Gerchak Yigal

Yigal Gerchak

Information about the author Yigal Gerchak will soon be added to the site.
Found 50 papers in total
Lot-sizing for substitutable, production-to-order parts with random functionality yields
Lot-sizing for substitutable, production-to-order parts with random functionality yields
1999
A variety of manufacturing processes produce parts that have multiple functionalities...
Multiple lot-sizing, and value of probabilistic information, in production to order of an uncertain size
Multiple lot-sizing, and value of probabilistic information, in production to order of an uncertain size
1998
A make-to-order batch manufacturer knows that an order for items with some particular...
Multiple anticipatory moves of a server on a line
Multiple anticipatory moves of a server on a line
1997
This paper investigates the destination and desirability of anticipatory moves by an...
Joint product durability and lot sizing models
Joint product durability and lot sizing models
1995
This paper concerns the simultaneous selection of product durability and order...
An inventory model embedded in designing a supply contract
An inventory model embedded in designing a supply contract
1997
To reduce lead-time and its variability, modern supply and transportation contracts...
Continuous review inventory control when capacity is variable
Continuous review inventory control when capacity is variable
1996
Many complex production/inventory systems are characterized by uncertain capacities...
Reservation planning for elective surgery under uncertain demand for emergency surgery
Reservation planning for elective surgery under uncertain demand for emergency surgery
1996
This work concerns the advance scheduling of elective surgery when the operating...
Some remarks about the ‘equivalence’ of performance measures in scheduling problems
Some remarks about the ‘equivalence’ of performance measures in scheduling problems
1993
This note addresses different classes of equivalence results concerning scheduling...
Optimal anticipatory position of a disk arm for queries of random length and location
Optimal anticipatory position of a disk arm for queries of random length and location
1996
The authors wish to identify the best anticipatory position for an idle disk arm which...
Periodic review production models with variable capacity, random yield, and uncertain demand
Periodic review production models with variable capacity, random yield, and uncertain demand
1996
The authors investigate a production planning problem in a periodic review environment...
Continuous-review inventory models with exponential random yield
Continuous-review inventory models with exponential random yield
1995
Two continuous-review inventory systems with exponential random yields are motivated...
A periodic review inventory model with Markovian supply availability
A periodic review inventory model with Markovian supply availability
1995
Occasional unavailabilty of materials and products has an impact on inventory...
Optimal positioning of read/write heads in mirrored disks
Optimal positioning of read/write heads in mirrored disks
1995
This work is concerned with finding the expected-travel-distance-minimizing...
The evolution of draft lotteries in professional sports: Back to moral hazard?
The evolution of draft lotteries in professional sports: Back to moral hazard?
1995
in several North American professional sports, teams choose (draft) new players each...
Periodic-review inventory models with inventory-level-dependent demand
Periodic-review inventory models with inventory-level-dependent demand
1994
Demand for some items can depend on the inventory level on display, a phenomenon often...
Sequential competitions with nondecreasing levels of difficulty
Sequential competitions with nondecreasing levels of difficulty
1993
Acting in a predetermined order, players select nonincreasing probabilities and...
The optimal mix of flexible and dedicated manufacturing capacities: Hedging against demand uncertainty
The optimal mix of flexible and dedicated manufacturing capacities: Hedging against demand uncertainty
1992
A firm that faces uncertain demands for several product groups needs to decide how...
On apportioning costs to customers in centralized continuous review inventory systems
On apportioning costs to customers in centralized continuous review inventory systems
1991
Many manufacturing firms use common production and warehousing resources to jointly...
Optimal value declaration in ‘buy-sell’ situations
Optimal value declaration in ‘buy-sell’ situations
1992
Buy-Sell ‘Shotgun’ clauses call for a partner who wishes to discontinue a...
On manpower planning in the presence of learning
On manpower planning in the presence of learning
1990
Manpower planning models rarely incorporate effects of learning on production...
Transportation contracts and safety stocks for just-in-time deliveries
Transportation contracts and safety stocks for just-in-time deliveries
1989
Just-in-time manufacturing operations often establish transportation contracts to...
Multiple lotsizing with random common-cause yield and rigid demand
Multiple lotsizing with random common-cause yield and rigid demand
1990
When yield is random and production is in lots, several successive lots may need to be...
Analytical comparative statics for the continuous review inventory model
Analytical comparative statics for the continuous review inventory model
1990
Analytical comparative statics for multivariate models with no closed-form solutions...
Yield randomness, cost tradeoffs, and diversification in the EOQ model
Yield randomness, cost tradeoffs, and diversification in the EOQ model
1990
Existing production/inventory models with random (variable) yield take the yield...
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