3 papers
cs.CR2025
A symmetric LWE-based Multi-Recipient Cryptosystem
Saikat Gope, Srinivasan Krishnaswamy, Chayan Bhawal
This article describes a post-quantum multirecipient symmetric cryptosystem whose security is based on the hardness of the LWE problem. In this scheme a single sender encrypts mult…
math.CO2024
Optimal k-centers of a graph: a control-theoretic approach
Karim Shahbaz, Madhu N. Belur, Chayan Bhawal +1
In a network consisting of n nodes, our goal is to identify the most central k nodes with respect to the proposed definitions of centrality. Depending on the specific application,…
eess.SY2021
A matrix theoretic characterization of the strongly reachable subspace
Imrul Qais, Chayan Bhawal, Debasattam Pal
In this paper, we provide novel characterizations of the weakly unobservable and the strongly reachable subspaces corresponding to a given state-space system. These characterizatio…