Questions tagged [approximation]

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6
votes
0answers
838 views

k-CNF ←→ k-DNF conversion to minimize errors

the following problem/question seems fundamental/hard. it appears in some circuit theory proofs, graph theory, and maybe elsewhere. looking for any nontrivial insight. will add various known/nearby ...
7
votes
1answer
736 views

Approximating Max-Coverage when the elements need to be covered multiple times

In the set multicover problem we are given a set N of n elements and a set S of m subsets of N. Additionally, each element has a coverage requirement, i.e. the number of times it has to be covered. ...
15
votes
1answer
390 views

smallest circuit size using XOR gates

Suppose we are given a set of n boolean variables x_1,...,x_n and a set of m functions y_1...y_m where each y_i is the XOR of a (given) subset of these variables. The goal is to compute the minimum ...