4SAT (Boolean Satisfiability)
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Description
4SAT restricts the boolean formula to CNF with (at most) 4 literals per clause
Related Problems
Generalizations: k-SAT
Related: SAT, Conjunctive Normal Form SAT, Disjunctive Normal Form SAT, 1-in-3SAT, Monotone 1-in-3SAT, Monotone Not-Exactly-1-in-3SAT, All-Equal-SAT, Not-All-Equal 3-SAT (NAE 3SAT), Monotone Not-All-Equal 3-SAT (Monotone NAE 3SAT), 2SAT, 3SAT, 3SAT-5, Monotone 3SAT, XOR-SAT, Horn SAT, Dual-Horn SAT, Renamable Horn, MaxSAT
Parameters
$n$: number of variables
Table of Algorithms
| Name | Year | Time | Space | Approximation Factor | Model | Reference |
|---|---|---|---|---|---|---|
| Hertli (Modified PPSZ) | 2014 | $O({1.46899}^n)$ | $O(kn)$ | Exact | Randomized | Time |