The abelian Iwasawa main conjecture for CM fields
Let be a CM field and let be an Artin representation such that the field corresponding to the kernel of is linearly disjoint from . Let be the ring of integers of . Choose a -stable -lattice of and set . Let be the Selmer group defined above.
Iwasawa main conjecture for . In the abelian case, for a finite Hecke character with linearly disjoint from , the equality
of principal ideals of should hold, where is the -adic Hecke -function defined as in the cited theorem. The Pontryagin dual of the Selmer group is pseudo-isomorphic to the corresponding Iwasawa module, and this conjecture is equivalent to the main conjecture proposed by Hida and Tilouine.
References
Primary source
Takashi Hara and Tadashi Ochiai, “On the p-adic L-function and Iwasawa Main Conjecture for an Artin motive over a CM field”, arXiv:2407.06983 (2025).
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