Encryption, Post Quantum Cryptography, Elliptic Curve, Digital Signatures, Kyber.
coefficients of mn​ and check if they are closer to ⌊q/2​⌉=9 or 0 (or equivalently q). So, let’s do that for all coefficients: 7, closer to 9 than 0 or q, round to 9 14, closer to q than 9, round to 0 7, closer to 9 than 0 or q, round to 9 5, closer to 9 than 0 or q, round to 9 Our rounded