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Coding and information theory is a field that deals with various problems arising from the transmission, storage, and processing of information. It is ubiquitous in engineering systems with flow of information

Error correction code: recovering erroneous messages in communication systems or storage devices Example : LDPC code, Turbo code

Coding for DNA storage: a promising storage system in DNA storage systems, new types of errors occur such as insertion and deletion errors, but they are emerging as promising memory devices with long lifespan and high data density.

Index coding: source coding for broadcasting with receiver side information Application: satellite communication, P2P file sharing