3 papers
cs.IT2026
Weak Private Information Retrieval for Graph-based Storage under -privacy
Jayesh Seshadri, Prasad Krishnan
The problem of Private Information Retrieval (PIR) across graph-based replicated systems has seen a surge of interest in recent literature. In such systems, servers are modeled as…
cs.IT2026
Converse Bounds for Sun-Jafar-type Weak Private Information Retrieval
Chandan Anand, Jayesh Seshadri, Prasad Krishnan +1
Building on the well-established capacity-achieving schemes of Sun-Jafar (for replicated storage) and the closely related scheme of Banawan-Ulukus (for MDS-coded setting), a recent…
cs.IT2025
Sun-Jafar-Type Schemes for Weak Private Information Retrieval
Chandan Anand, Jayesh Seshadri, Prasad Krishnan +1
In information-theoretic private information retrieval (PIR), a client wants to retrieve one desired file out of files, stored across servers, while keeping the index of th…