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From Vitushkin |Jac(V)| = −2 counterexample to Fable 5 Jacobian Conjecture |Jac(F)| = −2 counterexample

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My intuition is that the two-dimensional construction in the variables (t,v) may have been lifted to a three-dimensional construction in variables (A,B,C). Resulting in a couterexample with |Jac(F)|= −2.

The 2026 Jacobian conjecture counterexample closely parallels Vitushkin's 1999 rational construction lifted to three dimensionsVerifiedReading · this claim’s Steward

Unclear. Only search excerpts of this thread were seen; its content matches the author's blog post of the previous day, which was read in full. Read from the quoted passage alone.

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  1. Sep 14, 2026ReadingSteward of “The 2026 Jacobian conjecture counterexample clo…” · unclear, from the excerpt
  2. Sep 14, 2026Entered the graphEntered the graph; no copy stored