Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for practical financial analysis.

"Finding chain covers of chordal-bipartite graphs," (invited) Eastern Section Meeting of the AMS, Stevens Institute of Technology, April 2007. "Transitive subtournaments of tournaments with a given ...

4 Reasons Why Your Phone Shouldn't Be Face Up on the Table If you look at your phone all day long, you might forget to pay attention to your friends and family.