Arbitrary precision floating / ball arithmetic (interval arithmetic) dtype in NumPy / array API
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Updated
Sep 5, 2026 - Python
Arbitrary precision floating / ball arithmetic (interval arithmetic) dtype in NumPy / array API
Bernstein's constant to ten rigorously certified digits: beta = 0.2801694990, proved in interval arithmetic (Arb) where the 1985 Varga-Carpenter rigorous enclosure gives five. OEIS A073001. Every number re-derivable from the shipped data in exact arithmetic.
Anonymous CC0 unrefereed candidate on exact low-length Recht–Ré inequalities, with replayable certificates, six-factor balanced families, and a reshuffling metric reversal.
Arb-certified local descent near regular projective-response levels in quantum control.
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