We know TREE(3) exists, and we know it's finite, but we do not know what it is or even how many digits there are. The number comes from a simple game of trees—meaning the charts used in graph ...

Ringel’s question was about the relationship between complete graphs and trees. He said: First imagine a complete graph containing 2n + 1 vertices (that is, an odd number). Then think about every ...

Microsoft has made its Space Partition Tree And Graph (SPTAG) algorithm, used in its own Bing search engine, available to all as an open-source GitHub project. The algorithm uses vector search and ...