDG methods using extensions from subdomains to achieve boundary-conformity",
submitted,2012

Bernardo Cockburn, Weifeng Qiu, Ke Shi "Superconvergent HDG methods on isoparametric elements for second-order elliptic problems",
SIAM J. Numer. Anal., accepted,2012.

Bernardo Cockburn, Weifeng Qiu "Commuting diagrams for the TNT elements",
submitted,2011.

Jay Gopalakrishnan, Weifeng Qiu "An analysis of the practical DPG method",
Mathematics of Computation, accepted,2012.

J. Bramwell, L. Demkowicz, J. Gopalakrishnan, W. Qiu "A Locking-free hp DPG method for linear elasticity with symmetric stresses",
Numerische Mathematik, accepted,2012.

Jay Gopalakrishnan, Weifeng Qiu "Partial expansion of a Lipschitz domain and some applications",
Frontiers of Mathematics in China, 7:249-272,2012.

Bernardo Cockburn, Weifeng Qiu, Ke Shi "Conditions for superconvergence of HDG methods for second-order elliptic problems"
Mathematics of Computation, 81:1327-1353,2012.

Weifeng Qiu, Leszek Demkowicz "Mixed hp-finite element method for linear elasticity with weakly imposed symmetry: stability analysis",
SIAM J. Numer. Anal., 49:619-641,2011.

Weifeng Qiu, Leszek Demkowicz "Mixed hp-finite element method for linear elasticity with weakly imposed symmetry",
Computer Methods in Applied Mechanics and Engineering, 198:3682-3701,2009.

Peng Yu, Weifeng Qiu, and D. Z. Pan, "Fast Lithography Image Simulation By Exploiting Symmetries in Lithography Systems",
IEEE Transactions on Semiconductor Manufacturing, to appear, November 2008.

Leszek Demkowicz, Paolo Gatto, Weifeng Qiu, Andrew Joplin "G1-Interpolation and geometry reconstruction for higher order finite elements",
Computer Methods in Applied Mechanics and Engineering, Available online 5 June 2008.

Shenrong Wu, Weifeng Qiu "Nonlinear transient dynamic analysis by explicit finite element with iterative consistent mass matrix",
Communications in Numerical Methods in Engineering, Published Online: 11 Apr 2008.

About me: