21. Australasian Society For General Relativity And Gravitation Includes a newsletter, information on events, and links to related research groups. http://www.physics.adelaide.edu.au/ASGRG/

Australasian Society for General Relativity and Gravitation Contents Membership information Newsletters Job vacancies Committee / contact information ... Other links worldwide The Australasian Society for General Relativity and Gravitation (ASGRG) was formed at a meeting of mathematicians and physicists in Canberra in September 1994. The Society aims to bring together researchers who work in a wide range of areas within mathematical, theoretical and experimental gravitation: exact solutions of general relativity, mathematical relativity, numerical relativity, quantum gravity, cosmology, estimation of the gravitational wave signals produced by astronomical sources, and development of techniques and technology for detecting these signals with earth- and satellite-based antennae. It was decided to form the society to facilitate discussion of mutual problems of interest and to provide greater cooperation to solve the outstanding problems in the various fields. We see our role as providing a regional forum in Australia and New Zealand similar to the recently formed Topical Interest Group in Gravitation of the American Physical Society, and the international GRG society. The official name and constitution of the Society were adopted at the first General Meeting, which was held during the

22. The Net Advance Of Physics general relativity Today by Thibault Damour 2006/10 Exotic solutions in general relativity by Francisco S. N. Lobo 2007/10 http://web.mit.edu/redingtn/www/netadv/Xgenerrela.html

The Net Advance of Physics: GENERAL RELATIVITY GENERAL RELATIVITY: General: Definitions: Weisstein 98/06; General: Introductory: Baez 96/02; General: Textbooks: Modern Relativity Page; Brown no date; Carroll 97/12; Siegel 99/12; General: Brown (homepage); Bicak 2000/04; Baez 2001/03; Alvarez-G. and Vazquez-M. 2005/05; ... General Relativity Today by Thibault Damour [2006/10] General: ALGEBRAIC COMPUTING: Lake 98/03; Toussaint 2001/05; General: EXPERIMENTAL/OBSERVATIONAL: Will 98/11; Damour 99/04; Bennett 2005/03; Bertolami et al. 2006/02; General: EXPERIMENTAL/OBSERVATIONAL: BLACK HOLES; GRAVITATIONAL RADIATION; General: EXPERIMENTAL/OBSERVATIONAL: Re: NEUTRINOS: Leung 2000/02; General: EXPERIMENTAL/OBSERVATIONAL: Re: PULSARS: Damour 97/11; General: EXPERIMENTAL/OBSERVATIONAL: Re: SOLAR SYSTEM: (see also Pioneer Effect Tests of general relativity in the solar system by Serge Reynaud and Marc-Thierry Jaekel [2007/07] General: ANALOGUES: Visser 2001/11; General: CANONICAL FORMULATIONS: Different canonical formulations of Einstein's theory of gravity by V. A. Franke [ Teor. Mat. Fiz. 148

23. Early Philosophical Interpretations Of General Relativity (Stanford Encyclopedia Each of the following philosophical interpretations of general relativity selected certain aspects of that theory for favored recognition. http://plato.stanford.edu/entries/genrel-early/

Cite this entry Search the SEP Advanced Search Tools ... Please Read How You Can Help Keep the Encyclopedia Free Early Philosophical Interpretations of General Relativity First published Wed Nov 28, 2001; substantive revision Fri Dec 22, 2006 1. The Search for Philosophical Novelty 2. Machian Positivism 3. Kantian and Neo-Kantian Interpretations 4. Logical Empiricism ... Related Entries 1. The Search for Philosophical Novelty Extraordinary public clamor greeted an announcement of the joint meeting of the Royal Society of London and the Royal Astronomical Society on the 6th of November, 1919. To within acceptable margin of error, astronomical observations during the solar eclipse the previous May 29 th revealed the displacement of starlight passing near the surface of the sun predicted by Einstein's gravitational theory of curved spacetime. By dint of having "overthrown" such a permanent fixture of the cognitive landscape as Newtonian gravitational theory, the general theory of relativity at once became a principal focus of philosophical interest and inquiry. Although some physicists and philosophers initially opposed it, mostly on non-physical grounds, surveyed here are the principal philosophical interpretations of the theory accepting it as a definite advance in physical knowledge. Even so, these include positions ill-informed as to the mathematics and physics of the theory. Further lack of clarity stemmed from the scientific literati There has been a tendency, not uncommon in the case of a new scientific theory, for every philosopher to interpret the work of Einstein in accordance with his own metaphysical system, and to suggest that the outcome is a great accession of strength to the views which the philosopher in question previously held. This cannot be true in all cases; and it may be hoped that it is true in none. It would be disappointing if so fundamental a change as Einstein has introduced involved no philosophical novelty.

24. 18th International Conference On General Relativity & Gravitation And 7th Edoard 18th International Conference on general relativity Gravitation and 7th Edoardo Amaldi Conference on Gravitational Waves,814 July 2007,Sydney,Australia. http://www.grg18.com/

Home Contact Skip to Content REGISTER NOW Welcome On behalf of the Local Organising Committee, it is our great pleasure to invite you to the 18th International Conference on General Relativity and Gravitation (GRG18) and 7th Edoardo Amaldi Conference on Gravitational Waves (Amaldi7) to be held in Sydney, Australia from 8-14 July 2007. GRG18 is held under the auspices of the International Society on General Relativity and Gravitation and its scientific programme is overseen by the Scientific Organising Committee, which is chaired by Professor Sathyaprakash. Amaldi7 is held under the auspices of the Gravitational Wave International Committee (GWIC) which oversees the scientific programme for the meeting and is chaired by Professor Cerdonio. The morning plenary sessions of the two conferences will be combined, covering all aspects of General Relativity and Gravitation including Classical General Relativity; Relativistic Astrophysics and Cosmology; Experimental Work on Gravity and Quantum Issues in Gravitation, and all aspects of Gravitational Wave Detection and Astronomy. In the afternoons there will be a dedicated parallel session for Amaldi7 and five parallel sessions for GRG18. After GRG18 concludes on the evening of Friday 13 July, Amaldi7 will continue to run sessions on Saturday 14 July, concluding at the end of the afternoon. GRG18 will be the first International Conference on General Relativity and Gravitation to be held in Australia, indeed the first in the Australasian region, and we are very excited to have this opportunity to showcase the research of the international General Relativity and Gravitational Wave communities to Australian scientists, government and the general public. We held a number of successful gravitation-related events throughout Australia in 2005 in connection with the World Year of Physics, and the holding of GRG18 and Amaldi7 here in 2007 will surely build on the groundswell of interest and activity in these fields which was generated at that time.

25. General Relativity Around The World general relativity around the world Cardiff Relativity Group University of Wales, College of Cardiff. Hyperspace at UBC University of British Columbia. http://www.astro.auth.gr/Science-Subjects/Gravity/Gravity_Links1.html

General Relativity around the world Relativity Servers NCSA Relativity Group Aristotle University of Thessaloniki. HyperSpace at QMW Malcolm MacCallum's Server Center for Relativity at Austin, Texas. Center for Gravitational Physics and Geometry , Penn State University. Pittsburgh Relativity Group University of Pittsburgh. Cardiff Relativity Group University of Wales, College of Cardiff. Hyperspace at UBC University of British Columbia. Mathematical Relativity Australian National University Southhampton Relativity Gopher University of Southhampton. LIGO California and Massachusetts Institutes of Technology Balearic Islands University. SIGRAV CIAR Cosmology Program Canadian Institute of Advanced Research Tufts Institute of Cosmology Syracuse University Relativity Group University of New Brunswick Relativity Montana State University Physics Department University of Maryland Physics Department Imperial College of Science, Technology and Medicine University of British Columbia Hyperspace at UBC Pisa-VIRGO Interferometer Home Page Wake Forest University Univeristy of Newcastle Relativity and Quantum Fields Relativistic Movies (Tuebingen) LSU Gravity Wave Experiment Home Page GR : Hyperspace Form interface to search MacCallum's lists.

26. General Relativity Simulation Contest Page contains a contest to write a program which uses general relativity. A second contest is included to use any Theory. http://users.telenet.be/nicvroom/contest.htm

General Relativity Simulation Contest Description of Contest The purpose of this Contest is to prove General Relativity. The Contest consist of the following task: Write one general purpose program (any programming language will do) which simulates the movement of n objects over a certain period of time. The simulation method used (algorithms), should be based on the Rules of General Relativity. The program should be able to simulate and demonstrate the following examples: Forward movement (perihelion shift) of the planet Mercury (43 arc sec angle) around the Sun. The bending of light around the Sun (1.75 sec). The movement of a binary star system. The stars should spiral together. A clock in a space ship around the Earth. Twin paradox (SR). i.e. at least two clocks should be included. The behaviour of black holes. The results of the simulation should match actual observations. For the rules of General Relativity see the following: General Relativity with John Baez For the most elaborate list of links for General Relativity see: Relativity on the World Wide Web by Chris Hillman , maintained by John Baez For a technical discussion about the problems with numerical simulations regarding General Relativity see: Numerical Relativity If you want more about celestial mechanics simulations informal newsletter

27. Gravitation And The General Theory Of Relativity general relativity and Newton s gravitational theory make essentially identical predictions as long as the strength of the gravitational field is weak, http://csep10.phys.utk.edu/astr162/lect/cosmology/gravity.html

Gravitation and the General Theory of Relativity As we have discussed in an earlier section , the theoretical physicist Albert Einstein introduced his Special Theory of Relativity in 1905 and his General Theory of Relativity in 1915. The first showed that Newton's Three Laws of Motion were only approximately correct, breaking down when velocities approached that of light. The second showed that Newton's Law of Gravitation was also only approximately correct, breaking down when gravitation becames very strong. Special Relativity Einstein's Special Theory of Relativity is valid for systems that are not accelerating. Since from Newton's second law an acceleration implies a force, special relativity is valid only when no forces act. Thus, it cannot be used generally when there is a gravitational field present (as we shall see below in conjunction with the Principle of Equivalence, it can be used over a sufficiently localized region of spacetime). We have already discussed some of the important implications of the Special Theory of Relativity. For example, the most famous is probably the relationship between mass and energy . Other striking consequences are associated with the dependence of space and time on velocity: at speeds near that of light, space itself becomes contracted in the direction of motion and the passage of time slows. Although these seem bizarre ideas (because our everyday experience typically does not include speeds near that of light), many experiments indicate that the Special Theory of Relativity is correct and our "common sense" (and Newton's laws) are incorrect near the speed of light.

28. Interactive Experiments In Gravity Since the velocity of an orbiting object cannot attain or exceed the speed of light, Einstein s general relativity predicts a different energy curve, http://www.fourmilab.ch/gravitation/

Interactive Experiments in Gravity This directory contains documents and interactive Java applets which explore aspects of both Newton's theory of universal gravitation and Einstein's general relativity. The first two installments in the series are now available. Bending Spacetime in the Basement We live our entire lives within the Earth's gravitational field, yet rarely if ever do we experience the universality of gravitation: that every object in the universe attracts and is attracted by every other. This page presents a "basement science" experiment which reveals the gravitational attraction between objects less than a kilogram in mass. Knowledge in antiquity suggesting gravitation was universal is discussed, and the feasibility of an experimental test using only materials and techniques of the era is explored. Orbits in Strongly Curved Spacetime Close-in orbits around compact massive objects such as neutron stars and black holes trace out paths drastically different from the ellipses of Kepler's Laws. Since the velocity of an orbiting object cannot attain or exceed the speed of light, Einstein's general relativity predicts a different energy curve, resulting in precession absent in Newton's theory. This page includes an interactive applet that lets you explore such orbits and explains the theory behind them. by John Walker

29. GR17 GR17, the 17th International Conference on general relativity and 2004 promises to be an exceptionally exciting year in general relativity and http://www.dcu.ie/~nolanb/gr17.htm

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30. General Relativity Before beginning this brief article, dealing with the essential features of general relativity, we have to postulate one thing special relativity is http://my.morningside.edu/slaven/Physics/gr/index.html

General relativity: a very weird world This is the English translation of a webpage originally written in French , by Nymbus , who also provided the translation. I've agreed to post it here at my own website, and have cleaned up the translation a bit, editing for grammar, and so on, but leaving the content untouched, I think. So any comments or questions should be addressed to JavaScript must be enabled to display this email address. . It's his project. (Although, if there's a problem with the page such as the images not showing up or special characters not appearing, send word to JavaScript must be enabled to display this email address. .) Dave This page has also been translated into Spanish At times, this page alludes to concepts from the special theory of relativity, which are explored here General relativity: a brief explanation of the fundamentals ideas Before beginning this brief article, dealing with the essential features of general relativity, we have to postulate one thing: special relativity is supposed to be true. Hence, general relativity lies on special relativity. If the latter were proved to be false, the whole edifice would collapse. In order to understand general relativity, we have to define how mass is defined in classical mechanics.

31. INI Programme GMR Conference - Global General Relativity The conference will provide a wideranging review of the current status of general relativity, including observational and numerical results, with emphasis http://www.newton.cam.ac.uk/programmes/GMR/gmrw02.html

An Isaac Newton Institute Conference Global General Relativity 22 - 26 August 2005 Organisers Professor PT Chrusciel ( Tours ), Professor H Friedrich ( MPI Golm ) and Dr P Tod Oxford Supported by the European Commission, Sixth Framework Programme - Marie Curie Conferences and Training Courses - MSCF-CT-2004-516558 in association with the Newton Institute programme entitled Global Problems in Mathematical Relativity Programme Participants Photograph ... Presentations on the web Theme of Conference: The conference will provide a wide-ranging review of the current status of general relativity, including observational and numerical results, with emphasis on the mathematical aspects of the theory. It is intended to introduce and illuminate the themes of the associated programme. There has been substantial progress in mathematical general relativity in the last few years, but there are also very many open questions and fundamental issues to be understood; thus, particular emphasis will be put on reviewing the major challenges in the field. It will bring together mathematicians, numerical analysts and physicists to discuss the current status of the field and present important recent developments. Subjects covered by the conference will include global properties of solutions of the Einstein equations, singularity formation in hyperbolic equations, the numerical construction of space-times, the status of black hole observations and gravitational wave detection, and quantum field theory in curved space-time.

32. General Relativity Trimester general relativity Trimester designed for graduate students, postdocs, as well as scientists implied in experimental projects in general relativity. http://luth2.obspm.fr/IHP06/

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33. Lecture Notes On General Relativity Lecture notes for the course on general relativity held in 1997 at the Physics Institute of NTNU, Trondheim by Petr Hadrava (the lecture notes themselves http://www.asu.cas.cz/~had/gr.html

General Relativity This homepage contains lecture notes on the course of general relativity FX2/H97 read in the fall semester 1997 at the Physics Institute of NTNU, Trondheim. Some parts were added later. It is still under construction (see the dates of last revision of each chapter). Some viewers do not allow to see the PS-files on the screen. However, you can download it (using the 'save'-command) and print it on a PostScript printer. Contents: Introduction Special relativity Basic concepts of general relativity Spherically symmetric spacetimes ... References A supplementary text on lower level can be found in lecture notes on cosmology which was read in the fall semester 1999 as a part of another course. To get more information contact, please, the author. Readers may find interesting also other web-pages on general relativity referred at Hillman's list and Syracuse University list Petr Hadrava, Astronomical Institute of the Academy of Sciences of the Czech Republic, Bocni II 1401, CZ 141 31 Praha 4

34. Numerical Hydrodynamics In General Relativity Numerical Hydrodynamics in general relativity. Update available http//www.livingreviews.org/lrr2003-4. José A. Font Max-Planck-Institut für Astrophysik http://www.livingreviews.org/lrr-2000-2

35. General Relativity - Applications Of Mathematics Journals, Books & Online Media general relativity Applications. Based on a course given at Oxford over many years, this book is a short and concise exposition of the central ideas of http://www.springer.com/978-1-84628-486-1

Please select Africa Asia Australia / Oceania Europe France Germany Italy North America South America Switzerland United Kingdom All Author/Editor Title ISBN/ISSN Series Journals Series Textbooks Contact Select your subdiscipline Algebra Analysis Applications Mathematical Biology Mathematical Physics Probability Theory Quantitative Finance Select a discipline Astronomy Biomedical Sciences Chemistry Computer Science Economics Education Engineering Environmental Sciences Geography Geosciences Humanities Law Life Sciences Linguistics Materials Mathematics Medicine Philosophy Physics Psychology Public Health Social Sciences Statistics Home Mathematics Applications General Relativity Series: Springer Undergraduate Mathematics Series Woodhouse , N.M.J. 2007, X, 222 p. 33 illus., Softcover ISBN: 978-1-84628-486-1 This item usually ships in 2-3 business days. About this textbook Table of contents About this textbook Based on a course given at Oxford over many years, this book is a short and concise exposition of the central ideas of general relativity. Although the original audience was made up of mathematics students, the focus is on the chain of reasoning that leads to the relativistic theory from the analysis of distance and time measurements in the presence of gravity, rather than on the underlying mathematical structure. The geometric ideas - which are central to the understanding of the nature of gravity - are introduced in parallel with the development of the theory, the emphasis being on laying bare how one is led to pseudo-Riemannian geometry through a natural process of reconciliation of special relativity with the equivalence principle. At centre stage are the "local inertial coordinates" set up by an observer in free fall, in which special relativity is valid over short times and distances.

36. GRTensorII Home Pages: Main Site Though originally designed for use in the field of general relativity, GRTensorII is useful in many other fields. GRTensor II is not a stand alone package, http://grtensor.org/

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37. General Relativity: Einstein: Physics An explanation YOU can understand of Einstein s General Theory of Relativity. http://www4.ncsu.edu/unity/lockers/users/f/felder/public/kenny/papers/gr1.html

Bumps and Wiggles: An Introduction to General Relativity by Gary Felder This paper is a brief introduction to the ideas of Einstein's general theory of relativity, one of the cornerstones of modern physics. The development of general relativity brought about a radical change in our concepts of space and time. This paper is not a course in general relativity, but after reading it you should have at least some understanding of what the theory says, and in particular how space and time are viewed in this context. The paper is almost entirely non-mathematical, but I do assume that you are already comfortable with some Newtonian physics and at least the basic ideas of special relativity. For the latter you could start with my brother's paper: " The Day the Universe Went All Funny For readers with a stronger background in physics there is also a sequel paper (still in preparation), which goes into somewhat more detail about how the laws of general relativity are formulated. That paper assumes a working knowledge of calculus and introductory physics such as you would get in the first year or so of a university physics major. Introduction: What General Relativity is About General relativity (GR) can be viewed in a number of different ways. I will start by briefly describing two of these viewpoints and how they relate to each other.

38. Towards A New Test Of General Relativity? PhysOrg news Towards a new test of general relativity? http://www.physorg.com/news12054.html

PhysOrg Account: Sign In Sign Up Home Nanotechnology ... General Science Published: 12:13 EST, March 23, 2006 Toolbox Rating: 4.8 Bookmark Save as PDF Print Email Blog It Digg It del.icio.us Slashdot It! Stumble It! Towards a new test of general relativity? Overall picture of the experimental apparatus where the Gravitomagnetic London Moment in rotating superconductors has been detected. Credits: ESA Scientists funded by the European Space Agency have measured the gravitational equivalent of a magnetic field for the first time in a laboratory. Under certain special conditions the effect is much larger than expected from general relativity and could help physicists to make a significant step towards the long-sought-after quantum theory of gravity. Just as a moving electrical charge creates a magnetic field, so a moving mass generates a gravitomagnetic field. According to Einstein's Theory of General Relativity, the effect is virtually negligible. However, Martin Tajmar, ARC Seibersdorf Research GmbH, Austria; Clovis de Matos, ESA-HQ, Paris; and colleagues have measured the effect in a laboratory. Their experiment involves a ring of superconducting material rotating up to 6 500 times a minute. Superconductors are special materials that lose all electrical resistance at a certain temperature. Spinning superconductors produce a weak magnetic field, the so-called London moment. The new experiment tests a conjecture by Tajmar and de Matos that explains the difference between high-precision mass measurements of Cooper-pairs (the current carriers in superconductors) and their prediction via quantum theory. They have discovered that this anomaly could be explained by the appearance of a gravitomagnetic field in the spinning superconductor (This effect has been named the Gravitomagnetic London Moment by analogy with its magnetic counterpart).

39. GENERAL RELATIVITY Eprint archive Archived warehouse of papers, including papers in general relativity and Quantum Cosmology and Astrophysics. http://www.ucolick.org/~george/gr/home.html

40. General Relativity :: School Of Mathematics Includes information about the group s research areas, staff, events, and collaborations. Research areas include gravitational waves, black holes, http://www.soton.ac.uk/maths/research/applied/subgroups/gr/gr.shtml

@import "/style/main.css"; Jump to content [j] Jump to global navigation [k] Jump to local navigation [l] University Links: Home page Site map Accessibility School of Mathematics Home Prospective Students Research ... events Enter your search terms: This site University Applied Group Research in Applied Maths General Relativity People Seminars Postgraduate Opportunities Modelling ... General Relativity Our research in General Relativity is focussed on Einstein's classical theory and its applications to astrophysics. We are particularly interested in the modelling of gravitational-wave sources, and work actively on many aspects of the dynamics of black holes and neutron stars using both approximate methods and fully nonlinear numerical simulations. The group, which is one of the largest General Relativity groups in Europe, has a number of international collaborations, including strong links with the Albert Einstein Institute in Golm (Germany) and the Center for Gravitational-wave physics at Penn State University (USA). We also have active links with the experimental effort to detect gravitational waves, both on the ground ( and LIGO ) and in space ( LISA Present research topics include: Gravitational wave astronomy is the science of using gravitational wave signals to learn about exotic astrophysical objects.

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