6 papers
Quantum Federated Learning Based on Bures--Uhlmann Geometry for Heterogeneous Noisy Clients
Haruki Emori, Masaki Uchihara, Yuuki Tokunaga
Quantum federated learning enables collaborative model training across quantum devices without sharing raw data, and it faces the data and hardware heterogeneity inherent to noisy…
A Path Integral Model of Cognition
Haruki Emori, Kazunori Kondo, Atsushi Iriki +1
We develop the mathematical and physical formulation of cognitive cost optimization that underlies the path-integral model of consciousness. The goal-directed cognitive process is…
Quantum Logic as the Logic of Contexts
Haruki Emori, Atsushi Iriki, Andrei Khrennikov +1
Quantum logic is usually presented as a non-classical departure from ordinary reasoning forced on us by quantum mechanics, with classical logic kept as the secure starting point. W…
Quantum statistical functions
Haruki Emori
Statistical functions such as the moment-generating, characteristic, cumulant-generating, and second characteristic functions are standard tools in classical statistics and probabi…
Measuring out-of-time-order correlators on a quantum computer based on an irreversibility-susceptibility method
Haruki Emori, Hiroyasu Tajima
The out-of-time-ordered correlator (OTOC) is a powerful tool for probing quantum information scrambling, a fundamental process by which local information spreads irreversibly throu…
Disturbance Evaluation Circuit in Quantum Measurement
Haruki Emori, Masanao Ozawa, Akihisa Tomita
According to the uncertainty principle, every quantum measurement accompanies disturbance. In particular, accurate sequential measurements need the accurate control of disturbance.…