... xyABCk+1kk-1k-1xzABCk+1k-1Left-Rotate(x)kkyxCABk+1kkk-1yxCABkkk-1k-1Left-Rotate(x)Figure 5: AVL Insert Balancing xzADk+1k-1Left-Rotate(x)k-1yxABkk-1yBCkk-1 ... Balancing xzADk+1k-1Left-Rotate(x)k-1yxABkk-1yBCkk-1 ork-2Right-Rotate(z)zCDkk-1k+1k-1 ork-2Figure 6: AVL Insert Balancing 5 Lecture 4 Balanced Binary Search ... Adel’son-Velsii and Landis 1962 B-Trees/ 2-3 -4 Trees Bayer and McCreight 1972 (see CLRS 18) BB[α] Trees Nievergelt and Reingold 1973 Red-black Trees CLRS Chapter 13 Splay-Trees Sleator and Tarjan...