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Florian Luca (born 16 March 1969 in Galați) is a Romanian mathematician who specializes in number theory with emphasis on Diophantine equations, linear recurrences and the distribution of values of arithmetic functions. He has made notable contributions to the proof that irrational automatic numbers are transcendental and the proof of a conjecture of Erdős on the intersection of the Euler function and the sum of divisors function. Luca graduated with a BS in Mathematics from the University of Iasi (1992), and Ph.D. in Mathematics from the University of Alaska Fairbanks (1996). He has held various appointments at Syracuse University, Bielefeld University, Czech Academy of Sciences, and National Autonomous University of Mexico. Currently he is a research professor at the University of the Witwatersrand. He has co-authored over 500 papers in mathematics with more than 200 co-authors and has Erdős number 1.〔(Most Published Authors ), Journal of Number Theory, Accessed August 14, 2015〕〔(Most Published Authors ), International Journal of Number Theory, Accessed August 14, 2015〕〔(Most Published Authors ), Acta Arithmetica, Accessed August 14, 2015〕 He is a recipient of the award of the Guggenheim Fellowship for Natural Sciences, Latin America & Caribbean.〔(John Simon Guggenheim Foundation | Florian Luca ), John Simon Guggenheim Memorial Foundation〕 Luca is one of the editors-in-chief of ''INTEGERS: the Electronic Journal of Combinatorial Number Theory''〔(Editorial Board ), INTEGERS: the Electronic Journal of Combinatorial Number Theory. Accessed August 14, 2015〕 and an editor of the Fibonacci Quarterly.〔(Editorial Team ), Fibonacci Quarterly, Accessed August 14, 2015〕 == Selected works == * with B. Adamczewski, Y. Bugeaud: Sur la complexité des nombres algébriques, Comptes Rendus Mathematique 339 (1), 11-14, 2013 * with K. Ford, C. Pomerance: Common values of the arithmetic functions ϕ and σ, Bulletin of the London Mathematical Society 42 (3), 478-488, 2010 * with J-M. De Koninck: Analytic Number Theory: Exploring the Anatomy of Integers, American Mathematical Society, 2012 * Diophantine Equations - Effective Methods for Diophantine Equations, 2009, (Online 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「Florian Luca」の詳細全文を読む スポンサード リンク
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