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.
(A) An example of a size 9 non-lattice subgraph containing a size 5 non-lattice subgraph (in dashed circle). (B) The resulting size 7 non-lattice subgraph obtained by fixing the size 5 non-lattice subgraph contained in (A). (C) The resulting graph after fixing all possible errors in (A).
