Program Schedule

General information: The conference place is the Dipartimento di Matematica "Leonida Tonelli", in Largo B. Pontecorvo, 5 (former Via Buonarroti, 2).
All the talks are held in Aula Faedo, ground floor; preregistration and registration are in Aula 1, ground floor.
In the afternoon of Friday, after the conference, a tutorial on fluid queues will be held by V. Ramaswami.

Monday Tuesday Wednesday Thursday Friday

MONDAY, JUNE 20, 2005

 17:00-18:30  Preregistration (Aula 1)

TUESDAY, JUNE 21, 2005

 9:00  Registration (Aula 1)
9:30 Welcome (Aula Faedo)
Session 1: Markov modulated chains. Chair: V. Ramaswami
9:45 M. Drmota (invited speaker), Asymptotic methods of enumeration and applications to Markov chain models.
10:30 N. Antunes, C. Nunes, A. Pacheco, Functionals of Markovian branching D-BMAPs.
11:00 Coffee Break
Session 2: Transient analysis. Chair: T. Takine
11:30 B. Van Houdt, C. Blondia, Approximated transient queue length and waiting time distributions via steady state analysis.
12:00 D. A. Stanford, G. Latouche, D. G. Woolford, D. Boychuk, A. Hunchak, Erlangized fluid queues with application to uncontrolled fire perimeter.
12:30 L. Rabehasaina, B. Sericola, Transient analysis of averaged queue length in Markovian queues.
13:00 Lunch
14:15 Video greeting from Marcel Neuts
Session 3: PH distributions. Chair: N. Bean
14:30 S. Ahn, V. Ramaswami, Bilateral phase type distributions
15:00 Q. He, H. Zhang, A note on unicyclic representations of phase type distributions.
15:30 A. Bobbio, A. Horváth, M. Telek, Matching three moments with minimal acyclic phase type distributions.
16:00 Coffee Break
Session 4: Polynomial methods. Chair: W. Grassmann
16:30 S. Nishimura, A spectral method for a nonpreemptive priority BMAP/G/1 queue.
17:00 D. Traczinski, W. Luther, G. Hasslinger, Polynomial factorization for servers with semi-Markovian workload: performance and numerical aspects of a verified solution technique.



Session 5: Factorizations. Chair: E. van Doorn
9:15 I. Spitkovsky (invited speaker), A survey of Wiener-Hopf factorization. Known results and open problems.
10:00 D. A. Bini, B. Meini, I. Spitkovsky Shift techniques and canonical factorizations in the solution of M/G/1-type Markov chains.
10:30 Q.-L. Li, Z. Lian, L. Liu, A RG-Factorization approach for a BMAP/M/1 Generalized Processor-Sharing Queue.
11:00 Coffee Break
Session 6: Applications. Chair: Q.-M. He
11:30 D. Gamarnick, M. Squillante, Analysis of stochastic online bin packing processes.
12:00 M.-A. Remiche, Compliance of the token bucket model with Markovian traffic.
12:30 D. Green, A. V. Metcalfe, Reliability of supply between production lines.
13:00 Picture followed by lunch
15:00 Excursion to Lucca
21:00 Social banquet



Session 7: Algorithms. Chair: M. Telek
9:30 Q. Zhang, A. Heindl, E. Smirni, Characterizing the BMAP/MAP/1 departure process via the ETAQA truncation.
10:00 L. B. White, A new policy evaluation algorithm for Markov decision processes with quasi-birth death structure.
10:30 M. Van Vuuren, I.J.B.F. Adan, Approximating the $\Sigma GI/G/s$ queue by using aggregation and matrix analytic methods.
11:00 Coffee Break
Session 8: Queueing theory. Chair: E. Smirni
11:30 H. W. Lee, J. W. Baek, BMAP/G/1 queue under D-policy: Queue length analysis.
12:00 A. da Silva Soares, G. Latouche, Level-phase independence for fluid queues.
12:30 J. Van Velthoven, B. Van Houdt, C. Blondia, Response time distribution in a D/MAP/PH/1 queue with general customer impatience.
13:00 Lunch
Session 9: Priority queues. Chair: M.-A. Remiche
14:30 J. Xue, A. S. Alfa, Tail probability of low-priority queue length in a discrete-time priority BMAP/PH/1 queue.
15:00 H. Masuyama, T. Takine, Matrix product-form solutions for LCFS preemptive service single-server queues with batch Markovian arrival streams.
15:30 A. Gomez-Corral, A. Krishnamoorthy, V. C. Narayanan, The impact of self-generation of priorities on multi-server queues with finite capacity.
16:00 Coffee break
16:30 Business meeting. Chair: D.A. Bini


FRIDAY, JUNE 24, 2005

Session 10: Decay rates. Chair: A. Alfa
9:30 N. D. Van Foreest, M. R. H. Mandjes, J. C. W. van Ommeren, W. R. W. Scheinhardt, A tandem queue with server slow-down and blocking.
10:00 H. Li, Y. Q. Zhao, A retrial queue with a constant retrial rate, server break downs and impatient customers.
10:30 A. Motyer, Decay rates of QBD processes with countably many phases and tridiagonal block generators.
11:00 Coffee Break
Session 11: Matrix exponential distributions. Chair: D. Stanford
11:30 M. Fackrell, Fitting with Matrix-exponential Distributions.
12:00 A. Van de Liefvoort, A. Heindl, Approximating matrix-exponential distributions by global randomization.
12:30 Closing session
13:00 Lunch
15:00 V. Ramaswami, Matrix Analytic Methods for Fluid Flow Models (part 1).
16:00 V. Ramaswami, Matrix Analytic Methods for Fluid Flow Models (part 2).