نتایج جستجو برای: renewal
تعداد نتایج: 17762 فیلتر نتایج به سال:
A review is presented of experimental information pertaining to the characteristics of a procedure designed to quantitate the capacity for self-renewal in clonogenic cells of human acute myeloblastic leukemia. In a series of 44 previously untreated patients, a significant correlation (p less than 0.01) was seen between low capacity for self-renewal and successful remission induction. Three cyto...
We consider the geometric Markov renewal processes as a model for a security market and study this processes in a diffusion approximation scheme. Weak convergence analysis and rates of convergence of ergodic geometric Markov renewal processes in diffusion scheme are presented. We present European call option pricing formulas in the case of ergodic, double-averaged, and merged diffusion geometri...
A uniform key renewal theorem is deduced from the uniform Blackwell’s renewal theorem. A uniform LDP (large deviation principle) for renewal-reward processes is obtained, and MDP (moderate deviation principle) is deduced under conditions much weaker than existence of exponential moments.
In an empirical study of both sides of the sponsorship dyad, a number of key antecedents to sponsors’ renewal intentions were examined. The study involved all sponsors and clubs of a leading Australian sport property. Sponsors’ market orientation was found to be a positive factor: it influenced non-economic satisfaction which, in turn, determined sponsors’ renewal intentions. On the other hand,...
Spermatogonial stem cells (SSCs), the stem cells responsible for male fertility, are one of a small number of cells with the abilities of both self-renewal and generation of large numbers of haploid cells. Technology improvements, most importantly, transplantation assays and in vitro culture systems have greatly expanded our understanding of SSC self-renewal and differentiation. Many important ...
After sketching the basic principles of renewal theory we discuss the classical Poisson process and offer two other processes, namely the renewal process of Mittag-Leffler type and the renewal process of Wright type, so named by us because special functions of Mittag-Leffler and of Wright type appear in the definition of the relevant waiting times. We compare these three processes with each oth...
Purpose: The aim is to downregulate the expression level of NS as an important factor in sustaining stem cells and certain types of cancer cells self-renewal ability in bone marrow derived mesenchymal stem cells by RNAi strategy and investigate the effects of absence of NS in these cells. Materials and Methods: Double strand NS-specific and control siRNA oligos were designed and transfected in...
The present paper is concerned with the eetlmatlon of the transition distributions of a Markov renewal process with finitely many states, which extends and unifies nome aspects of the results in the special cases of discrete and continuous parameter Markov chains. A natural estimator of the transition distribution." is defined and shown to be consistent. Limiting distributions of this estimator...
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