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quant-ph2026
Quantum estimation theory with quantum noise control
Osamu Hirota, Masaki Sohma
Quantum estimation theory serves as one of fundamental backbones of quantum Shannon information theory and was mathematically systematized by pioneers of quantum information scienc…
quant-ph2026
Comparison of security mechanisms of Mathematical cipher, Wyner scheme, QKD, and Quantum stream cipher
Gikyu Yamamoto, Osamu Hirota
A new generation of global communications technology has been emerging. These systems, which utilize established device technologies and quantum effect devices, require ultra-high…