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The uncertainty principle sets lower bound on the uncertainties of twoincompatible observables measured on a particle. The uncertainty lower boundcan be reduced by considering a particle as a quantum memory entangled with themeasured particle. In this paper, we consider a tripartite scenario in which aquantum state has been shared between Alice, Bob, and Charlie. The aim of Boband Charlie is to minimize Charlie's lower bound about Alice's measurementoutcomes. To this aim, they concentrate their correlation with Alice inCharlie's side via a cooperative strategy based on local operations andclassical communication. We obtain lower bound for Charlie's uncertainty aboutAlice's measurement outcomes after concentrating information and compare itwith the lower bound without concentrating information in some examples. Wealso provide a physical interpretation of the entropic uncertainty lower boundbased on the dense coding capacity.

Reducing the entropic uncertainty lower bound in the presence of quantum memory via local operation and classical communication