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Samuel Standfield Wagstaff, Jr. (born 21 February 1945) is an American mathematician and computer scientist born in 1945, whose research interests are in the areas of cryptography, parallel computation, and analysis of algorithms, especially number theoretic algorithms. He is currently a professor of computer science and mathematics at Purdue University〔(Purdue University: Department of Computer Science: Faculty: Samuel Wagstaff, Jr. )〕 who coordinates the Cunningham project, a project to factor numbers of the form ''b''''n'' ± 1, since 1983. He has authored/coauthored over 50 research papers and two books.〔(Selected Publications of Sam Wagstaff )〕 Wagstaff received his Bachelor of Science in 1966 from Massachusetts Institute of Technology. His doctoral dissertation was titled, On Infinite Matroids, Ph.D. in 1970 from Cornell University.〔 Wagstaff was one of the founding faculty of Center for Education and Research in Information Assurance and Security (CERIAS) at Purdue, and its precursor, the Computer Operations, Audit, and Security Technology (COAST) Laboratory. ==Selected publications== * with John Brillhart, D. H. Lehmer, John L. Selfridge, Bryant Tuckerman: ''Factorization of bⁿ±1, b = 2,3,5,6,7,10,11,12 up to high powers'', American Mathematical Society, 1983, 3rd edition 2002 as electronic book, (Online text ) * ''Cryptanalysis of number theoretic ciphers'', CRC Press 2002 * with Carlos J. Moreno: ''Sums of Squares of Integers'', CRC Press 2005 * (Wagstaff ''The Cunningham Project'', Fields Institute, pdf file ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Samuel S. Wagstaff, Jr.」の詳細全文を読む スポンサード リンク
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