Alexa van der Waall, Research associate and project manager at Simon Fraser University

Publications

Articles

Peter Borwein, Greg Fee, Ron Ferguson and Alexa van der Waall, Zeros of Partial Sums of the Riemann Zeta-functions, Journal of Experimental Mathematics, Vol. 16, Number 1, pg. 21-39, 2007.
Frits Beukers and Alexa van der Waall, Lamé equations with algebraic solutions, Journal of Differential Equations, Vol. 107, pg. 1-25, 2004.
H.A. van der Waall and R.W. van der Waall, The Christoffel plaque in Monschau, The Mathematical Intelligencer,Vol. 25, Number 3, pages 47--51, Summer 2003.
H.A. van der Waall, Lamé equations with finite monodromy, Dissertation, Universiteit Utrecht, 2002.
H.A. van der Waall, Galois cohomology and class groups, M.Sc. thesis (equivalent), Universiteit van Amsterdam, 1994.

Submitted

B. Ramadanovic, A. van der Waall, A.R. Rutherford, L. Vertesi, Y. Wang, I. Rongve, Performance Metrics and Service Discipline in a System-Scale Model of Surgical Wait List (currently in proceedings of ORAHS 2009 conference ISBN: 9789081409902), to be published in International Journal of Health Management and Information.

Book Chapters

Handbook documentation on the factorisation of differential operators over Laurent series rings in the computer algebra system MAGMA, addition to the chapter on differential operators, to be available in the upcoming version, August 2009.
Azadeh Alimadad et. al. Using Varieties of Simulation Modeling for Criminal Justice System Analysis, in Artificial Crime Analysis Systems: Using Computer Simulations and Geographic Information Systems, pages 372--413, John Eck and Lin Lui (eds.), Hershey: Idea Group Inc., 2008.
Handbook chapter expansion on various structures related to differential Galois theory in the computer algebra system MAGMA, available since Version 2.12, July 2005.
Handbook chapter on various structures related to differential Galois theory in the computer algebra system MAGMA, available since Version 2.11, September 2003.
Alexa van der Waall and Robert W. van der Waall, In search of Elwin Bruno Christoffel; Is this famous mathematician not so well-known?, in Symmetry: Art and Science; Matomium Conference at Brussels, Belgium, 2002.

Reports

A.van der Waall et. al., Planning scenario outcomes for hip, knee and cataract surgeries in British Columbia, Prepared for the Ministry of Health Services of British Columbia, CSMG, 2009.
A.van der Waall et. al., Analysis and modelling of hip, knee and cataract surgeries in British Columbia during 2001--2008 on a health authority level, Prepared for the Ministry of Health Services of British Columbia, CSMG, 2009.
S. Rutherford et. al. Exploring the Capabilities and Opportunities for the Criminal Justice System Model, A Report Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General, CSMG, 2009.
V. Dabbaghian et. al., Simulation Modelling of the Criminal Justice System of British Columbia: Scenario Simulations in Support of Fall 2009 Treasury Board Submissions, A Report Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General, CSMG, 2009.
A. Alimadad at. al., Simulation Modelling of the Criminal Justice System of British Columbia: Phase II Incorporating Crime Types, Regions and Resourcing, A Summary Report Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General, CSMG, 2008.
A. Alimadad at. al., Simulation Modelling of the Criminal Justice System of British Columbia: Phase II Incorporating Six Crime Types in Five Regions, End of phase report prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General, CSMG, 2008.
K. Vasarhelyi and A. van der Waall, Phase 2 Simulation model of the criminal justice system of British Columbia; Five crime types and five regions, Internal report, Part II, CSMG, 2008, 476 pages.
K. Vasarhelyi and A. van der Waall, Phase 2 Simulation model of the criminal justice system of British Columbia; Five crime types and five regions, Internal report, Part I, CSMG, 2008, 238 pages.
A. Alimadad at. al., Simulation Modelling of the Criminal Justice System of British Columbia: Phase IIb Incorporating Five Different Crime Types in Five Regions, Prepared for the Ministry of Attorney General and Ministry of Public Safety and Solicitor General, CSMG, 2008.
A. Alimadad at. al., Modelling of the Criminal Justice System for British Columbia: Phase IIa, Incorporating Five Different Crime Types., Prepared for the British Columbia Ministry of Public Safety and Solicitor General and the Ministry of the Attorney General, CSMG, 2008.
Alexa van der Waall et. al., Estimates for Hip and Knee Surgeries in British Columbia in 2007 - 2012, prepared for the British Columbia Ministry of Health, CSMG, 2008, 141 pages.
Alexa van der Waall et. al., Data Analysis of Hip and Knee Surgeries in British Columbia during 2001 - 2007 and a Piece-wise Linear Model for Hip and Knee Surgery Rates in 2007 - 2012, prepared for the British Columbia Ministry of Health, CSMG, 2008, 73 pages.
Vahid Dabbaghian-Abdoly et. al., Simulation Modelling of the Criminal Justice System, A High-Level Model for British Columbia, Canada, Final report prepared for the British Columbia Ministry of Public Safety and Solicitor-General and the Ministry of the Attorney-General, CSMG, 2008, 120 pages.
A. van der Waall, A system dynamics model for policing and court, prepared for the Institute for Canadian Urban Research Studies ( ICURS), Simon Fraser University, Canada, 2007,16 pages.
A. R. Rutherford and K. Vasarhelyi (eds.), Modelling the Demand for Healthcare, Monograph prepared for the British Columbia Ministry of Health, CSMG, 2006.

Posters

N. Richardson, A.R. Rutherford, B. Ramadanovic, B. Marshall, A. Kaida, P. Bastani, A. van der Waall, J.S.G. Montaner, V.D. Lima, K. Fernandes, R.S. Hogg, P. Borwein, K. Vasarhelyi, Expanding HAART to Control the Spread of HIV Among Injection Drug Users - A Mathematical Model, 5th IAS Conference on HIV Pathogens, Treatment and Prevention, Cape Town, South Africa, 19-22 July 2009.
A. van der Waall, L. Vertesi, B. Ramadanovic, I. Rongve, Y. Wang, A.R. Rutherford, Modelling of High-level Surgical Wait-lists, Access to surgery in British Columbia Conference, Richmond, Canada, Jan 15-16, 2009, on invitation.
V. Dabbaghian, E. Fowler, C. Giles, N. Richardson, A. Rutherford, and A. van der Waall, Simulation Modelling of the Criminal Justice System , IRMACS Day, Simon Fraser University, Canada, April 3, 2008.
Greg Fee, Ron Ferguson and Alexa van der Waall, Computing zeroes of truncated zeta-functions, MITACS Third Annual Meeting (AGM), Vancouver, Canada, 2002.