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Karp's 1972 paper "Reducibility Among Combinatorial Problems" proved that many commonly studied combinatorial problems are variants of the same problem, which implies they are all probably intractable (NP-complete problems that is, problems for which no efficient solution algorithm is known).
Similar(58)
"Those intersections have been problems for years.
If we let them, there will be problems for us".
There are problems for minority buyers as well.
Neither are problems for Glass.
But as Twitter grew, there were problems for Weber.
These are not just problems for women -- they are problems for families and for our entire economy".
Nerves should not be problem for Hunwick.
"Being famous was a problem for me".
There are fewer problems for tourists.
There are two problems for Lebedev, however.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com