Third IUCSS Summer School and Workshop on the Lorentz- and CPT-violating Standard-Model Extension, Bloomington, Indiana, USA

The Third IUCSS Summer School and Workshop on the Standard-Model Extension (SME) will be held in the Physics Department at Indiana University, Bloomington from Friday June 15 to Saturday June 23, 2018. This event is aimed primarily at students and researchers in theory and experiment who seek a pedagogical introduction to the SME framework.

Starting from the foundations, the School lectures will explore theoretical, phenomenological, and experimental topics in Lorentz and CPT breaking and guide participants to the forefront of current research in the field. The discussion sessions are designed to reinforce and supplement the lecture material. A poster session will provide an opportunity for School participants to showcase their own research. An IUCSS Workshop on current research in Lorentz and CPT violation will be held concurrently during the last part of the School.

The School is envisaged to cover the following topics:

(1) Effective field theory for Lorentz and CPT breaking
– underlying sources for Lorentz and CPT violation
– construction of the minimal SME
– higher mass dimensions; nonminimal terms
– local Lorentz breakdown in gravity; no-go constraints
– spontaneous and explicit Lorentz and diffeomorphism breaking
– renormalization and other quantum-field properties of the SME
– the SME and Finsler geometry

(2) Phenomenological methods
– spherical notation for Lorentz-violating coefficients
– atomic matrix elements for phenomenological calculations
– linearization of Lorentz-breaking gravity
– phenomenology of gravitational-wave physics
– extraction of predictions for hadronic systems and QCD
– Lorentz- and CPT-violating contributions to atomic and nuclear energy levels
– description of Lorentz-breaking neutrino physics
– vacuum Cherenkov rates for Lorentz-violating particles

(3) experimental searches for Lorentz and CPT violation
– observations involving astrophysical photons
– measurements in short-range gravity
– Lorentz tests at colliders
– bounds from clock comparisons and spectroscopy of H-like systems
– results from neutrino kinematics and oscillations
– matter-antimatter comparisons
– experimental signals in strong-interaction physics
– searches involving the second- and third-generation, gauge, and Higgs sectors
– applications to spacetime torsion and nonmetricity

There is no registration fee for the School and Workshop, but online registration on or before April 30, 2018 is required. Due to space limitations the total attendance is likely to be capped, so early registration is advised to avoid disappointment.

Partial support for local housing may be available upon request. Participants desiring support should ask a senior scientist to send an email to the organizer, Ralf Lehnert, describing the need for support. Preference may be given to requests made before March 31, 2018.

ERC Post-Doctoral Research position in Gravitational Physics, Lisbon, Portugal

The Gravity Group at Tecnico (GRIT), part of the Center for Astrophysics and Gravitation in Técnico, Lisbon, invites applications for a postdoctoral position in Gravitational Physics (including strong-field Gravity, Numerical Relativity, ray-tracing in curved spacetimes, high-energy physics etc). The appointment is for two years.

More details on the group can be found at

A tentative date for the appointment is Jan 1 2019 (with possible variations to be agreed upon with the successful applicant). All candidates must hold a Ph.D. in Physics.

The GRIT group is the largest group in the country working on gravitational physics, and has strong connections with the gravity groups in Cambridge, Mississippi, Osaka, Paris, Rome, and Perimeter Institute. The group holda a European Research Council Grant and is currently chairing the COST Action GWVerse. The applicant is expected to contribute to the efforts of the group and to the training of students.

Applicants should send a 2-page curriculum vitae, a list of publications and a statement of research interests to the following e-mail address:


Please use the subject “Strong-field gravity”.
No letters of recommendation are necessary at this stage. Special importance will be given to original work plans with a high gain/high risk factor.

Applications should be received by June 1, 2018. Incomplete applications shall not be considered. Screening of applicants will begin on June 1, 2018 and will continue until the position is filled. For more information please contact Vitor Cardoso (vitor.cardoso[AT] These positions are supported by European Research Council.

2018 North American Einstein Toolkit Workshop, Atlanta, United States

Dear All,

The 2018 North American Einstein Toolkit Workshop will be held at the Georgia Institute of Technology in Atlanta, GA from June 18th to 20th, 2018. The Workshop will be an excellent opportunity to learn more about current developments and future plans of the Einstein Toolkit as well as to interact with some of the developers and active members of the community.

The three days of the Workshop will include code development updates, invited talks, contributed talks from active members of the Einstein Toolkit community and discussion sessions.

Registration will be starting soon and you can start preparing your travel plans. Please, follow the link to find more information.

Quantum Gravity meets Lattice QFT, Trento, Italy

AdS/CFT has been one of the most fruitful approaches to analyse the qualitative aspects of the dynamics of strongly interacting QFTs, most prominently QCD. As an approach to understanding the early stage of high energy heavy ion collisions, but also proton-proton collisions at LHC, it is, in fact, one of very few systematic approaches. However, it is not clear how reliable the description is quantitatively, because QCD is not a N=4, supersymmetric, conformal, SU(N) gauge theory with infinite N and the QCD coupling constant is of limited size. Individual contributions exist on both sides of the duality calculating the size of the relevant corrections (like the perturbative calculation of quantum corrections on the gravity side for finite N and finite coupling strength, the lattice simulation of SU(N) gauge theories with N>3, the calculation of perturbative corrections from non conformality on the QFT side, lattice simulation with partial supersymmetry …) but no systematic effort. In addition, more general scenarios for gauge/gravity dualities have been studied, extending beyond the realms of AdS, CFT, and string theory. The probability is high that quantitative contact can only be made on the basis of non-perturbative calculations on both sides, which is a very tall order. On the QFT side, lattice QFT is the best established tool to do so, while on the quantum gravity side resummed string theory is the main approach. In addition, there is an increased recent interest within loop quantum gravity in holographic computations.

The aim of the workshop is to bring some of the internationally leading experts in these fields together, formulate a more systematic strategy, and realize a few projects in the direction of a quantitative application of quantum gravity techniques to QCD in subsequent months.

23rd International Summer School on Global Analysis and Applications, Brasov, Romania

The program consists in:

1) Two independent lecture series on:
a) Geometric control theory, sub-Riemannian geometry and their applications in robotics and vision (Y.L. Sachkov) and
b) Foundations of Finsler geometry and its generalizations (N. Voicu, D. Krupka);

2) Two workshops:
a) 100 years after Finsler – Foundations and advances in Finsler geometry and
b) Geometric control theory, plus a commented poster session.

Lepage Research Institute (Slovakia) — Transilvania University of Brasov (Romania), University of Presov (Slovakia) — Eotvos Lorand University (Hungary), VSB-Technical University of Ostrava (Czech Republic) — Jagiellonian University in Krakow (Poland)

Arrival day: Sunday August 19
Departure day: Saturday August 25

The 23rd Summer School will take place in the historical city of Brasov, located in the center of Romania.

The program of the school consists of two comprehensive courses and workshop lectures, delivered by recognized specialists in the field, and commented poster session.

Teleparallel Gravity Workshop, Tartu, Estonia

Teleparallel Gravity Workshop in Tartu

is a continuation of the conference Geometric Foundations of Gravity in Tartu, 2017. The workshop will take place June 25-29, 2018 at the University of Tartu in Estonia. The aim of this workshop is to gather experts on teleparallel gravity and its modifications and discuss the recent advances and upcoming challenges within the field.

The participation at the conference is free for all participants, but we do not provide any financial assistance. The workshop is organized by the Laboratory of Theoretical Physics, University of Tartu.

Organising Committee:
– Laur Jaerv
– Manuel Hohmann
– Martin Krssak
– Christian Pfeifer

Physics and Astrophysics at the eXtreme (PAX IV), Pune, India

The next edition (fourth) of the “Physics and Astrophysics at the eXtreme” (PAX) meeting will be held in IUCAA, Pune (India) from August 7 – 10, 2018. We expect the meeting to end after lunch (around 2pm) on August 10.

For continuity, we plan to have discussion sessions on various topics that have been of interest in PAX meetings, which have examined what new physics and astrophysics current and future gravitational wave detectors may unravel, sometimes in conjunction with other electromagnetic and particle observations. However, one of the highlighted themes for this edition is Tests of General Relativity.

While interested participants are required to register for the meeting by June 15, 2018, there will be no registration fees charged. The registration website will be linked in the coming weeks from the meeting website.

At the moment, we seek a show-of-interest just so that we can apply for sufficient funding and reserve enough IUCAA guest-house and hotel rooms. Therefore, if there is a good chance that you will attend this meeting, please send a brief email to Ms. Pallavi Nalawade at the contact included here by April 15, 2018.

European Einstein Toolkit meeting 2018, Lisbon, Portugal

The European Einstein Toolkit meeting 2018 will be held at Instituto Superior Tecnico in Lisbon, running from September 10th to 13th, and will be an excellent opportunity for researchers and students interested in numerical relativity to interact and learn about the Einstein Toolkit and its development. The Einstein Toolkit is an open source software framework used by many numerical relativity groups around the world.

The first two days of the meeting will cover presentations and tutorials geared towards newcomers. Afterwards time will be devoted to more specialized topics. All are welcome throughout. Time will additionally be set aside for discussions on the future development of the Toolkit. There is no registration fee.

The 8th East Asian Numerical Astrophysics Meeting, Tainan, Taiwan

We would like to announce that the 8th east Asian numerical astrophysics meeting (EANAM8) will be held at Cheng-Kung University, Tainan, Taiwan, from Oct. 22 to Oct. 26, 2018. Our web page:

Numerical simulations have become even more important as detailed comparisons between theories and observations are now possible at a deeper level in most fields of astrophysics. The aim of this series of meetings is to bring (but not limited to) East-Asian numerical astrophysicists together and provide chances to learn each other’s work and explore possible collaborations among them. The scope of the meeting will encompass all major astronomical research fields that involve numerical simulations, including (but not limited to) cosmology, astronomical hydrodynamics, magnetohydrodynamics, radiative transfer, particle acceleration, and planetary / stellar / galactic dynamics. In addition, there will also be a focus on computer science applications directed toward astrophysics including numerical methods, simulation data analysis, high performance computing, and optimization for use on large scale computer clusters. Participants from outside of the East Asia are warmly welcome as well.

Important deadlines:
The registration deadline is the 30th of September 2018.
The abstract submission deadline is 22nd of September 2018.

Registration Fee:
US$150 / NT$4500 for regular participants and US$75 / NT$2250 for students.

Invited Speakers:

Xuening Bai (Tsinghua University)
Defu Bu (Shanghai Astronomical Observatory)
Hidenori Genda (Tokyo Institute of Technology)
Yang Guo (Nanjing University)
Eliu Huerta (NCSA, UIUC)
Hyesung Kang (Pusan National University)
Hyosun Kim (Korea Astronomy and Space Science Institute)
Jinho Kim (Korea Astronomy and Space Science Institute)
Juhan Kim (Korea Institute for Advanced Study)
Taysun Kimm (Yonsei University)
Koutarou Kyutoku (High Energy Accelerator Research Organization, KEK)
Takashi Okamoto (Hokkaido University)
Paul Ricker (UIUC)
Kengo Tomida (Osaka University)
Huiyuan Wang (University of science and technology of China)
Meng-Ru Wu (Institute of Physics, Academia Sinica)

Scientific Organizing Committee

Kyungjin Ahn (Chosun University)
Peng-Fei Chen (Nanjing University)
Jungyeon Cho (Chungnam National University)
Liang Gao (NAOC)
Shu-ichiro Inutsuka (Nagoya University)
Tomoaki Ishiyama (Chiba University)
Ing-Guey Jiang (National Tsing Hua University, Chair)
Dongsu Ryu (UNIST)
Yuichiro Sekiguchi (Toho University)
Hsien Shang (ASIAA)
Ronald Taam (ASIAA)
Chien-Chang Yen (Fu Jen Catholic University)
Feng Yuan (Shanghai Astronomical Observatory)

Local Organizing Committee

Alfred Chen (NCKU)
Charles Lin (NCKU)
Chun-Yu Lin (NCHC)
Min-Kai Lin (ASIAA)
Jimmy Liu (ASIAA)
Yao-Huan Tseng (ASIAA)
Yi Yang (NCKU)
Hwei-Jang Yo(NCKU)

Call for postdoctoral positions as part of PPGCosmo program, Brazil

The PPGCosmo program anticipates having three-year postdoctoral positions in astrophysics, cosmology and gravitation starting in August 2018. PPGCosmo is a Brazilian program consisting of four institutions from Brazil and five institutions outside Brazil. Its staff comprises 18 faculty members, see and for details. The monthly salary is Brazilian R$4,100 (tax free). Research topics are: dark matter and dark energy models, extensions and alternatives to general relativity, observational cosmology, primordial universe, cosmic microwave background, large-scale structure, galaxies and galaxy clusters, supernovae, gravitational lensing, tests of homogeneity and isotropy, black holes, quantum field theory in curved space-time, quantum gravity and its applications to cosmology and astrophysics. PPGCosmo participates in the international collaborations DES, LIGO, VIRGO, J-PAS, Euclid e LSST.
The program is based at the Federal University of Espirito Santo (UFES), in Vitoria, the capital of the state of Espirito Santo, Brazil – it is a well-connected and pleasant human-sized city. Postdoctoral researchers usually live at walking distance from both the University Campus and the seaside, in one of the most pleasant neighborhoods of Vitoria. Please note that life costs in Vitória are moderate: near the campus a meal costs about R$5-15, renting a room costs about R$500-700 and renting a studio or a small apartment about R$700-1,500.
To apply, please email a cover letter, C.V. and research statement to the address ppgcosmo[AT] and have at least two letters of reference sent to the same address. Use the subject “Application for PROFIX fellowship – “. The application deadline is May 6, 2018.

Brazilian School of Cosmology and Gravitation (BSCG-XVII), Rio de Janeiro, Brazil

The Center for Advanced Studies in Cosmology (CEAC) and the Brazilian Center for Physical Research (CBPF) announce the 17th edition of the Brazilian School of Cosmology and Gravitation to be held in the period from July 16th to 21st, 2018 at CBPF.
In this occasion, the Brazilian School of Cosmology and Gravitation will be celebrating 40 years of uninterrupted activity.

The BSCG, created in 1978 as the Brazilian School of Cosmology and Gravitation, was initially programmed to have a biannual periodicity, due to its internationalization in the 1980’s, became the Brazilian School of Cosmology and Gravitation (BSCG).
Throughout this period, we performed 16 versions of the BSCG, totaling 183 advanced courses in cosmology and related fields. These were undoubtedly years of intense activity and accomplishments. Many young scientists were formed in these schools, and several of them returned to the BSCG as Professors. Thus, was produced a new generation of extremely active researchers, focusing on global issues, looking to the skies and trying to understand the universe in which we live.

As science is essentially a collective activity, we have made several collaborations with cosmologists, physicists, astronomers and astrophysicists from several countries: Argentina, Chile, Venezuela, Peru, Uruguay, Mexico, Costa Rica, USA, Canada, France, Italy, England, Japan, New Zealand, Denmark, Bolivia, Portugal, Belgium, Switzerland, Germany and especially the BRICS countries, a block that includes Brazil, Russia, India, China and South Africa.

The BSCG has enabled the creation of an extremely active forum for scientific and intellectual exchanges between students and teachers, including scientists from different regions of the world, names of great importance in the international scientific community.

Our utopia
Knowing the universe does not affect our daily life, our life in practice, but it contributes enormously, so that we can transform our smallness in the face of the immensity of the cosmos, through the elevation of our soul. In this way, as the Italian theologian and philosopher Giordano Bruno (1548-1600) dreamed, we could use this knowledge, this dedication to the understanding of the universe, to make human beings less inclined to selfish plans, serving as an instrument capable of both modifying society and building a world in which solidarity is one of the most important values. This is our utopia.

At the time, we will be launching the BSCG’s 40th anniversary celebration booklet, which complements a similar publication of the event’s 30 years.

Our Committee
The BSCG has an international committee of great scientific representation, and is currently formed by the following scientists: E. Kolb (Fermilab, USA), R. Triay (Aix-Marseille Universite’, France), A. Dolgov (Istituto Nazionale di Fisica Nucleare, Italy), B. Mashhoon (University of Missouri, USA), U. Moschella (University of Insubria , Italy) and M. Novello (Chairman, CEAC / CBPF).

Local committee: M. Novello, S. Joras and M. Makler.

Attention members of the International Society on General Relativity and Gravitation (ISGRG)

ISGRG is about to conduct an electronic vote on (1) amending our constitution and (2) adjusting our dues. The purpose of this note is to ask members who did NOT receive my emailed annual letter on 7 March 2018 or 8 March 2018 (depending on your time zone) to contact me (beverlyberger[AT] You did not receive the letter for at least one of the following reasons: (1) I do not have a valid email address for you; (2) Your mailer rejected the email; (3) You are not actually a member in good standing; (4) The email is in your Inbox but you missed it.

The upcoming vote will start with an email from vote[AT] on 2 May 2018 (plus/minus 1 day depending on time zone) and will include a link to the voting website.

Inhomogeneous Cosmologies III, Krakow, Poland

Inhomogeneous Cosmologies meetings are small workshops of about 40 participants which gather experts in inhomogeneous cosmology. This year the workshop will take place during 16-21 September 2018 at the Jagiellonian University in Kraków, Poland.

Topics will include:
* exact cosmological solutions of the Einstein equations
* averaging and backreaction in cosmology
* numerical cosmological relativity
* observational tests

We will also have practical hands-on tutorials of the Einstein Toolkit and other free-licensed inhomogeneous cosmology software packages. The workshop sessions will start on the morning of Monday the 17th of September and continue to late afternoon Friday the 21st of September.

Due to the limited number of places available, registration by the early registration deadline of 15th June 2018, including a draft abstract, is strongly recommended. If places remain available, late registration will remain open until the late registration deadline of 24th August 2018 — see for details.

Contact: cosmology[at]

Scientific Organizing Committee
Eloisa Bentivegna, Thomas Buchert, Mikolaj Korzynski, Hayley Macpherson, Jan Ostrowski, Boud Roukema, Sebastian Szybka, David Wiltshire

Local Organizing Committee
Krzysztof Glod, Szymon Sikora, Sebastian Szybka

Living Reviews in Relativity: “Tests of chameleon gravity”

The open-access journal Living Reviews in Relativity has published a new review article on “Tests of chameleon gravity” by Clare Burrage and Jeremy Sakstein on 16 March 2018:

Burrage, C. and Sakstein, J.,
“Tests of chameleon gravity”,
Living Rev Relativ (2018) 21: 1.

Theories of modified gravity, where light scalars with non-trivial self-interactions and non-minimal couplings to matter—chameleon and symmetron theories—dynamically suppress deviations from general relativity in the solar system. On other scales, the environmental nature of the screening means that such scalars may be relevant. The highly-nonlinear nature of screening mechanisms means that they evade classical fifth-force searches, and there has been an intense effort towards designing new and novel tests to probe them, both in the laboratory and using astrophysical objects, and by reinterpreting existing datasets. The results of these searches are often presented using different parametrizations, which can make it difficult to compare constraints coming from different probes. The purpose of this review is to summarize the present state-of-the-art searches for screened scalars coupled to matter, and to translate the current bounds into a single parametrization to survey the state of the models. Presently, commonly studied chameleon models are well-constrained but less commonly studied models have large regions of parameter space that are still viable. Symmetron models are constrained well by astrophysical and laboratory tests, but there is a desert separating the two scales where the model is unconstrained. The coupling of chameleons to photons is tightly constrained but the symmetron coupling has yet to be explored. We also summarize the current bounds on f(R) models that exhibit the chameleon mechanism (Hu and Sawicki models). The simplest of these are well constrained by astrophysical probes, but there are currently few reported bounds for theories with higher powers of R. The review ends by discussing the future prospects for constraining screened modified gravity models further using upcoming and planned experiments.

Please, visit frequently our relativity channel ( at for other news.

Numerical Relativity beyond General Relativity, Benasque, Spain (2nd announcement)

The international workshop “Numerical Relativity beyond General Relativity” will be held at the Benasque Science Center (Spain) on June 3-9, 2018.

With the first detections of gravitational waves, we have entered an exciting new era in gravitational physics that enables us to learn about the fundamental properties of gravity with a completely new sense. In particular, it opens up the unique opportunity to probe gravity in its most challenging, strong-field, and dynamical regime. Theoretical predictions of the gravitational wave signal emitted during the late inspiral and merger of compact binaries in models of gravity beyond General Relativity (GR) are crucial to truly put Einstein’s theory to the test. Currently, most beyond-GR predictions are limited to the weak-field regime. How the gravitational waveform would look in the highly dynamical near-merger regime, however, is largely unknown. The latter requires full numerical simulations in beyond-GR theories — a field that is still in its infancy. It is our goal to kickstart this new emerging field in gravitational physics with a workshop on “Numerical Relativity beyond General Relativity.” Therefore, we wish to bring together experts in Numerical Relativity, fundamental tests of gravity, and gravitational wave data analysis to facilitate fruitful future collaborations.

Located in the beautiful landscape of the Pyrenees mountain range, the Benasque Science Center will provide an ideal environment to stimulate discussion, strengthen existing collaborations, and initiate new ones.

Conference dates: June 3-9, 2018
Registration deadline: April 10, 2018
Accommodation deadline: May 15, 2018

PhD positions in gravitational wave data analysis at Nikhef, Amsterdam, The Netherlands

The Virgo group at Nikhef has openings for several PhD students in gravitational wave data analysis.

Nikhef is the national institute for subatomic physics in The Netherlands, where approximately 175 physicists and 75 technical staff members work together in an open and international scientific environment. Together they perform excellent theoretical and experimental research in the fields of particle and astroparticle physics. Among the research collaborations Nikhef participates in are the ATLAS, LHCb and ALICE experiments at CERN, the KM3NeT neutrino telescope in the Mediterranean, the Virgo interferometer in Pisa, the XENON Dark Matter detector in Gran Sasso and the Pierre Auger cosmic rays observatory in Argentina. Nikhef is a collaboration between 5 major Dutch universities and the Nikhef research institute.

The successful candidates will work on the development of novel methods for analysing gravitational wave data from the LIGO and Virgo detectors, with a view on directly probing the structure of compact objects such as black holes and neutron stars. They will be members of the Virgo Collaboration, and will have full access to all Virgo and LIGO data.

A master degree in physics is required, and strong programming skills are highly desirable. The students will be employed by the NWO-I-foundation as junior scientists. They will receive a 4 year contract with a competitive salary. The conditions of employment of the NWO-I-foundation are excellent and can be found on the website of the employer:

The educational programme of the Dutch research school for subatomic physics offers annual graduate schools for PhD students, as well as frequent series of lectures on advanced topics in (astro)particle physics.

Qualified applicants are encouraged to apply through the online portal: Please be prepared to upload a curriculum vitae and have the email address ready of at least one referee who is willing to send a letter of recommendation on your behalf. The deadline for applications is May 15th, 2018.

Further information on these positions can be obtained from Prof. Dr. Chris Van Den Broeck (vdbroeck[AT]

GRG Editor’s Choice: recent highlight articles

In each volume of the journal General Relativity and Gravitation (GRG), a few papers are marked as “Editor’s Choice”. The primary criteria is original, high quality research that is of wide interest within the community.

Three recent articles deserve special attention (free-to-read access until April 15, 2018):

Giorgio Sarno, Simone Speziale and Gabriele V. Stagno, 2-vertex Lorentzian spin foam amplitudes for dipole transitions, Gen Relativ Gravit (2018) 50: 43.

Pedro V. P. Cunha and Carlos A. R. Herdeiro, Shadows and strong gravitational lensing: a brief review, Gen Relativ Gravit (2018) 50: 42.

Dario Brooks, Paul-Christopher Chavy-Waddy, Alan A. Coley, Adam Forget, Daniele Gregoris, Malcolm A. H. MacCallum and David D. McNutt, Cartan invariants and event horizon detection, Gen Relativ Gravit (2018) 50: 37.

Frank Schulz
Publishing Editor GRG

2018 Rotman Summer Institute in Philosophy of Cosmology, Goderich, Canada

Rotman Summer Institutes bring graduate students together with exceptional faculty from around the world to focus on a topic of special interest. The Rotman Summer Institute of 2018 will be aimed at promoting understanding of and research in issues in the philosophy of cosmology. It will be held from June 11 – 20, 2018, in a picturesque setting on the eastern shores of Lake Huron.

The two-week-long Summer Institute will consist in a series of lectures and seminar-style discussions, aimed both at surveying the current state of research in cosmology, and at discussing foundational issues. These lectures and discussions will be led by philosophers and cosmologists. Several roundtables and open discussion sessions will be scheduled to address issues that do not easily fit in any particular session, and to foster cross disciplinary exchanges. Graduate students will have an opportunity to present and discuss their own work at the end of the workshop.

The Institute will focus primarily on two new directions for research in philosophy of cosmology. The first regards the role of simulations in cosmology. In order to test a scientific theory, it is essential to extract from that theory precise predictions concerning what would be observed in the world if the theory were true. In many sciences, one can extract such predictions using various sorts of mathematical methods. But the systems that are of greatest interest in cosmology, and astrophysics more generally, are often simply too complex to treat using such methods. In order to extract testable predictions from the Standard Model of cosmology, cosmologists turn to computer simulations. But there are deep methodological difficulties that arise once we start relying on computer simulations, particularly given that in many cases we have no independent way of testing whether the assumptions, approximations, and numerical methods used in these simulations are reliable.

The second concerns the status of singularity theorems, and the global structure of spacetime, in light of proposals from quantum gravity theories that “resolve” the initial singularity. This is so despite the fact that there are a number of celebrated theorems in the context of classical general relativity, showing that singularities are “generic” features of general relativity. These theorems follow from basic facts concerning the conditions under which a “trapped surface” can be expected to develop in a relativistic spacetime with attractive gravitation. This situation leads to subtle issues concerning how we expect general relativity to approximate an underlying theory, and how that underlying theory can avoid the conditions assumed in the singularity theorems.

Invited speakers at the Institute include a mix of philosophers and cosmologists.

This event is made possible by a grant from the John Templeton Foundation, to Chris Smeenk and Jim Weatherall.

Postdoctoral positions, Institute of Cosmos Sciences (ICCUB), Barcelona, Spain

The Institute of Cosmos Sciences at the University of Barcelona (ICCUB) invites applications for up to two postdoctoral positions in the fields of Gravitation, String Theory, and Cosmology.

Outstanding applicants in all research areas will be considered; candidates with a background in gravitational wave research are particularly encouraged to apply.

Faculty members of our group include Jorge Casalderrey, Roberto Emparan, Bartomeu Fiol, Jaume Garriga, Cristiano Germani, Jaume Guasch, Raul Jimenez, David Mateos, Alessio Notari, Enric Verdaguer and Licia Verde. For more information, visit our website

Appointments will be for a period of up to 1 year, starting no later than Oct. 1st, 2018. The deadline for application is April 8, 2018.

This call will be funded by FPA2016-76005-C2-2-P (AEI/FEDER, UE) and by the Maria de Maeztu program.

Lecturer or Senior Lecturer in Mathematics at Otago, New Zealand

We are offering an opportunity for an academic appointment in Mathematics at the Lecturer or Senior-Lecturer level. The U.S. equivalent level of appointment is Assistant Professor (Lecturer) and Associate Professor (Senior Lecturer).

We welcome applications from candidates with research expertise in any area of Mathematics. Research areas of current Mathematics staff include harmonic analysis, fractional calculus with applications, functional analysis, graph theory, mathematical biology, mathematical physics, polar-marine physics, algebraic combinatorics and stochastic PDE.

The University of Otago is one of New Zealand’s most research-intensive universities. The University values research and research-informed teaching, and teaching assignments and loads are structured accordingly. The University is located in the vibrant southern city of Dunedin, gateway to the beautiful Otago region of New Zealand. We encourage academics to establish and maintain international research connections, and we support this with generous research and study leave.

Skills and Experience

Candidates for this position should have a PhD in Mathematics, a demonstrated commitment to ongoing mathematical research with a potential to develop a research program of international repute, and demonstrated success and/or aptitude in teaching Mathematics. The successful applicant will be capable of teaching the full range of our Mathematics courses at the undergraduate level, from first-year to Honours courses, and will supervise postgraduate research students.

The position will be offered as a confirmation-path (tenure track) position at the level of Lecturer/Senior Lecturer (equivalent to Assistant Professor (Lecturer) and Associate Professor (Senior Lecturer) in the North American system).

Further details on the position, the university and the application procedure can be found on the university website at specified URL.

International PhD Program on Astrophysics, Cosmology and Gravitation, Brazil

PPGCosmo is an international PhD program on Astrophysics, Cosmology and Gravitation that aims to give PhD students the opportunity to develop a successful international scientific career. The research topics range from theoretical to observational aspects of Astrophysics, Cosmology and Gravitation, including participation in collaborations such as LIGO, Euclid, J-PAS and DES. PPGCosmo is a Brazilian program consisting of five institutions from Brazil and four institutions from outside Brazil.

The call for applications for four 4-year PhD positions starting in August 2018 is now open. The student will be supervised by a Professor at a Brazilian institution and co-supervised by a Professor at an institution outside Brazil. For the compulsory postgraduate courses the student will be mainly based in Vitória (Espirito Santo, Brazil). It is expected that the student will have opportunities to visit the other Brazilian participating institutions and the co-supervisor’s non-Brazilian institution.

Please go to for further information.

Chalonge – De Vega Session: Cosmic Head News, Paris, France

Ecole Internationale d’Astrophysique Daniel Chalonge – Hector de Vega

Open Session Cosmic Head News – Actualites Cosmiques

Thursday 29 March 2018, 14h

at the Cite’ Internationale Universitaire de Paris, Maison de l’Argentine, 27 A boulevard Jourdan, 75014 Paris

Addressed to researchers in different fields, post-docs, students, teachers, journalists, communicators,…

At the Programme of this Session:

LISA & LISA Pathfinder results: Prof. Catia GRIMANI (Urbino)

What galaxy formation tells us about the Universe. Prof. Cristhopher CONSELICE (Nottingham)

What is missing in Cosmology. Prof Nicholas KAISER ( ENS Paris)

A new Quantum world at the Planck scale. Prof Norma G. SANCHEZ (CNRS-Observatoire de Paris LERMA)

The Kores programme at Turin: Prof Alba ZANINI (INFN-Turin, President of Kores-Ambassador Science & culture Chalonge-de Vega School, City of Turin)

…”Et Ce n’est pas tout”: (Citation d’Henri Poincare’)….

Please find here below the link to the poster/ announcemment and informations of this Session:

Looking forward to seeing you at this Session for a creative, fruitful and stimulating meeting,

The Chalonge- de Vega School Team

The Chalong-De Vega Programme 2018: The New Universe

Ecole Internationale d’Astrophysique Daniel Chalonge – Hector de Vega

PROGRAMME of the YEAR 2018:


New Topics on Quantum Physics in the Universe

(i) Quantum physics in stars, galaxies, dark matter and supermassive black holes. The New Synthesis

(ii) Quantum physics in cosmology, inflation, primordial gravitational waves, dark energy and the quantum vacuum. The New Synthesis

(iii) Quantum computing for the above, theory for big data and other new subjects in the spirit of the Chalonge-de Vega School.

The Programme is open to researchers, post-docs, advanced students, theorists, experimentalists, observers. Also open to teachers, journalists, communicators.

The Programme and Posters 2018 are available here:

Scientific support is available here:

With compliments and kind regards

PhD position in General Relativity, Otago, New Zealand

The Relativity group at the University of Otago, New Zealand invites applications for a PhD position in General Relativity, in particular on the gravitational wave emissions of rotating neutron stars. The position comes with a 3-year scholarship which covers tuition fees as well as an annual stipend of 25000 NZD.

The position is related to a Catalyst:Seeding grant from the Royal Society of New Zealand to J. Frauendiener to work on neutron star mountains and their gravitational wave signals. The project is joint with Prof. Andrew Melatos (University of Melbourne, Australia) and Prof. Susan Scott (Australian National University, Canberra) both members of OzGrav, the Australian Centre of Research Excellence for Gravitational Wave Discovery.

We are looking for a motivated person with a degree equivalent to MSc or BSc(Hons) in Theoretical or Mathematical Physics. Good mathematical skills are essential. Prior research experience in General Relativity or relativistic astrophysics is desirable.

The starting date of the position is on 1.6.2018. The position will be open until filled.

Please send applications (including CV and certificates) or any enquiries to joergf[AT]

Lectureship at University College Dublin, Ireland

University College Dublin is seeking to appoint a Lecturer (3 year position) in Statistics/Applied Mathematics within the School of Mathematics and Statistics. This position is part of an ongoing expansion in the areas of Data and Computational Science.

UCD School of Mathematics and Statistics is committed to research and teaching across the mathematical sciences, including mathematics, applied mathematics, statistics and actuarial science. The relativity group within the school consists of two permanent faculty (Prof. Adrian Ottewill and Dr. Barry Wardell), a Royal Society University Research fellow (Dr. Niels Warburton), plus several postdocs and students.

The successful candidate will be expected to engage in research in Statistics/Applied Mathematics, including supervision of research students and projects, and to contribute to the School’s wide-ranging programme of undergraduate and postgraduate teaching. The position would be ideal for someone working in gravitational wave data analysis, who has experience with statistics and theoretical physics.

For more details, please click on the link above and search for Job Ref 010174.

IHP Trimester 2018: Analytics, Inference, and Computation in Cosmology, Paris, France

Cosmology is about understanding the origin and evolution of the universe and the formation of all structure within it — one of the most challenging intellectual projects undertaken by humanity. To make progress, we need the most powerful mathematical methods available: analytics to guide us through subtle theoretical issues, simulations to compute the detailed quantitative predictions of the theory, and statistical inference to confront these predictions with large cosmological data sets.

The IHP trimester entitled “Analytics, Inference, and Computation in Cosmology,” will be dedicated not only to the “what” and the “why” but also, and specifically, to the “how” of cosmological calculation. Is the mathematical toolset of cosmology adequate for the challenges ahead? Where do we need new ideas?

Whether it be on advances in analytical techniques, innovative computational methods or new ways to infer cosmological information from cosmological data, this trimester will be an occasion to gather the leading experts from around the world to share their expertise, spark new ideas and collaborations, and equip the next generation of cosmologists with the innovative mathematical tools we need as we enter a new era in precision cosmology.

The trimester will consist of an introductory school in Corsica followed by a three month program at the IHP in Paris.

PhD position in bouncing cosmology, Nottingham, UK

This PhD project is mainly devoted to the study of cosmological inhomogeneities in two different “bounce” scenarios, in which the classical Big Bang singularity is resolved by quantum effects. The first of these scenarios describes the Universe as a “condensate” of a large number of quantum atoms of geometry within the group field theory approach to quantum gravity. The second scenario uses symmetry-reduced models with in which the Universe can make a quantum transition from a contracting to an expanding phase. The project will study cosmological perturbations within these two bounce models, explore potential observational signatures, and focus on the connection to other bounce scenarios and formalisms for quantum cosmology, such as loop quantum cosmology or the no-boundary proposal for quantum cosmology.

The PhD studentship is associated to the Royal Society University Research Fellowship project “Addressing the Big Bang singularity in quantum gravity and quantum cosmology” by Dr Steffen Gielen.

We are looking for an enthusiastic applicant with a first class degree in Theoretical/Mathematical Physics or equivalent (strong mathematical background is essential), preferably at MSc/MMath level, or equivalent non-UK degree. Candidates with a 2:1 degree can be considered in exceptional cases. Prior research experience in quantum cosmology or cosmological perturbation theory would be an advantage, but is not essential.

The studentship is for four years, and covers tuition fees at the Home/EU rate as well as a stipend of currently £14,553 per year.

Starting date can be October 2018 or earlier; the position will be open until filled.
Review of applications will begin shortly, so early application is strongly recommended. Please write to the email address above if you are interested in applying.

IGFAE Senior postdoc/Junior staff, Santiago de Compostela, Spain

Position at the Galician Institute of High Energy Physics (IGFAE) in Santiago

Call for applications – Senior postdoc/Junior staff
Gravitational wave research in LIGO/Virgo

The Galician Institute of High Energy Physics (IGFAE) in Santiago de Compostela (Spain) invites applications for its Global Talent program.

The Institute has been recently awarded a Maria de Maeztu Unit of Excellence from the Spanish Ministry and plans to expand its research activities to the area of Gravitational Waves, among others. We anticipate that one of the Global Talent fellowships will be awarded to an outstanding candidate in the LIGO/Virgo Collaboration.

We offer a 3-year contract with salary level equivalent to a Junior Faculty in Spain (extension of the contract will be subject to additional funds). We also plan to open one 2-year regular postdoc and one PhD student positions linked to the offer for gravitational waves. Both positions will be under the supervision of the Global Talent fellow. Besides, the Global Talent position includes research supporting funds for the candidate.

Interested candidates, please, apply through Academic Jobs Online

before the deadline March 20, 2018

More information about IGFAE
Email: jobs[AT]

Special Issue “Origin of the Universe”

Dear Colleagues,

The birth of the universe out of the M-theory landscape remains an important question in modern cosmology. Questions such as “Why are the only three large spatial dimensions?”, “What drives inflation?”, and “Is there observable evidence of the birth of the universe out of the M-theory landscape?” are subjects of active debate. We invite colleagues to submit papers on the following topics:

Trans-Plankian inflation
Models of inflation
Constraints on Inflation effective potentials
Brane-world inflation
Constraints on Inflation initial conditions
Primordial gravitational waves
Cosmic dark flow and large-scale structure
Origin of the cold spot in the CMB
Anomalies in the CMB from inflation and the M-theory landscape
Supersymmetric Inflation
Primordial nucleosynthesis constraints on the birth of the universe
Constraints on time-varying fundamental constants
Constraints on anisotropic cosmological models
Why are there three large dimensions

Prof. Dr. Grant J. Mathews
Prof. Dr. Laura Mersini Houghton
Guest Editors

21st Eastern Gravity Meeting, Brooklyn, NY

The 21st Eastern Gravity Meeting, hosted by Long Island University-Brooklyn, will be held Thursday, May 24 and Friday, May 25, 2018 in Brooklyn, NY. For further information, registration and abstract submission, see

This annual regional meeting is open to researchers of all levels, from undergraduate students to faculty, in all areas of gravitational physics, including classical, quantum, theory, observation, computation and experiment. The purpose of the conference is to encourage the interaction of researchers in the Northeastern region.

The format of the meeting will follow the format of previous regional meetings where all participants may present a talk of approximately 10-15 minutes, depending on the total number of talks. Abstracts will be selected following the order in which they are submitted. Therefore, to maximize chances of acceptance, it would be best to submit an abstract early. There is no registration fee. A prize for the best talk by a student will be given and so please indicate in your registration if you are a student.

Matt Lippert (LIU-Brooklyn)
Mike Kavic (LIU-Brooklyn)
Steve Liebling (LIU-Post)