scholarly journals Data assimilation in Agent-based models using creation and annihilation operators

2019 ◽  
Author(s):  
Daniel Tang
Keyword(s):  
Real World ◽  
Null Model ◽  
The State ◽  
Actual State ◽  
Agent Based Models ◽  
Agent Based ◽  
Predator Prey ◽  
Predator Prey Model ◽  
The One ◽  
The Relationship

Agent-based models are a powerful tool for studying the behaviour of complex systems that can be described in terms of multiple, interacting ``agents''. However, because of their inherently discrete and often highly non-linear nature, it is very difficult to reason about the relationship between the state of the model, on the one hand, and our observations of the real world on the other. In this paper we consider agents that have a discrete set of states that, at any instant, act with a probability that may depend on the environment or the state of other agents. Given this, we show how the mathematical apparatus of quantum field theory can be used to reason probabilistically about the state and dynamics the model, and describe an algorithm to update our belief in the state of the model in the light of new, real-world observations. Using a simple predator-prey model on a 2-dimensional spatial grid as an example, we demonstrate the assimilation of incomplete, noisy observations and show that this leads to an increase in the mutual information between the actual state of the observed system and the posterior distribution given the observations, when compared to a null model.

Bastard Feudalism and the Framing of Thirteenth-Century England

2018 ◽  
Author(s):  
Peter Coss
Keyword(s):  
Middle Ages ◽  
Thirteenth Century ◽  
Twelfth Century ◽  
The State ◽  
The Other ◽  
Great Work ◽  
Early Middle Ages ◽  
The One ◽  
The Relationship

In the introduction to his great work of 2005, Framing the Early Middle Ages, Chris Wickham urged not only the necessity of carefully framing our studies at the outset but also the importance of closely defining the words and concepts that we employ, the avoidance ‘cultural sollipsism’ wherever possible and the need to pay particular attention to continuities and discontinuities. Chris has, of course, followed these precepts on a vast scale. My aim in this chapter is a modest one. I aim to review the framing of thirteenth-century England in terms of two only of Chris’s themes: the aristocracy and the state—and even then primarily in terms of the relationship between the two. By the thirteenth century I mean a long thirteenth century stretching from the period of the Angevin reforms of the later twelfth century on the one hand to the early to mid-fourteenth on the other; the reasons for taking this span will, I hope, become clearer during the course of the chapter, but few would doubt that it has a validity.

scholarly journals DEBATE OF ISLAM AND COUNTRIES IN THE CONSTITUANTE BOARD, 1956-1959

2019 ◽  
Vol 2 ◽  
pp. 155-174
Author(s):  
Heri Herdiawanto ◽  
Valina Singka Subekti
Keyword(s):  
Research Method ◽  
Islamic Law ◽  
Secondary Data ◽  
The State ◽  
Islamic State ◽  
Basic Group ◽  
Constituent Assembly ◽  
Library Research ◽  
The One ◽  
The Relationship

This study examines Hamka's political thinking about Islam and the State in the Basic State debate that took place in the Constituent Assembly 1956-1959. Hamka belongs to the basic group of defenders of the Islamic state with Mohammad Natsir in the Masyumi faction, fighting for Islamic law before other factions namely the Nationalists, Communists, Socialists, Catholics-Protestants and members of the Constituent Assembly who are not fractured. Specifically examines the issue of why Islam is fought for as a state basis by Hamka. and how Hamka thought about the relationship between Islam and the state. The research method used is a type of library research with literature studies or documents consisting of primary and secondary data and reinforced by interviews. The theory used in this study is the theory of religious relations (Islam) and the state. This study found the first, according to Hamka, the Islamic struggle as the basis of the state was as a continuation of the historical ideals of the Indonesian national movement. The second was found that the constituent debate was the repetition of Islamic and nationalist ideological debates in the formulation of the Jakarta Charter. Third, this study also found Hamka's view that the One and Only God Almighty means Tauhid or the concept of the Essence of Allah SWT. The implication of this research theory is to strengthen Islamic thinking legally formally, that is thinking that requires Islam formally plays a major role in state life. The conclusion is that Indonesian society is a heterogeneous society in terms of religion. This means that constitutionally the state recognizes the diversity of religions embraced by the Indonesian people and guarantees the freedom of every individual to embrace religion and realize the teachings he believes in all aspects of life. Hamka in the Constituent Assembly stated that the struggle to establish a state based on Islam rather than a secular state for Islamic groups was a continuation of the ideals of historical will.

scholarly journals The Left and the Church in Greece: The ambiguity of political and religious domain relationships

2017 ◽  
Vol 20 ◽  
pp. 103-134
Author(s):  
Niki Papageorgiou
Keyword(s):  
The State ◽  
Left Wing ◽  
Government Power ◽  
Full Independence ◽  
Leftist Party ◽  
New Policies ◽  
One Year ◽  
The One ◽  
The Relationship ◽  
The Church

The occupation of government power by a leftist party in Greece (in January 2015) has formed a new political landscape and given rise to new political expectations after a long period of administration by the so-called system parties. The left-wing party, SYRIZA, was voted by Greek citizens as a new political force that could bring new policies, as it had the ambition to solve the country’s economic problems, bring social justice and tackle the severe humanitarian crisis caused by the recent long economic crisis. Regarding the religious field, the fixed aim of leftist parties was the separation between the State and the Church, which would lead to the full independence of the State from any religious or ecclesiastical influence, as well as the seizure of church assets by the State, the obligation for the clergy’s payroll to be covered by the Church, and similar demands regarding many other issues that shape the relationship between the State and the Church in Greece. This paper investigates especially the relationship between SYRIZA and the Church of Greece during the one-year period of the left-wing government, through the official discourse and political practices of the governing leftist party. For this purpose, the left-wing government’s political practices and stance towards the “religious issue,” as they are expressed by the party’s official press medium, the Avgi newspaper, are analyzed.

scholarly journals Dynamical behavior of a stochastic predator-prey model with general functional response and nonlinear jump-diffusion

2021 ◽  
Vol 0 (0) ◽  
pp. 0
Author(s):  
Xinhong Zhang ◽  
Qing Yang
Keyword(s):  
Functional Response ◽  
Dynamical Behavior ◽  
Uniform Boundedness ◽  
Jump Diffusion ◽  
Necessary Condition ◽  
Predator Prey ◽  
Predator Prey Model ◽  
Prey Model ◽  
A New Technique ◽  
The One

<p style='text-indent:20px;'>In this paper, we consider a stochastic predator-prey model with general functional response, which is perturbed by nonlinear Lévy jumps. Firstly, We show that this model has a unique global positive solution with uniform boundedness of <inline-formula><tex-math id="M1">\begin{document}$ \theta\in(0,1] $\end{document}</tex-math></inline-formula>-th moment. Secondly, we obtain the threshold for extinction and exponential ergodicity of the one-dimensional Logistic system with nonlinear perturbations. Then based on the results of Logistic system, we introduce a new technique to study the ergodic stationary distribution for the stochastic predator-prey model with general functional response and nonlinear jump-diffusion, and derive the sufficient and almost necessary condition for extinction and ergodicity.</p>

scholarly journals Evolution of the Concept of Citizenship in the Islamic Thought: An Analysis

2020 ◽  
Vol 2 (1) ◽  
pp. 121-141
Author(s):  
Osama Sami AL-Nsour
Keyword(s):  
The State ◽  
The Past ◽  
Islamic Thought ◽  
State And Society ◽  
The Government ◽  
The One ◽  
The Individual ◽  
Islamic Civilization ◽  
Political Economic ◽  
The Relationship

The concept of citizenship is one of the pillars upon which the modern civil state was built. The concept of citizenship can be considered as the basic guarantee for both the government and individuals to clarify the relationship between them, since under this right individuals can acquire and apply their rights freely and also based on this right the state can regulate how society members perform the duties imposed on them, which will contributes to the development of the state and society .The term citizenship has been used in a wider perspective, itimplies the nationality of the State where the citizen obtains his civil, political, economic, social, cultural and religious rights and is free to exercise these rights in accordance with the Constitution of the State and the laws governing thereof and without prejudice to the interest. In return, he has an obligation to perform duties vis-à-vis the state so that the state can give him his rights that have been agreed and contracted.This paper seeks to explore firstly, the modern connotation of citizenship where it is based on the idea of rights and duties. Thus the modern ideal of citizenship is based on the relationship between the individual and the state. The Islamic civilization was spanned over fourteen centuries and there were certain laws and regulations governing the relationship between the citizens and the state, this research will try to discover the main differences between the classical concept of citizenship and the modern one, also this research will show us the results of this change in this concept . The research concludes that the new concept of citizenship is correct one and the one that can fit to our contemporary life and the past concept was appropriate for their time but the changes in the world force us to apply and to rethink again about this concept.

scholarly journals Moving Toward Neo-Totalitarianism: A Political-Sociological Analysis of the Evolution of Administrative Absorption of Society in China

2018 ◽  
Vol 9 (1) ◽  
Author(s):  
Xiaoguang Kang
Keyword(s):  
Nonprofit Organizations ◽  
Nonprofit Sector ◽  
The State ◽  
The Other ◽  
Sociological Analysis ◽  
State Capitalism ◽  
Laws And Policies ◽  
The One ◽  
The Relationship ◽  
Three Phases

AbstractChina recently promulgated and revised a number of laws, regulations and measures to regulate the nonprofit sector. All these administrative efforts increase support for Chinese nonprofit organizations (NPOs) on the one hand and put unprecedented pressure on them on the other. The seemingly contradictory effects are actually based on the same logic of Administrative Absorption of Society (AAS). This article proposes three phases in the development of AAS: an subconscious phase, a theory-modeling phase, and an institutionalization phase. The institutionalization of AAS has led to the rise of neo-totalitarianism, which is featured by state capitalism, unlimited government, and a mixed ideology of Marxism and Confucianism. Neo-totalitarianism further strengthens AAS and has begun to reshape the relationship between the state and the nonprofit sector. This article analyzes China’s nonprofit policymaking from a sociopolitical perspective, and clarifies the context, the characteristics, and the evolution of laws and policies in the nonprofit sector in macrocosm.

Between ethics and politics: Gramsci's theory of intellectuals

Modern Italy ◽  
1998 ◽  
Vol 3 (01) ◽  
pp. 67-85 ◽  
Author(s):  
James Martin
Keyword(s):  
The State ◽  
The Other ◽  
Modern Conception ◽  
Revolutionary Party ◽  
The One ◽  
The Relationship ◽  
Ethics And Politics

SummaryThis article examines Gramsci's theory of intellectuals in the light of Bauman's distinction between ‘legislators’ and ‘interpreters’. By distinguishing descriptive and prescriptive dimensions to Gramsci's theory, it is possible to see a tension between the dual ethical and political functions that he attributes to ‘organic intellectuals’. In the one, Gramsci effectively deconstructs the intellectual's role as the bearer of universal knowledge, while in the other he reconstructs that role through an emphasis on the revolutionary party. It is argued that the tensions in Gramsci's theory stem from his attachment to a peculiarly modern conception of the relationship between intellectuals, culture and the state.

scholarly journals Probematika Agama dan Negara: Perspektif Sejarah

2019 ◽  
Vol 25 (1) ◽  
pp. 75-91
Author(s):  
Zakiya Darajat
Keyword(s):  
Historical Perspective ◽  
Religion And Politics ◽  
The State ◽  
Religious Values ◽  
First Principle ◽  
Symbiotic Mutualism ◽  
Religion And State ◽  
The One ◽  
Public Reaction ◽  
The Relationship

Discourse on the relationship between religion and state seems to be a discourse that never ends to be discussed. The emergence of a statement of President Jokowi on March 24, 2017 which discourse the separation between religion and politics immediately launched a public reaction. Some agreed, but many also criticized. For those who agree with the statement Jokowi reasoned that religion is often used as a politician tool that has the potential to divide the nation. But for those who reject Jokowi's statements argue that the separation of religion from the state is the same as denying the basis and philosophy of the state which has historically been extracted from the values of the religiosity of the Indonesian nation itself. Using historical, sociological and political approaches, this article intends to analyze how discourses on the relation between religion and state taking place in Indonesia in the historical perspective, as well as the problems it causes. This paper proves that although experiencing ups and downs, judging from the historical geneologi, the life of the nation and the state of Indonesia can not be separated from the values of religiosity. Both are always symbiotic mutualism. Putting the Godhead of the One Supreme God as the first principle in Pancasila, is in fact an acknowledgment of the importance of religious values in the life of the nation and the state.---Diskursus tentang relasi antara agama dan negara seolah menjadi wacana yang tak pernah usai untuk dibahas. Munculnya statemen Presiden Jokowi pada 24 Maret 2017 yang mewacanakan pemisahan antara agama dan politik segera menyeruakkan reaksi publik. Ada yang mengiyakan, tapi banyak juga yang mengecam. Bagi yang setuju dengan statemen Jokowi beralasan bahwa agama sering kali dijadikan sebagai alat politisasi yang berpotensi memecah belah bangsa. Namun bagi mereka yang menolak statemen Jokowi berargumentasi bahwa upaya pemisahan agama dari negara sama halnya dengan mengingkari dasar dan falsafah negara yang secara historis justru digali dari nilai-nilai religiusitas bangsa Indonesia itu sendiri. Dengan menggunakan pendekatan sejarah, sosiologis dan politik, artikel ini bermaksud menganalisis bagaimana diskursus tentang relasi antara agama dan negara yang terjadi di Indonesia dalam perspektif sejarah, serta problematika yang ditimbulkannya. Tulisan ini membuktikan bahwa meskipun mengalami pasang surut, dilihat dari geneologi kesejarahan, kehidupan berbangsa dan bernegara Indonesia tidak bisa dilepaskan dari nilai-nilai religiusitas. Keduanya senantiasa bersimbiosis mutualisme. Diletakkannya Sila Ketuhanan Yang Maha Esa sebagai sila pertama dalam Pancasila, sejatinya merupakan  sebuah pengakuan akan pentingnya nilai-nilai religiusitas dalam kehidupan berbangsa dan bernegara.

scholarly journals Second-order agent-based models of emergent behaviour of Dictyostelium discoideum and their inspiration for swarm robotics

2020 ◽  
Vol 25 (4) ◽  
pp. 656-665
Author(s):  
Mohammad Parhizkar ◽  
Giovanna Di Marzo Serugendo ◽  
Jahn Nitschke ◽  
Louis Hellequin ◽  
Assane Wade ◽  
...  
Keyword(s):  
Dictyostelium Discoideum ◽  
Swarm Robotics ◽  
Second Order ◽  
Transition Phase ◽  
Agent Based Models ◽  
Agent Based ◽  
Emergent Behaviour ◽  
The Impact ◽  
The Relationship ◽  
Selection Of

Abstract By studying and modelling the behaviour of Dictyostelium discoideum, we aim at deriving mechanisms useful for engineering collective artificial intelligence systems. This paper discusses a selection of agent-based models reproducing second-order behaviour of Dictyostelium discoideum, occurring during the migration phase; their corresponding biological illustrations; and how we used them as an inspiration for transposing this behaviour into swarms of Kilobots. For the models, we focus on: (1) the transition phase from first- to second-order emergent behaviour; (2) slugs’ uniform distribution around a light source; and (3) the relationship between slugs’ speed and length occurring during the migration phase of the life cycle of D. discoideum. Results show the impact of the length of the slug on its speed and the effect of ammonia on the distribution of slugs. Our computational results show similar behaviour to our biological experiments, using Ax2(ka) strain. For swarm robotics experiments, we focus on the transition phase, slugs’ chaining, merging and moving away from each other.

Exploring Emergence within Social Systems with Agent Based Models

2014 ◽  
pp. 52-71 ◽  
Author(s):  
Marcia R. Friesen ◽  
Richard Gordon ◽  
Robert D. McLeod
Keyword(s):  
Modeling And Simulation ◽  
Real World ◽  
Research Group ◽  
Social Systems ◽  
Emergent Behavior ◽  
Agent Based Models ◽  
Social Modeling ◽  
Agent Based ◽  
Global Parameters ◽  
Representative Samples

In this chapter, the authors examine manifestations of emergence or apparent emergence in agent based social modeling and simulation, and discuss the inherent challenges in building real world models and in defining, recognizing and validating emergence within these systems. The discussion is grounded in examples of research on emergence by others, with extensions from within our research group. The works cited and built upon are explicitly chosen as representative samples of agent-based models that involve social systems, where observation of emergent behavior is a sought-after outcome. The concept of the distinctiveness of social from abiotic emergence in terms of the use of global parameters by agents is introduced.

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