The 15 theorem states that if an integral quadratic form with integral matrix represents the numbers 1, 2, 3, 5, 6, 7, 10, 14, 15, then it represents all numbers. Is there an analogue of this theorem for cubic forms?
2026-04-23 07:06:33.1776927993
Is there an analogue of the 15 theorem for cubic forms?
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