Given a long exact sequence of abelian groups $L:\,\, \cdot \cdot \cdot \to {L^{i - 1}\underrightarrow {{\xi ^{i - 1}}}\,{L^i}\,\underrightarrow {{\xi ^{i - 1}}}\,{L ...
It is shown that the extension functor defined on the category $\mathcal{L}$ of locally compact abelian groups is right-exact. Actually $\operatorname{Ext}^n$ is ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Representation theory transforms abstract algebra groups into things like simpler ...
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