B. Active / Former Number Theory Researchers on The Abundancy Index
Ludwick (1994) - Analysis of the Ratio Sigma(n)/n
[ludwick@math.temple.edu]
Holdener and Riggs (1998) - Consecutive Perfect Numbers (actually, the Lack Thereof!)
Holdener and Ma (2005) - When Thue-Morse Meets Koch
Holdener and Stanton (2007) - Abundancy Outlaws of the Form I(N) + (t/N)
Holdener and Czarnecki (2008) - Tracking Down Abundancy Outlaws
[holdenerj@kenyon.edu]
Ryan (2002) - Results Concerning Uniqueness for I(x) = I(p^n)I(q^m)
Ryan (2003) - A Simpler Dense Proof Regarding the Abundancy Index
Ryan (2006) - Results Concerning An Equation of Goormaghtigh and Related Topics
Ryan (2009) - Improvements on Previous Abundancy Results
[RRyan@marymountpv.edu]
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