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17 results on '"Uwate, Yoko"'

1. Robust transformations of firing patterns for neural networks

Author

Kanders, Karlis, Lorimer, Tom, Uwate, Yoko, Steeb, Willi-Hans, and Stoop, Ruedi

Subjects
Quantitative Biology - Neurons and Cognition, Nonlinear Sciences - Chaotic Dynamics
Abstract

As a promising computational paradigm, occurrence of critical states in artificial and biological neural networks has attracted wide-spread attention. An often-made explicit or implicit assumption is that one single critical state is responsible for two separate notions of criticality (avalanche criticality and dynamical edge of chaos criticality). Previously, we provided an isolated counter-example for co-occurrence. Here, we reveal a persistent paradigm of structural transitions that such networks undergo, as the overall connectivity strength is varied over its biologically meaningful range. Among these transitions, only one avalanche critical point emerges, with edge of chaos failing to co-occur. Our observations are based on ensembles of networks obtained from variations of network configuration and their neurons. This suggests that not only non-coincidence of criticality, but also the persistent paradigm of network structural changes in function of the overall connectivity strength, could be generic features of a large class of biological neural networks.

Published
2017

3. State-of-the-Art and Research Opportunities for Next-Generation Consumer Electronics

Author

Wu, Chung Kit, Cheng, Chi-Tsun, Uwate, Yoko, Chen, Guanrong, Mumtaz, Shahid, and Tsang, Kim Fung

Abstract

The tremendous advancement of Internet-of-Things (IoT) has proliferated the interaction between the physical and cyber worlds. Consumer electronics, as the first tier in the physical world, would play a crucial role to enable ubiquitous information exchange. The adoption of IoT technologies will inevitably enhance the maturity of consumer products and services, proliferating the market of consumer electronics. Nonetheless, the ever-growing number of uncoordinated connections and unregulated integrations of technologies would pose various challenges and threats, resulting in vulnerability to consumer electronics. Thus, there is an urgent need for defining the trusted infrastructure and research directions for consumer electronics. In this paper, the next-generation (next-gen) consumer electronics would be defined for the first time. Also, the state-of-the-art architecture of next-gen consumer electronics would be presented, in compliance with the emerging IoT standard IEEE 2668. To address the underlying challenges in next-gen consumer electronics, this paper will classify the essential research topics for consumer electronics and present future research opportunities, such as the exploitation of complex network analysis, cybersecurity measures, etc., to foster the development of consumer electronics in a reliable, efficient, safe, and secure manner.

Published
2023
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7. Structural evolution in networks of coupled maps with asymmetric influence amplification

Author

Ott, Thomas, Schüle, Martin, Fellermann, Harold, and Uwate, Yoko

Subjects
004: Informatik
Abstract

We consider self-organization processes in networks of coupled chaotic maps whose dynamics determine the time evolution of the network’s connectivity. In particular, a structural development rule is introduced that enhances the asymmetry of the influence that two nodes exert on each other. Our motivating assumption is that this rule can give rise to dynamic clustering, where some individual nodes act as impulse leaders that impose their dynamics on a group of followers. We examine to what extent this assumption can be confirmed in what we deem to be a paradigmatic toy model.

Published
2018

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