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Dominik Kwietniak
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Maybe it is a good to note that a similar question: What is the weak-$^*$ closure of the set $$ D=\{\mu\in\mathcal{M}_\sigma: \mu\text{ is isomorphic to some }\nu\in C\}? $$ has a dramatically different answer: $D$ is dense in $\mathcal{M}_\sigma$. This is a corollary to a result of Jean-Paul Thouvenot and Benjy Weiss (still unpublished as far as I know). Weiss announced it during a talk in Prague last year and mentioned that Dan Rudolph also knew that.

Maybe it is a good to note that a similar question: What is the weak-$^*$ closure of the set $$ D=\{\mu\in\mathcal{M}_\sigma: \mu\text{ is isomorphic to some }\nu\in C\}? $$ has a dramatically different answer: $D$ is dense in $\mathcal{M}_\sigma$. This is a corollary to a result of Jean-Paul Thouvenot and Benjy Weiss (still unpublished as far as I know). Weiss announced it during a talk in Prague last year and mentioned that Dan Rudolph also knew that.

Maybe it is good to note that a similar question: What is the weak-$^*$ closure of the set $$ D=\{\mu\in\mathcal{M}_\sigma: \mu\text{ is isomorphic to some }\nu\in C\}? $$ has a dramatically different answer: $D$ is dense in $\mathcal{M}_\sigma$. This is a corollary to a result of Jean-Paul Thouvenot and Benjy Weiss (still unpublished as far as I know). Weiss announced it during a talk in Prague last year and mentioned that Dan Rudolph also knew that.

Source Link
Dominik Kwietniak
  • 1.7k
  • 1
  • 13
  • 22

Maybe it is a good to note that a similar question: What is the weak-$^*$ closure of the set $$ D=\{\mu\in\mathcal{M}_\sigma: \mu\text{ is isomorphic to some }\nu\in C\}? $$ has a dramatically different answer: $D$ is dense in $\mathcal{M}_\sigma$. This is a corollary to a result of Jean-Paul Thouvenot and Benjy Weiss (still unpublished as far as I know). Weiss announced it during a talk in Prague last year and mentioned that Dan Rudolph also knew that.