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01/26/2022
Perfect Matching in Random Graphs is as Hard as Tseitin
We study the complexity of proving that a sparse random regular graph on...
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07/09/2019
Global Cardinality Constraints Make Approximating Some Max-2-CSPs Harder
Assuming the Unique Games Conjecture, we show that existing approximatio...
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04/02/2019
Simplified inpproximability of hypergraph coloring via t-agreeing families
We reprove the results on the hardness of approximating hypergraph color...
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10/05/2018
Improved Inapproximability of Rainbow Coloring
A rainbow q-coloring of a k-uniform hypergraph is a q-coloring of the ve...
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12/27/2017
