Positive ternary quadratic forms with finitely many exceptions

Chan, Wai Kiu; Oh, Byeong-Kweon

doi:10.1090/S0002-9939-04-07433-7

Positive ternary quadratic forms with finitely many exceptions
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by Wai Kiu Chan and Byeong-Kweon Oh PDF

Proc. Amer. Math. Soc. 132 (2004), 1567-1573 Request permission

Abstract:

An integral quadratic form $f$ is said to be almost regular if $f$ globally represents all but finitely many integers that are represented by the genus of $f$. In this paper, we study and characterize all almost regular positive definite ternary quadratic forms.

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