New answers tagged gch
7
votes
Is GCH useful in proving theorems?
Dixmier traces are
easily constructed in ZFC and there is an extensive literature on the
topic. Connes pointed out that such a trace with particularly good
properties can be constructed in the ...
- 14.9k
20
votes
Is GCH useful in proving theorems?
One surprising (at least to me) area where the GCH enters is the following piece of homological algebra. Let $k$ be a field of cardinality $\aleph_n$. Then Barbara Osofsky proved that the projective ...
- 9,621
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