Operations Research Letters, Volume 37

Volume 37, Number 1, January 2009

• Amir Beck, Aharon Ben-Tal:
  Duality in robust optimization: Primal worst equals dual best. 1-6
  
• Archis Ghate, Robert L. Smith:
  Characterizing extreme points as basic feasible solutions in infinite linear programs. 7-10
  
• David Applegate, Robert E. Bixby, Vasek Chvátal, William J. Cook, Daniel G. Espinoza, Marcos Goycoolea, Keld Helsgaun:
  Certification of an optimal TSP tour through 85, 900 cities. 11-15
  
• Pasquale Avella, Maurizio Boccia, Igor Vasil'ev:
  Computational experience with general cutting planes for the Set Covering problem. 16-20
  
• Giacomo Zambelli:
  On degenerate multi-row Gomory cuts. 21-22
  
• Jochen Gorski, Stefan Ruzika:
  On k-max-optimization. 23-26
  
• Nebojsa Gvozdenovic, Monique Laurent, Frank Vallentin:
  Block-diagonal semidefinite programming hierarchies for 0/1 programming. 27-31
  
• Céline Gicquel, Michel Minoux, Yves Dallery:
  On the discrete lot-sizing and scheduling problem with sequence-dependent changeover times. 32-36
  
• David Soler, José Albiach, Eulalia Martínez:
  A way to optimally solve a time-dependent Vehicle Routing Problem with Time Windows. 37-42
  
• Amr Farahat, Georgia Perakis:
  Profit loss in differentiated oligopolies. 43-46
  
• Chia-Li Wang, Ronald W. Wolff:
  Loss probability properties in retrial queues. 47-50
  
• Yair Carmon, Adam Shwartz:
  Markov decision processes with exponentially representable discounting. 51-55
  
• Xiaohu Li, Rongfang Yan, Ming J. Zuo:
  Evaluating a warm standby system with components having proportional hazard rates. 56-60
  
• Elvira Hernández, Luis Rodríguez-Marín, Miguel Sama:
  Some equivalent problems in set optimization. 61-64
  
• Jaya Singhal, Kalyan Singhal:
  On the noniterative multiproduct multiperiod production planning method. 65-66
  
• Ruud H. Teunter:
  Note on the fill rate of single-stage general periodic review inventory systems. 67-68
  
• Yasemin Serin:
  Comments on: "A policy improvement method for constrained average Markov decision processes" [ORL 35 (2007) 434-438]. 69
  

Volume 37, Number 2, March 2009

• Fernanda Salazar, Martin Skutella:
  Single-source k-splittable min-cost flows. 71-74
  
• Joanna Bauer, Dag Haugland, Di Yuan:
  A fast local search method for minimum energy broadcast in wireless ad hoc networks. 75-79
  
• Christian Eggermont, Cor A. J. Hurkens, Maciej Modelski, Gerhard J. Woeginger:
  The hardness of train rearrangements. 80-82
  
• Christian Engels, Bodo Manthey:
  Average-case approximation ratio of the 2-opt algorithm for the TSP. 83-84
  
• Wei Yu, Zhaohui Liu:
  Vehicle routing problems on a line-shaped network with release time constraints. 85-88
  
• Ling Gai, Guochuan Zhang:
  Hardness of lazy packing and covering. 89-92
  
• József Békési, Gábor Galambos, Marcus Oswald, Gerhard Reinelt:
  Improved analysis of an algorithm for the coupled task problem with UET jobs. 93-96
  
• Guosong Yu, Guochuan Zhang:
  Scheduling with a minimum number of machines. 97-101
  
• Wilco van den Heuvel, Albert P. M. Wagelmans:
  A holding cost bound for the economic lot-sizing problem with time-invariant cost parameters. 102-106
  
• Dachuan Xu, Ruichun Yang:
  A cost-sharing method for an economic lot-sizing game. 107-110
  
• Kyungsik Lee, Kyungchul Park, Sungsoo Park:
  A compact formulation of the ring loading problem with integer demand splitting. 111-113
  
• Lizhi Wang:
  Cutting plane algorithms for the inverse mixed integer linear programming problem. 114-116
  
• Changsheng Zhang, Jiaxu Ning, Shuai Lu, Dantong Ouyang, Tienan Ding:
  A novel hybrid differential evolution and particle swarm optimization algorithm for unconstrained optimization. 117-122
  
• Mathieu Tracol:
  Fast convergence to state-action frequency polytopes for MDPs. 123-126
  
• Ning Cai:
  On first passage times of a hyper-exponential jump diffusion process. 127-134
  
• Roberto Tadei, Nicoletta Ricciardi, Guido Perboli:
  The stochastic p-median problem with unknown cost probability distribution. 135-141
  

Volume 37, Number 3, May 2009

• Alexander Shapiro:
  On a time consistency concept in risk averse multistage stochastic programming. 143-147
  
• Ulas Özen, Marco Slikker, Henk Norde:
  A general framework for cooperation under uncertainty. 148-154
  
• Deeparnab Chakrabarty, Nikhil R. Devanur:
  On competitiveness in uniform utility allocation markets. 155-158
  
• Karthik S. Gurumoorthy, Arunava Banerjee, Anand Paul:
  Dynamics of 2-worker bucket brigade assembly line with blocking and instantaneous walk-back. 159-162
  
• Ning Cai, Nan Chen, Xiangwei Wan:
  Pricing double-barrier options under a flexible jump diffusion model. 163-167
  
• Olga Gluchshenko, Horst W. Hamacher, Arie Tamir:
  An optimal O(nlogn) algorithm for finding an enclosing planar rectilinear annulus of minimum width. 168-170
  
• P. M. Dearing, Christiane R. Zeck:
  A dual algorithm for the minimum covering ball problem in Rⁿ. 171-175
  
• Markus Bläser, L. Shankar Ram, Maxim Sviridenko:
  Improved approximation algorithms for metric maximum ATSP and maximum 3-cycle cover problems. 176-180
  
• Qiaoming Han, Abraham P. Punnen, Yinyu Ye:
  An edge-reduction algorithm for the vertex cover problem. 181-186
  
• M. Selim Akturk, Alper Atamtürk, Sinan Gurel:
  A strong conic quadratic reformulation for machine-job assignment with controllable processing times. 187-191
  
• Agostinho Agra, Luis Gouveia, Cristina Requejo:
  Extended formulations for the cardinality constrained subtree of a tree problem. 192-196
  
• Maria Grazia Scutellà:
  On improving optimal oblivious routing. 197-200
  
• Daniele Pretolani, Lars Relund Nielsen, Kim Allan Andersen, Matthias Ehrgott:
  Time-adaptive and history-adaptive multicriterion routing in stochastic, time-dependent networks. 201-205
  
• Antonio Frangioni, Claudio Gentile:
  A computational comparison of reformulations of the perspective relaxation: SOCP vs. cutting planes. 206-210
  
• Patrice Marcotte, D. L. Zhu:
  Existence and computation of optimal tolls in multiclass network equilibrium problems. 211-214
  
• Luce Brotcorne, Saïd Hanafi, Raïd Mansi:
  A dynamic programming algorithm for the bilevel knapsack problem. 215-218
  
• Mehdi Dehghan, Masoud Hajarian:
  Convergence of SSOR methods for linear complementarity problems. 219-223
  

Volume 37, Number 4, July 2009

• Zhixin Liu:
  Complexity of core allocation for the bin packing game. 225-229
  
• Paat Rusmevichientong, Zuo-Jun Max Shen, David B. Shmoys:
  A PTAS for capacitated sum-of-ratios optimization. 230-238
  
• Nir Halman, Chung-Lun Li, David Simchi-Levi:
  Fully polynomial-time approximation schemes for time-cost tradeoff problems in series-parallel project networks. 239-244
  
• Carol A. Meyers, Andreas S. Schulz:
  Integer equal flows. 245-249
  
• Fatma Kilinç-Karzan, Alejandro Toriello, Shabbir Ahmed, George L. Nemhauser, Martin W. P. Savelsbergh:
  Approximating the stability region for binary mixed-integer programs. 250-254
  
• Emilie Danna, David L. Woodruff:
  How to select a small set of diverse solutions to mixed integer programming problems. 255-260
  
• Paolo Detti, Cor A. J. Hurkens, Alessandro Agnetis, Gianfranco Ciaschetti:
  Optimal packet-to-slot assignment in mobile telecommunications. 261-264
  
• Kurtulus B. Öner, Gudrun P. Kiesmüller, Geert-Jan van Houtum:
  Monotonicity and supermodularity results for the Erlang loss system. 265-268
  
• Derek R. Atkins, Xuan Zhao:
  On the modeling of demand spill for a stochastic demand system under competition. 269-272
  
• Seray Aydin, Yalçin Akçay, Fikri Karaesmen:
  On the structural properties of a discrete-time single product revenue management problem. 273-279
  
• Murat Kurt, Lisa M. Maillart:
  Structured replacement policies for a Markov-modulated shock model. 280-284
  
• Demet Batur, David Goldsman, Seong-Hee Kim:
  An improved standardized time series Durbin-Watson variance estimator for steady-state simulation. 285-289
  
• Bernardetta Addis, Werner Schachinger:
  Improved bounds for interatomic distance in Morse clusters. 290-294
  
• Enrico Miglierina, Elena Molho:
  Sectionwise connected sets in vector optimization. 295-298
  

Volume 37, Number 5, September 2009

• David J. Aldous, Colin McDiarmid, Alex D. Scott:
  Uniform multicommodity flow through the complete graph with random edge-capacities. 299-302
  
• Arie Tamir:
  New pseudopolynomial complexity bounds for the bounded and other integer Knapsack related problems. 303-306
  
• Predrag R. Jelenkovic, Ana Radovanovic:
  Asymptotic optimality of the static frequency caching in the presence of correlated requests. 307-311
  
• Tolga Tezcan:
  Instability of FIFO in a simple queueing system with arbitrarily low loads. 312-316
  
• Xianping Guo, XinYuan Song, Junyu Zhang:
  Bias optimality for multichain continuous-time Markov decision processes. 317-321
  
• Xiaoming Yan, Ke Liu:
  An inventory system with two suppliers and default risk. 322-326
  
• Michael Z. F. Li, Weifen Zhuang:
  Risk-sensitive dynamic pricing for a single perishable product. 327-332
  
• Yuichi Nagata, Olli Bräysy:
  A powerful route minimization heuristic for the vehicle routing problem with time windows. 333-338
  
• MohammadHossein Bateni, Mohammad Taghi Hajiaghayi:
  A note on the subadditive network design problem. 339-344
  
• Attila Bernáth, Tamás Király:
  Covering skew-supermodular functions by hypergraphs of minimum total size. 345-350
  
• Nicola Apollonio, Massimiliano Caramia:
  A superclass of Edge-Path-Tree graphs with few cliques. 351-355
  
• Peter Szabó:
  A short note on the weighted sub-partition mean of integers. 356-358
  
• Bernard Fortz, Michael Poss:
  An improved Benders decomposition applied to a multi-layer network design problem. 359-364
  
• Gerardo Berbeglia:
  The counting complexity of a simple scheduling problem. 365-367
  
• Zhongjun Tian, C. T. Ng, T. C. Edwin Cheng:
  Preemptive scheduling of jobs with agreeable due dates on a single machine to minimize total tardiness. 368-374
  

Volume 37, Number 6, November 2009

• Manoel B. Campêlo, Gérard Cornuéjols:
  Stable sets, corner polyhedra and the Chvátal closure. 375-378
  
• Michele Conforti, Giacomo Zambelli:
  The mixing set with divisible capacities: A simple approach. 379-383
  
• Ravi Kannan, Luis Rademacher:
  Optimization of a convex program with a polynomial perturbation. 384-386
  
• Jonathan P. Caulkins, Gustav Feichtinger, Dieter Grass, Gernot Tragler:
  Optimal control of terrorism and global reputation: A case study with novel threshold behavior. 387-391
  
• Christian H. Christiansen, Jens Lysgaard, Sanne Wøhlk:
  A Branch-and-Price Algorithm for the Capacitated Arc Routing Problem with Stochastic Demands. 392-398
  
• Chung-Yee Lee, Xiangtong Qi:
  Vehicle scheduling with combinable delivery and pickup operations. 399-404
  
• Nodari Vakhania:
  Scheduling jobs with release times preemptively on a single machine to minimize the number of late jobs. 405-410
  
• Guangwu Liu, L. Jeff Hong:
  Revisit of stochastic mesh method for pricing American options. 411-414
  
• Arnab Basu, Mrinal K. Ghosh:
  Asymptotic analysis of option pricing in a Markov modulated market. 415-419
  
• Pengfei Guo, John J. Liu, Yulan Wang:
  Intertemporal service pricing with strategic customers. 420-424
  
• Alain Bensoussan, Anshuman Chutani, Suresh P. Sethi:
  Optimal cash management under uncertainty. 425-429
  
• Ying-Ju Chen:
  Monotonicity in the stock competition game with consumer search. 430-432
  
• Kevin H. Shang, Sean X. Zhou:
  A simple heuristic for echelon (r, nQ, T) policies in serial supply chains. 433-437
  
• Josep Freixas, María Albina Puente:
  Consecutive expansions of k-out-of-n systems. 438-442
  
• Ju-Liang Zhang, Chung-Yee Lee, Jian Chen:
  Inventory control problem with freight cost and stochastic demand. 443-446
  
• Qiang Zhen, Charles Knessl:
  On sojourn times in the finite capacity M/M/1 queue with processor sharing. 447-450
  

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