One-dimensional convex sub-Gaussian comparison constant: determine C 48 or improve its bounds; the repository records approx 5.33386 (lower) and approx 5.33386 (upper).

Optimization Constants in Mathematics — Davis, Ivanisvili & Tao· Licensed source statement· 2026

OP-12012CombinatoricsSolved

Critical exponent for isoperimetric inequality on the Hamming cube ( $C_{11b}$ )

Critical exponent for isoperimetric inequality on the Hamming cube: determine C 11b or improve its bounds; the repository records 0.5 (lower) and 0.5 (upper).

Optimization Constants in Mathematics — Davis, Ivanisvili & Tao· Licensed source statement· 2026

OP-11997CombinatoricsSolved

Single-set sum-difference exponent ( $C_{3d}$ )

Single-set sum-difference exponent: determine C 3d or improve its bounds; the repository records 2 (lower) and 2 (upper).

Optimization Constants in Mathematics — Davis, Ivanisvili & Tao· Licensed source statement· 2026

OP-11993AnalysisSolved

Crouzeix constant ( $C_{2}$ )

Crouzeix constant: determine C 2 or improve its bounds; the repository records 2 (lower) and 2 (upper).

Optimization Constants in Mathematics — Davis, Ivanisvili & Tao· Licensed source statement· 2026

Zero-sum-free subsets of the unit sphere over F_7

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Cycle Double Cover Conjecture

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Points on Elliptic Curves over Finite Fields · Question 11.1

Fluctuations and scaling relations · Question 3.5

Wirsing Constant (C83C_{83}C83​)

One-dimensional convex sub-Gaussian comparison constant (C48C_{48}C48​)

Critical exponent for isoperimetric inequality on the Hamming cube (C11bC_{11b}C11b​)

Single-set sum-difference exponent (C3dC_{3d}C3d​)

Crouzeix constant (C2C_{2}C2​)

Wirsing Constant ( $C_{83}$ )

One-dimensional convex sub-Gaussian comparison constant ( $C_{48}$ )

Critical exponent for isoperimetric inequality on the Hamming cube ( $C_{11b}$ )

Single-set sum-difference exponent ( $C_{3d}$ )

Crouzeix constant ( $C_{2}$ )