Spencer D. Shellman

 

2652 Marshall St. NE #110

Minneapolis, MN 55418
(781) 572-1014

spenshel@yahoo.com

 

Objective

A position in commercial or scientific software development.

Skilled in

C++ (> 10 years), Fortran (3 years), MPI, OpenMP, UNIX/Linux, Latex

Experience

Postdoctoral researcher, Department of Computer Science, University of Minnesota – Twin Cities.  Advisor: Dr. Jousef Saad (saad@cs.umn.edu).

Period:

January 2004-May 2004

Description:

Develop software for electronic structure calculations.

 

Research Software Developer, Ansoft.  Supervisor: Mark Reichelt (mreichelt@ansoft.com).

Period:

October 2003-December 2003

Description:

Develop software and new methods for simulation of RF circuits.

 

Postdoctoral researcher, Department of Computer and Computational Sciences, Los Alamos National Laboratory.

Period:

January 2003-October 2003

Description:

Develop software and new methods for computational fluid dynamics.

 

Research assistant, Department of Computer and Computational Sciences, Los Alamos National Laboratory.

Period:

May 2002-December 2002

Description:

Develop a parallel implementation of the Lanczos method for computation of eigenvalues and eigenvectors.

 

Research assistant, ASCI/C-SAFE, University of Utah.

Period:

January 2000-January 2002

Description:

Develop parallel codes for molecular dynamics simulation software.  Funded by ASCI/DOE.

 

Software developer, Xactware, Inc., OremUT.

Period:

November 1992-September 1997

Description:

Develop software applications for estimation.

 

Software developer, Sculptured Software, Salt Lake CityUT.

Period:

July 1991-November 1992

Description:

Develop computer games and game construction tools.

Education

Ph.D., Computer Science, University of UtahSalt Lake CityUT.

Advisor:

Dr. Kris Sikorski

Dissertation:

"Efficient Algorithms for Nonlinear Optimization and Fixed Points"

GPA:

3.958

Completed:

August 2002

 

B.S., Computer Science, Brigham Young UniversityProvoUT.

GPA:

3.7

Completed:

June 1989

Publications

S. Shellman and K. Sikorski.

A Recursive Algorithm for the Infinity-Norm Fixed Point Problem.

Journal of Complexity Vol. 19 Issue 6 (December 2003), pp. 799-834.

 

S. Shellman, J. Lewis, et al.

Massively parallel linear-scaling algorithm in the ab initio tight-binding Fireball method.

Journal of Computational Physics Vol. 188 Issue 1 (June 2003), pp. 1-15.

 

S. Shellman and K. Sikorski.

A Two-Dimensional Bisection Envelope Algorithm for Fixed Points.

Journal of Complexity Vol. 18 No. 2 (June 2002), pp. 641-659.

 

S. Shellman and K. Sikorski.

A Deep-Cut Bisection Envelope Algorithm for Fixed Points.

ACM Transactions on Mathematical Software Vol. 29 No. 3 (Sep. 2003), pp. 309-325.

 

S. Shellman and K. Sikorski.

A Recursive Fixed Point Algorithm for the Infinity-Norm Case.

Submitted to ACM Transactions on Mathematical Software.

Talks

July 20, 2000: AMS-IMS-SIAM Joint Summer Research Conference in Algorithms, Computational Complexity, and Models of

Computation for Nonlinear and Multivariate Problems.  Mt. Holyoke College, MA.  Subject: Complexity of fixed points.

July 3, 2002: Presentation of fixed point research at a group meeting of the CCS-2 department, Los Alamos National Laboratory.

August 5, 2002: Conference on Foundations of Computational Mathematics.  University of Minnesota, Minneapolis, MN.

Subject: A two-dimensional fixed point algorithm.

October 2002: Dagstuhl Seminar on Algorithms and Complexity for Continuous Problems.  Schloss Dagstuhl, Wadern, Germany.

Subject: A general fixed point algorithm.

Courses taken

Scientific computation, scientific visualization, real analysis, differential equations

References

Barry Smith, Scientist, Department of Computer and Computational Sciences, Los Alamos National Laboratory.

LANL, CCS-2, MS D413

Los Alamos, NM 87545

(505) 667-1585

bwsmith@lanl.gov

 

Kris Sikorski, Professor, School of Computing, University of Utah.

50 S Central Campus Drive Rm 3190, University of Utah

Salt Lake City, UT 84112-9205

(801) 581-8579

sikorski@cs.utah.edu

 

Jane Cullum, Scientist, Department of Computer and Computational Sciences, Los Alamos National Laboratory (retired).

 

cullumj@aol.com

 

Frank Stenger, Professor, School of Computing, University of Utah.

(801) 521-9818

stenger@cs.utah.edu

 

James Lewis, Professor, Physics and Astronomy, Brigham Young University.

N319 ESC P.O. Box 24658, Brigham Young University

Provo, UT 84602-4658

(801) 422-7444

james_lewis@byu.edu

 

Mark Tyler, Vice President of Software Development, Xactware, Orem, Utah.

(801) 226-6340

 

Hal Rushton, Vice President of Software Development, Sculptured Software, Salt Lake City, Utah.

(801) 254-3723

 

Paul Hovland, Staff member, Mathematics and Computer Science, Argonne National Laboratory.

(630) 252-6384

hovland@mcs.anl.gov