نتایج جستجو برای: exogenous theory
تعداد نتایج: 831787 فیلتر نتایج به سال:
let h be a separable hilbert space and let b be the set of bessel sequences in h. by using several interesting results in operator theory we study some topological properties of frames and riesz bases by constructing a banach space structure on b. the convergence of a sequence of elements in b is de_ned and we determine whether important properties of the sequence is preserved under the con...
Causal models show promise as a foundation for the semantics of counterfactual sentences. However, current approaches face limitations compared to alternative similarity theory: they only apply limited subset counterfactuals and connection logic is not straightforward. This article addresses these difficulties using exogenous interventions, where causal interventions change values variables rat...
This paper develops an asymptotic theory for nonlinear cointegrating power function regression. The framework extends earlier work on the deterministic trend case and allows both endogeneity heteroskedasticity, which makes models inferential methods relevant to many empirical economic financial applications, including predictive A new test linear cointegration against departures is developed ba...
To test the hypothesis that chronic infusion of atrial natriuretic peptide (ANP) instituted before hypoxic exposure attenuates the development of pulmonary hypertension in hypoxia adapted rats, ANP (0.2 and 1.0 microgram/h) or vehicle was administered intravenously via osmotic minipump for 4 wk beginning before exposure to 10% O2 or to room air. Low dose ANP increased plasma ANP levels by only ...
Background & Aim: The world production and consumption of essential oils and perfumes are increasing very fast. Lippia citriodora H.B.K. is an herbal species mainly used as a spice and medicinal plant. Endogenous levels as well exogenous application of plant growth regulators (PGR) could affect essential oil production and chemical compositions. Experimental: To study the effect of ex...
The present longitudinal study aims at investigating the interplay between child temperament, mother–child interaction quality and Theory of Mind (ToM) preschool age with regard to development problem behavior school in 115 participants. Maternal sensitivity temperament were assessed when children 4 years old. At 5 age, ToM was assessed. 8 Results showed that independently predicted by temperam...
The last database theory column initiated a series of articles on the relationship between database theory and practice with a guest column by Is \database theory" an oxymoron? Or is it a platitude? What is the tness measure that decides the survival of ideas (and areas) in mathematics, in applied science, and in computer science? Which ideas from database theory during the past twenty-ve years...
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