Communication Networks Mung Chiang (2009)
David Y. Gao, Hanif D. Sherali
Summary. Nonlinear convex optimization has provided both an insightful modeling language and a powerful solution tool to the analysis and design of communication systems over the last decade. A main...
8 Canonical Duality Theory: Connections (2009)
David Y. Gao, Hanif D. Sherali
between nonconvex mechanics and global optimization
S. Donovan, Hanif D. Sherali, J. Cole Smith
This paper will formulate integer programs to determine the optimal positions of wind turbines within a wind farm. The formulations were based on variations of the vertex packing problem. Three...
0094462. The authors also gratefully acknowledge the detailed comments of two anonymous referees regarding relationships with lot-sizing problems. This paper studies the polyhedral structure of...
Multiple Shift Scheduling of Hierarchical Workforce with Multiple Work Centers (2008)
Abstract. This paper is concerned with an employee scheduling problem involving multiple shifts and work centers, where employees belong to a hierarchy of categories having downward substitutability.
Foundation-Penalty Cuts for Mixed-Integer Programs (2008)
Fred Glover, Hanif D. Sherali, Director Keith Womer, Fred Glover A
Abstract — We propose a new class of Foundation-Penalty (FP) cuts for GUBconstrained (and ordinary) mixed-integer programs, which are easy to generate by exploiting standard penalty calculations...
An Improved Linearization Strategy for Zero-One Quadratic Programming Problems (2008)
Hanif D. Sherali, J. Cole Smith, Hanif D. Sherali, J. Cole Smith
the date of receipt and acceptance should be inserted later Abstract We present a new linearized model for the zero-one quadratic programming problem, whose size is linear in terms of the number of...
Fuzzy Control of Flexible Manufacturing Systems (2007)
John S. Bay, Hanif D. Sherali, Paolo Dadone, Paolo Dadone
Flexible manufacturing systems (FMS) are production systems consisting of identical multipurpose numerically controlled machines (workstations), automated material handling system, tools, load and...
Robert P. Broadwater, Hugh F. Vanlandingham, Hanif D. Sherali, Arnulfo De Castro, Jiuping Pan Virginia, Jiuping Pan
This study presents a multi-attribute decision making (MADM) framework in support of strategic resource planning of electric utilities. Study efforts have focused on four technical issues identified...
Conjugate Gradient Projection Approach for Multi-Antenna Gaussian Broadcast Channels (2007)
Liu, Jia, Hou, Y. Thomas, Sherali, Hanif D.
It has been shown recently that the dirty-paper coding is the optimal strategy for maximizing the sum rate of multiple-input multiple-output Gaussian broadcast channels (MIMO BC). Moreover, by the...
Reformulation-Linearization Methods for Global Optimization (2007)
Keywords: Reformulation-Linearization Technique, lift-and-project, tight relaxations, valid inequalities, model reformulation, convex hull, convex envelopes, mixed-integer 0-1 program, polynomial...
Mansoureh Jeihani Koohbanani, Antoine G. Hobeika, Ph. D, Hanif D. Sherali, Ph. D, Dusan Teodorovic, ...
Urban travel demand forecasting and traffic assignment models are important tools in developing transportation plans for a metropolitan area. These tools provide forecasts of urban travel patterns...
Suvrajeet Sen, Hanif D. Sherali
Decomposition has proved to be one of the more effective tools for the solution of large-scale problems, especially those arising in stochastic programming. A decomposition method with wide...
Suvrajeet Sen, Hanif D. Sherali
Decomposition has proved to be one of the more effective tools for the solution of large scale problems, especially those arising in stochastic programming. A decomposition method with wide...
Feasibility of Smart Antennas for the Small Wireless Terminals (2003)
William H. Tranter, Annamalai Annamalai, Hanif D. Sherali, Raqibul Mostafa, Raqibul Mostafa
Smart antenna is a potential performance enhancement tool in a communications link that can be used at either end (transmitter or receiver) of the link in the form of beamforming or diversity...
Analysis of Decision Postponement Strategies for Aircraft Assignment under Uncertainty (2002)
Rawee Suwandechochai, Hanif D. Sherali, Lin Y. Kyle, Rawee Suwandechochai
The ability to effectively match supply and demand can lead to significant revenue benefits in the airline industry. Airline supply management deals with assigning the right resources (i.e., aircraft...
Design Optimization of Fuzzy Logic Systems (2001)
Subhash C. Sarin, Hanif D. Sherali, Dusan Teodorovic, Paolo Dadone, Paolo Dadone
Fuzzy logic systems are widely used for control, system identification, and pattern recognition problems. In order to maximize their performance, it is often necessary to undertake a design...
H. Sherali Chairman, T. Herdman, R. Wheeler, J. Burns, L. Johnson, ...
(Abstract) This dissertation explores mathematical programming optimization models and algorithms for routing and scheduling ships in a maritime transportation system. Literature surveyed on seaborne...
A Design Methodology for Physical Design for Testability (1996)
Salahuddin A. Almajdoub, James R. Armstrong, Hanif D. Sherali, Joseph G. Tront, Salahuddin A. Almajdoub, ...
Physical design for testability (PDFT) is a strategy to design circuits in a way to avoid or reduce realistic physical faults. The goal of this work is to define and establish a specific methodology...
On embedding the volume algorithm in a variable target value method (0000)
We employ the volume algorithm as a subgradient deflection strategy in a variable target value method for solving nondifferentiable optimization problems. Focusing on Lagrangian duals for LPs, we...
On embedding the volume algorithm in a variable target value method
We employ the volume algorithm as a subgradient deflection strategy in a variable target value method for solving nondifferentiable optimization problems. Focusing on Lagrangian duals for LPs, we...
A quantitative approach for scheduling activities to reduce set-up in multiple machine lines
Sherali, Hanif D., Van Goubergen, Dirk, Van Landeghem, Hendrik
Network location problems with continuous link demands: p-medians on a chain and 2-medians on a tree
Linear programming based analysis of marginal cost pricing in electric utility capacity expansion
Sherali, Hanif D., Soyster, Allen L., Murphy, Frederic H., Sen, Suvrajeet
Sherali, Hanif D., Desai, Jitamitra, Rakha, Hesham
This paper develops an algorithm for optimally locating Automatic Vehicle Identification tag readers by maximizing the benefit that would accrue from measuring travel times on a transportation...
Estimation of origin-destination trip-tables based on a partial set of traffic link volumes
Sherali, Hanif D., Narayanan, Arvind, Sivanandan, R.
Knowledge of motorists' origin-destination (OD) travel information is necessary for a wide range of transportation planning activities. The high cost of manpower and other expenses associated with...
Estimation of dynamic origin-destination trip tables for a general network
Sherali, Hanif D., Park, Taehyung
In this paper, we propose a parametric optimization approach to estimate time-dependent path flows, or origin-destination (OD) trip tables, using available data on link traffic volumes for a general...
Parameter optimization methods for estimating dynamic origin-destination trip-tables
Sherali, Hanif D., Arora, Namita, Hobeika, Antoine G.
Dynamic origin-destination tables help in on-line control of traffic facilities and, consequently, are of significant use in alleviating traffic congestion. Such tables find useful applications in...
Sherali, Hanif D., Sivanandan, R., Hobeika, Antoine G.
We present a nonproportional-assignment, user-equilibrium motivated, linear programming model for estimating origin-destination (O-D) trip tables from available data on link traffic volumes. The...
A location-allocation model and algorithm for evacuation planning under hurricane/flood conditions
Sherali, Hanif D., Carter, Todd B., Hobeika, Antoine G.
The location of shelters in a region threatened by a hurricane can greatly influence the highway network clearance time, i.e. the time needed by evacuees to escape from origin points to safe areas....
Glickman, Theodore S., Sherali, Hanif D.
A set of models and procedures is described for finding the optimal distribution of empty freight cars owned by the railroads participating in a pooling agreement. A distinction is drawn between a...
A coal shipping and blending problem for an electric utility company
Liu, Chiun-Ming, Sherali, Hanif D.
In this paper, we address the issues of coal supply and blending pertaining to an electric utility company in Taiwan. Since the fuel used by coal-fired power plants are mainly imported in bulk from...
Solar energy in electric utility planning: A linear programming approach
Sherali, Hanif D, Staschus, Konstantin
This paper considers a multi-year capacity expansion plan for an electric utility with the option of investing in solar generation units. It is demonstrated how issues such as randomness on both the...