Isomorphs of a class of Queueing systems

Restricted isomorphism between two queueing systems implies that they have equivalent distribution function for at least one (but not all) output elements (e.g. waiting time, queue size, idle time, etc.). Quasi-isomorphism implies an approximate equivalence. Most of the single-server queueing system...

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Main Authors: A. Ghosal, Sudhir Madan
Format: Article
Language:English
Published: Wiley 1979-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171279000107
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author A. Ghosal
Sudhir Madan
author_facet A. Ghosal
Sudhir Madan
author_sort A. Ghosal
collection DOAJ
description Restricted isomorphism between two queueing systems implies that they have equivalent distribution function for at least one (but not all) output elements (e.g. waiting time, queue size, idle time, etc.). Quasi-isomorphism implies an approximate equivalence. Most of the single-server queueing systems can be approximated by a quasi-isomorphic system which has a gamma inter-arrival and gamma service distributions (Ep/Eq/1).
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institution Kabale University
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1687-0425
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publishDate 1979-01-01
publisher Wiley
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-d4c312fd30e742918cec97abc884186b2025-02-03T05:51:01ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04251979-01-012110311010.1155/S0161171279000107Isomorphs of a class of Queueing systemsA. Ghosal0Sudhir Madan1Operational Research group, CSIR, New Delhi, IndiaUniversity of Delhi, IndiaRestricted isomorphism between two queueing systems implies that they have equivalent distribution function for at least one (but not all) output elements (e.g. waiting time, queue size, idle time, etc.). Quasi-isomorphism implies an approximate equivalence. Most of the single-server queueing systems can be approximated by a quasi-isomorphic system which has a gamma inter-arrival and gamma service distributions (Ep/Eq/1).http://dx.doi.org/10.1155/S0161171279000107isomorphrestricted isomorphquasi-restricted (Q. R.) isomorphwaiting timequeue sizeidle timegamma distribution.
spellingShingle A. Ghosal
Sudhir Madan
Isomorphs of a class of Queueing systems
International Journal of Mathematics and Mathematical Sciences
isomorph
restricted isomorph
quasi-restricted (Q. R.) isomorph
waiting time
queue size
idle time
gamma distribution.
title Isomorphs of a class of Queueing systems
title_full Isomorphs of a class of Queueing systems
title_fullStr Isomorphs of a class of Queueing systems
title_full_unstemmed Isomorphs of a class of Queueing systems
title_short Isomorphs of a class of Queueing systems
title_sort isomorphs of a class of queueing systems
topic isomorph
restricted isomorph
quasi-restricted (Q. R.) isomorph
waiting time
queue size
idle time
gamma distribution.
url http://dx.doi.org/10.1155/S0161171279000107
work_keys_str_mv AT aghosal isomorphsofaclassofqueueingsystems
AT sudhirmadan isomorphsofaclassofqueueingsystems