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1. |
Record Nr. |
UNINA9910160825203321 |
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Autore |
Tolstoy Leo |
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Titolo |
The Candle |
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Pubbl/distr/stampa |
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Chicago : , : Otbebookpublishing, , 2015 |
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©2015 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (11 p.) |
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Collana |
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Disciplina |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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"The Candle" is a short story by Leo Tolstoy. It centres on the cruelty of Michael Simeonovitch, who persecutes the peasants. "It was in the time of serfdom..." begins the first line of the story. Tolstoy's narrative focuses on a particular character who misused his power of government to bring "outrageous cruelties upon the serfs who had been placed under his control." He forced the peasantry to do excessive labor, striking terror in his subjects. The people began to plan how to remove this "intolerable yoke," holding secret meetings "to bewail their misery." By the end of "The Candle," Michael Simeonovitch, the superintendent, succumbs to a fatal accident and the serfs are freed. |
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2. |
Record Nr. |
UNINA9910254283203321 |
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Autore |
Hadeler Karl-Peter |
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Titolo |
Cellular automata: analysis and applications / / by Karl-Peter Hadeler, Johannes Müller |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017 |
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ISBN |
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Edizione |
[1st ed. 2017.] |
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Descrizione fisica |
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1 online resource (XI, 467 p. 78 illus., 3 illus. in color.) |
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Collana |
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Springer Monographs in Mathematics, , 1439-7382 |
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Disciplina |
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Soggetti |
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Dynamics |
Ergodic theory |
System theory |
Mathematical physics |
Biomathematics |
Dynamical Systems and Ergodic Theory |
Complex Systems |
Mathematical Applications in the Physical Sciences |
Mathematical and Computational Biology |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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1.Introduction -- 2.Cellular automata - basic definitions -- 3.Cantor topology of cellular automata -- 4.Besicovitch and Weyl topologies -- 5 Attractors -- 6 Chaos and Lyapunov stability -- 7 Language classification of Kůrka -- 8.Turing machines, tiles, and computability -- 9 Surjectivity and injectivity of global maps -- 10.Linear Cellular Automata -- 11 Particle motion -- 12 -- Pattern formation -- 13.Applications in various areas -- A.Basic mathematical tools. |
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Sommario/riassunto |
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This book focuses on a coherent representation of the main approaches to analyze the dynamics of cellular automata. Cellular automata are an inevitable tool in mathematical modeling. In contrast to classical modeling approaches as partial differential equations, cellular automata are straightforward to simulate but hard to analyze. In this book we present a review of approaches and theories that allow the reader to |
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understand the behavior of cellular automata beyond simulations. The first part consists of an introduction of cellular automata on Cayley graphs, and their characterization via the fundamental Cutis-Hedlund-Lyndon theorems in the context of different topological concepts (Cantor, Besicovitch and Weyl topology). The second part focuses on classification results: What classification follows from topological concepts (Hurley classification), Lyapunov stability (Gilman classification), and the theory of formal languages and grammars (Kůrka classification). These classifications suggest to cluster cellular automata, similar to the classification of partial differential equations in hyperbolic, parabolic and elliptic equations. This part of the book culminates in the question, whether properties of cellular automata are decidable. Surjectivity, and injectivity are examined, and the seminal Garden of Eden theorems are discussed. The third part focuses on the analysis of cellular automata that inherit distinct properties, often based on mathematical modeling of biological, physical or chemical systems. Linearity is a concept that allows to define self-similar limit sets. Models for particle motion show how to bridge the gap between cellular automata and partial differential equations (HPP model and ultradiscrete limit). Pattern formation is related to linear cellular automata, to the Bar-Yam model for Turing pattern, and Greenberg-Hastings automata for excitable media. Also models for sandpiles, the dynamics of infectious diseases and evolution of predator-prey systems are discussed. Mathematicians find an overview about theory and tools for the analysis of cellular automata. The book contains an appendix introducing basic mathematical techniques and notations, such that also physicists, chemists and biologists interested in cellular automata beyond pure simulations will benefit. |
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