Quadratic embeddability conjecture for theta graphs
Quadratic embeddability conjecture. Assume 1≤α≤β≤γ1\leq\alpha\leq\beta\leq\gamma1≤α≤β≤γ and β≥2\beta\geq2β≥2. Then Θ(α,β,γ)\Theta(\alpha,\beta,\gamma)Θ(α,β,γ) is of QE class if and only if either