Chain duality VI (Ex)

Check that the contravariant functors $T \colon \Aa^{\ast} (K) \rightarrow \Bb (\Aa^{\ast} (K))$$<wikitex>; Check that the contravariant functors $T \colon \Aa^{\ast} (K) \rightarrow \Bb (\Aa^{\ast} (K))$ and $T \colon \Aa_{\ast} (K) \rightarrow \Bb (\Aa_{\ast} (K))$ defined in the lecture are indeed a chain dualities using the previous exercise. </wikitex> == References == {{#RefList:}} [[Category:Exercises]] [[Category:Exercises without solution]]T \colon \Aa^{\ast} (K) \rightarrow \Bb (\Aa^{\ast} (K))$ and $T \colon \Aa_{\ast} (K) \rightarrow \Bb (\Aa_{\ast} (K))$$T \colon \Aa_{\ast} (K) \rightarrow \Bb (\Aa_{\ast} (K))$ defined in the lecture are indeed a chain dualities using the previous exercise.