Results 111 to 120 of about 9,050 (237)

The sojourn time distribution in processor-sharing queues.

open access: yes, 2010
The sojourn time distribution in processor-sharing ...
Qiang. Zhen (7972631)
core  

Sojourn time tails in the single server queue with heavy-tailed service times [PDF]

open access: yes, 2009
We consider the GI/GI/1 queue with regularly varying service requirement distribution of index -a. It is well known that, in the M/G/1 FCFS queue, the sojourn time distribution is also regularly varying, of index 1 - a, whereas in the case of LCFS or ...
Onno Boxma   +5 more
core   +1 more source

Hidden Semi Markov Models for Multiple Observation Sequences: The mhsmm Package for R

open access: yesJournal of Statistical Software, 2011
This paper describes the R package mhsmm which implements estimation and prediction methods for hidden Markov and semi-Markov models for multiple observation sequences. Such techniques are of interest when observed data is thought to be dependent on some
Jared O'Connell, Søren Højsgaard
doaj  

Altitude or heat training to increase haemoglobin mass and endurance exercise performance in elite sport

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Upper panel, high‐altitude training typically encompasses 3–4 weeks of altitude exposure combined with training either at altitude or at sea level. Following this, a response for haemoglobin mass (Hbmass) is seen in two of three studies, which coincides with some performance gains in <50% of studies.
Carsten Lundby, Paul Robach
wiley   +1 more source

The random walk with stochastic sojourn times [PDF]

open access: yes, 1969
In this thesis we will investigate random walks which, upon reaching a state X, stay in X during a certain time (sojourn time). The distribution of this time only depends on X and not on the previous development of the process.
Genugten, Berend Bernhard van der,   +1 more
core  

Sojourn times and rare events [PDF]

open access: yes36th Annual Simulation Symposium, 2003., 2003
Müller, Norbert Th., Brenner, Freimut
openaire   +1 more source

The role of acid‐base balance in cerebrovascular and ventilatory responses to CO2 during 10 h normobaric hypoxia

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend During 10 h exposures to normobaric hypoxia exposure there was a selective leftward shift in ventilatory response to hyperoxic hypercapnic rebreathing, but not the cerebrovascular response. The key findings are that the resetting of the central chemoreflex to lower PCO2${P_{{\mathrm{C}}{{\mathrm{O}}_2}}}$ during early hypoxic ...
Holly Barclay   +3 more
wiley   +1 more source

Effects of nocturnal periodic breathing on sympathetic nerve activity and ventilatory control at high altitude: a randomised, crossover study

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Schematic overview of the randomised crossover study investigating the effects of nocturnal periodic breathing (nPB) on sympathetic activity and ventilatory acclimatisation in hypobaric hypoxia equivalent to 4000 m altitude. Participants completed two 3‐day sojourns where nPB was inhibited by increasing inspiratory CO2 fraction ...
Johanna Roche   +13 more
wiley   +1 more source

On the Distribution of Sojourn Times in Tandem Queues

open access: yesACM SIGMETRICS Performance Evaluation Review
The paper studies the (end-to-end) waiting and sojourn times in tandem queues with general arrivals and light-tailed service times. It is shown that the tails of the corresponding distributions are subject to polynomial-exponential upper bounds, whereby the degrees of the polynomials depend on both the number of bottleneck queues and the 'light ...
Florin Ciucu, Sima Mehri
openaire   +1 more source

Ventilatory and cerebrovascular responses to exercise in lowlander children acclimatizing to high‐altitude

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend To investigate age‐related differences in ventilatory and cerebrovascular responses to exercise at high‐altitude, adults (n = 10, 23–44 years) and children (n = 8, 7–14 years) completed progressive cycling exercise tests at sea‐level and following 6 days of acclimatization at 3800 m.
J. L. Koep   +11 more
wiley   +1 more source

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