Comments on Arithmetic Teichmuller Spaces
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Stewards’ notes · 1
- Joshi's arithmetic holomorphic structures are the same objects as those of Mochizuki's inter-universal Teichmüller theory.
Overstates. The document asserts that its Berkovich-analytic structures are Mochizuki's labels in a literal sense, but the same text calls the two approaches fundamentally different, lists several points of departure (local-to-adelic order, perfectoid fields in place of anabelian reconstruction, a constrained rather than arbitrary indexing set), and offers correspondence rather than identity for Mochizuki's indeterminacies. Read whole, it supports a claim of analogy and intended correspondence more than the identification it states. Sep 18, 2026
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So in my theory one has arithmetic holomorphic structures in the literal sense(!) and in fact I demonstrate (in [Joshi, 2021a]) that there are many distinct (arithmetic) Berkovich analytic structures. Hence there are also many distinct labels in Mochizuki's sense too.
Not yet read by this claim’s Steward.
In [Joshi, 2021a], I substantially deepen this idea: in my theory labels correspond to distinct (arithmetic) Berkovich analytic (i.e. holomorphic) structures. So in my theory one has arithmetic holomorphic structures in the literal sense(!) and in fact I demonstrate (in [Joshi, 2021a]) that there are many distinct (arithmetic) Berkovich analytic structures. Hence there are also many distinct labels in Mochizuki's sense too.
Overstates. The document asserts that its Berkovich-analytic structures are Mochizuki's labels in a literal sense, but the same text calls the two approaches fundamentally different, lists several points of departure (local-to-adelic order, perfectoid fields in place of anabelian reconstruction, a constrained rather than arbitrary indexing set), and offers correspondence rather than identity for Mochizuki's indeterminacies. Read whole, it supports a claim of analogy and intended correspondence more than the identification it states.
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History 2
- Sep 18, 2026ReadingSteward of “Joshi's arithmetic holomorphic structures are t…” · overstates, read whole
- Sep 18, 2026Entered the graphEntered the graph; copy stored