نتایج جستجو برای: renewal rate

تعداد نتایج: 976816  

Journal: :Nature 1986

2012

These notes cover material beyond the topics covered in IEOR 3106. We refer to the books by [Asmussen (2003)] and [Ross (1996)] (a more advanced book than the one we use). First, renewal theory is about renewal processes. A key quantity is the renewal function. The renewal function is important because it is a key component of the solution of the renewal equation. In applications, we are often ...

2014
Kyungjoon Park Beomjong Song Jeongyeon Kim Ingie Hong Sangho Song Junuk Lee Sungmo Park Jihye Kim Bobae An Hyun Woo Lee Seungbok Lee Hyun Kim Justin C. Lee Sukwon Lee Sukwoo Choi

Fear renewal, the context-specific relapse of fear following fear extinction, is a leading animal model of post-traumatic stress disorders (PTSD) and fear-related disorders. Although fear extinction can diminish fear responses, this effect is restricted to the context where the extinction is carried out, and the extinguished fear strongly relapses when assessed in the original acquisition conte...

Journal: :Annual review of cell and developmental biology 2009
Shenghui He Daisuke Nakada Sean J Morrison

Self-renewal is the process by which stem cells divide to make more stem cells, perpetuating the stem cell pool throughout life. Self-renewal is division with maintenance of the undifferentiated state. This requires cell cycle control and often maintenance of multipotency or pluripotency, depending on the stem cell. Self-renewal programs involve networks that balance proto-oncogenes (promoting ...

Journal: :CoRR 2017
Sarah Marzen James P. Crutchfield

Loosely speaking, the Shannon entropy rate is used to gauge a stochastic process’ intrinsic randomness; the statistical complexity gives the cost of predicting the process. We calculate, for the first time, the entropy rate and statistical complexity of stochastic processes generated by finite unifilar hidden semi-Markov models—memoryful, state-dependent versions of renewal processes. Calculati...

Journal: :physiology and pharmacology 0
nuredin bakhtiari department of biochemistry, faculty of basic sciences, young researchers and elite club, sanandaj branch, islamic azad university, sanandaj, iran

introduction: satellite cells are known as the main regenerative cell type in skeletal muscles. our study established a modified digestion and preplating method for the isolation of slow or weak adherent cells for the enrichment of satellite cells. low-survival rate of these primary stem cells prompted us to address whether cell culture medium substitution might change cell viability status. me...

Journal: :نشریه شهرسازی و معماری 0
بهرام معلمی (مترجم)

0

2013
R. Manikandan P. Swaminathan

It is well known that various characteristics in risk and queuing process can be formulated as Markov Renewal function. We study the max-position of finitely many Markov Renewal Reward process with countable state space. We define Markov Renewal equation associated with max-posed process. The solutions of the Markov Renewal Reward equation are derived and the asymptotic behaviors of the equatio...

2014
STEVEN P. LALLEY

(1) Sn = S0 + n ∑ i=1 Xi When S0 = 0 the renewal process is an ordinary renewal process; when S0 is a nonnegative random variable the renewal process is a delayed renewal process. In either case, the individual terms Sn of this sequence are called renewals, or sometimes occurrences. With each renewal process is associated a renewal counting process N (t ) that tracks the total number of renewal...

Journal: :Physical review. E 2016
M Chupeau O Bénichou S Redner

We determine the impact of resource renewal on the lifetime of a forager that depletes its environment and starves if it wanders too long without eating. In the framework of a minimal starving random-walk model with resource renewal, there are three universal classes of behavior as a function of the renewal time. For sufficiently rapid renewal, foragers are immortal, while foragers have a finit...

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