The Tamagawa number conjecture for h0(K)(j)h^0(K)(j)

Let KK be a number field, let SS contain the archimedean places and the places above pp, and let jj be an integer. Let ϑZp(j)\vartheta_{\mathbb{Z}_p(j)} denote the period isomorphism attached to the compactly supported complex RΓc(OK,S,Zp(j))\operatorname{R}\Gamma_c(\mathcal{O}_{K,S},\mathbb{Z}_p(j)), and let ζK,S(j)\zeta_{K,S}^\ast(j) be the leading term of the truncated Dedekind zeta function at s=js=j.

The Tamagawa number conjecture. There exists a unique Zp\mathbb{Z}_p-basis

zK,SdetZp1(RΓc(OK,S,Zp(j)))z_{K,S} \in {\det}_{\mathbb{Z}_p}^{-1}(\operatorname{R}\Gamma_c(\mathcal{O}_{K,S},\mathbb{Z}_p(j)))

with

ϑZp(j)(zK,S)=ζK,S(j).\vartheta_{\mathbb{Z}_p(j)}(z_{K,S})=\zeta_{K,S}^\ast(j).

The text presents this as the precise Tamagawa number conjecture and later records evidence in several cases, but does not claim a general resolution.

Sources & referencesView supporting material

Primary source

David Burns and Takamichi Sano, “On functional equations of Euler systems”, arXiv:2003.02153 (2020).

Additional references

2 papers in this index state this conjecture (2008–2020). The statement above is taken from the most recent of them; the others are arXiv:0804.2828.

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