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      Ohad Perry

    E-mail:  op2105@columbia.edu

 

PhD Student, IEOR Department, Columbia University

500 West 120th Street

New York, NY 10027

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    Education:

    B.Sc., Mathematics and Statistics, University of Haifa (summa cum laude), 2004.

    M.S., Operations Research, IEOR Department , Columbia University, 2005.

    Ph.D., IEOR Department, Columbia University , 2009 (expected) - supervised by Professor Ward Whitt.

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    Research Papers:

  1. O. Perry, W. Whitt,   "Responding to Unexpected Overloads in Large-Scale Service Systems".     Management Science, vol. 55, No. 8, 2009, pp. 1353-1367.  

  2. O. Perry, W. Whitt,   "A Fluid Approximation for Service Systems Responding to Unexpected Overloads".     Operations Research,   revised.

    3.     Online supplement.

  3. O. Perry, W. Whitt,   "Transient and Stability Analysis of the Many-Server Heavy-Traffic Fluid Limit for the Overloaded X Call-Center Model".     Submitted.

  4. O. Perry, W. Whitt,   "Heavy-Traffic Limits for an Overloaded System via an Averaging Principle".     Working Paper.

  5. O. Perry, W. Whitt,   "Fluid Approximations for Non-Markovian Systems Under Queue-Ratio Controls".   Working Paper.

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    Teaching Assistant (Recitations):

Statistics Department, Haifa

  • Introduction to Mathematical Analysis,    Fall '02 -- Spring '04.

  • Calculus II,    Spring '02 -- Spring '04.

    IEOR Department, Columbia

  • Intro to OR, Stochastic Models (master's), Fall '04.

  • Intro to OR, Probability and Statistics (master's), Spring '05.

  • Elementry Stochastic Processes (master's), Fall '05.

  • Simulation (master's), Spring '06.

  • Stochastic Models for Financial Engineering (masters in FE), Summer '06.

  • Intro to OR, Stochastic Models (master's), Fall '06.

  • Intro to Probability and Statistics (undergraduate's), Spring '07.

  • Stochastic Models for Financial Engineering (masters in FE), Summer '07.

  • Statistical Inference for Financial Engineering (masters in FE), Summer '08.

  • Intro to OR, Stochastic Models (master's), Fall '08.

  • Intro to Probability and Statistics (undergraduate's), Spring '09.

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