Chebyshev–Artin primitive-root conjecture
For a prime , let denote the relevant Chebyshev residue structure, and let be the element associated with . A Chebyshev primitive root is an element for which has order . A Chebyshev square is an integer of the form . Chebyshev–Artin primitive-root conjecture. Every integer that is not a Chebyshev square is a Chebyshev primitive root modulo for infinitely many primes . This is the proposed analogue of Artin's conjecture for the Chebyshev setting; the source gives no resolution, so the assertion remains open.
References
Primary source
Kok Seng Chua, “Chebyshev polynomials and a refinement of the local residue/non-residue structure at a prime”, arXiv:2602.17727 (2026).
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