Timeline for extension of the universal cyclotomic character
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 3, 2016 at 8:49 | comment | added | David Loeffler | The specialisation map $H^1(G_{\mathbf{Q}, S}, V \otimes R(\epsilon^{\mathrm{univ}})) \to H^1(G_{\mathbf{Q}, S}, V)$ is injective for every $V$ (because the Iwasawa $H^0$ always vanishes). Does that answer your question? | |
| Dec 2, 2016 at 14:26 | comment | added | Adel BETINA | I have another question related to the question above : A small computation tells us that the dimension of $Ext^1_{G_\mathbb{Q}}(1,\psi)$ is one, do you think that the specialization of $H^1(G_{\mathbf{Q}, S}, R(\psi \epsilon^{\mathrm{univ}}))$ to $H^1(G_{\mathbb{Q},S},\psi)$ is not the zero morphism ? | |
| Dec 2, 2016 at 7:43 | history | edited | David Loeffler | CC BY-SA 3.0 |
added 582 characters in body
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| Dec 1, 2016 at 22:53 | vote | accept | Adel BETINA | ||
| Dec 1, 2016 at 22:32 | history | answered | David Loeffler | CC BY-SA 3.0 |