An invariant subspace approach in M/G/l and G/M/l type Markov chains N Akar, K Sohraby Stochastic Models 13 (3), 381-416, 1997 | 115 | 1997 |

Matrix-geometric solutions of M/G/1-type Markov chains: A unifying generalized state-space approach N Akar, NC Oguz, K Sohraby IEEE Journal on Selected Areas in Communications 16 (5), 626-639, 1998 | 76 | 1998 |

A common solution to a pair of linear matrix equations over a principal ideal domain AB Özgüler, N Akar Linear Algebra and its Applications 144, 85-99, 1991 | 67 | 1991 |

Wavelength converter sharing in asynchronous optical packet/burst switching: An exact blocking analysis for Markovian arrivals N Akar, E Karasan, K Dogan IEEE Journal on Selected Areas in Communications 24 (12), 69-80, 2006 | 60 | 2006 |

Finite and infinite QBD chains: A simple and unifying algorithmic approach N Akar, K Sohraby Proceedings of INFOCOM'97 3, 1105-1113, 1997 | 54 | 1997 |

Equilibrium pricing in multi-service priority-based networks LA Dasilva, DW Petr, N Akar GLOBECOM 97. IEEE Global Telecommunications Conference. Conference Record 3 …, 1997 | 53 | 1997 |

Infinite-and finite-buffer Markov fluid queues: a unified analysis N Akar, K Sohraby Journal of applied probability 41 (2), 557-569, 2004 | 52 | 2004 |

Discrete-time queueing model of age of information with multiple information sources N Akar, O Dogan IEEE Internet of Things Journal 8 (19), 14531-14542, 2021 | 46 | 2021 |

A novel computational method for solving finite QBD processes N Akar, NC Oğuz, K Sohraby Stochastic Models 16 (2), 273-311, 2000 | 44 | 2000 |

Markov fluid queue model of an energy harvesting IoT device with adaptive sensing C Tunc, N Akar Performance Evaluation 111, 1-16, 2017 | 43 | 2017 |

Solving multi-regime feedback fluid queues HE Kankaya, N Akar Stochastic Models 24 (3), 425-450, 2008 | 43 | 2008 |

A simple and effective mechanism for stored video streaming with TCP transport and server-side adaptive frame discard E Gürses, GB Akar, N Akar Computer Networks 48 (4), 489-501, 2005 | 39 | 2005 |

A survey of quality of service differentiation mechanisms for optical burst switching networks N Akar, E Karasan, KG Vlachos, EA Varvarigos, D Careglio, M Klinkowski, ... Optical Switching and Networking 7 (1), 1-11, 2010 | 38 | 2010 |

A numerically efficient method for the MAP/D/1/K queue via rational approximations N Akar, E Arikan Queueing systems 22, 97-120, 1996 | 32 | 1996 |

Finding the exact distribution of (peak) age of information for queues of PH/PH/1/1 and M/PH/1/2 type N Akar, O Doğan, EU Atay IEEE Transactions on Communications 68 (9), 5661-5672, 2020 | 31 | 2020 |

Exact calculation of blocking probabilities for bufferless optical burst switched links with partial wavelength conversion N Akar, E Karasan Broadband Networks, 2004. BroadNets 2004. Proceedings. First International …, 2004 | 29 | 2004 |

Computing moments of first passage times to a subset of states in Markov chains T Dayar, N Akar SIAM Journal on Matrix Analysis and Applications 27 (2), 396-412, 2005 | 28 | 2005 |

TELPACK: an advanced teletraffic analysis package N Akar, NC Oguz, K Sohraby IEEE Communications Magazine 36 (8), 84-87, 1998 | 24 | 1998 |

Shared-per-wavelength asynchronous optical packet switching: A comparative analysis N Akar, C Raffaelli, M Savi, E Karasan Computer Networks 54 (13), 2166-2181, 2010 | 22 | 2010 |

Exact analysis of single-wavelength optical buffers with feedback Markov fluid queues HE Kankaya, N Akar Journal of Optical Communications and Networking 1 (6), 530-542, 2009 | 22 | 2009 |