Добірка наукової літератури з теми "Entropic gravity"

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Статті в журналах з теми "Entropic gravity"

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Feng, Zhong-Wen, and Shu-Zheng Yang. "Rainbow Gravity Corrections to the Entropic Force." Advances in High Energy Physics 2018 (2018): 1–8. http://dx.doi.org/10.1155/2018/5968284.

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The entropic force attracts a lot of interest for its multifunctional properties. For instance, Einstein’s field equation, Newton’s law of gravitation, and the Friedmann equation can be derived from the entropic force. In this paper, utilizing a new kind of rainbow gravity model that was proposed by Magueijo and Smolin, we explore the quantum gravity corrections to the entropic force. First, we derive the modified thermodynamics of a rainbow black hole via its surface gravity. Then, according to Verlinde’s theory, the quantum corrections to the entropic force are obtained. The result shows tha
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CHEN, PISIN, and CHIAO-HSUAN WANG. "QUANTUM CORRECTIONS TO ENTROPIC GRAVITY." Modern Physics Letters A 28, no. 03 (2013): 1340010. http://dx.doi.org/10.1142/s0217732313400105.

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The entropic gravity scenario recently proposed by Erik Verlinde reproduced Newton's law of purely classical gravity yet the key assumptions of this approach all have quantum mechanical origins. As is typical for emergent phenomena in physics, the underlying, more fundamental physics often reveals itself as corrections to the leading classical behavior. So one naturally wonders: where is ℏ hiding in entropic gravity? To address this question, we first revisit the idea of holographic screen as well as entropy and its variation law in order to obtain a self-consistent approach to the problem. Ne
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Sefiedgar, Akram Sadat. "How can rainbow gravity affect gravitational force?" International Journal of Modern Physics D 25, no. 14 (2016): 1650101. http://dx.doi.org/10.1142/s0218271816501017.

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According to Verlinde’s recent proposal, the gravity is originally an entropic force. In this paper, we obtain the corrections to the entropy-area law of black holes within rainbow gravity. The corrected entropy-area law leads to the modifications of the number of bits [Formula: see text]. Inspired by Verlinde’s argument on the entropic force, and using the modified number of bits, we can investigate the effects of rainbow gravity on the modified Newtonian dynamics, Newton’s law of gravitation, and Einstein’s general relativity in entropic force approach.
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denis, olivier. "Entropic Information Theory: Formulae and Quantum Gravity; Bits from Bit." Physical Science International Journal 25, no. 9 (2021): 23–30. https://doi.org/10.9734/psij/2021/v25i930281.

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We show here that entropic information is capable of unifying all aspects of the universe at all scales in a coherent and global theoretical mathematical framework materialized by entropic information framework, theory and formulas, where dark matter, dark energy and gravity are truly informationals processes and where information is code and code is what creates the process, it is itself the process. Mass, energy and movement of information are respectively dark matter, dark energy, and gravity. Here, we reconcile general relativity and quantum mechanics by introducing quantum gravity for the
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Pérez-Cuéllar, Gemma, and Miguel Sabido. "On Planetary Orbits, Ungravity and Entropic Gravity." Universe 10, no. 10 (2024): 386. http://dx.doi.org/10.3390/universe10100386.

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In previous works, entropic gravity and ungravity have been considered as possible solutions to the dark energy and dark matter problems. To test the viability of these models, modifications to planetary orbits are calculated for ungravity and different models of entropic gravity. Using the gravitational sector of unparticles, an equation for the contribution to the effect of orbital precession is obtained. We conclude that the estimated values for the ungravity parameters from planetary orbits are inconsistent with the values needed for the cosmological constant. The same ideas are explored f
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García-Islas, J. Manuel. "Entropic motion in loop quantum gravity." Canadian Journal of Physics 94, no. 6 (2016): 569–73. http://dx.doi.org/10.1139/cjp-2015-0730.

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Entropic forces result from an increase of the entropy of a thermodynamical physical system. It has been proposed that gravity is such a phenomenon and many articles have appeared in the literature concerning this problem. We propose a method that may reproduce an entropic force and may be related to loop quantum gravity. By considering the interaction between a fixed gravity state space and a particle state in loop quantum gravity, we show that it leads to a mathematical description of a random walk of such a particle. The random walk, in special situations, can be seen as an entropic motion
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Senay, Mustafa, and Salih Kibaroğlu. "q-deformed Einstein equations from entropic force." International Journal of Modern Physics A 33, no. 36 (2018): 1850218. http://dx.doi.org/10.1142/s0217751x18502184.

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In this study, we investigate the influences of fermionic q-deformation on the Einstein equations by taking into account of Verlinde’s entropic gravity approach and Strominger’s proposal on quantum black holes. According to Verlinde’s proposal, gravity is interpreted as an entropic force. Moreover, Strominger’s suggestion claims that extremal black holes obey deformed statistics instead of the standard Bose or Fermi statistics. Inspired by Verlinde’s and Strominger’s suggestions, we represent some thermostatistical functions of VPJC-type q-deformed fermion gas model for the high-temperature li
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Plastino, Angelo, and Mario Carlos Rocca. "Entropic Forces and Newton’s Gravitation." Entropy 22, no. 3 (2020): 273. http://dx.doi.org/10.3390/e22030273.

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Our subject of interest here is entropic forces, as re-interpreted by Verlinde with reference to gravitation, that is, by appealing to Verlinde’s conception of an entropic (statistically emergent) gravity advanced in [Physica A 2018, 511, 139]. In a canonical ensemble framework, we will deal with a non relativistic quantum scenario. In it, we perform a non-relativistic Schrödinger treatment (ST) of gravity as an entropic force and are able to detect new kinds of bounded quantum gravitational states, not previously reported. These new bound states would provide us with a novel energy-source, no
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Yang, Rongjia. "Is Gravity Entropic Force?" Entropy 16, no. 8 (2014): 4483–88. http://dx.doi.org/10.3390/e16084483.

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Wang, Tower. "Modified entropic gravity revisited." Science China Physics, Mechanics & Astronomy 57, no. 9 (2014): 1623–29. http://dx.doi.org/10.1007/s11433-014-5545-7.

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Дисертації з теми "Entropic gravity"

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Pranzetti, Daniele. "TQFT and Loop Quantum Gravity : 2+1 Theory and Black Hole Entropy." Thesis, Aix-Marseille 1, 2011. http://www.theses.fr/2011AIX10032.

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Ce travail de thèse se concentre sur l'approche non-perturbative canonique à la formulation d'une théorie quantique de la gravitation dans le cadre de la Gravitation quantique à boucles (LQG), répondant à deux problèmes majeurs. Dans la première partie, nous étudions la possible quantification, dans le cadre de la LQG, de la gravité en trois dimensions avec constante cosmologique et nous essayons de prendre contact avec autres approches de quantification déjà existantes dans la littérature. Dans la deuxième partie, nous nous concentrons sur une application très importante de la LQG: la définit
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Nishioka, Tatsuma. "Black Hole Entropy in Gauge/Gravity Duality." 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/120652.

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Flory, Mario [Verfasser], and Johanna [Akademischer Betreuer] Erdmenger. "Entanglement and defect entropies in gauge/gravity duality / Mario Flory. Betreuer: Johanna Erdmenger." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2016. http://d-nb.info/1112465731/34.

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Yokokura, Yuki. "A Self-consistent Model of the Black Hole Evaporation and Entropy in Gravity." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/188488.

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Michel, Marco [Verfasser], and Georgi [Akademischer Betreuer] Dvali. "Quantum gravity and quantum information : on systems of enhanced microstate entropy / Marco Michel ; Betreuer: Georgi Dvali." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2021. http://d-nb.info/1241963835/34.

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Petrov, Pavel. "Effect of Curvature Squared Corrections to Gravitational Action on Viscosity-to-Entropy Ratio of the Dual Gauge Theory." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10549.

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In this thesis we study the properties of strongly-coupled large-N conformal field theories (CFT’s) using AdS/CFT correspondence. Chapter 1 serves as an introduction. In Chapter 2 we study the shear viscosity of strongly-coupled large-N conformal field theories. We find that it is affected by \(R^2\) corrections to the AdS action and present an example of 4D theory in which the the conjectured universal lower bound on viscosity-to-entropy ratio \(\eta/s > 1/4 \pi\) is violated by 1/N corrections. This fact proves that there is no universal lower bound of \(1/4 \pi\) on viscosity-to-entropy ratio
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Josset, Thibaut. "Vers une formulation covariante de la mécanique statistique." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0272.

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D’après la relativité générale, l’espace-temps n’est pas l’arène absolue imaginée par Newton, dans laquelle les particules se meuvent, sont créées ou annihilées. Au contraire, il s’agit d’un objet dynamique, identifié au champ gravitationnel, qui possède ses propres degrés de liberté locaux et, en tant que tel, peut être sujet à des fluctuations thermiques. Une meilleure compréhension des propriétés statistiques de ces fluctuations locales est essentielle pour la cosmologie primordiale, la gravité quantique, ou encore l’étude des trous noirs. Malheureusement, l’application de la mécanique stat
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Kissler, Stephen Michael. "Geographic and demographic transmission patterns of the 2009 A/H1N1 influenza pandemic in the United States." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/273772.

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This thesis describes how transmission of the 2009 A/H1N1 influenza pandemic in the United States varied geographically, with emphasis on population distribution and age structure. This is made possible by the availability of medical claims records maintained in the private sector that capture the weekly incidence of influenza-like illness in 834 US cities. First, a probabilistic method is developed to infer each city's outbreak onset time. This reveals a clear wave-like pattern of transmission originating in the south-eastern US. Then, a mechanistic mathematical model is constructed to descri
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Sanders, Jessica R. "Actions/Objects: A Knotting." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1276036952.

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Ingram, David. "Using systems theory to do philosophy : one approach, and some suggested terminology : a thesis submitted in fulfilment of the requirements for the degree of Master of Arts in Philosophy in the University of Canterbury /." Thesis, University of Canterbury. Philosophy and Religious Studies, 2007. http://hdl.handle.net/10092/1022.

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This thesis employs perspectives inspired by General Systems Theory to address issues in philosophy, including moral philosophy and philosophy of mind. I present an overview of a range of ideas from the study of physical systems that may be used to provide a firm physicalist foundation to explorations of some common questions in philosophy. I divide these topics into three categories: the Physical Category, the Relevance Category and the Signal Elements Category. I interpret concepts from General Systems Theory, including information and entropy, in a way that I believe facilitates their incor
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Книги з теми "Entropic gravity"

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Energy and Entropy: A Dynamic Duo. Taylor & Francis Group, 2020.

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Leff, Harvey S. Energy and Entropy: A Dynamic Duo. Taylor & Francis Group, 2020.

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Leff, Harvey S. Energy and Entropy: A Dynamic Duo. Taylor & Francis Group, 2020.

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4

Leff, Harvey S. Energy and Entropy: A Dynamic Duo. Taylor & Francis Group, 2020.

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5

Energy and Entropy: A Dynamic Duo. Taylor & Francis Group, 2020.

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6

The negative exponential model: A synthesis of rank, gravity, and entropy functions in urban geography. Govind Ballabh Pant Social Science Institute, 1986.

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7

Sherwood, Dennis, and Paul Dalby. Ideal gas processes – and two ideal gas case studies too. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782957.003.0007.

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This chapter brings together, and builds on, the results from previous chapters to provide a succinct, and comprehensive, summary of all key relationships relating to ideal gases, including the heat and work associated with isothermal, adiabatic, isochoric and isobaric changes, and the properties of an ideal gas’s heat capacities at constant volume and constant pressure. The chapter also has two ‘case studies’ which use the ideal gas equations in broader, and more real, contexts, so showing how the equations can be used to tackle, successfully, more extensive systems. The first ‘case study’ is
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Francis, Balungi. What Is Real?: Space Time Singularities or Quantum Black Holes?Dark Matter or Planck Mass Particles? General Relativity or Quantum Gravity? Volume or Area Entropy Law? Independently Published, 2020.

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Частини книг з теми "Entropic gravity"

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Ong, Yen Chin. "Slaying Monsters: Do Hyper-Entropic Objects Exist in Quantum Gravity?" In Evolution of Black Holes in Anti-de Sitter Spacetime and the Firewall Controversy. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-48270-4_6.

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Sudarsky, Daniel. "On the Assignment of Entropy to Black Holes." In Quantum Gravity. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-45230-0_8.

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Yazdi, Yasaman K. "Entanglement Entropy and Causal Set Theory." In Handbook of Quantum Gravity. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-3079-9_83-1.

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Yazdi, Yasaman K. "Entanglement Entropy and Causal Set Theory." In Handbook of Quantum Gravity. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-99-7681-2_83.

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Kothawala, Dawood. "Accelerated Observers, Thermal Entropy, and Spacetime Curvature." In Gravity and the Quantum. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51700-1_12.

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Barbero G., J. Fernando, and Daniele Pranzetti. "Black Hole Entropy in Loop Quantum Gravity." In Handbook of Quantum Gravity. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-3079-9_104-1.

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Barbero G., J. Fernando, and Daniele Pranzetti. "Black Hole Entropy in Loop Quantum Gravity." In Handbook of Quantum Gravity. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-99-7681-2_104.

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Dou, D. "On Horizon Molecules and Entropy in Causal Sets." In Handbook of Quantum Gravity. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-3079-9_75-1.

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Dou, D. "On Horizon Molecules and Entropy in Causal Sets." In Handbook of Quantum Gravity. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-99-7681-2_75.

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Kiefer, Claus. "Introduction: The Relevance of Gravity for DICE." In Decoherence and Entropy in Complex Systems. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-40968-7_2.

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Тези доповідей конференцій з теми "Entropic gravity"

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Fujii, Akito, and Akio Nishimoto. "CoCrFeNiTi High-Entropy Sintered Alloy with Metal Screen Direct Current Plasma Nitriding." In IFHTSE 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.ifhtse2024p0097.

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Abstract High-entropy alloys (HEA) are multinary alloys obtained by blending at least five metallic elements in compositions close to their isoatomic fractions (5–35 at%). Generally, HEAs are produced by arc melting and casting. However, the cast specimens undergo phase separation and have a non-uniform microstructure. In contrast to ingot metallurgy, powder metallurgy has several advantages such as the possibility of alloying metals with high melting points and large differences in melting points and specific gravity. Therefore, we investigated the preparation of HEAs by mechanical alloying (
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CHEN, PISIN, and CHIAO-HSUAN WANG. "QUANTUM CORRECTIONS TO ENTROPIC GRAVITY." In Proceedings of the First LeCosPA Symposium. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814449373_0007.

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Zumalacárregui, Miguel. "Modified entropic gravity and cosmology." In TOWARDS NEW PARADIGMS: PROCEEDING OF THE SPANISH RELATIVITY MEETING 2011. AIP, 2012. http://dx.doi.org/10.1063/1.4734479.

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Silva, João B. C., Francisco S. Oliveira, Valéria C. F. Barbosa, and Haroldo F. Campos Velho. "Gravity inversion using entropic regularization." In SEG Technical Program Expanded Abstracts 2006. Society of Exploration Geophysicists, 2006. http://dx.doi.org/10.1190/1.2370408.

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Johnson, David T., Ariel Caticha, Ali Mohammad-Djafari, Jean-François Bercher, and Pierre Bessiére. "Non-relativistic Gravity in Entropic Quantum Dynamics." In BAYESIAN INFERENCE AND MAXIMUM ENTROPY METHODS IN SCIENCE AND ENGINEERING: Proceedings of the 30th International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering. AIP, 2011. http://dx.doi.org/10.1063/1.3573608.

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NG, Y. JACK. "MONDIAN DARK MATTER, ENTROPIC GRAVITY, AND INFINITE STATISTICS." In Proceedings of the MG13 Meeting on General Relativity. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814623995_0395.

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Kalogeropoulos, Nikos. "Non-Additive Entropies in … Gravity?" In Second LeCosPA International Symposium: Everything about Gravity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813203952_0025.

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Park, Chanyong. "Brief Review on the Entanglement Entropy Bound." In Second LeCosPA International Symposium: Everything about Gravity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813203952_0074.

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Barbero, Fernando, Jerzy Lewandowski, and Eduardo J. S. Villasenor. "Quantum isolated horizons and black hole entropy." In 3rd Quantum Gravity and Quantum Geometry School. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0023.

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Martin, Pete, Kevin H. Knuth, Ariel Caticha, Julian L. Center, Adom Giffin, and Carlos C. Rodríguez. "Gravity from a Probabilistic Point of View." In BAYESIAN INFERENCE AND MAXIMUM ENTROPY METHODS IN SCIENCE AND ENGINEERING. AIP, 2007. http://dx.doi.org/10.1063/1.2821261.

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Звіти організацій з теми "Entropic gravity"

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Brown, Benjamin. Special Gravity #8 - Linking Entropy and Gravity. ResearchHub Technologies, Inc., 2023. http://dx.doi.org/10.55277/researchhub.9a5l0lfj.

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