23 entries matching the current filters. Sorted by recently added.
Exponent for commutators close to the identity: determine C 85 or improve its bounds; the repository records 1 (lower) and 4 (upper).
3D critical Bochner–Riesz exponent: determine C 77 or improve its bounds; the repository records 3 (lower) and frac 13 4 (upper).
Sendov radius constant: determine C 69 or improve its bounds; the repository records 1 (lower) and 2 (upper).
Korenblum's constant: determine C 68 or improve its bounds; the repository records 0.3554 (lower) and 0.6778994 (upper).
Brennan's conjecture exponent: determine C 67 or improve its bounds; the repository records 3.422 (lower) and 4 (upper).
Favard-length decay exponent: determine C 60 or improve its bounds; the repository records frac 1 6 (lower) and 1 (upper).
Bohr radius for the bidisc: determine C 59 or improve its bounds; the repository records 0.3006 (lower) and 0.302825279492 (upper).
Univalent Bloch constant: determine C 57c or improve its bounds; the repository records 0.5708858 (lower) and 1 (upper).
Landau's constant: determine C 57b or improve its bounds; the repository records frac 1 2 +10^ -335 (lower) and dfrac Gamma(1/3) Gamma(5/6) Gamma(1/6) approx 0.5433 (upper).
Bloch’s constant: determine C 57a or improve its bounds; the repository records frac sqrt 3 4 +2 times 10^ -4 (lower) and dfrac 1 sqrt 1+ sqrt 3 , dfrac Gamma(1/3) Gamma(11/12) Gamma(1/4) approx 0.4719 (upper).
Beurling–Ahlfors transform constant: determine C 54 or improve its bounds; the repository records 1 (lower) and 1.575 (upper).
Erdős maximum term problem: determine C 51 or improve its bounds; the repository records 0.5850788 (lower) and frac 2 pi approx 0.63662 (upper).
Centered Hardy-Littlewood maximal constant in dimension 2 : determine C 47 or improve its bounds; the repository records 1.68550999 (lower) and 3.879 (upper).
Fourier restriction constant for the 2-sphere: determine C 46 or improve its bounds; the repository records 3 (lower) and frac 22 7 approx 3.142857 (upper).
Turan's pure power sum constant: determine C 42 or improve its bounds; the repository records 0.5 (lower) and 0.69368 (0.6906538 ) (upper).
Falconer distance problem in mathbb R ^2 : determine C 34 or improve its bounds; the repository records 1 (lower) and frac 5 4 (upper).
Multilinear Bohnenblust--Hille constant (real): determine C 26b or improve its bounds; the repository records 2 (lower) and infty (upper).
Bohnenblust--Hille constant on the Boolean cube: determine C 26a or improve its bounds; the repository records 2 (lower) and infty (upper).
Brezis–Gallouet–Wainger remainder constant on the 2D torus: determine C 16 or improve its bounds; the repository records frac beta + pi pi approx 1.82283 (lower) and approx 2.15627 (upper).
The complex Grothendieck constant: determine C 10b or improve its bounds; the repository records 1.338 (lower) and 1.40491 (upper).
The real Grothendieck constant: determine C 10a or improve its bounds; the repository records frac 6 pi 11 approx 1.71360 (lower) and frac pi 2 log(1+ sqrt 2 ) - 10^ -4 approx 1.78211 (upper).
Crouzeix constant: determine C 2 or improve its bounds; the repository records 2 (lower) and 2 (upper).
Sidon set autocorrelation constant: determine C 1a or improve its bounds; the repository records 1.2802 (1.292 ) (lower) and 1.502862 (upper).