An upper bound for Lebesgue’s universal covering problem
vixra.org/abs/1801.0292

Philip Gibbs makes progress on the smallest area needed to cover a congruent copy of every diameter-one curve in the plane, with additional contributions from John Baez, Karine Bagdasaryan, and Greg Egan. See Baez's blog post johncarlosbaez.wordpress.com/2 for more. But why vixra??

A Mastodon instance for maths people. The kind of people who make $\pi z^2 \times a$ jokes.

Use $ and $ for inline LaTeX, and $ and $ for display mode.