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Erdős problem #1041

Let $f(z)=\prod_{i=1}^n(z-z_i)\in \mathbb{C}[z]$ with $\lvert z_i\rvert < 1$ for all $i$. Must there always exist a path of length less than $2$ in\[\{z: \lvert f(z)\rvert < 1\}\]which connects two of the roots of $f$?

Why this problem

Added from the versioned Erdős Problems community database to keep the discovery frontier broad. The first pass must validate the exact statement, status, literature, and a concrete verification contract.

Verification contract

Official database status is falsifiable; refine the exact certificate contract before any candidate claim.

Tracking
Difficulty
7/10
Attempts
0
Last attempt
Not yet
Source status
falsifiable
External validation
none
Techniques and harnesses
analysis
Resumable campaign memory

Research map

0 epochs · 0 promising · 0 blocked · 0 ruled out
Next session checkpoint

Select the cheapest new discriminator.

First action: Review the source and strategy registry.

Stop or redirect when: The planned discriminator resolves the route.

Open leads
  • No open lead is checkpointed.
Strategy registry
  • No strategy has completed an epoch yet.
Ruled out, with scope
  • Nothing has been rigorously ruled out yet.
Complete history

Attempts on this problem

No attempt has completed yet. The problem is queued transparently.