Random sequential bisection and its associated binary tree |
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Authors: | Masaaki Sibuya Yoshiaki Itoh |
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Institution: | (1) Department of Mathematics, Keio University The Institute of Statistical Mathematics, Keio |
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Abstract: | Summary Random sequential bisection is a process to divide a given interval into two, four, eight, ... parts at random. Each division
point is uniformly distributed on the interval and conditionally independent of the others. To study the asymptotic behavior
of the lengths of subintervals in random seqential bisection, the associated binary tree is introduced.
The number of internal or external nodes of the tree is asymptotically normal. The levels of the lowest and the highest external
nodes are bounded with probability one or with probability increasing to one as the number of nodes increases to infinity.
The associated binary tree is closely related to random binary tree which arises in computer algorithms, such as binary search
tree and quicksort, and one-dimensional packing or the parking problem. |
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Keywords: | Random binary tree random division random packing parking problem random spacings |
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