Presentation Information

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[25p-61C-7]Coherence influx is indispensable for quantum reservoir computing

〇Shumpei Kobayashi¹, Hoan Tran³, Kohei Nakajima^2,3,1 (1.CI, Univ. Tokyo, 2.MI, Univ. Tokyo, 3.AI, Univ. Tokyo)

Keywords:

quantum reservoir computing,echo state property,Pauli transfer matrix

Echo state property (ESP) is a fundamental concept for an input-driven dynamical system to perform information processing tasks. Recently, the authors proposed extensions of ESP to possibly non-stationary systems and subsystems. In this paper, as a follow-up, we theoretically analyze sufficient and necessary conditions for a quantum system to satisfy non-stationary ESP and subset/subspace non-stationary ESP. Our analyzation is based on extensive usage of the Pauli transfer matrix (PTM) form.

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