Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Example of filtration on a Morse skeleton. As the value of t increases, the tree grows from the leaves toward the root. Whenever a new leaf is added, a bar is added to the persistence diagram. When two branches merge, the shorter bar ends in the persistence diagram.
