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Families of fuzzy and crisp languages defined by identities
Magnus Steinby 원광대학교 기초자연과학연구소 2020 ANNALS OF FUZZY MATHEMATICS AND INFORMATICS Vol.19 No.3
We present a general scheme for defining families of fuzzy languages and the related families of crisp languages. In particular, all the varieties of regular fuzzy languages of T.~Petkovi\'c (2005) together with their associated $\star$-varieties of S.~Eilenberg (1976) and varieties of finite monoids are obtained this way, but also pairs of more general families of regular fuzzy and crisp languages can be defined. For the families that are not varieties, we show how to get the greatest varieties contained in them. As examples we consider the varieties of commutative fuzzy and crisp languages, the families of rotation invariant fuzzy and crisp regular languages, which are not varieties, and the varieties of aperiodic fuzzy and crisp languages, which are ultimately defined by a sequence of identities.
Magnus Marsden1,David Henig 한양대학교 아태지역연구센터 2019 Journal of Eurasian Studies Vol.10 No.1
This article explores the concept of West Asia in relationship to recent work in the global history of Islam that points toward the existence of transregional arenas of historic significance that incorporate many of Asia’s Muslim societies. Recent anthropological work has also brought attention to the dynamic nature of the relations and cultural connections between peoples living in regions that once formed part of expansive arenas of interaction yet were divided by imperial and national boundaries, as well as the ideological conflicts of the Cold War. Against this political and historical context, we deploy West Asia as a geographical scale that brings to light interconnected forms of life that have been silenced by traditional area studies scholarship. We compare our field work experiences with two different networks made-up of Muslims that span different axis of Muslim Asia. We argue that “West Asia” brings attention to influential connections, communities, and circulations that both bear the imprint of deeper pasts as well as the influence of emergent and shifting transregional dynamics in the present. Furthermore, by emphasizing connective dynamics that move beyond the rather conventional focus on east–west relationships, the category West Asia also encourages scholarship to highlight multiple yet hitherto little explored inter-Asian north–south connections.
BCH Coding for Data Hiding with t = 4
Magnus Botnan,Vasiliy Sachnev,Hyoung Joong Kim,Jong-cheol Moon 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
This paper presents an improved data hiding technique based on BCH (n,k,t) syndrome coding. The proposed data hiding method embeds data to a block of input data (for example, image pixels, wavelet or DCT coefficients, etc.) by modifying some coefficients in a block in order to null the syndrome of the BCH coding. The proposed data hiding method can hide the same amount of data with less computational time compared to the existed methods. Contribution of this paper includes the increasing capacity of the data embedding based on BCH. The proposed scheme shows that BCH syndrome coding for data hiding when t = 4 is now possible ascribed to the reduced complexity.
Dealignment and Realignment: The Swedish parliamentary election of 2022
Magnus Hagevi 한국 스칸디나비아학회 2022 스칸디나비아 연구 Vol.30 No.-
The study argues that the Swedish parliamentary election of 2022 is related to major long-term changes in Scandinavian and European politics in general. Therefore, the aim is to analyze long-term changes in Swedish politics over time, in relation to significant short-term changes due to the Swedish parliamentary election of 2022. The study describes the Swedish party system and the election campaign preceding the 2022 Swedish parliamentary election as well as the short-term changes, relative to the previous election, that this election brought with it. The study also describes important long-term changes in the Swedish party system since the 1980s. In relation to these changes, starting in the 1950s, the study describes the increased mobility of Swedish voters and the decline of voting along the social class cleavage as dealignment. Moreover, the study addresses the ideological changes of voters along the subjective left-right scale, the economic left-right dimension, and the libertarian-authoritarian dimension in relation to the concept of realignment. In conclusion, the article shows the need to study the long-term processes of dealignment and realignment to be able to understand the transformed party system that became so clear in the 2022 Swedish parliamentary election.
Magnus B. Kjelland,Michael R. Hansen,Ilya Tyapin,Geir Hovland 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
The current work is on motion control of a hydraulically actuated manipulator with a view to handle offshore payload transfer between moving frames. The manipulator has redundant actuation and also, a non-actuated degree of freedom. The motion control has two targets: tool point control and compensation of the non-actuated degree of freedom. The redundancy is handled by means of pseudo-inverse kinematics while optimizing a cost function, avoiding mechanical joint limits. The compensation of the un-actuated degree of freedom employs LQR control, minimizing position and velocity error while maintaining the tracking reference for the tool-point. The proposed control scheme is implemented and experimentally validated in a practical system where the manipulator is mounted on a Stewart platform that allows for the simulation of wave induced heave motion as a disturbance.
How do Ideas Interact with Behavior in Organizations?
( Magnus Marmgren(msc) ),( Sverker Alange(phd) ),( Stefan Book(phd) ) 한국품질경영학회 2015 한국품질경영학회 학술대회 Vol.2015 No.2
Purpose: To develop and test a conceptual framework for how ideas interact with behavior in the context of organizational development and the adoption of new organizational innovations focusing on quality, innovation and sustainability. Design/methodology/approach: The framework that has been proposed in this paper is the product of an abductive research process. This process has involved testing and reflecting in action, and on action when writing. The emerging framework has also been challenged by theoretical input from continual literature studies and has (at different stages of its development) been part of the theoretical framework for a PhD dissertation, research articles and master□s theses. Findings: The framework graphically highlights the relation between explicit (i.e. spoken or documented) and tacit ideas and that the latter is what largely controls action. It also implies that for new explicit ideas or theories to become effective, which is normally the purpose of improvement initiatives, they have to become part of the tacit guiding ideas. This is often quite difficult to achieve. The framework gives a perspective on why this is the case and how it can be counteracted. Examples of measures indicated include seeing development as iterative and contextual, and supporting sense-making and learning by doing. Another example is to address the coherence between the parts of the framework, i.e. what is said, documented and done. Practical implications: The framework has been tested with practitioners and the graphical framework has rapidly assisted professionals in making explicit, and developing, the tacit knowledge they have of the specific problem/opportunity areas for their respective organization. This was found in different cases including studies of sustainability, process management and cultural factors influencing behavior in different countries. Originality/value: The implications of the framework are in line with existing research but we believe that the graphical model adds both scientific and practical dimensions. This is partly due to the framework making it easier to differentiate between complex concepts that are often confused.