Research

Published or Accepted

Decreasing Airline Delay Propagation By Re-Allocating Scheduled Slack
Shervin AhmadBeygi, Amy M. Cohn and Marcial Lapp
To appear in IIE Transactions, 2009.

Solving Truckload Procurement Auctions Over an Exponential Number of Bundles
Richard Chen, Shervin AhmadBeygi, Damian Beil, Amy Cohn and Amitabh Sinha
To appear in Transportation Science, 2009.

An Integer Programming Approach to Generating Airline Crew Pairings
Shervin AhmadBeygi, Amy M. Cohn and Marshall Weir
Computers & Operations Research, 36(4):1284-1298, 2009.

The Flexible Patient Flow Simulation Framework
Jonathan E. Helm, Shervin AhmadBeygi, Mark P. Van Oyen
Proceedings of the 2009 Industrial Engineering Research Conference.

Analysis of the Potential for Delay Propagation in Passenger Airline Networks
Shervin AhmadBeygi, Amy M. Cohn, Yihan Guan and Peter Belobaba
Journal of Air Transport Management, 14(5):221-236, 2008.

A Recursion-Based Approach to Simulating Airline Schedule Robustness
Marcial Lapp, Shervin AhmadBeygi, Amy M. Cohn and Omer Tsimhoni
Proceedings of the 2008Winter Simulation Conference.

Under Review

Design and Analysis of Hospital Admission Control for Operational EffectivenessJonathan Helm, Shervin AhmadBeygi and Mark Van Oyen
Submitted to Production and Operations Management, 2008.

Work in Progress

Stochastic Combinatorial Truckload Procurement AuctionsShervin AhmadBeygi, Amy M. Cohn, Damian Beil, Richard Chen and Amitabh Sinha.

Conference Presentation

Decreasing Airline Delay Propagation By Re-Allocating Scheduled Slack
Shervin AhmadBeygi, Amy M. Cohn and Marcial Lapp
INFORMS Annual Conference, October 2008,Washington D.C.
 
Solving Stochastic Combinatorial Truckload Procurement Auctions Under Uncertainty
Shervin AhmadBeygi, Amy M. Cohn, Damian Beil, Richard Chen and Amitabh Sinha
INFORMS Annual Conference, October 2008,Washington D.C.
 
Understanding the Importance of Linking Admissions to Census
Shervin AhmadBeygi, Jonathan Helm and Mark Van Oyen
Third Annual Innovations in Healthcare Delivery Conference, September 2008, Cincinnati.
 
Stochastic Combinatorial Truckload Procurement Auctions
Shervin AhmadBeygi, Amy M. Cohn, Damian Beil, Richard Chen and Amitabh Sinha
INFORMS Annual Conference, November 2007, Seattle.
 
Measuring and Minimizing Delay Propagation in Passenger Airline Plans
Shervin AhmadBeygi and Amy M. Cohn
INFORMS Midwest Regional Meeting, August 2007, Evanston.
 
Airline Planning to Minimize Delay Propagation
Shervin AhmadBeygi, Amy M. Cohn and Peter Belobaba
IIE Annual Conference, May 2007, Nashville.
 
Assessing Delay Propagation in Airline Plans
Shervin AhmadBeygi, Amy M. Cohn, Yihan Guan and Peter Belobaba
INFORMS Annual Conference, November 2006, Pittsburgh.
 
Solving Large Crew Pairing Problems for Integrated and Robust Planning
Shervin AhmadBeygi and Amy M. Cohn
INFORMS Annual Conference, November 2005, San Francisco.
 
An Optimization Approach to Solving the Airline Crew Pairing Problem
Amy M. Cohn (speaker) and Shervin AhmadBeygi
IIE Annual Conference, May 2005, Atlanta.
 
Dominance and Indifference in Airline Planning Decisions
Amy M. Cohn (speaker), Ko-Ming Liu, Shervin AhmadBeygi
NEXTOR Conference: INFORMS Aviation Session, June 2003, Atlanta.