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Boundary Crossing and Boundary Objects

Review of Educational Research, 2011
Diversity and mobility in education and work present a paramount challenge that needs better conceptualization in educational theory. This challenge has been addressed by educational scholars with the notion of boundaries, particularly by the concepts of boundary crossing and boundary objects.
Arthur Bakker, Sanne Akkerman
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Oxygen Boundary Crossing Probabilities

1987
The probability that an oxygen particle will reach a time dependent boundary is required in oxygen transport studies involving solution methods based on probability considerations. A Volterra integral equation is presented, the solution of which gives directly the boundary crossing probability density function.
N A, Busch, I A, Silver
openaire   +2 more sources

Boundary crossing result for the brownian motion

Blätter der DGVFM, 1993
A Brownian motion \(W(t)\) is considered as a model for surplus which may not cross a given upper boundary. This leads to the important probabilistic problem about the boundary crossing probabilities. Using the Kac method the authors obtain the expressions for the probability \(P\{\sup_{t\in [0,1]}(W(t) - h(t)) \geq 0\}\) when the boundary \(h(t)\) is ...
Teunen, M., Goovaerts, M.
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On boundary crossings of the samplepth quantile

Journal of Theoretical Probability, 1992
For \(01\), as \(x\to\infty\). By a theorem of \textit{L. de Haan} [Ann. of Statist. 2, 815-818 (1974; Zbl 0315.62021)], \[ L(b)=\sup\{n: | \xi_{p,n}-\xi_ p| > b(n)\} \] and \[ N(b)=\sum^ \infty_{n=1} I(|\xi_{p,n}-\xi_ p| > b(n)) \] are random variables.
Rothmann, Mark D., Russo, Ralph P.
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Discourses of Boundary Crossing

2021
Abstract Typologies classify activities into similarities and differences in a semantic web of purposes, contexts, practices, organizational structures, and theoretical frameworks. Huutoniemi and Rafols (2017) contended multiple claims tend to paralyze debate on definition.
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Cruising and Boundary Crossing

2018
The ability to travel, sometimes moving across boundaries of race and class, characterizes male cruising for sex along the Redneck Riviera at midcentury. Access to cars, busses, and boats coupled with the ever expanding and improving transportation infrastructure greatly expanded sexual possibilities for mobile men at this time.
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Boundary Crossings in the History of Health Care

Nursing History Review, 2014
My assignment here is to map changes in the history of health care as a field in the last 30 years, setting the stage, I think, for the constitutive role nursing history has played in this sea change. The Symposium organizers told me I had a fixed amount of time and my quick math tells me I can take up to 30 seconds per year.
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