Mathematician:Samuel Standfield Wagstaff Jr.

Mathematician

American mathematician and computer scientist, whose research interests are in the areas of cryptography, parallel computation, and analysis of algorithms, especially number theoretic algorithms.

Nationality

American

History

• Born: February 21, 1945 in New Bedford, Massachusetts, US

Theorems and Definitions

• Baillie-PSW Primality Test (with Robert Baillie, Carl Bernard Pomerance and John Lewis Selfridge)

Publications

• July 1980: The Pseudoprimes to $25 \cdot 10^9$ (Math. Comp. Vol. 35, no. 151: pp. 1003 – 1026) (with Carl Pomerance and J.L. Selfridge)  www.jstor.org/stable/2006210

• October 1980: Lucas Pseudoprimes (Math. Comp. Vol. 35, no. 152: pp. 1391 – 1417) (with Robert Baillie)  www.jstor.org/stable/2006406

• Jan. 1983: Divisors of Mersenne Numbers (Math. Comp. Vol. 40, no. 161: pp. 385 – 397)  www.jstor.org/stable/2007383

• 1983: Factorizations of $b^n \pm 1$ up to high powers (Contemporary Mathematics Vol. 22: pp. 1 – 178) (with John Brillhart, D.H. Lehmer, John L. Selfridge and Bryant Tuckerman)

• 1988: Factorizations of $b^n \pm 1, b = 2, 3, 5, 6, 7, 10, 11, 12$ up to high powers (2nd ed.) (Contemporary Mathematics Vol. 22: pp. 1 – 226) (with John Brillhart, D.H. Lehmer, John L. Selfridge and Bryant Tuckerman)