Kenji Miyazawa’s ethics: the significance of his practice and thought to contemporary ethics

広島大学応用倫理学プロジェクト研究センター研究成果報告書統一テーマ : ［平和構築に向けて : 和解の諸相］ 《Zur Konstruierung des Friedens: Verschiedene Aspekte der Versöhnung

The Negative Influence of Internet Addiction on Morality of Japanese Youth: Loss of Relationships with Others and Oneself

This article aims to consider how Internet addiction, particularly smartphone addiction, exerts a negative influence on the morality of Japanese youth. Particular attention is paid to the loss of "relationship", which is considered in this article to be the basic factor of morality. First, this article points out that "overestimating friendship and communication" is a fundamental factor of Internet and smartphone addiction. Furthermore, Internet and smartphone addiction is worsening the overestimation of friendship and communication. There is an interrelationship between overestimating friendship and communication and Internet and smartphone addiction. This interrelationship then results in the loss of the ability to have relationships with "others" and "oneself'. In section 1, this article discusses the loss of the ability to have a relationship with others. In this case, others includes all individuals existing within our society as well as culture, history, and nature. Overestimating friendship and communication and Internet and smartphone addiction lead to "the decay of public spirit". In addition, this article refers to several problems such as child prostitution and the spread of obscene information, which are becoming more prevalent because of easy access to dangerous persons and harmful information via cell phones and smartphones, considered the "perfect personal device". In section 2, this article discusses the loss of the ability to have a relationship with oneself. Here, the ability to have a relationship to oneself refers to one's own ability to have an effect on oneself, for example, self-reflection, self-discipline, and autonomy. Overestimating friendship and communication and Internet and smartphone addiction produce numerous problems in children and youth including little self-reflection, narcissism, and a decline in general ability

Nietzsche’s concept of eugenics and the affirmation of life

広島大学応用倫理学プロジェクト研究センター研究成果報告書 統一テーマ : [復興から和解へ] 《Vom Wiederaufbau zur Versöhnung

Analysis of Redirection Caused by Web-based Malware

Web-based malicious software (malware) has been increasing over the Internet. It poses threats to computer users through Web sites. Computers are infected with Web-based malware by drive-by-download attacks. Drive-by-download attacks force users to download and install the Web-based malware without being aware of it. These attacks evade detection by using automatic redirections to various Web sites. It is difficult to detect these attacks because each redirection uses the obfuscation technique. This paper analyzes the HTTP communication data of drive-by-download attacks. The results show significant features of the malicious redirections that are used effectively when we detect malware

Cumulative fracture behavior of short fiber type C/SiC

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Highly accurate spatial mode generation using spatial cross modulation method for mode division multiplexing

We propose a spatial mode generation technology using spatial cross modulation (SCM) for mode division multiplexing (MDM). The most well-known method for generating arbitrary complex amplitude fields is to display an off-axis computer-generated hologram (CGH) on a spatial light modulator (SLM). However, in this method, a desired complex amplitude field is obtained with first order diffraction light. This critically lowers the light utilization efficiency. On the other hand, in the SCM, the desired complex field is provided with zeroth order diffraction light. For this reason, our technology can generate spatial modes with large light utilization efficiency in addition to high accuracy. In this study, first, a numerical simulation was performed to verify that the SCM is applicable for spatial mode generation. Next, we made a comparison from two view points of the coupling efficiency and the light utilization between our technology and the technology using an off-axis amplitude hologram as a representative complex amplitude generation method. The simulation results showed that our technology can achieve considerably high light utilization efficiency while maintaining the enough coupling efficiency comparable to the technology using an off-axis amplitude hologram. Finally, we performed an experiment on spatial modes generation using the SCM. Experimental results showed that our technology has the great potential to realize the spatial mode generation with high accuracy

Plate : persistent memory management for nonvolatile main memory

Over the past few years, nonvolatile memory has actively been researched and developed. Therefore, studying operating system (OS) designs predicated on the main memory in the form of a nonvolatile memory and studying methods to manage persistent data in a virtual memory are crucial to encourage the widespread use of nonvolatile memory in the future. However, the main memory in most computers today is volatile, and replacing highcapacity main memory with nonvolatile memory is extremely cost-prohibitive. This paper proposes an OS structure for nonvolatile main memory. The proposed OS structure consists of three functions to study and develop OSs for nonvolatile main memory computers. First, a structure, which is called plate, is proposed whereby persistent data are managed assuming that nonvolatile main memory is present in a computer. Second, we propose a persistent-data mechanism to make a volatile memory function as nonvolatile main memory, which serves as a basis for the development of OSs for computers with nonvolatile main memory. Third, we propose a continuous operation control using the persistent-data mechanism and plates. This paper describes the design and implementation of the OS structure based on the three functions on The ENduring operating system for Distributed EnviRonment and describes the evaluation results of the proposed functions