Ph.D Student - Supply Chain & Information Systems

Contact information

Address:

Smeal College of Business

The Pennsylvania State University

471B Business Building

University Park, PA 16802

E-mail:

nsantam[at]psu.edu

Education

Ph.D in Business Administration and Operations Research (hopefully), Penn State (USA), 20??.
M.Sc. in Operations Research, Rutgers University (USA), 2007.
B.Sc.and M.Sc in Industrial Engineering, Universidad de los Andes (Bogotá, Colombia), 2001/2003.

Research Interests

Combinatorial auctions.
Auctions in procurement.
Transaction costs in auctions.

Publications

Santamaría N., Medaglia, A. L., Beltrán, F., Solving the Winner Determination Problem in a Divisible-Object Auction. The Engineering Economist. Volume 52, Issue 2, April 2007, pages 179 - 194.
Beltrán, F., Santamaría N., A Measure of The Variability of Revenue in Auctions: A Look at The Revenue Equivalence Theorem. Journal of Applied Mathematics and Decision Sciences (2006), 10th Anniversary Special Issue, Article ID 27417, 14 pages.

Professional Publications

Medaglia, A. L.. and Santamaría, N. DLP and Extensions: An Optimization Model and Decision Support System (Springer-Verlag, 2001.). Book review. Journal of the Operational Research Society (2005), Vol.56, 1452--1454.

Conference Talks

Santamaría, N., Medaglia, A. L., and Beltrán, F.. Análisis del problema de determinación del ganador en subastas de objetos divisibles. XI Latin American Summer Workshop in Operations Research. Villa de Leyva, Colombia, 2005.
Santamaría, N. , Beltrán, F. An Approach to the bidder problem in Combinatorial Auctions. Invited talk given at CORS/INFORMS Joint Meeting, The Banff Centre, Banff, Canada. 2004
Beltrán, F., Santamaría N., A Measure of the Variability of Revenue to an Auctioneer: A look to the Theorem of Equivalent Revenue. Contributed talk given at 39th Annual ORSNZ Conference, Auckland, New Zealand, 2004.
Santamaría, N., Beltrán, F., and Medaglia, A. L. . An algorithm for divisible object auctions. Contributed talk given at INFORMS 2003 Annual Meeting, Atlanta, U.S.A, 2003.

Awards and Honors

Fulbright Scholar (Colombia), 2005-2006
Colciencias Young Researchers Fellowship (Colombia), 2002

Research groups and people

In Memoriam: Michael H. Rothkopf
A web memorial for a great Advisor and mentor.
Center for Optimization and Applied Probability (COPA)
Research group at Universidad de los Andes.
Rutgers Center for Operations Research (RUTCOR)
Research group at Rutgers University.

Personal stuff

empujando lápiz:
Tales from a colombian PhD student (the posts are written in Spanish and Spanglish).
Fotos:
Shots by a photographer-wanna-be.
Colombia: The only risk is wanting to stay.

And by the way, it's ColOmbia not ColUmbia.