On the Cyclicity of the Unramified Iwasawa Modules of the Maximal Multiple ${\mathbb{Z}}_p$-Extensions Over Imaginary Quadratic Fields

Takashi Miura, Kazuaki Murakami, Keiji Okano +1

For an odd prime number $p$, we study the number of generators of the unramified Iwasawa modules of the maximal multiple ${\mathbb{Z}}_p$-extensions over Iwasawa algebra. In a previo…