The Rubik's Cube, which is popular all over the world, is a three-dimensional puzzle that is so difficult that even beginners cannot match it. However, the world record for the fastest time to match ...
Applicable Analysis and Discrete Mathematics, Vol. 10, No. 2 (October 2016), pp. 408-446 (39 pages) An associative Boolean tree is a plane rooted tree whose internal nodes are labelled by AND or OR ...
This is a preview. Log in through your library . Abstract Consider informative selection of a sample from a finite population. Responses are realized as independent and identically distributed (i.i.d.
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