Optimal measurements in phase estimation: simple examples. - Tomasz Wasak; Augusto Smerzi; Luca Pezzè; Jan Chwedenczuk (Quantum Inf. Process., 2016)

Cauchy-Schwarz inequality for general measurements as an entanglement criterion. - Tomasz Wasak; Piotr Szankowski; Marek Trippenbach; Jan Chwedenczuk (Quantum Inf. Process., 2016)