University of TsukubaApplied Stochastic
Systems Lab.

Japanese

Achievements

[Google Scholar] [Elsevier Scopus] [Web of Science] [ResearchGate]

Edited Volumes

  1. T. Phung-Duc, Y. Takahashi and H. Takagi Eds., Special Issue on Queueing theory and network applications II, Annals of Operations Research, Vol. 293, No.1, 2020.
  2. M. Gribaudo, M. Iacono, T. Phung-Duc and R. Razumchik, Eds., Computer Performance Engineering, Lecture Notes in Computer Science (LNCS), Vol. 12039 (16th European Workshop, EPEW 2019, Milan, Italy, November 28–29, 2019, Revised Selected Papers).
  3. T. Phung-Duc, S. Kasahara and S. Wittevrongel, Eds., Lecture Notes in Computer Science (LNCS), Vol. 11688 (Selected Papers of The 14th International Conference on Queueing Theory and Network Applications (QTNA2019), Ghent, Belgium, 27-28 August 2019).
  4. Y. Takahashi, W. Yue and T. Phung-Duc, Eds., Special Issue of Annals of Operations Research on Queueing Theory and Network Applications, Vol. 277, No. 2, 2019.
  5. Y. Takahashi, T. Phung-Duc, S. Wittevrongel and W. Yue, Eds., Lecture Notes in Computer Science (LNCS), Vol. 10932 (Selected Papers of The 13th International Conference on Queueing Theory and Network Applications (QTNA2018), Tsukuba, Japan, 25-27 July 2018).
  6. S. Wittevrongel and T. Phung-Duc, Eds., Lecture Notes in Computer Science (LNCS), Vol. 9845 (Proceedings of 23rd International Conference on Analytical & Stochastic Modelling Techniques & Applications, Cardiff, Wales, UK, 24-26 August 2016).
  7. A. Gomez-Corral and T. Phung-Duc, Eds., Special Issue on Retrial Queues and Related Models, Annals of Operations Research, Vol. 247, No. 1, 2016.

Refereed Journal Papers

  1. T. Phung-Duc, K. Akutsu, K. Kawanishi, O. Salameh and S. Wittevrongel, “Queueing models for cognitive wireless networks with sensing time of secondary users,” to appear in Annals of Operations Research, 2021.
  2. Y. Sakuma, O. Boxma and T. Phung-Duc, “An M/PH/1 queue with workload-dependent processing speed and vacation,” Published online in Queueing Systems, 2021.
  3. A. Nazarov, A. Moiseev, T. Phung-Duc and S. Paul, “Diffusion limit of multi-server retrial queue with setup time,” Mathematics, Vol. 8, No. 12, Article no. 2232, 2020.
  4. M. Yajima and T. Phung-Duc, “Analysis of a Variable Service Speed Single Server Queue with Batch Arrivals and General Setup Time,” Performance Evaluation, Vol. 138, Article no. 102082, 2020.
  5. V. I. Dragieva, and T. Phung-Duc, “A Finite-Source M/G/1 Retrial Queue with Outgoing Calls,” to appear in Annals of Operations Research, 2019.
  6. T. Phung-Duc, and K. Kawanishi, “Delay Performance of Data-Center Queue with Setup Policy and Abandonment,” to appear in Annals of Operations Research, 2019.
  7. A. Devos, J. Walraevens, T, Phung-Duc, and H. Bruneel, “Analysis of the Queue Lengths in a Priority Retrial Queue with Constant Retrial Policy,” to appear in Journal of Industrial and Management Optimization, 2019.
  8. A. Nazarov, T. Phung-Duc, and S. Paul, Slow Retrial Asymptotics for a Single Server Queue with Two-Way Communication and Markov Modulated Poisson Input, Vol. 28, No. 2, pp. 181-193, April, 2019.
  9. M. Yajima and T. Phung-Duc, A Central Limit Theorem for a Markov-Modulated Infinite-Server Queue with Batch Poisson Arrivals and Binomial Catastrophes, Performance Evaluation, Vol. 129, pp. 2-14, February, 2019.
  10. J. Walraevens, D. Claeys and T. Phung-Duc, Asymptotics of Queue Length Distributions in Priority Retrial Queues, Peformance Evaluation, Vol. 127-128, pp. 235-252, November, 2018.
  11. D. Fiems and T. Phung-Duc, Light-Traffic Analysis of Random Access Systems without Collisions, Published Online First in Annals of Operations Research, 21 pages,　September, 2017. [DOI: 10.1007/s10479-017-2636-7]
  12. T. Phung-Duc and K. Kawanishi, Multiserver Retrial Queue with Setup Time and its Application to Data Centers, Journal of Industrial and Management Optimization, Vol. 15, No. 1, pp. 15-35, January, 2019.
  13. M. Yajima and T. Phung-Duc, Batch Arrival Single Server Queue with Variable Service Speed and Setup Time, Queueing Systems: Theory and Applications, Vol. 86, Nos. 3-4, pp. 241-260, August 2017.
  14. T. Phung-Duc, Single Server Retrial Queues with Setup Time, Journal of Industrial and Management Optimization, Vol. 13, pp. 1329-1345, July 2017.
  15. E. Morozov and T. Phung-Duc, Stability Analysis of a Multiclass Retrial System with Classical Retrial Policy, Performance Evaluation, Vol. 112, pp. 15-26, June, 2017.
  16. T. Phung-Duc, W. Rogiest and S. Wittevrongel, Single Server Retrial Queues with Speed Scaling: Analysis and Performance Evaluation, Journal of Industrial and Management Optimization, Vol. 13, No. 4, pp. 1927-1943, October 2017.
  17. T. Phung-Duc, Exact Solutions for M/M/c/Setup Queues, Telecommunication Systems, Vol. 64, No. 2, pp. 309-324, February 2017.
  18. H. Sakurai and T. Phung-Duc, Scaling Limits for Single Server Retrial Queues with Two-Way Communication, Annals of Operations Research, Vol. 247, No. 1, pp. 229-256, December 2016.
  19. T. Phung-Duc, W. Rogiest, Y. Takahashi, and H. Bruneel, Retrial Queues with Balanced Call Blending: Analysis of Single-Server and Multiserver Model, Annals of Operations Research, Vol. 239, No. 2, pp. 429-449, April 2016.
  20. K. Kajiwara and T. Phung-Duc, Multiserver Queue with Guard Channel for Priority and Retrial Customers, International Journal of Stochastic Analysis, Vol. 2016, Article ID 7168359, 23 pages, 2016.
  21. S. Kapodistria, T. Phung-Duc, and J. Resing, Linear Birth/Immigration-Death Process with Binomial Catastrophes, Probability in the Engineering and Informational Sciences, Vol. 30, pp. 79-111, January 2016.
  22. T. Phung-Duc, Asymptotic Analysis for Markovian Queues with Two Types of Nonpersistent Retrial Customers, Applied Mathematics and Computation, Vol. 265, pp. 768-784, August, 2015.
  23. H. Sakurai and T. Phung-Duc, Two-Way Communication Retrial Queues with Multiple Types of Outgoing Calls, TOP, Vol. 23, No. 2, pp. 466-492, July, 2015.
    24. 　
  24. T. Phung-Duc and K. Kawanishi, Performance Analysis of Call Centers with Abandonment, Retrial and After-Call Work, Performance Evaluation, Vol. 80, pp. 43-62, October, 2014.
  25. T. Phung-Duc, Multiserver Retrial Queues with Two Types of Nonpersistent Customers, Asia-Pacific Journal of Operational Research, Vol. 31, No. 2, 1440009, 27 pages, April, 2014.
  26. T. Phung-Duc and K. Kawanishi, An Efficient Method for Performance Analysis of Blended Call Centers with Redial, Asia-Pacific Journal of Operational Research, Vol. 31, No. 2, 1440008, 33 pages, April, 2014.
  27. J.R. Artalejo and T. Phung-Duc, Single Server Retrial Queues with Two Way Communication, Applied Mathematical Modelling, Vol. 37, No. 4, pp. 1811-1822, February, 2013.
  28. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, A Matrix Continued Fraction Approach to Multiserver Retrial Queues, Annals of Operations Research, Vol. 202, No. 1, pp. 161-183, January, 2013.
  29. J.R. Artalejo and T. Phung-Duc, Markovian Retrial Queues with Two Way Communication, Journal of Industrial and Management Optimization, Vol. 8, No. 4, pp. 781-806, November, 2012.
  30. T. Phung-Duc, An Explicit Solution for a Tandem Queue with Retrials and Losses, Operational Research: An International Journal, Vol. 12, No. 2, pp. 189-207, August, 2012.
  31. T. Phung-Duc and K. Kawanishi, Multiserver Retrial Queues with After-Call Work, Numerical Algebra, Control and Optimization, Vol. 1, No. 4, pp. 639-656, December, 2011.
  32. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, State-Dependent M/M/c/c+r Retrial Queues with Bernoulli Abandonment, Journal of Industrial and Management Optimization, Vol. 6, No. 3, pp. 517-540, August, 2010.
  33. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, M/M/3/3 and M/M/4/4 Retrial Queues, Journal of Industrial and Management Optimization, Vol. 5, No. 3, pp. 431-451, August, 2009.
  34. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, Performance Analysis of Optical Burst Switched Networks with Limited-Range Wavelength Conversion, Retransmission and Burst Segmentation, Journal of the Operations Research Society of Japan, Vol. 52, No. 1, pp. 58-74, March, 2009.

Refereed International Conference Papers

  1. Y. Makino, T. Phung-Duc and F. Machida, “A Queueing Analysis of Multi-model Multi-input Machine Learning Systems,” to appear in Proceedings of The 4th DSN Workshop on Dependable and Secure Machine Learning (DSN-DSML'21), Taipei, Taiwan, 21 June 2021.
  2. A. Nakamura, T. Phung-Duc and H. Ando, “A Stochastic Model for Car/Ride-Share Service by a Bus Company,” Proceedings of The 2020 International Symposium on Nonlinear Theory and Its Applications (NOLTA2020), pp. 312-315, Okinawa, Japan, November 16-19, 2020. Student Paper Award.
  3. A. Nazarov, T. Phung-Duc and Y. Izmailova, “Gaussian asymptotics for a multiclass M/M/1 retrial queueing system,” Proceedings of DCCN' 2020, pp. 89--96, Moscow, Russia, September 14-18, 2020.
  4. A. Nazarov, T. Phung-Duc, S. Paul and O. Lizura, “Asymptotic-Diffusion Analysis of Multiserver Retrial Queue with Two-Way Communication,” Proceedings of DCCN' 2020, pp. 531--539, Moscow, Russia, September 14-18, 2020.
  5. A. Nazarov, T. Phung-Duc, S. Paul and O. Lizura, “Asymptotic-Diffusion Analysis of Retrial Queue with Two-Way Communication and Renewal Input,” Proceedings of The 5th International Conference on Stoсhastic Methods (ICSM-5), pp. 345--351, Moscow, Russia, November 23--27, 2020.
  6. A. Nazarov, T. Phung-Duc and Izmailova, Y. (2020), “Asymptotic-diffusion analysis of multiserver retrial queueing system with priority customers,” Accepted at ITMM' 2020.
  7. A. Nazarov, T. Phung-Duc, S. Paul ,and O. Lizura and K. Shulgina (2020), “Asymptotic Analysis of Markovian Retrial Queue with Unreliable Server and Two-Way Communication under Low Rate of Retrials Condition,” Accepted at ITMM' 2020.
  8. M. A. Yazici and T. Phung-Duc, “M/M/1 Vacation Queue with Multiple Thresholds: A Fluid Analysis,” Proc. of QEST 2020. Lecture Notes in Computer Science, LNCS 12289, pp. 148-152, 2020, Springer, Cham.
  9. A. Nazarov, T. Phung-Duc and Y. Izmailova, “Multidimensional Central Limit Theorem of the Multiclass M/M/1/1 Retrial Queue,” In: Vishnevskiy V.M., Samouylov K.E., Kozyrev D.V. (eds), Distributed Computer and Communication Networks, DCCN 2020. Lecture Notes in Computer Science, LNCS 12563, pp. 298--310, Springer, Cham.
  10. A. Nazarov, T. Phung-Duc, S. Paul and O. Lizura, “Diffusion Approximation for Multiserver Retrial Queue with Two-Way Communication,” In: Vishnevskiy V.M., Samouylov K.E., Kozyrev D.V. (eds), Distributed Computer and Communication Networks, DCCN 2020. Lecture Notes in Computer Science, LNCS 12563, pp. 567--578, Springer, Cham.
  11. A. Nazarov, T. Phung-Duc, S. Paul and O. Lizura and K. Shulgina, “Central Limit Theorem for an M/M/1/1 Retrial Queue with Unreliable Server and Two-Way Communication,” to appear in Communications in Computer and Information Science, 2021.
  12. A. Nazarov, T. Phung-Duc and Y. Izmailova, “Asymptotic-diffusion analysis of multiserver retrial queueing system with priority customers,” to appear in Communications in Computer and Information Science, 2021.
  13. A. Nazarov, T. Phung-Duc, S. Paul and O. Lizura, “Diffusion Approximation for Retrial Queue with Two-Way Communication and Renewal Input,” to appear in Springer Proceedings in Mathematics & Statistics, 2021.
  14. V. I. Dragieva and T. Phung-Duc, “Queueing Analysis of Cognitive Radio Networks with Finite Number of Secondary Users,” ASMTA2019, Lecture Notes in Computer Science, LNCS 12023, pp. 18--32, 2020, Springer, Cham.
  15. A. Nakamura, T. Phung-Duc and H. Ando, “Queueing Analysis for a Mixed Model of Carsharing and Ridesharing,” ASMTA2019, Lecture Notes in Computer Science, LNCS 12023, pp. 144--157, 2020, Springer, Cham.
  16. T. Phung-Duc and D. Fiems, “Exact Performance Analysis of Retrial Queues with Collisions,” ASMTA2019, Lecture Notes in Computer Science, LNCS 12023, pp. 42--56, 2020, Springer, Cham.
  17. I. Dimitriou and T. Phung-Duc, “Analysis of Cognitive Radio Networks with Cooperative Communication,” Proceedings of EAI VALUETOOLS 2020 - 13th EAI International Conference on Performance Evaluation Methodologies and Tools (Valuetools 2020), pp. 192-195, Tsukuba, Japan, May 18-20, 2020.
  18. A. Nazarov, T. Phung-Duc, S. Paul and O. Lizura, “Asymptotic-Diffusion Analysis for Retrial Queue with Batch Poisson Input and Multiple Types of Outgoing Calls,” Vishnevskiy, V. M., Samouylov, K. E., Kozyrev, D. V. (Eds.), Distributed Computer and Communication Networks, DCCN 2019. Lecture Notes in Computer Science, LNCS 11965, pp. 207-222, Springer, Cham.
  19. V. Dragieva and T. Phung-Duc, “On the Busy Period in a Finite-Source Retrial Queue with Outgoing Calls,” Proceedings of International Conference on Information Technologies and Mathematical Modelling 2019, pp. 1-13, In: Dudin A., Nazarov A., Moiseev A. (eds) Information Technologies and Mathematical Modelling. Queueing Theory and Applications. ITMM 2019. Communications in Computer and Information Science, vol 1109. Springer, Cham.
  20. A. Nazarov, T. Phung-Duc, S. Paul, O. Lizura “Single Server Queues with Batch Poisson Input and Multiple Types of Outgoing Calls,” Proceedings of International Conference on Information Technologies and Mathematical Modelling 2019, pp. 177-187, In: Dudin A., Nazarov A., Moiseev A. (eds) Information Technologies and Mathematical Modelling. Queueing Theory and Applications. ITMM 2019. Communications in Computer and Information Science, vol 1109. Springer, Cham.
  21. Y. Makino and T. Phung-Duc, “Queueing Analysis of Taxi Stand Considering Boarding Time,” To be presented at NOLTA2019.
  22. Y. Sakuma, O. Boxma and T. Phung-Duc, “A single server queue with workload-dependent service speed and vacations,” Lecture Notes in Computer Science, LNCS 11688, pp. 112-127, 2019.
  23. S. Hideyama, T. Phung-Duc and Y. Okada, “Queueing Analysis of Home Delivery Services with Parcel Lockers,” Lecture Notes in Computer Science, LNCS 11688, pp. 351-368, 2019.
  24. K. Akutsu and T. Phung-Duc, “Analysis of Retrial Queues for Cognitive Wireless Networks with Sensing Time of Secondary Users,” Lecture Notes in Computer Science, LNCS 11688, pp. 77-91, 2019.
  25. M. Yajima and T. Phung-Duc, A Central Limit Theorem for a Markov-Modulated Infinite-Server Queue with Batch Poisson Arrivals and Binomial Catastrophes, Proceedings of the 36th IFIP International Symposium on Computer Performance, Modeling, Measurements and Evaluation. ACM SIGMETRICS Performance Evaluation Review, 46(3):33-34, 2019.　
  26. Y. Ren, T. Phung-Duc, Y.-K. Liu, J.-C. Chen and Y.-H. Lin, ASA: Adaptive VNF Scaling Algorithm for Mobile 5G Networks, Proceedings of IEEE International Conference on Cloud Networking (IEEE CloudNet2018), Tokyo, Japan, October 22-24, 2018, IEEE Xplore Digital Library 4 pages.
  27. S. Paul and T. Phung-Duc, Retrial Queueing Model with Two-Way Communication, Unreliable Server and Resume of Interrupted Call for Cognitive Radio Networks, Proceedings of 17th Information Technologies and Mathematical Modelling. Queueing Theory and Applications and 12th International Workshop on Retrial Queues and Related Topics (WRQ 2018), Tomsk, Russia, September 10-15, 2018. pp. 213-224. In: A. Dudin and A. Nazarov, A. Moiseev (Eds.), Information Technologies and Mathematical Modelling. Queueing Theory and Applications, Communications in Computer and Information Science (CCIS), Vol. 912, Springer, Cham, 2018.
  28. A. Nazarov, T. Phung-Duc and S. Paul, Unreliable Single-Server Queue with Two-Way Communication and Retrials of Blocked and Interrupted Calls for Cognitive Radio Networks, Proceedings of the 21th International Conference on Distributed and Computer and Communication Networks (DCCN 2018), Moscow, Russia, September 17–21, 2018. pp. 276-287. In: V. M. Vishnevskiy and D. V. Kozyrev (Eds.), Distributed Computer and Communication Networks, DCCN 2018, Communications in Computer and Information Science (CCIS), Vol. 919, Springer, Cham, 2018.
  29. E. Morozov and T. Phung-Duc, Regenerative Analysis of Two-Way Communication Orbit-Queue with General Service Time, Proceedings of the 13th International Conference on Queueing Theory and Network Applications (QTNA2018), Tsukuba, Ibaraki, Japan, July 25—27, 2018, pp. 22-32. In: Y. Takahashi, T. Phung-Duc, S. Wittevrongel and W. Yue (Eds.), Queueing Theory and Network Applications, Lecture Notes in Computer Science (LNCS), Vol. 10932, Springer, Cham, 2018.
  30. V. Dragieva and T. Phung-Duc, An M/G/1//K Retrial Queue with Outgoing Calls, Proceedings of the 13th International Conference on Queueing Theory and Network Applications (QTNA2018), pp. 9--13, Tsukuba, Japan, July 25-27, 2018.
  31. T. Phung-Duc, and K. Kawanishi, Delay Performance of Data Center Queue with Staggered Setup Policy and Abandonment, Proceedings of the 13th International Conference on Queueing Theory and Network Applications (QTNA2018), pp. 34-38, Tsukuba, Japan, July 25-27, 2018.
  32. S. Hideyama and T. Phung-Duc, Queueing Model for Data Center with Server-Block Setup Time, Proceedings of the 13th International Conference on Queueing Theory and Network Applications (QTNA2018), pp. 39-43, Tsukuba, Japan, July 25-27, 2018.
  33. M. Yajima and T. Phung-Duc, A Scaling Limit for Markov-modulated MX/M/Infinity Queue with Binomial Catastrophes, Proceedings of the 13th International Conference on Queueing Theory and Network Applications (QTNA2018), pp. 88-92, Tsukuba, Japan, July 25-27, 2018.
  34. A. Aissani and T. Phung-Duc, Profiting the Idleness in Single Server System with Orbit-Queue, Proceedings of the 11th EAI International Conference on Performance Evaluation Methodologies and Tools, pp. 237-243, Venice, Italy, December 5-7, 2017. ACM Digital Library.
  35. A. Nazarov, T. Phung-Duc and S. Paul (2017), “Heavy Outgoing Call Asymptotics for MMPP/M/1/1 Retrial Queue with Two-Way Communication,” Proceedings of International Conference on Information Technologies and Mathematical Modelling, Kazan National Research Technological University, Republic of Tatarstan, Russian Federation, September 29, 2017- October 3, 2017. pp. 28-41. In: A. Dudin et al. (Eds.), Information Technologies and Mathematical Modelling. Queueing Theory and Applications, Communications in Computer and Information Science (CCIS), Vol. 800, Springer, Cham, 2017.
  36. V. Dragieva and T. Phung-Duc, Two-Way Communication M/M/1/1 Queue with Server-Orbit Interaction and Feedback of Outgoing Retrial Calls, Proceedings of International Conference on Information Technologies and Mathematical Modelling, Kazan National Research Technological University, Republic of Tatarstan, Russian Federation, September 29, 2017- October 3, 2017. pp. 243-255. In: A. Dudin et al. (Eds.), Information Technologies and Mathematical Modelling. Queueing Theory and Applications, Communications in Computer and Information Science (CCIS), Vol. 800, 2017.
  37. T. Phung-Duc and V. Dragieva, Stability Analysis of Multiserver System with Servers-Orbit Interaction and Feedback, Proceedings of 15th International Conference of Numerical Analysis and Applied Mathematics (Symposium on Stochastic Models: Methods and Applications), Thessaloniki, Greece, September 25-30, 2017. AIP Conference Proceedings 1863, Article no. 200006, 4 pages.
  38. I. Dimitriou and T. Phung-Duc, Riemann-Hilbert Boundary Value Problem for Single Server Systems with Two Orbits for Blocked and Feedback Customers, Proceedings of 15th International Conference of Numerical Analysis and Applied Mathematics (Symposium on Stochastic Models: Methods and Applications), Thessaloniki, Greece, September 25-30, 2017. AIP Conference Proceedings 1863, Article no. 200006, 4 pages.
  39. Yajima, T. Phung-Duc and H. Masuyama, The stability Condition of the BMAP/PH/infinity Queues, Proceedings of the 12th International Conference on Queueing Theory and Network Applications (QTNA2017), pp. 82-85, Yanshan University Qinhuangdao, China, August 21-23, 2017.
  40. V. Dragieva and T. Phung-Duc, Two-Way Communication M/M/1//N Retrial Queue, Proceedings of 24th International Conference on Analytical & Stochastic Modelling Techniques & Applications (ASMTA 2017), Newcastle-upon-Tyne, UK, 10-12 July, 2017. pp. 81-94. In: Thomas N., Forshaw M. (Eds.), Analytical and Stochastic Modelling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 10378, Springer, Cham, 2017.
  41. T. Phung-Duc and V. Dragieva, Stability Condition for a Multiserver Retrial Queue with Interaction between Servers and Orbit, Proceedings of 14th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2016), 19-25 September 2016, Rhodes, Greece, AIP Conference Proceedings 1863, Article no. 200006, 4 pages.
  42. Y. Ren, T. Phung-Duc, Z.- W. Yu and J.-C. Chen, Dynamic Auto Scaling Algorithm (DASA) for 5G Mobile Networks, Proceedings of IEEE Globe Communication Conference (IEEE Globecom 2016), Washington DC, USA, 4-8 December 2016, IEEE Xplore Digital Library, 6 pages.
  43. T. Phung-Duc, Y. Ren and J.-C. Chen and Z.- W. Yu, Design and Analysis of Deadline and Budget Constrained Autoscaling (DBCA) Algorithm for 5G Mobile Networks, Proceedings of 8th IEEE International Conference on Cloud Computing Technology and Science (IEEE Cloudcom 2016), Luxembourg, 12-15 December 2016, IEEE Xplore Digital Library, 8 pages.
  44. M. Yajima, T. Phung-Duc and H. Masuyama, The Stability Condition of BMAP/M/infinity Queues, Proceedings of The 11th International Conference on Queueing Theory and Network Applications (QTNA2016), December 13-16, 2016, Wellington, New Zealand, ACM Digital Library, 6 pages. Candidate for Best Paper Awards.
  45. T. Phung-Duc and K. Kawanishi, Impacts of Retrials on Power-Saving Policy in Data Centers, Proceedings of The 11th International Conference on Queueing Theory and Network Applications (QTNA2016), December 13-16, 2016, Wellington, New Zealand, ACM Digital Library, 4 pages.
  46. V. Dragieva and T. Phung-Duc, Two-Way Communication M/M/1 Retrial Queue with Server-Orbit Interaction, Proceedings of The 11th International Conference on Queueing Theory and Network Applications (QTNA2016), December 13-16, 2016, Wellington, New Zealand, ACM Digital Library, 6 pages.
  47. D. Fiems and T. Phung-Duc, Light-Traffic Analysis of Queues with Limited Heterogenous Retrials, Proceedings of The 11th International Conference on Queueing Theory and Network Applications (QTNA2016), December 13-16, 2016, Wellington, New Zealand, ACM Digital Library, 4 pages.
  48. J. Pender and T. Phung-Duc, A Law of Large Numbers for M/M/c/Delayoff-Setup Queues with Nonstationary Arrivals, Proceedings of 23rd International Conference on Analytical & Stochastic Modelling Techniques & Applications, Cardiff, Wales, UK, 24-26 August 2016. pp. 253-268. In: S. Wittevrongel and T. Phung-Duc (Eds.), Analytical and Stochastic Modelling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 9845, Springer, Cham, 2016.
  49. T. Phung-Duc and K. Kawanishi, Energy-Aware Data Centers with s-Staggered Setup and Abandonment, Proceedings of 23rd International Conference on Analytical & Stochastic Modelling Techniques & Applications, Cardiff, Wales, UK, 24-26 August 2016. pp. 269-283. In: S. Wittevrongel and T. Phung-Duc (Eds.), Analytical and Stochastic Modelling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 9845, Springer, Cham, 2016.
  50. T. Phung-Duc, Controllable Setup Queue for Energy-Aware Server, Proceedings of The 31st UK Performance Engineering Workshop (UKPEW'2015), pp. 96-109, University of Leeds, UK, September 17, 2015.
  51. T. Phung-Duc, Large-Scale Data Center with Setup Time and Impatient Customer, Proceedings of The 31st UK Performance Engineering Workshop (UKPEW'2015), pp. 47-60, University of Leeds, UK, September 17, 2015.
  52. T. Phung-Duc, M/M/1/1 Retrial Queues with Setup Time, Proceedings of The 10th International Conference on Queueing Theory and Network Applications (QTNA2015), Hanoi, Vietnam, August 17-20, 2015. pp. 93-104. In: T.V. Do, Y. Takahashi, W. Yue, and V.–H. Nguyen (Eds.), Queueing Theory and Network Applications, Advances in Intelligent Systems and Computing, Vol. 383, Springer, Cham, 2015.
  53. T. Phung-Duc and W. Rogiest, Analysis of an M/M/1 Retrial Queue with Speed Scaling, Proceedings of The 10th International Conference on Queueing Theory and Network Applications (QTNA2015), Hanoi, Vietnam, August 17-20, 2015. pp. 113-124. In: T.V. Do, Y. Takahashi, W. Yue, and V.–H. Nguyen (Eds.), Queueing Theory and Network Applications, Advances in Intelligent Systems and Computing, Vol. 383, Springer, Cham, 2015.
  54. T. Phung-Duc, Retrial Queue for Cloud Systems with Separated Processing and Storage Units, Proceedings of The 10th International Conference on Queueing Theory and Network Applications (QTNA2015), Hanoi, Vietnam, August 17-20, 2015. pp. 143-151. In: T.V. Do, Y. Takahashi, W. Yue, and V.–H. Nguyen (Eds.), Queueing Theory and Network Applications, Advances in Intelligent Systems and Computing, Vol. 383, Springer, Cham, 2015.
  55. A. Aissani and T. Phung-Duc, Optimal Analysis for M/G/1 Retrial Queue with Two-Way Communication, Proceedings of The 22nd International Conference on Analytical & Stochastic Modelling Techniques & Applications (ASMTA'15), Albena, Bulgaria, May 26-29, 2015. pp. 173-187. In: M. Gribaudo, D. Manini, and A. Remke (Eds.), Analytical and Stochastic Modelling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 9081, Springer, Cham, 2015.
  56. T. Phung-Duc, Single-Server Systems with Power-Saving Modes, Proceedings of The 22nd International Conference on Analytical & Stochastic Modelling Techniques & Applications (ASMTA'15), Albena, Bulgaria, May 26-29, 2015. pp. 158-172. In: M. Gribaudo, D. Manini, and A. Remke (Eds.), Analytical and Stochastic Modelling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 9081, Springer, Cham, 2015.
  57. T. Phung-Duc, Multiserver Queues with Finite Capacity and Setup Time, Proceedings of The 22nd International Conference on Analytical & Stochastic Modelling Techniques & Applications (ASMTA'15), Albena, Bulgaria, May 26-29, 2015. pp. 173-187. In: M. Gribaudo, D. Manini, and A. Remke (Eds.), Analytical and Stochastic Modelling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 9081, Springer, Cham, 2015.
  58. T. Phung-Duc, Server Farms with Batch Arrival and Staggered Setup, Proceedings of The Fifth Symposium on Information and Communication Technology (SoICT), pp. 240-247, Hanoi, Vietnam, December 4-5, 2014. ACM Digital Library
  59. J. Hu and T. Phung-Duc, Power Consumption Analysis for Data Centers with Independent Setup Times and Threshold Controls, Proceedings of The 12th International Conference of Numerical Analysis and Applied Mathematics, Rhodes, Greece, September 22-28, 2014, T. E. Simos and C. Tsitouras (Eds.), AIP Conference Proceedings, Vol. 1648, 170005, 4 pages.
  60. T. Phung-Duc, Impatient Customers in Power-Saving Data Centers, Proceedings of The 21th International Conference on Analytical and Stochastic Modeling Techniques and Applications, ASMTA 2014, Budapest, Hungary, June 30-July 2, 2014. pp. 185-199. In: B. Sericola, M. Telek, and G. Gabor (Eds.), Analytical and Stochastic Modeling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 8499, Springer, Cham, 2014.
  61. K. Kajiwara and T. Phung-Duc, Asymptotic and Numerical Analysis of Multiserver Retrial Queue with Guard Channel for Cellular Networks, Proceedings of The Eight International Conference on Matrix-Analytic Methods in Stochastic Models (MAM8), pp. 85-102, NIT Calicut, Kerala, India, January 06-10, 2014.
  62. H. Sakurai and T. Phung-Duc, Single Server Markovian Retrial Queues with Multiple Types of Outgoing Calls, Proceedings of The 8th International Conference on Queueing Theory and Network Applications (QTNA 2013), pp. 39-46, Taichung, Taiwan, July 30-August 02, 2013.
  63. K. Hashizume, T. Phung-Duc, S. Kasahara, and Y. Takahashi, Queueing Analysis of Internet-Based Call Centers with Interactive Voice Response and Redial, Proceedings of The 17th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks 2012 (IEEE CAMAD 2012), pp. 373-377, Barcelona, Spain, September 17-19, 2012. IEEE Xplore Digital Library.
  64. T. Phung-Duc and W. Rogiest, Two Way Communication Retrial Queues with Balanced Call Blending, Proceedings of The 19th International Conference on Analytical and Stochastic Modeling Techniques and Applications (ASMTA 2012), Grenoble, France, June 4-6, 2012. pp. 16-31. In: K. Al-Begain, D. Fiems, and J. M. Vincent, (Eds.), Analytical and Stochastic Modeling Techniques and Applications, Lecture Notes in Computer Science (LNCS), Vol. 7314, Springer, Berlin, Heidelberg, 2012.
  65. J.R. Artalejo and T. Phung-Duc, Markovian Single Server Retrial Queues with Two Way Communication, Proceedings of The 6th International Conference on Queueing Theory and Network Applications (QTNA 2011), pp. 1-7, Seoul, Korea, August 23-26, 2011.
  66. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, A Simple Algorithm for the Rate Matrices of Level-Dependent QBD Processes, Proceedings of The 5th International Conference on Queueing Theory and Network Applications (QTNA 2010), pp. 46-52, Beijing, China, July 24-26, 2010.
  67. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, Analytical Solutions for State-Dependent M/M/c/c+r Retrial Queues with Bernoulli Abandonment, Proceedings of The 4th International Conference on Queueing Theory and Network Applications (QTNA 2009), Fusionopolis, Singapore, Article No.17, 8 pages, July 29-31, 2009. ACM Digital Library.
  68. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, Analytical Solutions for M/M/3/3 and M/M/4/4 Retrial Queues, Proceedings of The 3rd Asia-Pacific Symposium on Queueing Theory and Network Applications (QTNA 2008), pp. 241-250, Academia Sinica, Taipei, Taiwan, July 30–August 2, 2008.
  69. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, Burst Segmentation with Upper-Layer Retransmission and Its Effect on Wavelength Utilization for Optical Burst Switched Networks, Proceedings of The First International Conference on Communications and Electronics (HUT-ICCE), pp. 35-40, Hanoi, Vietnam, October 10-11, 2006. IEEE Xplore Digital Library.

Contributions to Books

  1. T. Phung-Duc, “Batch Arrival Multiserver Queue with State-Dependent Setup for Energy-Saving Data Center,” Applied Probability and Stochastic Processes. Infosys Science Foundation Series, pp. 421-440, 2020.
  2. T. Phung-Duc (2017), “Retrial Queueing Models: A Survey on Theory and Applications,” to appear in Stochastic Operations Research in Business and Industry (eds. by Tadashi Dohi, Katsunori Ano and Shoji Kasahara), World Scientific Publisher.

Presentations in International Conferences

  1. T. Phung-Duc, “Queueing Analysis of Autoscaling Systems,” Panel Session (by Zhe George Zhang): Analysis on Stochastic Service Systems with Strategic Service Providers and Customers, 2020 IEEE 7th International Conference on Industrial Engineering and Applications (ICIEA 2020), Thailand, April 16-21, 2020.
  2. T. Phung-Duc, “Waiting time analysis of service systems with variable service capability,” VNU Vietnam-Japan University Scientific Conference 2020, Hanoi, Vietnam, 21 December, 2020.
  3. M. Yajima and T. Phung-Duc, Batch Arrival Single Server Queue with Linear Service Rate and General Setup Time, Third European Conference on Queueing Theory, Jerusalem, Israel, July 2--4, 2018.
  4. T. Phung-Duc and K. Kawanishi, Multiserver Retrial Queue with Setup Time, The 11th International Workshop on Retrial Queues and Related Topics (WRQ11), August 31 – September 2, Amsterdam, The Netherlands.
  5. J. Pender and T. Phung-Duc, M/M/c delay-off setup queues with nonstationary arrivals: A fluid model approach, The Second European Conference on Queueing Theory, Toulouse, France, July 18--20, July, 2016. 招待
  6. J. Walraevens and T. Phung-Duc, Asymptotics in Priority Retrial Queues, The Second European Conference on Queueing Theory, Toulouse, France, July 18--20, July, 2016.
  7. T. Phung-Duc, Exact solution for service system with fixed and flexible servers, The Second European Conference on Queueing Theory, Toulouse, France, July 18--20, July, 2016.
  8. E. Morozov and T. Phung-Duc, Stability analysis of a multiclass, multiorbit system with classical retrials, The Second European Conference on Queueing Theory, Toulouse, France, July 18--20, July, 2016.招待
  9. M. Yajima and T. Phung-Duc, Batch Arrival Single Server Queue with Variable Service Speed and Setup Time, The Second European Conference on Queueing Theory, Toulouse, France, July 18--20, July, 2016.
  10. T. Phung-Duc, Exact Analysis of Multiserver Queues with Setup Time, The 18th INFORMS Applied Probability Society Conference, Istanbul, Turkey, July 5-8, 2015. 招待
  11. T. Phung-Duc, Batch Arrival Multiserver Queues with State-Dependent Setup Time, The First European Conference on Queueing Theory (ECQT 2014), Ghent, Belgium, August 20-22, 2014.
  12. H. Sakurai, and T. Phung-Duc, Asymptotic Analysis of Single Server Retrial Queues with Outgoing Calls, The 10th International Workshop on Retrial Queues (WRQ'2014), Tokyo, Japan, July 24-26, 2014.
  13. T. Phung-Duc, Exact Solutions for M/M/c/Setup Queues, The International Workshop on Advances in Future Internet Research, Services and Technology (IWA-FIRST), Debrecen, Hungary, July 03-04, 2014. 招待
  14. T. Phung-Duc, Queueing Analysis of Power Saving Management in Data Centers, The 6th Vietnamese-Japanese Students' Scientific Exchange Meeting (VJSE-2013), Osaka, Japan, September 23, 2013. 招待
  15. S. Kapodistria, J. Resing, and T. Phung-Duc, Factorial Approach for the Study of the Infinite Server Queue with Synchronized Reneging, The 17th INFORMS Applied Probability Society Conference, Costa Rica, July 15-17, 2013.
  16. T. Phung-Duc, An Asymptotic Analysis for Multiserver Retrial Queues with Two Types of Non-persistent Customers, EURO - INFORMS Joint International Conference, The 26th European Conference on Operational Research, Roma, Italia, July 1-4, 2013. 招待
  17. T. Phung-Duc, Perturbation Analysis of Multiserver Retrial Queues, The Young European Queueing Theorists (YEQT-VI): Workshop on Analytic Methods in Queueing Systems, Eindhoven University of Technology, Eindhoven, The Netherlands, November 1-3, 2012. 招待
  18. T. Phung-Duc, and K. Kawanishi, Modelling of Retrial, Abandonment and After-Call Work in Call Centers, The 7th International Conference on Queueing Theory and Network Applications (QTNA2012), Kyoto, Japan, August 1-3, 2012.
  19. W. Rogiest, and T. Phung-Duc,　Quantifying the Call Blending Balance in Two Way Communication Retrial Queues: Analysis of Correlation, The 7th International Conference on Queueing Theory and Network Applications (QTNA2012), Kyoto, Japan, August 1-3, 2012.
  20. T. Phung-Duc, J. Resing, S. Kapodistria, and A. Economou, Queueing Models with Both Linear and Binomial Transition Rates (Part 2), The 9th International Workshop on Retrial Queues, Sevilla, Spain, June 28-30, 2012.
  21. T. Phung-Duc, J. Resing, S. Kapodistria, and A. Economou,​Queueing Models with Both Linear and Binomial Transition Rates (Part 1), The 9th International Workshop on Retrial Queues, Sevilla, Spain, June 28-30, 2012.
  22. T. Phung-Duc and K. Kawanishi, The Impact of Retrial Phenomenon on Performance of Blended Call Centers, The 9th International Workshop on Retrial Queues, Sevilla, Spain, June 28-30, 2012.
  23. J.R. Artalejo and T. Phung-Duc, On The M/G/1 Retrial Queue with Two-way Communication, The 9th International Workshop on Retrial Queues, Sevilla, Spain, June 28-30, 2012.
  24. T. Phung-Duc, Numerical Analysis of M/M/c/K+M Retrial Queue with Losses, The 9th International Workshop on Retrial Queues, Sevilla, Spain, June 28-30, 2012.
  25. T. Phung-Duc and Y. Takahashi, An Efficient Numerical Method for Multiserver Retrial Queues with Abandonments, The Conference for the International Federation of Operational Research Societies (IFORS 2011), Melbourne, Australia, July 10-15, 2011. 招待
  26. T. Phung-Duc, Matrix Continued Fraction Solutions for State-Dependent Multiserver Retrial Queues with Abandonments, The Joint Workshop of Hanoi University of Science and Technology and Kyoto University on Applied Mathematics & Informatics, Hanoi University of Science and Technology, Hanoi, Vietnam, March 20-21, 2011.
  27. T. Phung-Duc, An Explicit Solution for a Tandem Queue with Retrials and Losses, The 8th International Workshop on Retrial Queues, Beijing, China, July 27-29, 2010.
  28. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, Matrix Continued Fraction Approach to Level-dependent QBD Process and its Application to Mutiserver Retrial Queues, The Third Madrid Conference on Queueing Theory, Toledo, Spain, June 28-July 1, 2010.
  29. T. Phung-Duc, Simple Algorithms for Level-Dependent Quasi-Birth-and-Death Processes and their Application to Multiserver Retrial Queues, The Joint Workshop of Hanoi University of Science and Technology and Kyoto University on Applied Mathematics & Informatics, Kyoto University, Kyoto, Japan, March 20-21, 2010.
  30. T. Phung-Duc, Matrix Continued Fraction Approach to Retrial Queues, The Joint Workshop of Beijing, Hong Kong and Kyoto on Computational Mathematics, Computer and Systems Sciences (CMCSS), Kyoto University, Kyoto, Japan, March 14-15, 2009 (Poster Presentation).
  31. T. Phung-Duc, H. Masuyama, S. Kasahara, and Y. Takahashi, Analytical Solutions for Markov Processes Arising from Multiserver Retrial Queues with Balking, The Fourth Vietnamese and Japanese Students' Scientific Exchange Conference, Kyoto University, Kyoto, Japan, pp. 212-213, November 15-16, 2008.
  32. T. Phung-Duc, Multiserver Retrial Queues with Impatient Customers, The Chinese Academy of Sciences - Kyoto University Joint Workshop on Mathematical Methods for Informatics, Engineering and Management, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China, March 17-18, 2008.

Domestic Conferences

  1. 川村 航平, 河西 憲一, フンドック トゥアン, 5G ネットワークのモデル化と性能解析, 第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」報文集, pp. 134-135, Online, 2021年1月25日-27日.
  2. Hung Q. Nguyen, Tuan Phung-Duc,Mixture Density Networks (MDNs) as a general framework for estimation of waiting time distributions in queueing systems: Two case studies, 第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」報文集, pp. 130-131, Online, 2021年1月25日-27日.
  3. Ayane Nakamura, Tuan Phung-Duc, Hiroyasu Ando, Queueing Analysis and Price Mechanism of Car/Ride-Share System Considering Road Congestion, 第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」報文集, pp. 89-98, Online, 2021年1月25日-27日.
  4. 巻野 侑大, Phung-Duc Tuan, 町田 文雄, マルコフ連鎖を用いた多モデル多入力型機械学習システムの性能評価, 第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」報文集, pp. 79-88, Online, 2021年1月25日-27日.
  5. Hung Q. Nguyen，Tuan Phung-Duc, Customer joining behavior and performance analysis of the airport taxi-passenger queue with two types of customers, 第37回（2020年度）待ち行列シンポジウム「確率モデルとその応用」報文集, pp. 69-78, Online, 2021年1月25日-27日.
  6. 日出山 慎人, Phung-Duc Tuan, 岡田 幸彦, 待ち行列理論を用いた宅配サービスシステムのモデル化と性能解析, 第36回（2019年度）待ち行列シンポジウム「確率モデルとその応用」, 神奈川工科大学 アクティブラーニング横浜, 2020年01月22-24日.
  7. 町田 由登, Phung-Duc Tuan, 待ち行列システムとしてのガソリンスタンドの解析と性能評価, 第36回（2019年度）待ち行列シンポジウム「確率モデルとその応用」, 神奈川工科大学 アクティブラーニング横浜, 2020年01月22-24日.
  8. 阿久津 康平, Phung-Duc Tuan, Lai Yuan-Cheng, Lin Ying-Dar, 待ち行列モデルによるモバイルエッジコンピューティングの性能評価, 第36回（2019年度）待ち行列シンポジウム「確率モデルとその応用」, 神奈川工科大学 アクティブラーニング横浜, 2020年01月22-24日.
  9. 中村 彩音, Phung-Duc Tuan, 安東 弘泰, 待ち行列理論を用いたカーシェアリングとライドシェアリングの混合モデル, 第36回（2019年度）待ち行列シンポジウム「確率モデルとその応用」, 神奈川工科大学 アクティブラーニング横浜, 2020年01月22-24日.
  10. 中村彩音, Phung-Duc Tuan, 安東弘泰，カーシェアリングとライドシェアリングの混合モデルに関する検討，日本オペレーションズ・リサーチ学会2019年度秋季研究発表会, ブストラクト集, pp. 268-269, 東広島芸術文化ホールくらら, 2019年09月12-13日.
  11. 日出山 慎人，フン ドック トゥアン，サーバブロックの起動時間を持つデータセンターの待ち行列モデルによる性能解析，第34回（2017年度）待ち行列シンポジウム「確率モデルとその応用」‎, 予稿集, pp. 135-144, 大阪大学会館 アセンブリーホール（大阪府豊中市）, 2018年01月，17-19日.
  12. 矢島 萌子，フン ドック トゥアン，増山 博之，マルコフ型集団到着過程と裾の軽いサービス分布を持つ無限サーバ待ち行列の安定性の十分条件，第34回（2017年度）待ち行列シンポジウム「確率モデルとその応用」‎, 予稿集, pp. 145-152, 大阪大学会館 アセンブリーホール（大阪府豊中市）, 2018年01月，17-19日.　待ち行列研究部会・研究奨励賞
  13. 牛垣 龍一，フン ドック トゥアン，河西 憲一，Yuan-Cheng Lai，Ying-Dar Lin，フロー到着とクロストラフィックを考慮したSDN の待ち行列モデルとその解析，第34回（2017年度）待ち行列シンポジウム「確率モデルとその応用」‎, 予稿集, pp. 61-70, 大阪大学会館 アセンブリーホール（大阪府豊中市）, 2018年01月，17-19日.
  14. 矢島萌子，フンドックトゥアン，Binomial catastropheの発生を伴うマルコフ変調Mx/M/∞待ち行列に対する中心極限定理，日本オペレーションズ・リサーチ学会2017年度春季研究発表会, ブストラクト集, pp. 57-58, 沖縄県市町村自治会館, 2017年03月15-17日.
  15. 矢島萌子，フンドックトゥアン，Binomial catastropheの発生を伴うマルコフ変調Mx/M/∞待ち行列に対する中心極限定理，第33回（2016年度）待ち行列シンポジウム「確率モデルとその応用」‎, 予稿集, pp. 19-28, 東京都新宿区, 2017年01月，19-21日.

Theses

  1. 巻野 侑大，マルコフ連鎖を用いた多モデル多入力型機械学習システムの性能評価，筑波大学システム情報工学研究科社会工学学位プログラム修士論文，2021年3月
  2. 阿久 津康平, オフロードを考慮したモバイルエッジコンピューティングの待ち行列モデルによる性能解析, 筑波大学システム情報工学研究科社会工学学位プログラム修士論文，2020年3月
  3. 日出 山慎人, 宅配サービスシステムの待ち行列モデル化と解析, 筑波大学システム情報工学研究科社会工学学位プログラム修士論文，2020年3月
  4. 町田 由登, 待ち行列システムとしてのガソリンスタンドの解析と性能評価, 筑波大学社会工学類卒業研究論文，2020年3月
  5. 中村 彩音, 待ち行列理論を用いたカーライドシェアリングのモデル化と性能評価, 筑波大学社会工学類卒業研究論文，2020年3月
  6. LIN SIYANG, 待ち行列を用いた電気自動車用急速充電器の数の検討, 筑波大学社会工学類卒業研究論文，2020年3月
  7. 巻野 侑大，乗車時間を考慮したタクシー待ち行列モデルの解析，筑波大学社会工学類卒業研究論文，2019年3月
  8. 日出 山慎人, サーバブロックの起動時間を持つデータセンターの待ち行列モデルによる性能解析, 筑波大学社会工学類卒業研究論文，2018年3月
PAGE TOP