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LSpice
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Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.

Edit: As Andy points outpoints out, any Dehn twist (about an essential simple closed curve) also gives an example.

Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.

Edit: As Andy points out, any Dehn twist (about an essential simple closed curve) also gives an example.

Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.

Edit: As Andy points out, any Dehn twist (about an essential simple closed curve) also gives an example.

Incorporated remark from comments.
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Sam Nead
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Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.

Edit: As Andy points out, any Dehn twist (about an essential simple closed curve) also gives an example.

Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.

Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.

Edit: As Andy points out, any Dehn twist (about an essential simple closed curve) also gives an example.

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Sam Nead
  • 28.1k
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  • 72
  • 131

Yes. In a bit more detail: if the Teichmüller space has positive dimension then the given topological surface admits a pseudo-Anosov homeomorphism. (This is an exercise, but perhaps a non-trivial one, depending on your background.) A pseudo-Anosov homeomorphism induces a fixed-point-free isomorphism of the Teichmüller space.