5 problems
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Fixed-variable-order OBDD size conjecture for sparse 2-CNF
Fixed-order OBDD-size conjecture. In that case, we conjecture that the OBDD size is large even below the treewidth threshold, as there is no way to exploit the structure of the pri…
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Polynomial block-count bound for the minimum DNF size
Polynomial block-count conjecture. The value of is polynomial in ; equivalently, there exist a sufficiently large constant and a function polyn…
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Rahman–Watson conjecture on obstacles in general 3-CNF formulas
Rahman–Watson conjecture. Their results remain true for general 3-CNF formulas without the constraint that each clause has a spare variable, except that the required number of roun…
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General resolution-proof dual-certificate optimality conjecture
General resolution-proof certificate conjecture. For any unsatisfiable formula and resolution proof , the resulting vector satisfies
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Gebauer–Glock–Szabó variable-occurrence conjecture for unsatisfiable k-CNF formulas
Variable-occurrence conjecture. There is a variable such that