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Faster Exact Solutions for Max2Sat

2000
Given a boolean 2CNF formula F, the MAX2SAT problem is that of finding the maximum number of clauses satisfiable simultaneously. In the corresponding decision version, we are given an additional parameter k and the question is whether we can simultaneously satisfy at least k clauses. This problem is NP-complete.
Jens Gramm, Rolf Niedermeier
openaire   +1 more source

Some Exact Solutions of Magnetohydrodynamics

The Physics of Fluids, 1963
Four examples of the exact solutions of two-dimensional magnetohydrodynamics of incompressible inviscid fluid are given. Two are valid for infinite conductivity and the other two for finite conductivity.
openaire   +1 more source

Abundant exact solutions and interaction phenomena of the (2 + 1)-dimensional YTSF equation

Analysis and Mathematical Physics, 2019
Si-Jia Chen   +3 more
semanticscholar   +1 more source

Exact Number of Positive Solutions for the Kirchhoff Equation

SIAM Journal on Mathematical Analysis, 2022
Zou Wenming, Shijie Qi
exaly  

Nöther symmetries and exact solutions

1995
Capozziello, S.   +3 more
openaire   +3 more sources

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