#Np-Hardness
1 post in tag “Np-Hardness”.
The PCP Theorem: Why Some Problems Are Hard Even to Approximate
2025-03-30Unpack one of theoretical computer science's crown jewels: the PCP theorem, which shows that for many NP-hard problems, even finding an approximate solution is intractable — and how probabilistically checkable proofs revolutionized our understanding of hardness.