Bibliographies thématiques / Random spreading

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Littérature scientifique sur le sujet « Random spreading »

Auteur : Grafiati
Publié le 1 février 2025

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Articles de revues sur le sujet "Random spreading"

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Xu, Feng, and Oliver E. Jensen. "Drop spreading with random viscosity." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2194 (2016): 20160270. http://dx.doi.org/10.1098/rspa.2016.0270.

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We examine theoretically the spreading of a viscous liquid drop over a thin film of uniform thickness, assuming the liquid’s viscosity is regulated by the concentration of a solute that is carried passively by the spreading flow. The solute is assumed to be initially heterogeneous, having a spatial distribution with prescribed statistical features. To examine how this variability influences the drop’s motion, we investigate spreading in a planar geometry using lubrication theory, combining numerical simulations with asymptotic analysis. We assume diffusion is sufficient to suppress solute conc
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Galam, S. "Minority opinion spreading in random geometry." European Physical Journal B 25, no. 4 (2002): 403–6. http://dx.doi.org/10.1140/epjb/e20020045.

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Vojta, Thomas, and Michael Schreiber. "Damage spreading in random field systems." Computer Physics Communications 121-122 (September 1999): 750. http://dx.doi.org/10.1016/s0010-4655(06)70153-9.

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Giorno, Virginia, and Serena Spina. "Rumor spreading models with random denials." Physica A: Statistical Mechanics and its Applications 461 (November 2016): 569–76. http://dx.doi.org/10.1016/j.physa.2016.06.070.

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Panagiotou, K., and L. Speidel. "Asynchronous Rumor Spreading on Random Graphs." Algorithmica 78, no. 3 (2016): 968–89. http://dx.doi.org/10.1007/s00453-016-0188-x.

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Vojta, Thomas. "Damage spreading in random field systems." Journal of Physics A: Mathematical and General 30, no. 18 (1997): L643—L649. http://dx.doi.org/10.1088/0305-4470/30/18/006.

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Chang, Ching-Lueh, and Yuh-Dauh Lyuu. "Spreading of Messages in Random Graphs." Theory of Computing Systems 48, no. 2 (2010): 389–401. http://dx.doi.org/10.1007/s00224-010-9258-7.

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Clementi, Andrea, Pierluigi Crescenzi, Carola Doerr, Pierre Fraigniaud, Francesco Pasquale, and Riccardo Silvestri. "Rumor spreading in random evolving graphs." Random Structures & Algorithms 48, no. 2 (2015): 290–312. http://dx.doi.org/10.1002/rsa.20586.

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Verdu, S., and S. Shamai. "Spectral efficiency of CDMA with random spreading." IEEE Transactions on Information Theory 45, no. 2 (1999): 622–40. http://dx.doi.org/10.1109/18.749007.

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Chiang, P. H., D. B. Lin, and H. J. Li. "SINR for DS-CDMA with random spreading." IEE Proceedings - Communications 153, no. 3 (2006): 419. http://dx.doi.org/10.1049/ip-com:20045235.

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Thèses sur le sujet "Random spreading"

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Laptyeva, Tetyana V. "Nonlinear waves in random lattices: localization and spreading." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-107881.

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Heterogeneity in lattice potentials (like random or quasiperiodic) can localize linear, non-interacting waves and halt their propagation. Nonlinearity induces wave interactions, enabling energy exchange and leading to chaotic dynamics. Understanding the interplay between the two is one of the topical problems of modern wave physics. In particular, one questions whether nonlinearity destroys localization and revives wave propagation, whether thresholds in wave energy/norm exist, and what the resulting wave transport mechanisms and characteristics are. Despite remarkable progress in the field, t
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Ertug, Ozgur. "Generalized Random Spreading Performance Analysis Of Cdma Over Gwssus Fading Channels." Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12607022/index.pdf.

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Since direct-sequence code-division multiple-access (DS-CDMA) is an interference-limited random multiple-access scheme, the reduction of co-channel interference with either interference suppression or interference cancellation multiuser receivers and/or power control to prevent detrimental near-far situations is vital for improved performance. Up to date, some contributions investigated randomly-spread asymptotically - large number of users and large bandwidth - large CDMA systems with multiuser receivers and power control via random matrix theoretic and free probability theoretic tools especi
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Pettarin, Alberto. "Graph Models of Information Spreading in Wireless Networks." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422448.

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This thesis investigates the structural properties of graph models of wireless networks, where autonomous agents communicate using radios in order to accomplish a predefined task. Ad hoc, sensor, and vehicle networks are perhaps the most familiar examples. The goal of this thesis is the analytical characterization of information spreading in graph models of wireless networks, since this fundamental process is a primitive needed to accomplish more complex tasks. The well-established graph-based approaches adopted when analyzing the behavior of “classical” distributed systems (e.g., P2P network
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Maier, Benjamin F. "Spreading Processes in Human Systems." Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/20950.

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Menschliche Systeme werden seit einiger Zeit modelliert und analysiert auf der Basis der Theorie komplexer Netzwerke. Dies erlaubt es quantitativ zu untersuchen, welche strukturellen und zeitlichen Merkmale eines Systems Ausbreitungsprozesse beeinflussen, z.B. von Informationen oder von Infektionskrankheiten. Im ersten Teil der Arbeit wird untersucht, wie eine modular-hierarchische Struktur von statischen Netzwerken eine schnelle Verbreitung von Signalen ermöglicht. Es werden neue Heuristiken entwickelt um die Random-Walk-Observablen “First Passage Time” und “Cover Time” auf lokal geclusterte
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Treloar, Katrina K. "Mathematical models for collective cell spreading." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/86960/1/Katrina_Treloar_Thesis.pdf.

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Collective cell spreading is frequently observed in development, tissue repair and disease progression. Mathematical modelling used in conjunction with experimental investigation can provide key insights into the mechanisms driving the spread of cell populations. In this study, we investigated how experimental and modelling frameworks can be used to identify several key features underlying collective cell spreading. In particular, we were able to independently quantify the roles of cell motility and cell proliferation in a spreading cell population, and investigate how these roles are influenc
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Laptyeva, Tetyana V. [Verfasser], Roderich [Akademischer Betreuer] Moessner, and Arcady [Akademischer Betreuer] Pikovsky. "Nonlinear waves in random lattices: localization and spreading / Tetyana V. Laptyeva. Gutachter: Roderich Moessner ; Arcady Pikovsky. Betreuer: Roderich Moessner." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://d-nb.info/1068151722/34.

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Vo, Brenda. "Novel likelihood-free Bayesian parameter estimation methods for stochastic models of collective cell spreading." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/99588/1/Brenda_Vo_Thesis.pdf.

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Biological processes underlying skin cancer growth and wound healing are governed by various collective cell spreading mechanisms. This thesis develops new statistical methods to provide key insights into the mechanisms driving the spread of cell populations such as motility, proliferation and cell-to-cell adhesion, using experimental data. The new methods allow us to precisely estimate the parameters of such mechanisms, quantify the associated uncertainty and investigate how these mechanisms are influenced by various factors. The thesis provides a useful tool to measure the efficacy of medica
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Taghavianfar, Mohsen. "An Investigation on Network Entropy-Gossiping Protocol and Anti-entropy Evaluation." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2684.

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This thesis is concerned with studying the behavior of a gossiping protocol in the specific sense meant by Ericsson; in the following pages I’ll introduce a Markov process which models the spread of information in such systems. The results will be verified by means of a discreet-event simulation.<br>Gossiping Protocols, are inherently random in behavior.Nonetheless, they are not structure-less. Their asymptotic behavior when implemented in large scales is the matter of focus in this thesis.<br>Tel: +46709700505 Address: Pinnharvsgatan 3 E lgh 1202 43147 Mölndal Sweden
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Rehman, Abdul. "Practical watermarking for multimedia traitor tracing." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2024. http://www.theses.fr/2024IMTA0450.

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La popularité des téléphones portables, des appareils photo numériques et des ordinateurs personnels a modifié la création, la consommation et le partage des contenus multimédias. Cela pose le problème de la duplication à l’infini, du téléchargement non autorisé et de la redistribution illégale. À l’ère de la distribution généralisée des informations numériques, il est plus important que jamais de développer des solutions fiables et solides pour éviter la distribution illégale. Un système d’empreinte multimédia est un moyen efficace de protéger le contenu multimédia et d’empêcher la distributi
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Laptyeva, Tetyana V. "Nonlinear waves in random lattices: localization and spreading." Doctoral thesis, 2012. https://tud.qucosa.de/id/qucosa%3A26725.

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Heterogeneity in lattice potentials (like random or quasiperiodic) can localize linear, non-interacting waves and halt their propagation. Nonlinearity induces wave interactions, enabling energy exchange and leading to chaotic dynamics. Understanding the interplay between the two is one of the topical problems of modern wave physics. In particular, one questions whether nonlinearity destroys localization and revives wave propagation, whether thresholds in wave energy/norm exist, and what the resulting wave transport mechanisms and characteristics are. Despite remarkable progress in the field, t
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Livres sur le sujet "Random spreading"

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Reimer, Jacob. 100 Days Of Kindness: Spreading Happiness, Joy, and Love with 100 Acts of Random Kindness! Watchtower Publishing, 2014.

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Thurner, Stefan, Peter Klimek, and Rudolf Hanel. Introduction to the Theory of Complex Systems. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198821939.001.0001.

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This book is a comprehensive introduction to quantitative approaches to complex adaptive systems. Practically all areas of life on this planet are constantly confronted with complex systems, be it ecosystems, societies, traffic, financial markets, opinion formation, epidemic spreading, or the internet and social media. Complex systems are systems composed of many elements that interact with each other, which makes them extremely rich dynamical systems showing a huge range of phenomena. Properties of complex systems that are of particular importance are their efficiency, robustness, resilience,
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Chapitres de livres sur le sujet "Random spreading"

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Panagiotou, Konstantinos, and Leo Speidel. "Asynchronous Rumor Spreading on Random Graphs." In Algorithms and Computation. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-45030-3_40.

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Clementi, Andrea, Pierluigi Crescenzi, Carola Doerr, et al. "Rumor Spreading in Random Evolving Graphs." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40450-4_28.

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Zimeras, Stelios. "Spreading Disease Modeling Using Markov Random Fields." In The Springer Series on Demographic Methods and Population Analysis. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93005-9_10.

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Fountoulakis, Nikolaos, and Konstantinos Panagiotou. "Rumor Spreading on Random Regular Graphs and Expanders." In Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15369-3_42.

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Resseguier, Valentin, Yicun Zhen, and Bertrand Chapron. "Constrained Random Diffeomorphisms for Data Assimilation." In Mathematics of Planet Earth. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-40094-0_13.

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AbstractFor ensemble-based data assimilation purposes, there is a definite need for relevant ensemble sampling tools. Indeed, the quality and spreading of these ensembles have deep implications in the quality of the data assimilation, and—until recently—those so-called covariance inflation tools have mostly relied on unsuitable linear Gaussian frameworks. A promising alternative is the generation of ensembles through a stochastic remapping of the physical space.
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Sabetghadam, Serwah, Mihai Lupu, and Andreas Rauber. "Which One to Choose: Random Walks or Spreading Activation?" In Lecture Notes in Computer Science. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12979-2_11.

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Qin, Bo, and Cunlai Pu. "Identifying Sources of Random Walk-Based Epidemic Spreading in Networks." In Machine Learning and Intelligent Communications. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32388-2_32.

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Aubry, Serge. "Diffusion Without Spreading of a Wave Packet in Nonlinear Random Models." In Chaos, Fractals and Complexity. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-37404-3_1.

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Dodds, Peter Sheridan. "A Simple Person’s Approach to Understanding the Contagion Condition for Spreading Processes on Generalized Random Networks." In Computational Social Sciences. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-77332-2_2.

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Iannuzzi, Davide. "Random thoughts worth spreading." In Entrepreneurship for Physicists A practical guide to move inventions from university to market. IOP Publishing, 2017. http://dx.doi.org/10.1088/978-1-6817-4668-5ch7.

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Actes de conférences sur le sujet "Random spreading"

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Rosine, Germanicus, and El-Hassani Othman. "Machine Learning for Predicting DataCube Atomic Force Microscope (AFM)—MultiDAT-AFM." In ISTFA 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.istfa2024p0351.

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Abstract In nanoscience, techniques based on Atomic Force Microscope (AFM) stand as a cornerstone for exploring local electrical, electrochemical and magnetic properties of microelectronic devices at the nanoscale. As AFM's capabilities evolve, so do the challenges of data analysis. With the aim of developing a prediction model for AFM mappings, based on Machine Learning, this work presents a step towards the analysis and benefit of Big Data recorded in the hyperspectral modes: AFM DataCube. The MultiDAT-AFM solution is an advanced 2000-line Python-based tool designed to tackle the complexitie
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Bechini, Alessio, Adriano Donato De Matteis, Francesco Marcelloni, and Armando Segatori. "Spreading fuzzy random forests with MapReduce." In 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC). IEEE, 2016. http://dx.doi.org/10.1109/smc.2016.7844638.

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Penso, Lucia Draque. "Session details: Information spreading, random walks." In PODC '12: ACM Symposium on Principles of Distributed Computing. ACM, 2012. http://dx.doi.org/10.1145/3245049.

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Fulghum, T. L., and G. E. Bottomley. "Matched filter bounds for low spreading factor DS-CDMA with random spreading sequences." In 2003 IEEE 58th Vehicular Technology Conference. VTC 2003-Fall (IEEE Cat. No.03CH37484). IEEE, 2003. http://dx.doi.org/10.1109/vetecf.2003.1285151.

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Hao, Yaohui, Hongbo Liu, Jiajia Sun, and Liwei Gao. "Spreading Dynamics of Random Walks in Complex Networks." In ICIT 2020: IoT and Smart City. ACM, 2020. http://dx.doi.org/10.1145/3446999.3447026.

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Su, Yiwei, Jianping Zheng, Zijie Liang, and Jie Ni. "Massive MIMO Enabled Unsourced Random Access Through LDPC Coding and Random Spreading." In 2022 IEEE 22nd International Conference on Communication Technology (ICCT). IEEE, 2022. http://dx.doi.org/10.1109/icct56141.2022.10073330.

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Liang, Zijie, Yiwei Su, Huiying Song, Kazuhiko Fukawa, and Yuyuan Chang. "A Slotted Polar Random Spreading Scheme for Massive MIMO Unsourced Random Access." In 2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall). IEEE, 2023. http://dx.doi.org/10.1109/vtc2023-fall60731.2023.10333807.

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Huang, Xiangyang, LiGuo Huang, Shudong Zhang, Lijuan Zhou, Minhua Wu, and Mingrui Chen. "Improving Random Test Sets Using a Locally Spreading Approach." In 2017 IEEE International Conference on Software Quality, Reliability and Security (QRS). IEEE, 2017. http://dx.doi.org/10.1109/qrs.2017.13.

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Preciado, Victor M., and Ali Jadbabaie. "Spectral analysis of virus spreading in random geometric networks." In 2009 Joint 48th IEEE Conference on Decision and Control (CDC) and 28th Chinese Control Conference (CCC). IEEE, 2009. http://dx.doi.org/10.1109/cdc.2009.5400615.

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Pradhan, Asit Kumar, Vamsi K. Amalladinne, Krishna R. Narayanan, and Jean-Francois Chamberland. "Polar Coding and Random Spreading for Unsourced Multiple Access." In ICC 2020 - 2020 IEEE International Conference on Communications (ICC). IEEE, 2020. http://dx.doi.org/10.1109/icc40277.2020.9148687.

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Rapports d'organisations sur le sujet "Random spreading"

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Wilson, D., Matthew Kamrath, Caitlin Haedrich, Daniel Breton, and Carl Hart. Urban noise distributions and the influence of geometric spreading on skewness. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42483.

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Statistical distributions of urban noise levels are influenced by many complex phenomena, including spatial and temporal variations in the source level, multisource mixtures, propagation losses, and random fading from multipath reflections. This article provides a broad perspective on the varying impacts of these phenomena. Distributions incorporating random fading and averaging (e.g., gamma and noncentral Erlang) tend to be negatively skewed on logarithmic (decibel) axes but can be positively skewed if the fading process is strongly modulated by source power variations (e.g., compound gamma).
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