Gauss circle problem exponent (64a)

Gauss circle problem exponent

64a

Upper bound, last-listed row

| $131/208$ | [Hux2003] | Huxley's bound (long-standing record). [CRM2023-ub-131-208] |

exact pinned row

| $131/208$ | <a href="#Hux2003">[Hux2003]</a> | Huxley's bound (long-standing record). <a href="#CRM2023-ub-131-208">[CRM2023-ub-131-208]</a> |

tracked since 2026-07-24 — no movement seen yet

Lower bound, last-listed row

| $0$ | | Trivial from the definition $C_{64}\ge 0$. |tracked since 2026-07-24 — no movement seen yet

Cite this row

Bounds Ledger — Gauss circle problem exponent (64a)
upper bound: $131/208$ (tracked since 2026-07-24 — no movement seen yet)
lower bound: $0$ (tracked since 2026-07-24 — no movement seen yet)
Mirrored from teorth/optimizationproblems@2c1968c. These are the last-listed rows of that constant's bounds table — a listing position, not a statement that this bound is the strongest or most recent. A snapshot at that sha, not a live read.
https://u00dxk2.github.io/bounds-ledger/c/64a.html