Alfa, Attahiru Sule Discrete time Markov chain model for age of information. (English) Zbl 1478.60205 Oper. Res. Lett. 48, No. 5, 552-557 (2020). MSC: 60J20 60K25 60J05 PDFBibTeX XMLCite \textit{A. S. Alfa}, Oper. Res. Lett. 48, No. 5, 552--557 (2020; Zbl 1478.60205) Full Text: DOI
Alfa, Attahiru Sule; He, Qi-Ming Point of queue size change analysis of the \(PH/PH/k\) system with heterogeneous servers. (English) Zbl 1409.90056 Oper. Res. Lett. 45, No. 6, 581-584 (2017). MSC: 90B22 60J20 60J28 60K25 PDFBibTeX XMLCite \textit{A. S. Alfa} and \textit{Q.-M. He}, Oper. Res. Lett. 45, No. 6, 581--584 (2017; Zbl 1409.90056) Full Text: DOI
Alfa, Attahiru Sule Analysis of a GI/G\(^Y\)/1 system in discrete-time. (English) Zbl 1065.60130 Stoch. Models 21, No. 1, 185-213 (2005). MSC: 60K25 60J10 60J22 90B22 PDFBibTeX XMLCite \textit{A. S. Alfa}, Stoch. Models 21, No. 1, 185--213 (2005; Zbl 1065.60130) Full Text: DOI
Alfa, A. S. [García-Vidal, J.; Gómez-Corall, A.; Van Houdt, B.; Ye, Q.; Grassmann, W. K.; He, Q.-M.; Li, W.] Discrete time queues and matrix-analytic methods. (With comments and rejoinder). (English) Zbl 1030.60081 Top 10, No. 2, 147-210 (2002). Reviewer: Anatolij Dvurečenskij (Bratislava) MSC: 60K25 90B22 PDFBibTeX XMLCite \textit{A. S. Alfa}, Top 10, No. 2, 147--210 (2002; Zbl 1030.60081) Full Text: DOI
Alfa, Attahiru Sule; Li, Wei Matrix-geometric analysis of the discrete time GI/G/1 system. (English) Zbl 0990.60091 Stoch. Models 17, No. 4, 541-554 (2001). MSC: 60K25 90B22 PDFBibTeX XMLCite \textit{A. S. Alfa} and \textit{W. Li}, Stoch. Models 17, No. 4, 541--554 (2001; Zbl 0990.60091) Full Text: DOI
Alfa, Attahiru Sule; Shi, Yu-Fei A discrete time-limited vacation model for the fair share scheduler. (English) Zbl 1076.90517 Telecommun. Syst. 13, No. 2-4, 167-197 (2000). MSC: 90B22 60K25 68M20 PDFBibTeX XML Full Text: DOI
Alfa, Attahiru Sule; Frigui, Imed Discrete \(NT\)-policy single server queue with Markovian arrival process and phase type service. (English) Zbl 0913.90099 Eur. J. Oper. Res. 88, No. 3, 599-613 (1996). MSC: 90B22 60K25 PDFBibTeX XMLCite \textit{A. S. Alfa} and \textit{I. Frigui}, Eur. J. Oper. Res. 88, No. 3, 599--613 (1996; Zbl 0913.90099) Full Text: DOI
Chakravarthy, S.; Alfa, Attahiru Sule A finite capacity queue with Markovian arrivals and two servers with group services. (English) Zbl 0803.60089 J. Appl. Math. Stochastic Anal. 7, No. 2, 161-178 (1994). Reviewer: P.R.Parthasarathy (Madras) MSC: 60K25 60K20 90B22 60J27 PDFBibTeX XMLCite \textit{S. Chakravarthy} and \textit{A. S. Alfa}, J. Appl. Math. Stochastic Anal. 7, No. 2, 161--178 (1994; Zbl 0803.60089) Full Text: DOI EuDML
Chakravarthy, S.; Alfa, Attahiru Sule A multiserver queue with Markovian arrivals and group services with thresholds. (English) Zbl 0785.60043 Nav. Res. Logist. 40, No. 6, 811-827 (1993). MSC: 60K25 90B22 PDFBibTeX XMLCite \textit{S. Chakravarthy} and \textit{A. S. Alfa}, Nav. Res. Logist. 40, No. 6, 811--827 (1993; Zbl 0785.60043) Full Text: DOI
Alfa, Attahiru Sule; Gupta, Yash P. Quality control in manufacturing systems using M/G/1 queues with \((N + 1)\) different inspection rates. (English) Zbl 0758.90038 J. Inf. Optim. Sci. 13, No. 2, 279-291 (1992). MSC: 90B30 62P30 60K25 90B25 90B22 PDFBibTeX XMLCite \textit{A. S. Alfa} and \textit{Y. P. Gupta}, J. Inf. Optim. Sci. 13, No. 2, 279--291 (1992; Zbl 0758.90038) Full Text: DOI
Sule Alfa, Attahiru Time-inhomogeneous bulk server queue in discrete time: A transportation type problem. (English) Zbl 0486.90045 Oper. Res. 30, 650-658 (1982). MSC: 90B22 60K25 PDFBibTeX XMLCite \textit{A. Sule Alfa}, Oper. Res. 30, 650--658 (1982; Zbl 0486.90045) Full Text: DOI