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We investigate the rank growth of elliptic curves from to and quartic extensions . In particular, we are interested in the quantity for fixed and varying . When , with subject to some other conditions, we prove there are infinitely many quartic extensions over which does not gain rank, i.e. such that . To do so, we show how to control the 2-Selmer rank of in certain quadratic extensions, which in turn contributes to controlling the rank in families of and quartic extensions of .

生成讲解博客的中文版本

生成AI智能校验的中文版本