In this paper, we study the quantic Diophantine equation （1） with elementary geometry method, therefore all positive integer solutions of the equation （1） are obtained, and existence of Heron triangle whose median...In this paper, we study the quantic Diophantine equation （1） with elementary geometry method, therefore all positive integer solutions of the equation （1） are obtained, and existence of Heron triangle whose median lengths are all positive integer are discussed here.展开更多
0 The Diophantine equation X^(2p)-Dy^2=1Let D be a positive integer which is square free,and p be a prime.In 1966,Ljunggren showed that if p=2 and D=q is a prime,then the Diophantine equationx^(2p)-Dy^2=1(1)has only p...0 The Diophantine equation X^(2p)-Dy^2=1Let D be a positive integer which is square free,and p be a prime.In 1966,Ljunggren showed that if p=2 and D=q is a prime,then the Diophantine equationx^(2p)-Dy^2=1(1)has only positive integer solutions(q,x,y)=(5,3,4),(29,99,1820).In 1979,KoChao and Sun Qi showed that if p=2 and D=2q,then Eq.(1)has no positive inte-展开更多
基金Foundation item: Supported by the Natural Science Foundation of China(10271104)Supported by the Natural Science Foundation of Education Department of Sichuan Province(2004B25)
文摘In this paper, we study the quantic Diophantine equation （1） with elementary geometry method, therefore all positive integer solutions of the equation （1） are obtained, and existence of Heron triangle whose median lengths are all positive integer are discussed here.
基金Supported by the NSF of China(11126173)Anhui Province Natural Science Foundation(1208085QA02)+1 种基金the NSF of China(10901002)the NSF of Anhui Province Education Committee(KJ2011Z151)
基金The National Natural Science Foundation of China(No.10271104)the Guangdong Provicial Natural Science Foundation(No.011871)the Natural Science Foundation of the Education Departement of Guangdong Province(No.0161).
文摘0 The Diophantine equation X^(2p)-Dy^2=1Let D be a positive integer which is square free,and p be a prime.In 1966,Ljunggren showed that if p=2 and D=q is a prime,then the Diophantine equationx^(2p)-Dy^2=1(1)has only positive integer solutions(q,x,y)=(5,3,4),(29,99,1820).In 1979,KoChao and Sun Qi showed that if p=2 and D=2q,then Eq.(1)has no positive inte-
