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Stochastic lead time

The Impact of Stochastic Lead Time: the Mean or the Variance

The Impact of Stochastic Lead Time: the Mean or the Variance

... the lead time is stochastic is the computational complexity in searching for optimal inventory policies for the (z, Q) model where a closed-from expression cannot be ...truncated stochastic ...

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(Q, R) inventory model with service level constraint and variable lead time in fuzzy-stochastic environment   Pages 901-912
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(Q, R) inventory model with service level constraint and variable lead time in fuzzy-stochastic environment Pages 901-912 Download PDF

... variable lead-time in fuzzy-stochastic ...upon lead-time are used to construct fuzzy-stochastic lead-time ...

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A multi-item inventory system with expected shortage level-dependent backorder rate with working capital and space restrictions   Pages 225-240
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A multi-item inventory system with expected shortage level-dependent backorder rate with working capital and space restrictions Pages 225-240 Download PDF

... may lead to a state in which clients prefer their demands to be backordered, whereas shortage ...the stochastic demand and deterministic lead time area, the longer the length of lead ...

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Optimal flexible capacity in newsboy problem under stochastic demand and lead-time

Optimal flexible capacity in newsboy problem under stochastic demand and lead-time

... considering stochastic lead-time with constant demand (see more: Zipkin (1986); Bookbinder and Cakanyildirim (1999); Sajadieh et ...and stochastic exponential lead-time, while ...

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Time change and control of stochastic volatility

Time change and control of stochastic volatility

... In the context of mathematical finance, X stands for the stock price pro- cess. The model for X when its stochastic volatility Y is a (function of a) MC is referred to as regime-switching (or Markov modulated). ...

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Mode Dependent Finite Time H∞ Filtering for Stochastic Nonlinear Systems with Markovian Switching

Mode Dependent Finite Time H∞ Filtering for Stochastic Nonlinear Systems with Markovian Switching

... Itô stochastic Markovian jump systems in [20] [21] [22] ...for stochastic nonlinear systems, which could be used to detect generation of residuals for fault diagnosis ...

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Production Lot Sizing Problem with the Lead Time

Production Lot Sizing Problem with the Lead Time

... The objective function (1) captures the fixed setup cost and the underlying holding cost. Constraints (2) are standard lot- sizing flow requirements capturing BOM and lead times. Constraint (3) expresses the fact ...

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On the estimation of time to get aids symptoms – A stochastic approach

On the estimation of time to get aids symptoms – A stochastic approach

... The time to cross the antigenic diversity threshold or in other words the time to get AIDS symptoms after the infection is investigated here using shock model cumulative damage ...

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Mean exit times and the multilevel Monte Carlo method

Mean exit times and the multilevel Monte Carlo method

... exit time computation, each having their own advantages and disadvantages [31], and in future work it would be of great interest to compare this multilevel algorithm with other classes of methods on a range of ...

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Stabilisation of stochastic differential equations with Markovian switching by feedback control based on discrete-time state observation with a time delay

Stabilisation of stochastic differential equations with Markovian switching by feedback control based on discrete-time state observation with a time delay

... for stochastic differential equations with Marko- vian switching was initialled by Mao ...some time delay in the control function. Therefore, the time delay is taken into account for the ...

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Mandelbrot's stochastic time series models

Mandelbrot's stochastic time series models

... one-dimensional time series models of the previous sections, to macroscopic fields, for which examples might be a global circulation model or spatial data from a geostation- ary observation ...have ...

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Time to tweak the TTO  But how?

Time to tweak the TTO But how?

... Figure 2a: 15 year time frame lead and lag time TTO compared to estimated EQ-5D-5L.. lead time TTO.[r] ...

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Inventory Management Models With Return Flows

Inventory Management Models With Return Flows

... Mabini, Pinteln, and Gelders[4] discuss the formulations of the EOQ type for controlling inventories of repairable items. They subsequently consider two problem situations. Assuming infinite repair capacity and a fixed ...

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Improving Order Lead Time:  A Case Study

Improving Order Lead Time: A Case Study

... of lead time can be a competitive advantage (Tersine, et ...al.,1995). Time based competition refers to the ability to deliver products or services faster than the ...competitors. Lead ...

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Estimating lead time using Markov Chains

Estimating lead time using Markov Chains

... each time trained on a different subset (each subset has different weighting over the training ...Every time the ”weak” algorithm is called, it generates a new weak prediction rule and after many ...

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On the long time integration of stochastic gradient systems

On the long time integration of stochastic gradient systems

... We note that the weak-sense convergence results are proved in Section 3 under the assumption that test functions ϕ(x) are sufficiently smooth and they and their derivatives grow not faster than polynomial functions at ...

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Distributional Risk, Stochastic Volatility and Precautionary Savings

Distributional Risk, Stochastic Volatility and Precautionary Savings

... of stochastic dominance related to stochastic convexity? Given the equal mean assumption, a necessary and su¢cient condition for second-order stochastic dominance is that ( ; y) is decreasing in for ...

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Lead time reduction by production planning and control

Lead time reduction by production planning and control

... In our case, we don’t have the throughput times, so we have to make an estimation. Based on information from the current situation and pilot runs of our model, we settle to the formula as can be found in Equation 4-2 for ...

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Lead time reduction in the transport of reverse parcels

Lead time reduction in the transport of reverse parcels

... the lead time of this part depends on the service of the ...this lead time. To be able to compute the lead time of the whole logistic process, which is PUDO point to the ...

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Remarks on a fractional-time stochastic equation

Remarks on a fractional-time stochastic equation

... [7] Mohammud Foondun and Davar Khoshnevisan. Intermittence and nonlinear parabolic stochastic partial differential equations. Electron. J. Probab., 14:no. 21, 548–568, 2009. [8] Mohammud Foondun and Eulalia ...

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