On succinct arguments and witness encryption from groups

O Barta, Y Ishai, R Ostrovsky, DJ Wu - Annual International Cryptology …, 2020 - Springer
Succinct non-interactive arguments (SNARGs) enable proofs of NP statements with very low
communication. Recently, there has been significant work in both theory and practice on …

Optimal inapproximability with universal factor graphs

P Austrin, J Brown-Cohen, J Håstad - ACM Transactions on Algorithms, 2019 - dl.acm.org
The factor graph of an instance of a constraint satisfaction problem (CSP) is the bipartite
graph indicating which variables appear in each constraint. An instance of the CSP is given …