Benjamin Armbruster

email: [lastname][first initial]@gmail.com
office: Tech M237

Stanford PhD in Management Science and Engineering

for visitors: maps and directions


Spring 2009 IEMS 310: Operations Research


If you download a file, and we have never corresponded before, please send me a note. I like to know who is interested. For the website, I've scaled the posters to letter paper size.

Health Policy

Cost-Effective Control of Chronic Viral Diseases: Finding the Optimal Level of Screening and Contact Tracing (draft) with Margaret L. Brandeau.

The Cost-Effectiveness of Contact Tracing for Endemic Diseases a poster at the Operating on Health Care conference in UBC, August 16-17, 2007, with Margaret L. Brandeau.

Contact Tracing to Control Infectious Disease: When Enough is Enough Health Care Management Science 10 (2007) 341-355, with Margaret L. Brandeau.

Who Do You Know? A Simulation Study of Infectious Disease Control Through Contact Tracing with Margaret L. Brandeau; Proceedings of the 2007 International Conference on Health Sciences Simulation (ICHSS), part of the 2007 Western MultiConference on Modeling & Simulation (WMC). Here are the slides accompanying my talk.

Optimal mix of screening and contact tracing for endemic diseases Mathematical Biosciences 209 (2007) 386-402, with Margaret L. Brandeau. I gave a guest lecture about this work March 14, 2006 in MS&E 292 (accompanying slides). This script generates the figures using Matlab 7.

Medical Physics

Note that AAPM is the American Association of Physicists in Medicine and that ASTRO is the American Society for Therapeutic Radiology And Oncology.

Formulating Adaptive Radiation Therapy (ART) Treatment Planning into a Closed-Loop Control Framework Physics in Medicine and Biology 52 (2007) 4137-4153, with Adam de la Zerda and Lei Xing. We presented a poster at the 2006 AAPM meeting on this work.

Dynamic Segment-Based Optimization (SBO) for 4D IMRT, a poster for the 2006 AAPM meeting with Adam de la Zerda and Lei Xing.

Spectrum Reconstruction from Dose Measurements as a Linear Inverse Problem Physics in Medicine and Biology 49 (2004) 5087–5099, with Russell J. Hamilton and Arthur K. Kuehl.

Mathematical Programming Formulations for Optimizing Radiation Treatment Strategies Proceedings of the 2004 IIE Annual Conference, with Russell J. Hamilton, Martin E. Lachaine, and J. Cole Smith. Here are the slides accompanying my talk. IIE is the Institute of Industrial Engineers.

Other Papers

Dynamic Spectrum Management with the Competitive Market Model draft (comments encouraged). with Yao Xie and Yinyu Ye.

Finding Equitable Convex Partitions of Points in a Polygon Efficiently accepted to the ACM Transactions on Algorithms, with John Gunnar Carlsson and Yinyu Ye. Here are some slides illustrating the heart of the algorithm. examples code

Finding 2d ham sandwich cuts in linear time draft (comments encouraged).

Sample Complexity of Smooth Stochastic Optimization draft (comments encouraged). I gave a guest lecture on this subject on March 9, 2006 in the MS&E INFORMS seminar (accompanying slides).

A Packet Filter Placement Problem with Application to Defense Against Spoofed Denial of Service Attacks European Journal of Operational Research 176 (2007) 1283-1292, with J. Cole Smith and Kihong Park

Fast Accurate Simulation of Physical Flows in Demand Networks Proceedings of the 2001 Semiconductor Manufacturing Operational Modeling and Simulation Symposium (SMOMS), with Karl G. Kempf, John W. Fowler, Kraig Knutson, Praveen Babu, and Brett M. Duarte.

Links to Coauthors

Margaret L. Brandeau (adviser), John Gunnar Carlsson, John W. Fowler, Russell J. Hamilton, Karl G. Kempf, Martin E. Lachaine, Kihong Park, J. Cole Smith, Yao Xie, Lei Xing, and Yinyu Ye.

Teaching

IEMS 326: Economics and Finance for Engineers, Winter 2009

finance project class (Stanford MS&E 444 Investment Practice) Spring 2008, Spring 2007

Other

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