Universal forms over Q(root 5)

作者：Lee Young Min^*

来源：Ramanujan Journal, 2008, 16(1): 97-104.

DOI：10.1007/s11139-007-9099-4

• quadratic forms
• universal forms
• class number
• mass formula

In this paper, we find all quaternary universal positive definite integral quadratic forms over Q(root 5) and prove an analogue of Conway and Schneeberger's 15-Theorem.

• 出版日期2008-5