Codimension 2
From Mathematics
(→Cycles in codim 2, part I) |
(→Cycles in codim 2, part I) |
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* Prove Proposition 1.13<ref name="Blo74"/> | * Prove Proposition 1.13<ref name="Blo74"/> | ||
* Remind of Lemma 2.1<ref name="Blo74"/> which has been discussed in the talk on Cech cohomology | * Remind of Lemma 2.1<ref name="Blo74"/> which has been discussed in the talk on Cech cohomology | ||
| − | * Deduce the long exact sequence associated with the sequence | + | * Deduce the long exact sequence associated with the sequence of sheaves |
<math> | <math> | ||
| − | 1 \rightarrow K_2 | + | 1 \rightarrow K_2 \rightarrow St \rightarrow \mathrm{SL} \rightarrow 1 |
</math> | </math> | ||
| + | |||
| + | and prove that | ||
References: <ref name="Blo74"/>, (<ref name="Blo10"/>, §4) | References: <ref name="Blo74"/>, (<ref name="Blo10"/>, §4) | ||
