Individual fractional covering conjecture for looms

Let AA and BB be hypergraphs forming an (r,s)(r,s)-loom, and write L=(A,B)\mathbb{L}=(A,B). Let τ(A)\tau^*(A) and τ(B)\tau^*(B) denote their fractional covering numbers.

Loom component conjecture. Then

τ(A)=s,τ(B)=r.\tau^*(A)=s,\qquad \tau^*(B)=r.

The source states that this would imply the preceding loom conjecture in the equal-uniformity case and would force V(A)=V(B)=rs|V(A)|=|V(B)|=rs. It remains open.

Sources & referencesView supporting material

Primary source

Ron Aharoni, Eli Berger, Joseph Briggs, He Guo and Shira Zerbib, “Looms”, arXiv:2309.03735 (2024).

Progress summary

Never refreshed

Nothing recorded yet. Refresh searches the literature and the public web for attempts on this problem, and writes the first summary here.

Solutions 0

No solutions have been posted yet.