The Effects of a Technological Problem Solving Activity on FIRST LEGO League Participants' Problem Solving Style and Performance
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- Doctoral Dissertations 
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Working Through Problems: An Investigation of the Problems and Problem-Solving Approaches of Beginning Teachers Jones, Troy (Virginia Tech, 2008-08-07)The purpose of the present investigation was to determine what professional and personal problems elementary-school teachers face during their initial years of teaching and how they cope with or solve these problems. ...
Branch-and-Price Method for Stochastic Generalized Assignment Problem, Hospital Staff Scheduling Problem and Stochastic Short-Term Personnel Planning Problem Kim, Seon Ki (Virginia Tech, 2009-03-05)The work presented in this dissertation has been focused on exploiting the branch-and-price (BNP) method for the solution of various stochastic mixed integer programming problems (MIPs). In particular, we address the ...
The polyhedral structure of certain combinatorial optimization problems with application to a naval defense problem Lee, Youngho (Virginia Tech, 1992-06-05)
This research deals with a study of the polyhedral structure of three important combinatorial optimization problems, namely, the generalized upper bounding (GUS) constrained knapsack problem, the set partitioning problem, ...