Relevant bibliographies by topics / Friedmann

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Friedmann'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Friedmann"

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Morowitz, Harold J. "Pieta.George Klein , Theodore Friedmann , Ingrid Friedmann." Quarterly Review of Biology 68, no. 4 (December 1993): 568–69. http://dx.doi.org/10.1086/418312.

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Ballantyne, J. "Imrich Friedmann." BMJ 325, no. 7364 (September 14, 2002): 601. http://dx.doi.org/10.1136/bmj.325.7364.601.

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McKay, Chris. "Imre Friedmann." Astrobiology 7, no. 5 (October 2007): iii. http://dx.doi.org/10.1089/ast.2007.0611.

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Schulz, Hartmut. "Friedmann models." Nature 376, no. 6536 (July 1995): 112. http://dx.doi.org/10.1038/376112c0.

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Oren, Aharon. "E. Imre Friedmann 1921-2007." Algological Studies 130 (October 1, 2009): 13–16. http://dx.doi.org/10.1127/1864-1318/2009/0130-0013.

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Beenakker, Carlo. "Online Friedmann resource." Physics Today 66, no. 3 (March 2013): 9. http://dx.doi.org/10.1063/pt.3.1899.

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Csomós, György. "John Friedmann (1926–2017)." Tér és Társadalom 31, no. 3 (August 23, 2017): 187–90. http://dx.doi.org/10.17649/tet.31.3.2905.

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Rothstein, Stephen I., Ralph W. Schreiber, and Thomas R. Howell. "In Memoriam: Herbert Friedmann." Auk 105, no. 2 (April 1988): 365–68. http://dx.doi.org/10.2307/4087502.

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Simon, David. "John Friedmann, 1926–2017." International Development Planning Review 39, no. 3 (June 2017): v—vii. http://dx.doi.org/10.3828/idpr.2017.14.

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Gergely, László Á., and Zoltán Keresztes. "Irradiated asymmetric Friedmann branes." Journal of Cosmology and Astroparticle Physics 2006, no. 01 (January 24, 2006): 022. http://dx.doi.org/10.1088/1475-7516/2006/01/022.

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Dissertations / Theses on the topic "Friedmann"

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Lip, Sean Zhao Wen. "Generalized Friedmann cosmologies." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609891.

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Di, Gennaro Sofia. "Modelli cosmologici di Friedmann-Robertson-Walker." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14518/.

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In questa trattazione si analizzano i principi base da cui si deriva la teoria della cosmologia standard, basata sul modello di Friedmann-Robertson-Walker. Si comincia con l’esposizione del principio cosmologico, che stabilisce l’omogeneità e isotropia dell’Universo alle grandi scale e del postulato di Weyl. Da essi si ricava poi la metrica di Friedmann-Robertson-Walker, che permette di definire una struttura causale in un Universo in espansione. Dalla metrica e dalle equazioni di campo di Einstein si ottengono poi le equazioni di Friedmann, le quali a loro volta possono essere integrate, ottenendo alcuni modelli importanti. Infine, si approfondiscono i concetti di redshift e determinazione delle distanze, concetti molto utili per misurare i parametri che regolano l’evoluzione dell’Universo.
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Pützfeld, Dirk. "Building and testing cosmological models: from Friedmann to Weyl-Cartan." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968658032.

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Souza, Cleber Abrahão de. "Campos de Dirac no universo de Friedmann-Lemaitre-Robertson-Walker." Universidade Federal de Juiz de Fora (UFJF), 2011. https://repositorio.ufjf.br/jspui/handle/ufjf/5345.

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CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
A teoria relativística da gravitação é uma ferramenta fundamental para a compreensão da cosmologia moderna. Ela descreve a dinâmica do campo gravitacional ao longo do espaço-tempo. Dentre os possíveis modelos de universo, um dos mais comuns é o descrito pela métrica de Friedmann-Lemaitre-Robertson-Walker (FLRW). Esta métrica pode ser escrita em termos do tempo conforme e descreve um universo homogêneo e isotrópico. Neste trabalho investigamos os campos de Dirac não massivos neste modelo de universo. Os resultados mostram uma compatibilidade entre as equações de Dirac e a métrica de FLRW. Os efeitos do parâmetro de Immirzi junto com os férmions podem ser descritos em termos de um fluido perfeito usual intermediário entre a poeira e radiação.
The general relativity theory is fundamental tool for understanding the modern cosmology. In this work we investigated the massless Dirac fields in the Friedamm-Lamaitre-Robertson-Walker universe. The metric is written in terms of conformal time which describes a homogeneous and isotropic universe. We show that the effects of Immirzi parameter along with the fermions can be described in terms of a usual perfect fluid intermediate between dust and radiation.
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Melia, Fulvio. "Physical basis for the symmetries in the Friedmann–Robertson–Walker metric." Springer Verlag, 2016. http://hdl.handle.net/10150/614770.

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Modern cosmological theory is based on the Friedmann-Robertson-Walker (FRW) metric. Often written in terms of co-moving coordinates, this well-known solution to Einstein's equations owes its elegant and highly practical formulation to the Cosmological principal and Weyl's postulate, upon which it is founded. But there is physics behind such symmetries, and not all of it has yet been recognized. In this paper, we derive the FRW metric coefficients from the general form of the spherically-symmetric line element, and demonstrate that, because the co-moving frame also happens to be in free fall, the symmetries in FRW are valid only for a medium with zero active mass. In other words, the spacetime of a perfect fluid in cosmology may be correctly written as FRW only when its equation-of-state is $\rho+3p=0$, in terms of the {\it total} pressure $p$ and {\it total} energy density $\rho$. There is now compelling observational support for this conclusion, including the Alcock-Paczy\'nski test, which shows that only an FRW cosmology with zero active mass is consistent with the latest model-independent Baryon Acoustic Oscillation data.
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Chbib, Dyaa. "Détermination des paramètres cosmologiques dans le cadre du modèle de Friedmann-Lemaîtres." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0294/document.

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Un siècle après le modèle d'univers de Friedmann-Lemaître, les observations le confortent avec une constante cosmologique $\Lambda$ et une composante de matière sombre (noire) sans pression (poussière) et froide dominant celle baryonique, que l'on désigne par modèle $\Lambda$CDM. L'accélération de l'expansion de l'Univers confirmée par le diagramme de Hubble des supernovae en 1998 impose une valeur strictement positive à la constante cosmologique. Mes travaux de thèse se focalisent sur l'estimation des valeurs de paramètres cosmologiques du modèle standard en utilisant la technique de corrélation nulle. Cette approche présente l'avantage d'être plus robuste que les techniques usuelles. Ce travail a consisté aussi à modéliser des échantillons de l'événement quasar ainsi que l'événement supernova, une extrapolation adaptée du premier. Ce qui a permis de générer des échantillons conformes aux hypothèses des modèles, afin de valider les approches statistiques. Nous avons exploité les données du Sloan Digital Sky Survey (SDSS) pour les quasars, et celles du SuperNova Legacy Survey (SNLS) et du SDSS-II pour les supernovae. Les inférences statistiques ont conduit à un univers spatialement fermé et une présence de matière noire plus faible. Dans le cadre d'une prochaine application de cette technique, elle sera utilisée pour contraindre les modèles d'énergie noire. De même, l'utilisation des amas de galaxies observées grâce à l'effet de Sunyaev Zel'dovich, servira d'échantillon cosmologique. Une telle étude pourra contribuer à apporter un élément de réponse à la validité du rôle supposé des neutrinos massifs dans la formation des amas dans l'ère primordiale de l'Univers
A century after the Universe model of Friedmann-Lemaître, the observations comfort it with a cosmological constant $\Lambda$ and a dark matter component without pressure (dust) and cold dominating the baryonic one, which is denoted by $\Lambda$CDM model. The acceleration of the expansion of the Universe confirmed by the Hubble diagram of the supernovae in 1998 imposes a strictly positive value on the cosmological constant. My thesis work focuses on the estimation of the cosmological parameters values of the standard model using the null correlation technique. This approach has the advantage of being more robust than the usual techniques. This work deals with modelling samples of the quasar event and the supernova event, which enables us to generate samples in order to validate the statistical approaches. We used data from the Sloan Digital Sky Survey (SDSS) for quasars, and the SuperNova Legacy Survey (SNLS) and SDSS-II for supernovae. The Statistical inferences suggest a Universe spatially Closed and a weaker presence of dark matter than that in the Standard model. Such a statistical analysis can be used to constrain dark energy models. Application of this technique might be useful for analyzing of clusters of galaxies observed through the effect of Sunyaev Zel'dovich, in view of deriving the cosmological model and provide an answer to the question of the contribution of massive neutrinos in the formation of clusters in the primordial era of the Universe
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Challane, Tlemsani Sofiane. "Le problème de l'horizon dans les modèles cosmologiques de Friedmann-Robertson-Walker." Montpellier 2, 1993. http://www.theses.fr/1993MON20239.

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La these presentee traite, dans le cadre de la cosmologie standard (modeles de friedman-robertson-walker), du probleme de l'horizon. Dans une premiere partie, on etudie de facon explicite la condition d'homogeneisation causale d'une hypersurface caracterisee par une coordonnee temporelle constante. Appliquant cette condition a l'hypersurface de recombinaison, on montre que cette condition ne peut en aucun cas etre satisfaite. Le probleme de l'horizon dans le cas etudie du rayonnement a 3 k, ne se reduit apparemment pas a un probleme observationnel. La seconde partie se presente comme une alternative possible aux scenarios inflationnaires. On prend comme hypothese de base (dans le cadre f. R. W) le fait que, initialement, l'univers n'est pas decelere. Pendant une periode initiale, le fluide cosmique, n'est plus representable par un tenseur energie-impulsion de type fluide parfait. On retrouve alors une situation abondamment etudiee: le fluide cosmique est dissipatif (introduction d'une viscosite de volume). Cette situation est ici exploitee, non pour eliminer la singularite initiale (comme c'est le cas usuellement), mais pour faire jouer a la phase visqueuse le role d'une phase d'homogeneisation causale. La solution correspondant a cette phase entraine que sur un court intervalle de temps, l'univers ne possede pas encore d'horizon-particule. Dans la troisieme partie, on etudie la validite du comportement du facteur d'echelle pres de la singularite initiale pour les trois cas de courbures possibles
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Pérez, Rodríguez Jeinny Nallely. "A study of the problem of time in a Friedmann quantum cosmology." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21716/.

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After reviewing Dirac's canonical quantization program and the canonical quantization of General Relativity, we study the problem of time in the context of a quantum minisuperspace cosmological model: a Friedmann-Lemaître-Robertson-Walker spacetime coupled minimally to a scalar field. We explore different methods to include time and evolution in our formalism. We begin by discussing the possibility to identify a dynamical time variable before quantization. Such a time variable is constructed as a function of the phase space variables and leads to a multiple choice problem for the evolution of our quantum system. We then explore the connection between the Born-Oppenheimer (BO) approach to the problem of time and gauge fixing. We find that by choosing a particular gauge we can recover the Born-Oppenheimer approach ansatz both in the classical and in the quantum theory. In the latter, the result of the BO approach is recovered by performing a phase transformation in the Wheeler-DeWitt equation and requiring that the resulting Schrödinger-like equation is unitary.
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Gässler, Susanne. "Die Entdeckung der menschlichen Würde : jüdische Lebenswelt und humanistische Lebensgestaltung bei Friedrich Georg Friedmann /." Münster : Lit, 2002. http://catalogue.bnf.fr/ark:/12148/cb39149444h.

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Friedmann, Valérie [Verfasser]. "Versagensverhalten von Austenit-Martensit Rohrmischverbindungen für 600°C – Dampfkraftwerke unter Kriechermüdungsbelastung / Valérie Friedmann." Aachen : Shaker, 2011. http://d-nb.info/1069050237/34.

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Books on the topic "Friedmann"

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Bourdelle, Musée, ed. Gloria Friedmann. Paris: Paris musées, 2008.

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Hahn, Friedmann. Friedmann Hahn: Wandlungen.--. Stuttgart: Akademie der diozese rottenburg, 1990.

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Friedmann, Gloria. Gloria Friedmann: I.Q. / E.Q. Augsburg: Städtische Kunstsammlungen Augsburg, 1997.

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Bernhard, Steiner Peter, Giloy-Hirtz Petra, Diözesanmuseum Freising (Germany), and Kunst-Station Sankt Peter (Cologne, Germany), eds. Gloria Friedmann, Welt 3. Freising]: Diözesanmuseum Freising, 2002.

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Friedmann Centenary Conference (1988 Leningrad, R.S.F.S.R.). A.A. Friedmann, centenary volume: Proceedings of the Friedmann Centenary Conference, Leningrad, USSR, June 22-26, 1988. Edited by Fridman A. A. 1888-1925, Markov M. A. 1908-, Berezin V. A, and Mukhanov V. F. Singapore: World Scientific Pub. Co., 1990.

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Friedmann kommt immer: Und andere erregende Geschichten. Blieskastel: Gollenstein, 1998.

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Friedmann Centenary Conference (1988 Leningrad, R.S.F.S.R.). A A Friedmann: Centenary volume : proceedings of the Friedmann Centenary Conference, Leningrad, USSR, June 22-26, 1988. Edited by Berezin V. A, Fridman A. A. 1888-1925, Markov M. A. 1908-, and Mukhanov V. F. Singapore: World Scientific, 1990.

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Alexander A. Friedmann: The man who made the universe expand. Cambridge: Cambridge University Press, 1993.

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David Friedmann (1893-1980): Ein Berliner Pressezeichner der 1920er Jahre. Teetz: Hentrich & Hentrich, 2008.

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Friedmann Conference (1991 Columbia University School of Law). International law and collective security: Excerpts from the 1991 Friedmann Conference. New York: Columbia Journal of Transnational Law Association, 1991.

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Book chapters on the topic "Friedmann"

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Baryshev, Yurij, and Pekka Teerikorpi. "The Friedmann Model." In Fundamental Questions of Practical Cosmology, 131–55. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2379-5_7.

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Torretti, Roberto. "Friedmann, Alexander Alexandrovich." In Biographical Encyclopedia of Astronomers, 761–62. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4419-9917-7_483.

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Boner, Patrick J., Paul Charbonneau, Charlotte Bigg, Stuart Atkinson, Alnoor Dhanani, Gregg DeYoung, Petra G. Schmidl, et al. "Friedmann, Alexander Alexandrovich." In The Biographical Encyclopedia of Astronomers, 392–93. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-30400-7_483.

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Frenkel, Viktor. "Einstein and Friedmann." In Einstein Studies in Russia, 1–15. Boston, MA: Birkhäuser Boston, 2002. http://dx.doi.org/10.1007/978-1-4612-0131-1_1.

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Hentschke, Reinhard, and Christian Hölbling. "Friedmann–Robertson–Walker Cosmology." In A Short Course in General Relativity and Cosmology, 137–47. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46384-7_8.

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Lyth, David H. "Friedmann Tells the Time." In Astronomers' Universe, 53–56. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22744-3_10.

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Wands, David. "Friedmann–Lemaître–Robertson–Walker Cosmology." In Springer Handbook of Spacetime, 657–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41992-8_30.

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Straumann, Norbert. "Essentials of Friedmann–Lemaître Models." In General Relativity, 547–76. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5410-2_10.

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Linder, E. V. "Inhomogeneities and Non-Friedmann Light Propagation." In Primordial Nucleosynthesis and Evolution of Early Universe, 587–88. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3410-1_95.

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Silbergleit, Alexander S., and Arthur D. Chernin. "Friedmann Cosmology with Changing Dark Energy." In SpringerBriefs in Physics, 5–7. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57538-4_2.

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Conference papers on the topic "Friedmann"

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CATALDO, MAURICIO, and SERGIO DEL CAMPO. "INHOMOGENEOUS FRIEDMANN COSMOLOGICAL MODELS." In Proceedings of the MG12 Meeting on General Relativity. WORLD SCIENTIFIC, 2012. http://dx.doi.org/10.1142/9789814374552_0217.

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Sabido, M., W. Guzmán, J. Socorro, H. A. Morales-Tecotl, L. A. Urena-Lopez, R. Linares-Romero, and H. H. Garcia-Compean. "Noncommutativity and the Friedmann Equations." In GRAVITATIONAL PHYSICS: TESTING GRAVITY FROM SUBMILLIMETER TO COSMIC: Proceedings of the VIII Mexican School on Gravitation and Mathematical Physics. AIP, 2010. http://dx.doi.org/10.1063/1.3473857.

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Siong, Ch'ng Han, Shahidan Radiman, and Bijan Nikouravan. "Friedmann equation with quantum potential." In THE 2013 UKM FST POSTGRADUATE COLLOQUIUM: Proceedings of the Universiti Kebangsaan Malaysia, Faculty of Science and Technology 2013 Postgraduate Colloquium. AIP Publishing LLC, 2013. http://dx.doi.org/10.1063/1.4858626.

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García, Alberto A. "n-dimensional Friedmann-Robertson-Walker cosmologies." In GRAVITATION AND COSMOLOGY: 2nd Mexican Meeting on Mathematical and Experimental Physics. AIP, 2005. http://dx.doi.org/10.1063/1.1900525.

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Binder, Bernd, and Mohamed S. El-Genk. "Friedmann Propulsion in an Flat Holographic Universe." In 008. AIP, 2008. http://dx.doi.org/10.1063/1.2844954.

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TRIAY, R., and H. H. FLICHE. "SPHERICAL VOIDS IN A NEWTON-FRIEDMANN UNIVERSE." In Proceedings of the MG11 Meeting on General Relativity. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812834300_0243.

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Hwang, Jai-chan. "Conserved evolutions of the perturbed Friedmann world model." In Cosmology and particle physics. AIP, 2001. http://dx.doi.org/10.1063/1.1363583.

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Ee, Chang-Young. "Friedmann equation and the emergence of cosmic space." In Frontiers of Fundamental Physics 14. Trieste, Italy: Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.224.0077.

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Pozdeeva, Ekaterina, and Irina Arefeva. "Shock waves in the Friedmann-Robertson-Walker spacetime." In The XIXth International Workshop on High Energy Physics and Quantum Field Theory. Trieste, Italy: Sissa Medialab, 2011. http://dx.doi.org/10.22323/1.104.0073.

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Ibison, Michael, and Daniel P. Sheehan. "An Exploration of Symmetries in the Friedmann Equation." In QUANTUM RETROCAUSATION: THEORY AND EXPERIMENT. AIP, 2011. http://dx.doi.org/10.1063/1.3663718.

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Reports on the topic "Friedmann"

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Kennedy, Alan, Mark Ballentine, Andrew McQueen, Christopher Griggs, Arit Das, and Michael Bortner. Environmental applications of 3D printing polymer composites for dredging operations. Engineer Research and Development Center (U.S.), January 2021. http://dx.doi.org/10.21079/11681/39341.

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This Dredging Operations Environmental Research (DOER) technical note disseminates novel methods to monitor and reduce contaminant mobility and bioavailability in water, sediments, and soils. These method advancements are enabled by additive manufacturing (i.e., three-dimensional [3D] printing) to deploy and retrieve materials that adsorb contaminants that are traditionally applied as unbound powders. Examples of sorbents added as amendments for remediation of contaminated sediments include activated carbon, biochar, biopolymers, zeolite, and sand caps. Figure 1 provides examples of sorbent and photocatalytic particles successfully compounded and 3D printed using polylactic acid as a binder. Additional adsorptive materials may be applicable and photocatalytic materials (Friedmann et al. 2019) may be applied to degrade contaminants of concern into less hazardous forms. This technical note further describes opportunities for U.S. Army Corps of Engineers (USACE) project managers and the water and sediment resource management community to apply 3D printing of polymers containing adsorptive filler materials as a prototyping tool and as an on-site, on-demand manufacturing capability to remediate and monitor contaminants in the environment. This research was funded by DOER project 19-13, titled “3D Printed Design for Remediation and Monitoring of Dredged Material.”
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Ireland, Peter. Implementing the Friedman Rule. Cambridge, MA: National Bureau of Economic Research, March 2002. http://dx.doi.org/10.3386/w8821.

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Belongia, Michael, and Peter Ireland. Money and Output: Friedman and Schwartz Revisited. Cambridge, MA: National Bureau of Economic Research, December 2015. http://dx.doi.org/10.3386/w21796.

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MacLean, Nancy. How Milton Friedman Exploited White Supremacy to Privatize Education. Institute for New Economic Thinking Working Paper Series, September 2021. http://dx.doi.org/10.36687/inetwp161.

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This paper traces the origins of today’s campaigns for school vouchers and other modes of public funding for private education to efforts by Milton Friedman beginning in 1955. It reveals that the endgame of the “school choice” enterprise for libertarians was not then—and is not now--to enhance education for all children; it was a strategy, ultimately, to offload the full cost of schooling onto parents as part of a larger quest to privatize public services and resources. Based on extensive original archival research, this paper shows how Friedman’s case for vouchers to promote “educational freedom” buttressed the case of Southern advocates of the policy of massive resistance to Brown v. Board of Education. His approach—supported by many other Mont Pelerin Society members and leading libertarians of the day --taught white supremacists a more sophisticated, and for more than a decade, court-proof way to preserve Jim Crow. All they had to do was cease overt focus on race and instead deploy a neoliberal language of personal liberty, government failure and the need for market competition in the provision of public education.
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Nelson, Edward. Milton Friedman and U.S. Monetary History: 1961-2006. Federal Reserve Bank of St. Louis, 2007. http://dx.doi.org/10.20955/wp.2007.002.

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Nelson, Edward. Milton Friedman and U.K. Economic Policy: 1938-1979. Federal Reserve Bank of St. Louis, 2009. http://dx.doi.org/10.20955/wp.2009.017.

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7

Christiano, Lawrence, Roberto Motto, and Massimo Rostagno. The Great Depression and the Friedman-Schwartz Hypothesis. Cambridge, MA: National Bureau of Economic Research, January 2004. http://dx.doi.org/10.3386/w10255.

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8

Edwards, Sebastian. Milton Friedman and Exchange Rates in Developing Countries. Cambridge, MA: National Bureau of Economic Research, October 2020. http://dx.doi.org/10.3386/w27975.

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9

Nelson, Edward, and Anna J. Schwartz. The Impact of Milton Friedman on Modern Monetary Economics: Setting the Record Straight on Paul Krugman's "Who Was Milton Friedman?". Federal Reserve Bank of St. Louis, 2007. http://dx.doi.org/10.20955/wp.2007.048.

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Nelson, Edward, and Anna Schwartz. The Impact of Milton Friedman on Modern Monetary Economics: Setting the Record Straight on Paul Krugman's "Who Was Milton Friedman?". Cambridge, MA: National Bureau of Economic Research, October 2007. http://dx.doi.org/10.3386/w13546.

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