The sparse-graph reformulation of the fractional expectation threshold conjecture
For , call a graph -sparse if
where is the expected number of copies of in . Sparse-graph reformulation. There is a fixed such that if is -sparse and , then
This is stated as an appealing restatement of the fractional expectation threshold conjecture, with the harmless convention change from threshold to noted in the source. It is therefore open together with that conjecture.
References
Primary source
Quentin Dubroff, Jeff Kahn and Jinyoung Park, “On the "second" Kahn–Kalai Conjecture”, arXiv:2508.14269 (2025).
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