clopen.solutions

Open problems

980 registered problems.

OP-00388 Open
Optimal stable manifold widths of Besov balls
NA · AIM Open Applied Problems · Besov spaces · nonlinear approximation · nonlinear widths
OP-00396 Open
Maximum treewidth at a prescribed edge count
CO · AIM Open Applied Problems · extremal problems · tree decompositions · treewidth
OP-00511 Open
Minimum volume of a three-dimensional body of constant width
MG · AIM Open Applied Problems · Blaschke–Lebesgue problem · bodies of constant width · Meissner bodies
OP-00532 Open
The minimum-area universal cover of planar diameter-one sets
MG · AIM Open Applied Problems · sets of constant width · universal covers
OP-00555 Open
The shortest space curve of prescribed minimum width
MG · AIM Open Applied Problems · escape paths · space curves · width
OP-00672 Solution claimed
The cost of continuous reconstruction on Banach unit balls
NA · AIM Open Applied Problems · continuous measurements · information-based complexity · manifold widths
OP-00771 Solution claimed
Sharp local approximation widths for rough elliptic equations
NA · AIM Open Applied Problems · elliptic equations with rough coefficients · Kolmogorov n-widths · multiscale finite element methods