Definition: A binary tree where the balance of every subtree, ρ(T'), is bounded by α ≤ ρ(T') ≤ 1-α.
Also known as weight-balanced tree.
Generalization (I am a kind of ...)
binary tree, balanced tree.
Specialization (... is a kind of me.)
See also height-balanced tree.
Note: After Johann Blieberger <email@example.com>, Discrete Loops and Worst Case Performance, page 22.
See [GBY91, pages 100-102].
If you have suggestions, corrections, or comments, please get in touch with Paul E. Black.
Entry modified 16 November 2009.
HTML page formatted Tue Dec 6 16:16:32 2011.
Cite this as:
Paul E. Black, "BB(α) tree", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 16 November 2009. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/bbalphatree.html