## Alfa, Attahiru Sule

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 Author ID: alfa.attahiru-sule Published as: Alfa, Attahiru Sule; Alfa, Attahiru S.; Alfa, A. S.; Sule Alfa, Attahiru more...less Homepage: https://home.cc.umanitoba.ca/~alfa/aboutme.html External Links: dblp
 Documents Indexed: 95 Publications since 1979, including 2 Books 1 Contribution as Editor Co-Authors: 44 Co-Authors with 73 Joint Publications 806 Co-Co-Authors
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### Co-Authors

 22 single-authored 10 Xue, Jungong 7 He, Qi-Ming 7 Li, Wei Wayne 5 Chakravarthy, Srinivas R. 5 Diamond, Jeffrey E. 4 Chen, Mingyuan 4 Ye, Qiang 4 Yu, Miaomiao 3 Yannopoulos, Elias 3 Zhao, Yiqiang Q. 2 Dolhun, K. Laurie 2 Frigui, Imed 2 Gupta, Yash Pal 2 Neuts, Marcel Fernand 2 Sengupta, Bhaskar 2 Takine, Tetsuya 2 Van Houdt, Benny 1 Balakrishnan, Subramaniam 1 Bejenari, Diana 1 Breuer, Lothar 1 Castro, Inma T. 1 Dormuth, Darryl Wayne 1 Drekic, Steve 1 El-Bouri, Ahmed 1 García-Vidal, Jorge 1 Ghazaleh, Haitham Abu 1 Gómez-Corall, A. 1 Grassmann, Winfried K. 1 Haas Margolius, Barbara 1 Heragu, Sunderesh S. 1 Jewkes, Elizabeth M. 1 Jindal, Vaneeta 1 Liu, Qiaohua 1 Liu, Renbin 1 Mishkoj, G. K. 1 Mitev, Lilia 1 Popplewell, Neil 1 Rahman, Md. Mostafizur 1 Rao, T. S. S. Srinivasa 1 Saha, Subrata 1 Sapna Isotupa, K. P. 1 Shi, Yufei 1 Wang, Jinting 1 Wang, Nan 1 Xia, Li 1 Xu, Xiaoyi 1 Yeung, Raymond W.
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### Serials

 8 Operations Research Letters 8 Queueing Systems 8 European Journal of Operational Research 6 Naval Research Logistics 6 Communications in Statistics. Stochastic Models 4 Journal of Applied Probability 4 Stochastic Models 3 Computers & Operations Research 3 Mathematical and Computer Modelling 2 Advances in Applied Probability 2 Computers & Mathematics with Applications 2 INFOR. Information Systems and Operational Research 2 Journal of the Operational Research Society 2 Performance Evaluation 2 Acta Mathematicae Applicatae Sinica. English Series 2 Transportation Science 2 Journal of Applied Mathematics and Stochastic Analysis 2 Annals of Operations Research 2 Top 2 INFORMS Journal on Computing 1 Acta Informatica 1 Mathematics of Computation 1 IEEE Transactions on Automatic Control 1 Numerische Mathematik 1 Operations Research 1 Opsearch 1 Journal of Information & Optimization Sciences 1 Asia-Pacific Journal of Operational Research 1 Mathematical Methods of Operations Research 1 Probability in the Engineering and Informational Sciences 1 1 Wireless Networks 1 RAIRO. Operations Research 1 ASTIN Bulletin 1 4OR 1 Naval Research Logistics Quarterly 1 Lecture Notes in Pure and Applied Mathematics 1 Journal of Probability and Statistics 1 Journal of Applied Mathematics & Informatics
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### Fields

 77 Operations research, mathematical programming (90-XX) 74 Probability theory and stochastic processes (60-XX) 11 Computer science (68-XX) 5 Numerical analysis (65-XX) 3 Statistics (62-XX) 2 Information and communication theory, circuits (94-XX) 1 General and overarching topics; collections (00-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Biology and other natural sciences (92-XX) 1 Systems theory; control (93-XX)

### Citations contained in zbMATH Open

71 Publications have been cited 562 times in 426 Documents Cited by Year
Experimental analysis of simulated annealing based algorithms for the layout problem. Zbl 0825.90454
Heragu, Sunderesh S.; Alfa, Attahiru Sule
1992
Accurate computation of the smallest eigenvalue of a diagonally dominant $$M$$-matrix. Zbl 0984.65033
Alfa, Attahiru Sule; Xue, Jungong; Ye, Qiang
2002
Entrywise perturbation theory for diagonally dominant M-matrices with applications. Zbl 1022.15020
Alfa, Attahiru Sule; Xue, Jungong; Ye, Qiang
2002
Vacation models in discrete time. Zbl 1023.90009
Alfa, Attahiru Sule
2003
Modelling vehicular traffic using the discete time Markovian arrival process. Zbl 0860.90055
Alfa, Attahiru Sule; Neuts, Marcel F.
1995
Discrete time queues and matrix-analytic methods. (With comments and rejoinder). Zbl 1030.60081
Alfa, A. S.
2002
Queueing theory for telecommunications. Discrete time modelling of a single node system. Zbl 1211.90001
Alfa, Attahiru Sule
2010
The $$\text{MAP/PH}/1$$ retrial queue. Zbl 0952.60089
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1998
An $$M/PH/k$$ retrial queue with finite number of sources. Zbl 1107.90008
Alfa, Attahiru Sule; Isotupa, K. P. Sapna
2004
Approximation method for $$M/PH/1$$ retrial queues with phase type inter-retrial times. Zbl 0947.90025
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1999
Markov chain representations of discrete distributions applied to queueing models. Zbl 1067.90158
Alfa, Attahiru Sule
2004
Applied discrete-time queues. 2nd edition. Zbl 1337.90001
Alfa, Attahiru S.
2016
Matrix analytic methods for a multi-server retrial queue with buffer. Zbl 0952.60090
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1999
Matrix-geometric solution of discrete time MAP/PH/1 priority queue. Zbl 0902.90061
Alfa, Attahiru Sule
1998
Perturbation theory for the asymptotic decay rates in the queues with Markovian arrival process and/or Markovian service process. Zbl 0969.60096
Alfa, Attahiru Sule; Xue, Jungong; Ye, Qiang
2000
A network design algorithm using a stochastic incremental traffic assignment approach. Zbl 0729.90985
Chen, Mingyuan; Alfa, Attahiru Sule
1991
Duality results for block-structured transition matrices. Zbl 0978.60082
Zhao, Yiqiang Q.; Li, Wei; Alfa, Attahiru Sule
1999
The $$MMAP[K]/PH[K]/1$$ queues with a last-come-first-served preemptive service discipline. Zbl 0916.90105
He, Qi-Ming; Alfa, Attahiru Sule
1998
A discrete MAP/PH/1 queue with vacations and exhaustive time-limited service. Zbl 0858.60090
Alfa, Attahiru Sule
1995
Discrete-time analysis of the $$GI/G/1$$ system with Bernoulli retrials: an algorithmic approach. Zbl 1122.90328
Alfa, Attahiru Sule
2006
On approximating higher order MAPs with MAPs of order two. Zbl 0942.90014
Diamond, Jeffrey E.; Alfa, Attahiru Sule
2000
The quasi-birth-death type Markov chain with a tree structure. Zbl 0942.60085
Yeung, Raymond W.; Alfa, Attahiru Sule
1999
Discrete-time analysis of $$MAP$$/$$PH$$/1 multiclass general preemptive priority queue. Zbl 1044.90012
Alfa, Attahiru Sule; Liu, Bin; He, Qi-Ming
2003
Matrix analytical methods for $$M/PH/1$$ retrial queues. Zbl 0829.60091
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1995
A new algorithm for computing the rate matrix of GI/M/1 type Markov chains. Zbl 1037.60079
Alfa, Attahiru Sule; Sengupta, Bhaskar; Takine, Tetsuya; Xue, Jungong
2002
Discrete $$NT$$-policy single server queue with Markovian arrival process and phase type service. Zbl 0913.90099
Alfa, Attahiru Sule; Frigui, Imed
1996
Algorithms for computing waiting time distributions under different queue disciplines for the D-BMAP/PH/1. Zbl 0893.90066
Frigui, Imed; Alfa, Attahiru Sule; Xu, Xiaoyi
1997
Algorithm for computing the queue length distribution at various time epochs in $$\mathrm{DMAP}/G^{(1, a, b)}/1/n$$ queue with batch-size-dependent service time. Zbl 1347.90026
Yu, Miaomiao; Alfa, Attahiru Sule
2015
Combined elapsed time and matrix-analytic method for the discrete time $$GI/G/1$$ and $$GI^X/G/1$$ systems. Zbl 1046.90016
Alfa, Attahiru Sule
2003
Supplementary variable technique in stochastic models. Zbl 0979.60088
Alfa, Attahiru Sule; Srinivasa Rao, T. S. S.
2000
Time-inhomogeneous bulk server queue in discrete time: A transportation type problem. Zbl 0486.90045
Sule Alfa, Attahiru
1982
Matrix-geometric analysis of the discrete time GI/G/1 system. Zbl 0990.60091
Alfa, Attahiru Sule; Li, Wei
2001
Discrete time analysis of MAP/PH/1 vacation queue with gated time-limited service. Zbl 0918.60077
Alfa, Attahiru Sule
1998
A queueing model of delayed product differentiation. Zbl 1176.90125
Jewkes, Elizabeth M.; Alfa, Attahiru S.
2009
Algorithmic analysis of the Sparre Andersen model in discrete time. Zbl 1154.62076
Alfa, Attahiru Sule; Drekic, Steve
2007
Strategic queueing behavior for individual and social optimization in managing discrete time working vacation queue with Bernoulli interruption schedule. Zbl 1349.90241
Yu, Miaomiao; Alfa, Attahiru Sule
2016
Response time in a tandem queue with blocking, Markovian arrivals and phase-type services. Zbl 1090.90041
Van Houdt, B.; Alfa, Attahiru Sule
2005
Optimal control of state-dependent service rates in a $$MAP/M/1$$ queue. Zbl 1390.90266
Xia, Li; He, Qi-Ming; Alfa, Attahiru Sule
2017
A multiserver queue with Markovian arrivals and group services with thresholds. Zbl 0785.60043
Chakravarthy, S.; Alfa, Attahiru Sule
1993
A search-based heuristic for the two-dimensional bin-packing problem. Zbl 0824.90116
El-Bouri, Ahmed; Popplewell, Neil; Balakrishnan, S.; Alfa, Attahiru S.
1994
Optimal policies for $$M/M/m$$ queue with two different kinds of $$(N,T)$$-policies. Zbl 0953.90011
Li, Wei; Alfa, Attahiru Sule
2000
Tail probability of low-priority queue length in a discrete-time priority BMAP/PH/1 queue. Zbl 1069.60085
Xue, Jungong; Alfa, Attahiru Sule
2005
Algorithmic analysis of the BMAP/D/$$k$$ system in discrete time. Zbl 1044.60087
Alfa, Attahiru Sule
2003
Discrete-time analysis of a repairable machine. Zbl 1031.60077
Alfa, Attahiru Sule; Castro, I. T.
2002
Optimal $$(N,T)$$-policy for M/G system with cost structures. Zbl 1051.68040
Alfa, Attahiru Sule; Li, Wei
2000
A finite capacity queue with Markovian arrivals and two servers with group services. Zbl 0803.60089
Chakravarthy, S.; Alfa, Attahiru Sule
1994
Overload analysis of the $$PH/PH/1/K$$ queue and the queue of the $$M/G/1/K$$ type with very large $$K$$. Zbl 1042.90529
Alfa, Attahiru Sule; Zhao, Yiqiang Q.
2000
Geometric tail of queue length of low-priority customers in a nonpreemptive priority MAP/PH/1 queue. Zbl 1238.60106
Xue, Jungong; Alfa, Attahiru S.
2011
A discrete single server queue with Markovian arrivals and phase type group services. Zbl 0822.60086
Alfa, Attahiru Sule; Dolhun, K. Laurie; Chakravarthy, S.
1995
Phase-type models for cellular networks supporting voice, video and data traffic. Zbl 1145.68565
Dharmaraja, S.; Jindal, Vaneeta; Alfa, Attahiru Sule
2008
Waiting time distribution of the $$MAP/D/k$$ system in discrete time – a more efficient algorithm. Zbl 1088.90007
Alfa, Attahiru Sule
2003
Approximating queue lengths in M(t)/D/1 queues. Zbl 0688.60072
Alfa, Attahiru Sule
1990
Discrete-time $$\mathrm{GI}/\mathrm{G}/1$$ retrial queues with time-controlled vacation policies. Zbl 1288.60123
Wang, Jin-Ting; Wang, Nan; Alfa, Attahiru S.
2013
Modelling traffic queues at a signalized intersection with vehicle- actuated control and Markovian arrival processes. Zbl 0832.60092
Alfa, A. S.
1995
Efficient computations for the discrete $$GI/G/1$$ system. Zbl 1241.90027
Alfa, Attahiru Sule; Xue, Jungong
2007
Computational procedures for a class of GI/D/$$k$$ systems in discrete time. Zbl 1200.90054
Rahman, Md. Mostafizur; Alfa, Attahiru Sule
2009
The $$M/G/1$$ queue with server vacation in a quality control environment. Zbl 0742.60094
Alfa, Attahiru Sule; Gupta, Yash P.
1991
Approximating queue lengths in $$M(t)/G/1$$ queue using the maximum entropy principle. Zbl 0741.60094
Alfa, Attahiru Sule; Chen, Mingyuan
1991
A simple and quick approximation algorithm for tandem, split and merge queueing networks with blocking. Zbl 0824.90066
Yannopoulos, Elias; Alfa, Attahiru Sule
1994
Pair formation in a Markovian arrival process with two event labels. Zbl 1062.60092
Neuts, Marcel F.; Alfa, Attahiru Sule
2004
Analysis of a GI/G$$^Y$$/1 system in discrete-time. Zbl 1065.60130
Alfa, Attahiru Sule
2005
A simple method to obtain the stochastic decomposition structure of the busy period in $$\mathrm{Geo}/\mathrm{Geo}/1/N$$ vacation queue. Zbl 1330.60115
Yu, Miaomiao; Alfa, Attahiru Sule
2015
Two classes of time-inhomogeneous Markov chains: Analysis of the periodic case. Zbl 1144.60054
Alfa, Attahiru Sule; Margolius, Barbara Haas
2008
A homogeneous PCS network with Markov call arrival process and phase type cell residence time. Zbl 1012.68957
Alfa, Attahiru Sule; Li, Wei
2002
The use of nonlinear programming in matrix analytic methods. Zbl 0895.90092
Alfa, Attahiru Sule; Sengupta, Bhaskar; Takine, Tetsuya
1998
Optimal power consumption control of sensor node based on $$(N,D)$$-policy discrete-time queues. Zbl 1423.60142
Liu, Renbin; Alfa, Attahiru Sule; Yu, Miaomiao
2019
Computational analysis of $$MMAP[K]/PH[K]/1$$ queues with a mixed FCFS and LCFS service discipline. Zbl 0991.90039
He, Qi-Ming; Alfa, Attahiru Sule
2000
A discrete queue with the Markovian arrival process and phase type primary and secondary services. Zbl 0793.60102
Alfa, Attahiru Sule; Chakravarthy, S.
1994
An approximation method for queues in series with blocking. Zbl 0941.68516
Yannopoulos, Elias; Alfa, Attahiru Sule
1994
A fluid model with data message discarding. Zbl 1018.90007
Liu, Bin; Alfa, Attahiru Sule
2002
Some decomposition results for a class of vacation queues. Zbl 1408.90054
Alfa, Attahiru Sule
2014
Optimal power consumption control of sensor node based on $$(N,D)$$-policy discrete-time queues. Zbl 1423.60142
Liu, Renbin; Alfa, Attahiru Sule; Yu, Miaomiao
2019
Optimal control of state-dependent service rates in a $$MAP/M/1$$ queue. Zbl 1390.90266
Xia, Li; He, Qi-Ming; Alfa, Attahiru Sule
2017
Applied discrete-time queues. 2nd edition. Zbl 1337.90001
Alfa, Attahiru S.
2016
Strategic queueing behavior for individual and social optimization in managing discrete time working vacation queue with Bernoulli interruption schedule. Zbl 1349.90241
Yu, Miaomiao; Alfa, Attahiru Sule
2016
Algorithm for computing the queue length distribution at various time epochs in $$\mathrm{DMAP}/G^{(1, a, b)}/1/n$$ queue with batch-size-dependent service time. Zbl 1347.90026
Yu, Miaomiao; Alfa, Attahiru Sule
2015
A simple method to obtain the stochastic decomposition structure of the busy period in $$\mathrm{Geo}/\mathrm{Geo}/1/N$$ vacation queue. Zbl 1330.60115
Yu, Miaomiao; Alfa, Attahiru Sule
2015
Some decomposition results for a class of vacation queues. Zbl 1408.90054
Alfa, Attahiru Sule
2014
Discrete-time $$\mathrm{GI}/\mathrm{G}/1$$ retrial queues with time-controlled vacation policies. Zbl 1288.60123
Wang, Jin-Ting; Wang, Nan; Alfa, Attahiru S.
2013
Geometric tail of queue length of low-priority customers in a nonpreemptive priority MAP/PH/1 queue. Zbl 1238.60106
Xue, Jungong; Alfa, Attahiru S.
2011
Queueing theory for telecommunications. Discrete time modelling of a single node system. Zbl 1211.90001
Alfa, Attahiru Sule
2010
A queueing model of delayed product differentiation. Zbl 1176.90125
Jewkes, Elizabeth M.; Alfa, Attahiru S.
2009
Computational procedures for a class of GI/D/$$k$$ systems in discrete time. Zbl 1200.90054
Rahman, Md. Mostafizur; Alfa, Attahiru Sule
2009
Phase-type models for cellular networks supporting voice, video and data traffic. Zbl 1145.68565
Dharmaraja, S.; Jindal, Vaneeta; Alfa, Attahiru Sule
2008
Two classes of time-inhomogeneous Markov chains: Analysis of the periodic case. Zbl 1144.60054
Alfa, Attahiru Sule; Margolius, Barbara Haas
2008
Algorithmic analysis of the Sparre Andersen model in discrete time. Zbl 1154.62076
Alfa, Attahiru Sule; Drekic, Steve
2007
Efficient computations for the discrete $$GI/G/1$$ system. Zbl 1241.90027
Alfa, Attahiru Sule; Xue, Jungong
2007
Discrete-time analysis of the $$GI/G/1$$ system with Bernoulli retrials: an algorithmic approach. Zbl 1122.90328
Alfa, Attahiru Sule
2006
Response time in a tandem queue with blocking, Markovian arrivals and phase-type services. Zbl 1090.90041
Van Houdt, B.; Alfa, Attahiru Sule
2005
Tail probability of low-priority queue length in a discrete-time priority BMAP/PH/1 queue. Zbl 1069.60085
Xue, Jungong; Alfa, Attahiru Sule
2005
Analysis of a GI/G$$^Y$$/1 system in discrete-time. Zbl 1065.60130
Alfa, Attahiru Sule
2005
An $$M/PH/k$$ retrial queue with finite number of sources. Zbl 1107.90008
Alfa, Attahiru Sule; Isotupa, K. P. Sapna
2004
Markov chain representations of discrete distributions applied to queueing models. Zbl 1067.90158
Alfa, Attahiru Sule
2004
Pair formation in a Markovian arrival process with two event labels. Zbl 1062.60092
Neuts, Marcel F.; Alfa, Attahiru Sule
2004
Vacation models in discrete time. Zbl 1023.90009
Alfa, Attahiru Sule
2003
Discrete-time analysis of $$MAP$$/$$PH$$/1 multiclass general preemptive priority queue. Zbl 1044.90012
Alfa, Attahiru Sule; Liu, Bin; He, Qi-Ming
2003
Combined elapsed time and matrix-analytic method for the discrete time $$GI/G/1$$ and $$GI^X/G/1$$ systems. Zbl 1046.90016
Alfa, Attahiru Sule
2003
Algorithmic analysis of the BMAP/D/$$k$$ system in discrete time. Zbl 1044.60087
Alfa, Attahiru Sule
2003
Waiting time distribution of the $$MAP/D/k$$ system in discrete time – a more efficient algorithm. Zbl 1088.90007
Alfa, Attahiru Sule
2003
Accurate computation of the smallest eigenvalue of a diagonally dominant $$M$$-matrix. Zbl 0984.65033
Alfa, Attahiru Sule; Xue, Jungong; Ye, Qiang
2002
Entrywise perturbation theory for diagonally dominant M-matrices with applications. Zbl 1022.15020
Alfa, Attahiru Sule; Xue, Jungong; Ye, Qiang
2002
Discrete time queues and matrix-analytic methods. (With comments and rejoinder). Zbl 1030.60081
Alfa, A. S.
2002
A new algorithm for computing the rate matrix of GI/M/1 type Markov chains. Zbl 1037.60079
Alfa, Attahiru Sule; Sengupta, Bhaskar; Takine, Tetsuya; Xue, Jungong
2002
Discrete-time analysis of a repairable machine. Zbl 1031.60077
Alfa, Attahiru Sule; Castro, I. T.
2002
A homogeneous PCS network with Markov call arrival process and phase type cell residence time. Zbl 1012.68957
Alfa, Attahiru Sule; Li, Wei
2002
A fluid model with data message discarding. Zbl 1018.90007
Liu, Bin; Alfa, Attahiru Sule
2002
Matrix-geometric analysis of the discrete time GI/G/1 system. Zbl 0990.60091
Alfa, Attahiru Sule; Li, Wei
2001
Perturbation theory for the asymptotic decay rates in the queues with Markovian arrival process and/or Markovian service process. Zbl 0969.60096
Alfa, Attahiru Sule; Xue, Jungong; Ye, Qiang
2000
On approximating higher order MAPs with MAPs of order two. Zbl 0942.90014
Diamond, Jeffrey E.; Alfa, Attahiru Sule
2000
Supplementary variable technique in stochastic models. Zbl 0979.60088
Alfa, Attahiru Sule; Srinivasa Rao, T. S. S.
2000
Optimal policies for $$M/M/m$$ queue with two different kinds of $$(N,T)$$-policies. Zbl 0953.90011
Li, Wei; Alfa, Attahiru Sule
2000
Optimal $$(N,T)$$-policy for M/G system with cost structures. Zbl 1051.68040
Alfa, Attahiru Sule; Li, Wei
2000
Overload analysis of the $$PH/PH/1/K$$ queue and the queue of the $$M/G/1/K$$ type with very large $$K$$. Zbl 1042.90529
Alfa, Attahiru Sule; Zhao, Yiqiang Q.
2000
Computational analysis of $$MMAP[K]/PH[K]/1$$ queues with a mixed FCFS and LCFS service discipline. Zbl 0991.90039
He, Qi-Ming; Alfa, Attahiru Sule
2000
Approximation method for $$M/PH/1$$ retrial queues with phase type inter-retrial times. Zbl 0947.90025
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1999
Matrix analytic methods for a multi-server retrial queue with buffer. Zbl 0952.60090
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1999
Duality results for block-structured transition matrices. Zbl 0978.60082
Zhao, Yiqiang Q.; Li, Wei; Alfa, Attahiru Sule
1999
The quasi-birth-death type Markov chain with a tree structure. Zbl 0942.60085
Yeung, Raymond W.; Alfa, Attahiru Sule
1999
The $$\text{MAP/PH}/1$$ retrial queue. Zbl 0952.60089
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1998
Matrix-geometric solution of discrete time MAP/PH/1 priority queue. Zbl 0902.90061
Alfa, Attahiru Sule
1998
The $$MMAP[K]/PH[K]/1$$ queues with a last-come-first-served preemptive service discipline. Zbl 0916.90105
He, Qi-Ming; Alfa, Attahiru Sule
1998
Discrete time analysis of MAP/PH/1 vacation queue with gated time-limited service. Zbl 0918.60077
Alfa, Attahiru Sule
1998
The use of nonlinear programming in matrix analytic methods. Zbl 0895.90092
Alfa, Attahiru Sule; Sengupta, Bhaskar; Takine, Tetsuya
1998
Algorithms for computing waiting time distributions under different queue disciplines for the D-BMAP/PH/1. Zbl 0893.90066
Frigui, Imed; Alfa, Attahiru Sule; Xu, Xiaoyi
1997
Discrete $$NT$$-policy single server queue with Markovian arrival process and phase type service. Zbl 0913.90099
Alfa, Attahiru Sule; Frigui, Imed
1996
Modelling vehicular traffic using the discete time Markovian arrival process. Zbl 0860.90055
Alfa, Attahiru Sule; Neuts, Marcel F.
1995
A discrete MAP/PH/1 queue with vacations and exhaustive time-limited service. Zbl 0858.60090
Alfa, Attahiru Sule
1995
Matrix analytical methods for $$M/PH/1$$ retrial queues. Zbl 0829.60091
Diamond, Jeffrey E.; Alfa, Attahiru Sule
1995
A discrete single server queue with Markovian arrivals and phase type group services. Zbl 0822.60086
Alfa, Attahiru Sule; Dolhun, K. Laurie; Chakravarthy, S.
1995
Modelling traffic queues at a signalized intersection with vehicle- actuated control and Markovian arrival processes. Zbl 0832.60092
Alfa, A. S.
1995
A search-based heuristic for the two-dimensional bin-packing problem. Zbl 0824.90116
El-Bouri, Ahmed; Popplewell, Neil; Balakrishnan, S.; Alfa, Attahiru S.
1994
A finite capacity queue with Markovian arrivals and two servers with group services. Zbl 0803.60089
Chakravarthy, S.; Alfa, Attahiru Sule
1994
A simple and quick approximation algorithm for tandem, split and merge queueing networks with blocking. Zbl 0824.90066
Yannopoulos, Elias; Alfa, Attahiru Sule
1994
A discrete queue with the Markovian arrival process and phase type primary and secondary services. Zbl 0793.60102
Alfa, Attahiru Sule; Chakravarthy, S.
1994
An approximation method for queues in series with blocking. Zbl 0941.68516
Yannopoulos, Elias; Alfa, Attahiru Sule
1994
A multiserver queue with Markovian arrivals and group services with thresholds. Zbl 0785.60043
Chakravarthy, S.; Alfa, Attahiru Sule
1993
Experimental analysis of simulated annealing based algorithms for the layout problem. Zbl 0825.90454
Heragu, Sunderesh S.; Alfa, Attahiru Sule
1992
A network design algorithm using a stochastic incremental traffic assignment approach. Zbl 0729.90985
Chen, Mingyuan; Alfa, Attahiru Sule
1991
The $$M/G/1$$ queue with server vacation in a quality control environment. Zbl 0742.60094
Alfa, Attahiru Sule; Gupta, Yash P.
1991
Approximating queue lengths in $$M(t)/G/1$$ queue using the maximum entropy principle. Zbl 0741.60094
Alfa, Attahiru Sule; Chen, Mingyuan
1991
Approximating queue lengths in M(t)/D/1 queues. Zbl 0688.60072
Alfa, Attahiru Sule
1990
Time-inhomogeneous bulk server queue in discrete time: A transportation type problem. Zbl 0486.90045
Sule Alfa, Attahiru
1982
all top 5

### Cited by 581 Authors

 27 Alfa, Attahiru Sule 14 Van Houdt, Benny 13 Chaudhry, Mohan L. 10 Chakravarthy, Srinivas R. 10 Gupta, Umesh Chandra 10 Huang, Rong 9 Banik, Abhijit Datta 9 He, Qi-Ming 9 Xue, Jungong 9 Yue, Wuyi 8 Dudin, Alexander N. 8 Li, Quanlin 8 Liu, Zaiming 7 Artalejo, Jesus R. 7 Li, Rencang 7 Samanta, Sujit Kumar 7 Zhao, Yiqiang Q. 6 Zhao, Yuan 5 Amaral, André R. S. 5 Blondia, Chris 5 Fëdorova, Ekaterina Aleksandrovna 5 Ghosh, Souvik 5 Hou, Zhenting 5 Ke, Jauchuan 5 Masuyama, Hiroyuki 5 Peña, Juan Manuel 5 Shin, Yang Woo 5 Tian, Naishuo 5 Ye, Qiang 4 Drekic, Steve 4 Goswami, Veena 4 Jin, Shunfu 4 Kim, Bara 4 Kimura, Tatsuaki 4 Klimenok, Valentina Ivanovna 4 Ma, Zhanyou 4 Meini, Beatrice 4 Saffer, Zsolt 4 Sivakumar, Balasubramanian 4 Szeto, Wai Yuen 4 Tang, Yinghui 4 Yu, Miaomiao 3 Bini, Dario Andrea 3 Boute, Robert N. 3 Bruneel, Herwig 3 Choudhury, Gautam 3 Datta, Dilip 3 De Vuyst, Stijn 3 Gao, Shan 3 Ghosh, Diptesh 3 Hu, Lu 3 Jiang, Yangsheng 3 Kim, Hyunmin 3 Koev, Plamen 3 Kothari, Ravi 3 Lambrecht, Marc R. 3 Li, Jihong 3 Martello, Silvano 3 McKendall, Alan R. jun. 3 Pérez-Ocón, Rafael 3 Shi, Dinghua 3 Tadj, Lotfi 3 Takahashi, Yutaka 3 Telek, Miklós 3 Vanderperre, Edmond J. 3 Vigo, Daniele 3 Walraevens, Joris 3 Wang, Jinting 3 Wittevrongel, Sabine 3 Zhang, Hongbo 3 Zhu, Juanxiu 2 Anilkumar, M. P. 2 Anjos, Miguel F. 2 Arapostathis, Aristotle 2 Arivarignan, G. 2 Atencia, Ivan 2 Banerjee, Anuradha 2 Baumann, Hendrik 2 Chae, Kyung Chul 2 Chang, Fu-Min 2 Chen, Yanru 2 Chu, Delin 2 Diamond, Jeffrey E. 2 Disney, Stephen M. 2 Dopico, Froilán M. 2 Fernández-Villodre, Gemma 2 Fiems, Dieter 2 Ghalehkhondabi, Iman 2 Gómez-Corral, Antonio 2 Grassmann, Winfried K. 2 Heragu, Sunderesh S. 2 Horváth, Gábor 2 Jose, K. P. 2 Kalita, Zahnupriya 2 Kawanishi, Ken’ichi 2 Kim, Chesoong 2 Kim, Jeongsim 2 Kim, Nam-Ki 2 Krishna Kumar, Balasubramanian 2 Krishnamoorthy, Achyutha ...and 481 more Authors
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### Cited in 90 Serials

 49 European Journal of Operational Research 24 Computers & Operations Research 19 Stochastic Models 18 Operations Research Letters 18 Applied Mathematical Modelling 17 Queueing Systems 17 Journal of Industrial and Management Optimization 16 Annals of Operations Research 11 Opsearch 11 Mathematical and Computer Modelling 10 Applied Mathematics and Computation 9 Journal of Computational and Applied Mathematics 9 Methodology and Computing in Applied Probability 8 Numerische Mathematik 8 International Journal of Production Research 8 Linear Algebra and its Applications 8 Top 7 Acta Mathematicae Applicatae Sinica. English Series 7 Asia-Pacific Journal of Operational Research 6 Advances in Applied Probability 6 Journal of Scientific Computing 5 Computers & Mathematics with Applications 4 Mathematics of Computation 4 Stochastic Analysis and Applications 4 Discrete Event Dynamic Systems 4 Mathematical Problems in Engineering 4 Discrete Dynamics in Nature and Society 3 Discrete Applied Mathematics 3 Journal of Applied Probability 3 Communications in Statistics. Theory and Methods 3 Probability in the Engineering and Informational Sciences 3 Journal of Systems Science and Complexity 3 Journal of Applied Mathematics and Computing 3 Optimization Letters 3 Journal of Applied Mathematics & Informatics 3 Journal of the Operations Research Society of China 2 Acta Informatica 2 Physica A 2 BIT 2 Calcolo 2 Journal of Statistical Planning and Inference 2 Naval Research Logistics 2 OR Spektrum 2 SIAM Journal on Matrix Analysis and Applications 2 International Journal of Computer Mathematics 2 International Transactions in Operational Research 2 International Journal of Applied Mathematics and Computer Science 2 CEJOR. Central European Journal of Operations Research 2 Scandinavian Actuarial Journal 2 4OR 2 Networks and Spatial Economics 2 Journal of Probability and Statistics 2 International Journal of Applied and Computational Mathematics 1 International Journal of Systems Science 1 Information Processing Letters 1 Mathematical Notes 1 Transport Theory and Statistical Physics 1 Applied Mathematics and Optimization 1 Operations Research 1 Cybernetics and Systems 1 Applied Numerical Mathematics 1 Algorithmica 1 Numerical Algorithms 1 Automation and Remote Control 1 Mathematical Programming. Series A. Series B 1 Computational Optimization and Applications 1 SIAM Journal on Scientific Computing 1 Numerical Linear Algebra with Applications 1 Journal of the Egyptian Mathematical Society 1 Advances in Computational Mathematics 1 INFORMS Journal on Computing 1 ELA. The Electronic Journal of Linear Algebra 1 Mathematical and Computer Modelling of Dynamical Systems 1 Journal of Interdisciplinary Mathematics 1 Journal of Mathematical Study 1 Optimization and Engineering 1 RAIRO. Operations Research 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Sādhanā 1 ASTIN Bulletin 1 Journal of Intelligent and Fuzzy Systems 1 Discrete Optimization 1 International Journal of Operations Research (Taichung) 1 Operational Research. An International Journal 1 Acta Universitatis Sapientiae. Mathematica 1 Advances in Operations Research 1 Symmetry 1 S$$\vec{\text{e}}$$MA Journal 1 International Journal of Systems Science. Principles and Applications of Systems and Integration 1 Korean Journal of Mathematics
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### Cited in 21 Fields

 316 Operations research, mathematical programming (90-XX) 226 Probability theory and stochastic processes (60-XX) 60 Computer science (68-XX) 56 Numerical analysis (65-XX) 32 Linear and multilinear algebra; matrix theory (15-XX) 14 Statistics (62-XX) 12 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 10 Systems theory; control (93-XX) 4 Information and communication theory, circuits (94-XX) 3 Statistical mechanics, structure of matter (82-XX) 2 Functions of a complex variable (30-XX) 2 Partial differential equations (35-XX) 2 Dynamical systems and ergodic theory (37-XX) 1 History and biography (01-XX) 1 Real functions (26-XX) 1 Ordinary differential equations (34-XX) 1 Approximations and expansions (41-XX) 1 Operator theory (47-XX) 1 Fluid mechanics (76-XX) 1 Optics, electromagnetic theory (78-XX) 1 Biology and other natural sciences (92-XX)