The minus component of the equivariant Tamagawa number conjecture in determinant form
Let be a finite abelian CM-extension, let , and let be finite sets of places satisfying the hypotheses used to define the perfect complex . Let denote its determinant module, and let be the minus-component zeta element obtained from the leading term of the equivariant -function and the regulator isomorphism. The minus eTNC. One has
Equivalently, is a basis of the determinant module. The paper states that this formulation is equivalent to the Fitting-ideal formulation above, but the supplied text does not establish that either conjecture is resolved.
References
Primary source
Mahiro Atsuta and Takenori Kataoka, “On the minus component of the equivariant Tamagawa number conjecture for G_m”, arXiv:2112.04783 (2021).
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