日本語
NIHON UNIVERSITY's 
College of Industrial Technology 
Department of Liberal Arts and Basic Sciences 

Updated : 2018/05/01 
Professor 
Fujita Yasutsugu 

 

Career (Number of the published data : 1)
associate professor, College of Industrial Technology, Nihon University  2011/04/01-Present 

Academic background (Number of the published data : 1)
Tohoku University  graduate school of science  department of mathematics  Doctor later  2003  Completed  Domestic 

Academic degrees (Number of the published data : 1)
doctor (science)  Tohoku University 

Research Areas (Number of the published data : 1)
Algebra 

Research keywords (Number of the published data : 2)
Diophantine equations 
rational points on elliptic curves 

Subject of research (Number of the published data : 1)
Diophantine m-tuples and rational points on elliptic curves 
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Bibliography (Number of the published data : 4)
計算力をつける微分積分 問題集  内田老鶴圃  2013/04/05 
計算力をつける微分方程式  内田老鶴圃  2011/12 
Basic Mathematics for Calculus  裳華房  2011/03/25 
計算力をつける微分積分  内田老鶴圃  2008/03/31 
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Papers (Number of the published data : 53)
On the number of extensions of a Diophantine triple  International Journal of Number Theory  2018/04  10.1142/S1793042118500549 
Two-parameter families of uniquely extendable Diophantine triples  Science China Mathematics  2018/03  10.1007/s11425-015-0638-0 
The Mordell--Weil bases for the elliptic curve of the form $y^2=x^3-m^2x+n^2$  Publicationes Mathematicae Debrecen  2018/01  10.5486/PMD.2018.7719 
On Diophantine quadruples of Fibonacci numbers  Glasnik Matematicki Series III  2017/12  10.3336/gm.52.2.02 
Recent Progress on Diophantine m-tuples  日本大学生産工学部研究報告A  2017/06 
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Research presentations (Number of the published data : 27)
Oral presentation(general)  Bounds for irregular Diophantine quadruples  Diophantine Analysis and Related Fields 2017  2017/01/09 
Oral presentation(general)  The unique extensions of two parametric families of Diophantine triples  Problems and prospects in Analytic Number Theory  2016/10/31 
Oral presentation(general)  Extendabilities of a Diophantine triple to quadruples  Analytic Number Theory and Related Areas  2015/11/05 
Oral presentation(general)  Bounds for Diophantine quintuples  Diophantine Analysis and Related Fields 2015  2015/03/05 
Oral presentation(keynote)  Diophantine quintuples: Bounds on the elements and the number  Conference on Diophantine m-tuples and related problems  2014/11/13 
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Other research achievements (Number of the published data : 1)
Intensive Course  2009/01-Present 
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