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When Close Enough Is Close Enough

The American Mathematical Monthly, 2000
2? + V526 = 3. Teacher: Please show me your solution to this problem. Student: Sure. At first I was confused, but then I had a great idea. I just used my calculator. Both sides of the equation evaluate to 1.732050808. So they're the same! Teacher: Hmm. That's a good idea, but it doesn't really answer the question.
openaire   +2 more sources

Extension Closed and Cluster Closed Subspaces

Canadian Journal of Mathematics, 1972
One of the most useful properties of a compact Hausdorff space is that such a space is closed whenever embedded into a Hausdorff space. This property does not extend to compact spaces with respect to embeddings into arbitrary spaces. Thus, an interesting topological problem is to characterize the types of absolute “closure” properties that are ...
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Closed-neighborhood union-closed graphs

Australas. J Comb., 2020
Summary: A CNUC graph is one in which the union of any two closed neighborhoods of single vertices is a closed neighborhood of a single vertex. We show that every (finite, simple) graph is an induced subgraph of a CNUC graph. This paper provides the definition of the \textit{cnuc} number of a graph, the minimum number of vertices that must be added in ...
Kelly Guest   +4 more
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Capital market behavior and operational announcements of layoffs, operation closings, and pay cuts

Review of Quantitative Finance and Accounting, 1993
Lin Chai, Michael S Rozeff
exaly  

Store Closings and Retailer Profitability: A Contingency Perspective

Journal of Retailing, 2020
Scott Fay, Cong Feng
exaly  

Walking away: The embodied achievement of activity closings in mobile interaction

Journal of Pragmatics, 2013
Lorenza Mondada, Mathias Broth
exaly  

Close to Home

JEMS: Journal of Emergency Medical Services, 2008
openaire   +3 more sources

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