An official website of the United States government
Here’s how you know
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.
https://www.nist.gov/people/james-shook
James Shook (Fed)
Mathematician
Research Interest
Combinatorics, Graph Theory and their applications to computer and cyber security.
A graph is $k$-chordal if it does not have an induced cycle with length greater than $k$. We call a graph chordal if it is $3$-chordal. Let $G$ be a graph. The
Federated identity management enables users to access multiple systems using a single login credential. However, to achieve this a complex authentication has to
Most modern electronic devices can produce a random number. However, it is dicult to see how a group of mutually distrusting entities can have con dence in any
Peter M. Mell, James Shook, Richard Harang, Serban I. Gavrila
An important way to limit malicious insiders from distributing sensitive information is to as tightly as possible limit their access to information. This has