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Nom et Prénom

Grade

Diplôme obtenu

Structure de rattachement

Spécialité

Abbas Karim	Prof.	Doct. 2010	Béjaïa	Mathématiques
Hamadouche Naima	M.C.B.	Doct. 2010	Béjaïa	Mathématiques
Issaadi Badreddine	M.A.A.	Mag. 2011	Boumerdes	Mathématiques
Cheurfa Fatah	M.A.A.	Mag. 2013	Boumerdes	R.O.
Takhedmit Baya	M.A.A.	Mag. 2014	Bouira	Mathématiques
Bouakline Hanane	M.A.B.	Mag.	Béjaïa	R.O.
Bachi Katia	Doctorante LMD 2014	MasterII. 2013	Béjaïa	R.O.
Soufit Massinissa	Doctorante LMD 2014	MasterII. 2014	Béjaïa	R.O.

Objectifs et Compétences

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.Les grandes thématiques de l’équipe sont :

1.  Analyse de perturbation des chaînes de Markov;
2.  Analyse numérique des chaînes de Markov;
3.  Évaluation de performances des systèmes;
4.  Stabilité des processus aléatoires;
5.  Analyse de perturbation en finance, actuariat et fiabilité;
6.  Modélisation stochastique en bioinformatique;
7.  Incertitude épistémique et optimisation robuste dans les modèles stochastiques.

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Projets de Recherche

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 L'équipe participe aux projets nationaux suivants :

N°: B00620130038

Intitulé: Analyse Numérique et Statistique des Systèmes et Réseaux de Files d’Attente

Responsable:  Dr. Karim  ABBAS 

 

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Production

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Publications internationales

 1. Sofiane Ouazine and Karim Abbas (2016) A functional approximation for queues with two way communication.  Annals of Operations Research, Springer Ed., In Press. Digital Object Identifier (doi): 10.1007/s10479-015-2083-2 
http://link.springer.com/article/10.1007/s10479-015-2083-2

2. Badredine Issaadi, Karim Abbas and Djamil Aïssani (2016) Perturbation analysis of the GI/M/s queue.  Methodology and Computing in Applied Probability, Springer Ed., Accepted. doi: 10.1007/s11009-016-9517-4 
http://www.springer.com/statistics/journal/11009

3. Baya Takhedmit and Karim Abbas (2016) A parametric uncertainty analysis method for queues with vacations.  Journal of Computational and Applied Mathematics, Elsevier Ed., In Press. doi:10.1016/j.cam.2016.02.031 
http://www.sciencedirect.com/science/article/pii/S0377042716300784

4. Karim Abbas, Joost Berkhout and Bernd Heidergott (2016) A critical account of perturbation analysis of Markov chains.  Markov Processes and Related Fields, Polymat Publishing Company, Vol.  22, Issue 2, pp. 227 – 265. 
http://math-mprf.org/journal/articles/2016/

5. Sofiane Ouazine and Karim Abbas (2016) Development of computational algorithm for multiserver queue with renewal input and synchronous vacation. Applied Mathematical Modelling, Elsevier Ed., Vol.  40, Issue 2, pp. 1137 – 1156. 
doi: 10.1016/j.apm.2015.06.027  http://www.sciencedirect.com/science/article/pii/S0307904X15004126

6. Sofiane Ouazine and Karim Abbas (2014) A Numerical Analysis of the M/G/1/N Queue with Vacations.  Discrete Event Systems, Vol.  12, pp. 504 – 509. ( IFAC Proceedings Volumes, Vol.  47, Issue 2, Elsevier Ed., pp. 504 – 509, 2014.) 
doi: 10.3182/20140514-3-FR-4046.00023  http://www.sciencedirect.com/science/article/pii/S1474667015374504

7. Karim Abbas, Bernd Heidergott and Djamil Aïssani (2013) A functional approximation for the M/G/1/N queue.  Discrete Event Dynamic Systems, Springer Ed., Vol.  23, Issue 1, pp. 93 – 104.  doi: 10.1007/s10626-012-0135-1 
http://link.springer.com/article/10.1007/s10626-012-0135-1

8.Karima Adel-Aissanou, Karim Abbas and Djamil Aïssani (2012) Strong truncation approximation in tandem queues with blocking.  Mathematical Problems in Engineering, Hindawi Publishing Corporation, Vol. 2012 (2012), Article ID 906486, 18
pages.  http://dx.doi.org/10.1155/2012/906486  http://www.hindawi.com/journals/mpe/2012/906486/

9. Naima Hamadouche and Djamil Aïssani (2011)Approximation in the M2/G2/1  Queue with Preemptive Priority.  Methodology and Computing inApplied Probability, Springer Ed., Vol. 13, 563– 581.  doi: 10.1007/s1009-010-9175-x http://link.springer.com/article/10.1007/s11009-010-9175-x

10. Karim Abbas, Bernd Heidergott and Djamil Aïssani (2010) A Taylor series approach to the numerical analysis of the M/D/1/N queue.  Procedia Computer Science, Elsevier Ed., Vol.  1, Issue 1, pp. 1553 – 1560.  doi:10.1016/j.procs.2010.04.174 
http://www.sciencedirect.com/science/article/pii/S1877050910001754

11. Karim Abbas and Djamil Aïssani (October 2010) Strong stability of the embedded Markov chain in an GI/M/1 queue with negative customers.  Applied Mathematical Modelling, Elsevier Ed., Vol.  34, Issue 10, pp. 2806 – 2812. 
doi:10.1016/j.apm.2009.12.014  http://www.sciencedirect.com/science/article/pii/S0307904X09004211

12. Karim Abbas and Djamil Aïssani (2010) Approximation of performance measures in an M/G/1 queue with breakdowns.  Quality Technology  Quantitative Management (Special Issue on Stochastic Modeling in Quality and Reliability Assurance), Taylor  Francis Ed., Vol.  7, Issue 4, pp. 353 – 363.  doi:10.1080/16843703.2010.11673237 
http://www.tandfonline.com/doi/abs/10.1080/16843703.2010.11673237

13. Karim Abbas and Djamil Aïssani (2010) Structural perturbation analysis of a single server queue with breakdowns.  Stochastic Models, Taylor  Francis Ed., Vol.  26, Issue 1, pp. 78 – 97.  doi: 10.1080/15326340903517113 
http://www.tandfonline.com/doi/full/10.1080/15326340903517113

14. Karim Abbas and Djamil Aïssani (2007) Approximation in an queueing system with breakdowns and repairs.  Electronic Workshops in Computing ( eWiC), Series of the British Computer Society.
http://ewic.bcs.org/content/ConWebDoc/11307

Chapitres d’ouvrage

1. Karima Adel-Aissanou,  Karim Abbas and Djamil Aïssani (2015) Strong Approximation for an Overflow Queueing Network. In:  Advances in Mathematics and Statistical Sciences, Nikos E. Mastorakis, Adam Ding and Marina V. Shitikova Eds., pp.
196 – 210. Mathematics and Computers in Science and Engineering Series 40. World Scientific and Engineering Academy and Society Press (WSEAS Press).  ISSN: 2227-4588 ISBN: 978-1-61804-275-0  http://www.wseas.org/wseas/cms.action?id=10742

2. Sofiane Ouazine and Karim Abbas (2015) Sensitivity Analysis of the GI/M/1 Queue with Negative Customers. In:  Stochastic Modeling, Data Analysis and Statistical Applications, Lidia Filus - Teresa Oliveira - Christos H Skiadas Eds., Chapter : Time Series, Signals, Networks, pp. 487 – 493. International Society for the Advancement of Science and Technology (ISAST). ISBN (print): 978-618-5180-08-9. ISBN (e-book): 978-618-5180-11-9
http://www.smtda.net/smtdabooks/smtda2014book2.html

3. Sofiane Ouazine, Karim Abbas and Bernd Heidergott (2013) The Taylor Sers Expansions for Performance Functions of Queues: Sensitivity Analysis. In:  Analytical and Stochastic Modelling Techniques and Applications, Alexander Dudin and Koen De Turck Eds., pp. 1 – 11. Lecture Notes in Computer Science (LNCS 7984). Springer-Verlag Ed., Berlin Heidelberg. 
ISSN: 0302-9743 ISBN: 978-3-642-39407-2 doi: 10.1007/978-3-642-39408-9 
http://www.springer.com/gp/book/9783642394072

4. Karim Abbas and Djamil Aïssani (2010) Perturbation Analysis of M/M/1 Queue. In: Rapid Modelling and Quick Response:Intersection of Theory and Practice, Gerald Reiner Editor, pp. 3 – 15. Springer-Verlag Ed., London.  ISBN: 978-1-84996-524-8 doi: 10.1007/978-1-84996-525-5  http://www.springer.com/us/book/9781849965248

Rapports de recherche

1. Karim Abbas, Joost Berkhout and Bernd Heidergott (2015) A critical account of perturbation analysis of Markovian systems,  Research Memorandum 2015-3, Publisher: Faculty of Economics and Business Administration, Vrije Universiteit Amsterdam, The Netherlands.  http://hdl.handle.net/1871/52822

2. Karim Abbas, Bernd Heidergott and Djamil Aïssani (2011) A Taylor series expansion approach to the functional approximation of finite queues,  Research Memorandum 2011-49, Publisher: Faculty of Economics and Business Administration, Vrije Universiteit Amsterdam, The Netherlands.  http://hdl.handle.net/1871/24379

Publication nationale

Karim Abbas and Djamil Aïssani (2008) Stabilité forte dans un système d’attente GI/M/1 avec désastres. Revue Campus, Numéro Hors Série, Vol.  II, pp. 155 – 158.  ISSN: 1112-783X

Communications internationales présentées

 [2016]       

Badredine Issaadi, Karim Abbas and Djamil Aïssani, Strong stability bounds for Queues. Abstract Book of "European Conference on Queueing Theory" (ECQT), pp. ??. Toulouse, France, July 18-20, 2016. 
https://ecqt16.sciencesconf.org/

Baya Takhedmit and Karim Abbas, A parametric uncertainty analysis of the GI/M/1/N queue with multiple working vacation policy. Abstract Book of "Marrakesh International Conference on Probability and Statistics" (MICPS), pp. ??. Marrakesh, Morocco, April 25-28, 2016.  http://micps2016.uca.ma/

Katia Bachi and Karim Abbas, ????. Abstract Book of "Conférence Internationale de Mathématiques de Ain Temouchent" (CIMAT16), pp. ?? – ??. Ain Témouchent, Algérie, 04-05 Juin, 2016. 
http://lhydenv.iblogger.org/2016/03/12/conference-internationale-de-mathematiques-de-ain-temouchent/?ckattempt=1

[2015] 

Karim Abbas, Joost Berkhout and Bernd Heidergott, A Critical Account of Perturbation Analysis of Markov Chains. Abstract Book of "24th International Workshop on Matrices and Statistics" (IWMS-2015), pp. 42. Haikou City, Hainan Island, China Hainan Normal University, May 25 - 28, 2015.  http://iwms2015.csp.escience.cn/dct/page/1

Karima Adel-Aissanou, Karim Abbas and Djamil Aïssani, Performance evaluation of IP-Ad Hoc gateways. Proceedings of
"2015 Conference on Industrial Engineering and Operations Management" (IEOM), pp. 34. Dubai, United Arab Emirates, March
03-05, 2015.  http://iieom.org/ieom/call-for-papers/

Karima Adel-Aissanou, Karim Abbas and Djamil Aïssani, Strong Approximation for an Overflow Queueing Network. Proceedings of "3rd International Conference on Mathematical, Computational and Statistical Sciences" (MCSS ’15), pp. 196 – 210. Dubai, United Arab Emirates, February 22-24, 2015.  http://naun.org/cms.action?id=9209

Baya Takhedmit, Sofiane Ouazine and Karim Abbas, A Parametric Uncertainty Analysis Method for Queues with Vacations. Abstract Book of "The International Conference Mathematical and Computational Modelling in Science and Technology" (ICMCMST’ 2015), pp. 61 – 62. Izmir, Turkey, August 02-07, 2015.  http://icmcmst.alpha-publishing.net/

Fatah Cheurfa and Karim Abbas, Non parametric analysis of the probability of ruin. Abstract Book of "2nd International Conference on Computational and Experimental Science and ENgineering" (ICCESEN 2015), pp. 158. Kemer-Antalya, Turkey, 14-19 October 2015.  http://www.iccesen.org/

[2014]

 Sofiane Ouazine and Karim Abbas, A Functional Approximation for Retrial Queues with Two Way Communication. Abstract Book of "10th International Workshop on Retrial Queues" (10th WRQ), pp. 20. Tokyo Institute of Technology, Japan, July 24-26, 2014.  http://www.is.titech.ac.jp/ ˜tuan/10_WRQ/index.html

 Sofiane Ouazine and Karim Abbas, Numerical Approach for the Analysis and Optimization of GI/M/1/N Queue with Vacations. Abstract Book of "the First European Conference on Queueing Theory" (ECQT 2014), pp. 41. Ghent, Belgium, August 20-22, 2014.  http://ecqt2014.ugent.be

 Sofiane Ouazine and Karim Abbas, A Numerical Analysis of the M/G/1/N Queue with Vacations. Proceedings of "The th IFAC IEEE International Workshop on Discrete Event Systems" (WODES 2014), IFAC Proceedings Volumes, Vol.  47, Issue 2, Elsevier, pp. 504 – 509, 2014.  Special Session:Series Expansion based Numerical Approaches for the Analysis and Optimization of Markovian Systems, Organizer: Prof. B. Heidergott, Campus of the École Normale Supérieure de Cachan, France, May 14-16, 2014.  http://wodes2014.lurpa.ens-cachan.fr/
http://www.sciencedirect.com/science/article/pii/S1474667015374504

Sofiane Ouazine and Karim Abbas, Sensitivity Analysis of the GI/M/1 Queue with Negative Customers. Proceedings of "3rd Stochastic Modeling Techniques and Data Analysis International Conference" (SMTDA 2014), pp. 487 – 493. Lisbon, Portugal, June 11 - 14, 2014.  http://www.smtda.net/smtda2014.html

Baya Takhedmit and Karim Abbas, Non-Parametric Sensitivity Analysis of M/G/1/N Queue with Vacations. Proceedings of "International Conference on Advences in Applied Mathematics 2014" (ICAAM 2014), pp. ??. Hammamet, Tunisia, 22-25 December 2014.  https://sites.google.com/site/icaam2014/

Sofiane Ouazine and Karim Abbas, Numerical Approaches for Parametric Uncertainty Analysis of Queues. Proceedings of "International Conference on Advences in Applied Mathematics 2014" (ICAAM 2014), pp. ??. Hammamet, Tunisia, 22-25 December 2014.  https://sites.google.com/site/icaam2014/

Baya Takhedmit and Karim Abbas, La sensitivité des performances du système d’attente M/G/1/N avec vacances. Proceedings of "Colloque International Modélisation Stochastique et Statistique" (MSS’2014), pp. 77 – 80. USTHB, Alger, Algérie, 23-25 Novembre 2014.  http://mss2014.jimdo.com/

[2013]

 Sofiane Ouazine, Karim Abbas and Bernd Heidergott, The Taylor Series Expansions for Performance Functions of Queues: Sensitivity Analysis. Proceedings of "20th International Conference on Analytical and Stochastic Modelling Techniques and Applications" (ASMTA 2013), pp. 1 – 11. Ghent, Belgium, July 8-10, 2013.  http://www.springer.com/gp/book/9783642394072

Karim Abbas, Algorithmic Approach for Taylor Series Expansions with applications to Queueing Networks. Actes du "Operations Research Workshop on Perturbation Analysis Techniques for the Analysis of Stochastic Models". Tinbergen Institute, Amsterdam, The Netherlands, July 19, 2013.  http://www.tinbergen.nl/news/operations-research-workshop/

[2012]

Karima Adel-Aissanou, Karim Abbas and Djamil Aïssani, A truncation in the overflow model. Proceedings of "The Third International Conference on Industrial Engineering and Operations Management" (IEOM), pp. ??. Istanbul, Turkey, July 3-6, 2012.  http://www.iieom.org/ieom2012.html

[2011]

Bernd Heidergott, Karim Abbas and Djamil Aïssani, A Taylor series approach to the numerical analysis of the M/G/1 queue with breakdowns. Abstract Book of "The Applied Probability Society Conference" (APS2011), pp. 173. Royal Institute of Technology (KTH), Stockholm, Sweden, July 6-8, 2011.  https://www.informs.org/Community/Conferences/APS2011

[2010]

Karim Abbas, Bernd Heidergott and Djamil Aïssani, A Taylor series approach to the numerical analysis of the  queue. Proceedings of"International Conference on Computational Science" (ICCS’10), pp. 1553 – 1560. Amsterdam, The Netherlands, May 31 - June 2, 2010.  http://www.iccs-meeting.org/iccs2010/

Karim Abbas and Djamil Aïssani, Perturbation analysis of  queue. Proceedings of "2nd Rapid Modelling Conference" (RMC’10), pp. 3 – 15. Neuchâtel, Switzerland, August 30 - September 1, 2010.  http://www2.unine.ch/rmc10

Karim Abbas and Djamil Aïssani, Stochastic approximation in a queue with vacations. Abstract Book of "5th International Workshop on Applied Probability" (IWAP 2010), pp. 97. Madrid, Spain, July 5th-8th, 2010. 
http://www.fundacion.uc3m.es/IWAP2010/

Aoumer Sabrina, Karim Abbas and Djamil Aïssani, Strong stability method in queueing systems with hysteretic discipline. Actes du Colloque International "Modélisation Stochastique et Statistique" (MSS’2010), pp. 17. Alger, Algérie, 21-23 Novembre 2010.  http://mss10facmath.jimdo.com/

[2008]

Karim Abbas and Djamil Aïssani, Stochastic approximation in an queue with dependent breakdowns. Actes du Colloque International " Statistique des Processus et Applications" (CISPA 2008), pp. 51 – 54. Constantine, Algérie, 18-19 Octobre 2008.

[2007]

Karim Abbas and Djamil Aïssani, Approximation in an M/G/1 queueing system with breakdowns and repairs. Actes du Colloque International "First International Workshop on Verification and Evaluation of Computer and Communication Systems" (VECoS 2007). Algiers, Algeria, May 5-6, 2007.  http://ewic.bcs.org/category/16361

[2005]

Karim Abbas and Djamil Aïssani, Stabilité forte dans un système de files d’attente  à serveur non fiable. Actes du Colloque International "  Colloque International sur l’Optimisation et les Systèmes d’Information" (COSI’05), pp. ??. Béjaïa, 11-14 Juin 2005.  http://cosi.isima.fr/cosi2005/

[2004]

Karim Abbas and Djamil Aïssani, Sur les systèmes de files d’attente à serveurs non fiables. Actes du Colloque International "Modélisation Stochastique et Statistique" (MSS’2004), pp. ??. Alger, 17-19 Avril 2004.

Karim Abbas and Djamil Aïssani, Approximation dans le système  à serveur non fiable. Actes du Colloque International "Méthodes et Outils d’Aide à la Décision" (MOAD’2004), pp. ??. Saida, 28-29 Novembre 2004.

Communication nationale

[2008]

Karim Abbas and Djamil Aïssani, Stabilité forte dans un système d’attente avec désastres. Actes du Colloque National "La sixième Rencontre sur l’Analyse Mathématique et ses Applications" (RAMA VI), Tizi-Ouzou, Algérie, 26, 27 et 28 Avril 2008.

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