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An efficient multiparty quantum secret sharing scheme using a single qudit
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作者 胡文文 熊邦书 周日贵 《Chinese Physics B》 SCIE EI CAS CSCD 2023年第8期161-170,共10页
The aim of quantum secret sharing,as one of most promising components of quantum cryptograph,is one-tomultiparty secret communication based on the principles of quantum mechanics.In this paper,an efficient multiparty ... The aim of quantum secret sharing,as one of most promising components of quantum cryptograph,is one-tomultiparty secret communication based on the principles of quantum mechanics.In this paper,an efficient multiparty quantum secret sharing protocol in a high-dimensional quantum system using a single qudit is proposed.Each participant's shadow is encoded on a single qudit via a measuring basis encryption method,which avoids the waste of qudits caused by basis reconciliation.Security analysis indicates that the proposed protocol is immune to general attacks,such as the measure-resend attack,entangle-and-measure attack and Trojan horse attack.Compared to former protocols,the proposed protocol only needs to perform the single-qudit measurement operation,and can share the predetermined dits instead of random bits or dits. 展开更多
关键词 quantum secret sharing HIGH-DIMENSIONAL measurement basis encrypted security analysis
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An Adaptive Regulation Problem and Its Application
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作者 Yuan Jiang Ji-Yang Dai 《International Journal of Automation and computing》 EI CSCD 2017年第2期221-228,共8页
This paper studies an adaptive regulation problem for the modified FitzHugh-Nagumo neuron model under external electrical stimulation. We first present the solution of the global robust output regulation problem for o... This paper studies an adaptive regulation problem for the modified FitzHugh-Nagumo neuron model under external electrical stimulation. We first present the solution of the global robust output regulation problem for output feedback system with an uncertain exosystem which models the external electrical stimulation with unknown frequency and amplitude. Then, we show that the robust control problem for the modified FitzHugh-Nagumo neuron model can be formulated as the global robust output regulation problem and the solvability conditions for the output regulation problem for the modified FitzHugh-Nagumo neuron model are all satisfied. Then, we apply the obtained output regulation result to constructing an output feedback control law for the modified FitzHugh-Nagumo neuron model to achieve global stability of the closed-loop system in the presence of uncertain parameters and external stimulus. An example is given to show that the proposed algorithm can completely reject the external electrical stimulation. 展开更多
关键词 Control theory Lyapunov methods internal model principle modified FitzHugh-Nagumo model.
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