COMP282

Deletion

Simplify by swapping with a leaf

Deletion

The simplest of cases:

A little more tricky…

Maybe we could “borrow”?

Sibling(s) have “extras”.

Topology is most important

Not all siblings want to [can] share

Choosing a sibling

Procedure

Example

2-node parents become empty

Recursive procedure:

Merging Example

Recursive resolution.

Decrease in height.