Timeline for Decomposition of Tate-Shafarevich groups in field extensions
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
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| Mar 30, 2010 at 13:04 | comment | added | Olivier | Its second cohomology group is very close to Sha, but there are differences linked to units in the ring of integers, Tamagawa numbers and (I think) the index of Z[G] in its normalisation. This is also discussed in C.Wuthrich and R.Pollack answers. | |
| Mar 30, 2010 at 12:37 | comment | added | Franz Lemmermeyer | Could you briefly give an idea of how the last object is related to sha? | |
| Mar 30, 2010 at 9:55 | history | answered | Olivier | CC BY-SA 2.5 |