Iranian Journal of Operations Research http://www.iors.ir Iranian Journal of Operations Research - Journal articles for year 2009, Volume 1, Number 2 Yektaweb Collection - https://yektaweb.com en 2009/6/11 Some Applications of Semidefinite Optimization from an Operations Research Viewpoint http://iors.ir/journal/browse.php?a_id=62&sid=1&slc_lang=en Levent Tunçel Some Results on Necessary Conditions for Tow Quasidifferentiable Optimization Problems http://iors.ir/journal/browse.php?a_id=64&sid=1&slc_lang=en Zun-Quan Xia Applications of Analytic Network Process in Entertainment http://iors.ir/journal/browse.php?a_id=63&sid=1&slc_lang=en Thomas Saaty Real Time Study of a k-out-of-n System: n Identical Elements with Increasing Failure Rates http://iors.ir/journal/browse.php?a_id=65&sid=1&slc_lang=en Mani Sharifi Fuzzy Primal Simplex Algorithms for Solving Fuzzy Linear Programming Problems http://iors.ir/journal/browse.php?a_id=66&sid=1&slc_lang=en Nezam Mahdavi-Amiri A New Control Chart to Monitor Mean Shifts of Bi-Variate Quality Control Processes http://iors.ir/journal/browse.php?a_id=67&sid=1&slc_lang=en Seyed Taghi Akhavan Niaki A truthful Screening Mechanism for Improving Information Asymmetry in Initial Public Offering Transactions http://iors.ir/journal/browse.php?a_id=68&sid=1&slc_lang=en Morteza Zamanian