Abstract
We shall discuss the local triviality in the ideal class group of the basic $\mathbf Z_p$-extension over an imaginary quadratic field and prove, in particular, a result which implies that such triviality distributes with natural density $1$.
Citation
Kuniaki Horie. "The ideal class group of the basic $\mathbf Z_p$-extension over an imaginary quadratic field." Tohoku Math. J. (2) 57 (3) 375 - 394, September 2005. https://doi.org/10.2748/tmj/1128703003
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