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7. A Queueing Inventory System with Two Channels of Service

Author

Mathew, Nisha, Joshua, V. C., Krishnamoorthy, A., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2020
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8. On a Single Server Queueing Inventory System

Author

Maqbali, K. A. K. AL, Joshua, V. C., Krishnamoorthy, A., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2020
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9. An MMAP/M/ Queueing System with an Offer Zone Working in a Random Environment

Author

Joshua, V. C., Mathew, Ambily P., Krishnamoorthy, A., Barbosa, Simone Diniz Junqueira, Editorial Board Member, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Kotenko, Igor, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2019
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10. A Queueing Inventory System with Search and Match - An Organ Transplantation Model

Author

Sinu Lal, T. S., Krishnamoorthy, A., Joshua, V. C., Barbosa, Simone Diniz Junqueira, Editorial Board Member, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Kotenko, Igor, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2019
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11. A Multistage Queueing Model with Priority for Customers Become Fit

Author

Babu, Dhanya, Joshua, V. C., Krishnamoorthy, A., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2019
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13. MAP/PH/1 Retrial Queue with Abandonment, Flush Out and Search of Customers

Author

Babu, Dhanya, Krishnamoorthy, A., Joshua, V. C., Barbosa, Simone Diniz Junqueira, Series Editor, Filipe, Joaquim, Series Editor, Kotenko, Igor, Series Editor, Sivalingam, Krishna M., Series Editor, Washio, Takashi, Series Editor, Yuan, Junsong, Series Editor, Zhou, Lizhu, Series Editor, Vishnevskiy, Vladimir M., editor, and Kozyrev, Dmitry V., editor

Published
2018
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14. A Retrial Queueing System with Multiple Hierarchial Orbits and Orbital Search

Author

Krishnamoorthy, A., Joshua, V. C., Mathew, Ambily P., Barbosa, Simone Diniz Junqueira, Series Editor, Filipe, Joaquim, Series Editor, Kotenko, Igor, Series Editor, Sivalingam, Krishna M., Series Editor, Washio, Takashi, Series Editor, Yuan, Junsong, Series Editor, Zhou, Lizhu, Series Editor, Vishnevskiy, Vladimir M., editor, and Kozyrev, Dmitry V., editor

Published
2018
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17. A Token Based Parallel Processing Queueing System with Priority

Author

Krishnamoorthy, A., Joshua, V. C., Babu, Dhanya, Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Filipe, Joaquim, Series editor, Kotenko, Igor, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, Yuan, Junsong, Series editor, Zhou, Lizhu, Series editor, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2017
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18. A Retrial Queueing System with Abandonment and Search for Priority Customers

Author

Krishnamoorthy, A., Joshua, V. C., Mathew, Ambily P., Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Filipe, Joaquim, Series editor, Kotenko, Igor, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, Yuan, Junsong, Series editor, Zhou, Lizhu, Series editor, Vishnevskiy, Vladimir M., editor, Samouylov, Konstantin E., editor, and Kozyrev, Dmitry V., editor

Published
2017
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24. Analysis of the BMAP/G/1retrial system with search of customers from the orbit

Author

Dudin, A. N., Krishnamoorthy, A., Joshua, V. C., and Tsarenkov, G. V.

Subjects
Customer service -- Management, Management science -- Analysis, Customer service, Support services, Company business management, Business, Business, general, Business, international
Abstract

In the article, a single server retrial queuing model is considered in which customers arrive according to a BMAP. The services are offered in two modes; in mode 1, the customers are served after staying in the orbit while in mode 2 the customer is served in case it has luck to meet a free server upon arrival.

Published
2004

27. On an M / G /1 Retrial System with Two Types of Search of Customers from the Orbit.

Author

Deepak, T. G., Dudin, A. N., Joshua, V. C., and Krishnamoorthy, A.

Subjects
QUEUING theory, MATHEMATICAL models, POISSON processes, ORBIT method, STABILITY theory, DISTRIBUTION (Probability theory), NUMERICAL analysis
Abstract

Single server retrial queueing models in which customers arrive according to a batch Poisson process are considered here. An arriving batch, finding the server busy, enters an orbit. Otherwise, one customer from the arriving batch enters for service immediately while the rest join the orbit. The customers from the orbit (the orbital customers) try to reach the server subsequently with the inter-retrial times exponentially distributed. Additionally, at each service completion epoch, two different search mechanisms, that is, type I and type II search, to bring the orbital customers by the system to service, are switched on. Thus, when the server is idle, a competition takes place among primary customers, customers who come by retrial and by two types of searches. The type I search selects a single customer whereas the type II search considers a batch of customers from the orbit. Depending on the maximum size of the batch being considered for service by a type II search, two cases are addressed here. In the first case, no restriction on batch size is assumed, whereas in the second case, maximum size of the batch is restricted to a pre-assigned value. We call the resulting models as model 1 and model 2 respectively. In all service modes other than type II search, only a single customer is qualified for service. Service times of the four types of customers, namely, primary, repeated, and those who come by two types of searches are arbitrarily distributed (with different distributions which are independent of each other). Steady state analysis is performed and stability conditions are established. A control problem for model 2 is considered and numerical illustrations are provided. [ABSTRACT FROM PUBLISHER]

Published
2013
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28. An M|G|1 Retrial Queue with Nonpersistent Customers and Orbital Search.

Author

Krishnamoorthy, A., Deepak, T. G., and Joshua, V. C.

Subjects
QUEUING theory, CONSUMERS, PROBABILITY theory, STOCHASTIC processes, MATHEMATICS
Abstract

The M|G|1 retrial queue with nonpersistent customers and orbital search is considered. If the server is busy at the time of arrival of a primary customer, then with probability 1 - H1 it leaves the system without service, and with probability H1 > 0. it enters into an orbit. Similarly, if the server is occupied at the time of arrival of an orbital customer, with probability 1 - H2, it leaves the system without service, and with probability H2 > 0. it goes back to the orbit. Immediately after the completion of each service, the server searches for customers in the orbit with probability p > 0, and remains idle with probability 1 - p. Search time is assumed to be negligible. In the case H2 = 1. the model is analyzed in full detail using the supplementary variable method. The joint distribution of the server state and the orbit length in steady state is studied. The structure of the busy period and its analysis in terms of Laplace transform is discussed. We also provide a direct method of calculation for the first and second moment of the busy period. In the case H2 < 1, closed form solution is obtained for exponentially distributed service time, in terms of hypergeometric series. [ABSTRACT FROM AUTHOR]

Published
2005
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45. The Polaron Measure

Author

Mukherjee, Chiranjib, Varadhan, S. R. S., Joshua, V. C., editor, Varadhan, S. R. S., editor, and Vishnevsky, Vladimir M., editor

Published
2020
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