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June 2025

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[Hyperspace-list] Hyperspace Bulletin for June 2025
by hyperspace＠itp.uni-frankfurt.de 02 Jun '25

02 Jun '25

########################################### Table of Contents ########################################### 1. Conferences 1.1. Quantum Reference Frames 2025, Okinawa, Japan 1.2. Extremal Black Holes and the Third Law of Black Hole Thermodynamics, Providence, RI USA 1.3. Pencil code school and user meeting, Geneva, Switzerland 1.4. II Sao Paulo School on Gravitational Physics (online) 1.5. COSMO-25, Pittsburgh, USA 1.6. Gravitational-Wave Physics and Astronomy Workshop (GWPAW) 2025, Atlanta, GA, USA 2. Jobs 2.1. PhD position in mathematical relativity, Nijmegen, The Netherlands 2.2. Postdoc positions, Huairou, Beijing, China 2.3. Postdoc position in gravitational-wave source modelling, Southampton, UK 2.4. Tenure-track appointment in Astrophysics, Milan, Italy 2.5. Professorship for Relativistic Astrophysics, Jena, Germany 2.6. Postdoc position, Warsaw, Poland 2.7. PhD position, Warsaw, Poland 2.8. Postdoc position in gravitational waves theory, Jena, Germany 3. News 3.1. Blaumann Prize 2025 3.2. Book: Fourth Edition of "Quantum Gravity" by C. Kiefer 3.3. Gravity Research Foundation, Awards for Essays for 2025 3.4. Evolved LISA Consortium: information and sign-up 3.5. The Thirtieth Release of the Einstein Toolkit ============================================== 1. Conferences ============================================== 1.1. Quantum Reference Frames 2025, Okinawa, Japan --------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29533 Starting: 2025-10-13 to 2025-10-17 Location: Okinawa, Japan Additional Information: https://www.oist.jp/conference/qrf-2025 Contact: qrf2025[AT]oist.jp Quantum reference frames are a universal tool for dealing with symmetries in quantum systems. They thus arise in seemingly disparate areas such as quantum gravity, gauge theories, quantum information theory, and the foundations of quantum theory. They are the tools for describing quantum systems "from the inside", and a core development is that they give rise to a novel quantum covariance of physical laws and properties. This workshop will bring together leading experts on quantum reference frames and the many related subjects in the first focused event in the new era of quantum frame covariance. Owing to their diverse range of applicability, a number of approaches to quantum reference frames have emerged. This event will reflect these diverse developments and aim to unify and streamline them. Our goal is to bring representatives from different approaches and disciplines in which quantum frames appear together to discuss and foster building an emergent community. The workshop will include contributed talks, discussions, a poster session, and some social activity. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1.2. Extremal Black Holes and the Third Law of Black Hole Thermodynamics, Providence, RI USA --------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29559 Starting: 2026-01-05 to 2026-01-09 Location: Providence, RI USA Additional Information: https://icerm.brown.edu/program/topical_workshop/tw-26-ebh Contact: steve.liebling[AT]liu.edu Applications are now open for an upcoming workshop, "Extremal Black Holes and the Third Law of Black Hole Thermodynamics" planned for January 5-9, 2026 at ICERM, Brown University, US. The aim of the workshop is to explore the implications and next steps of recent advances in understanding the dynamics and thermodynamics of near extremal black holes. By bringing together researchers in this area spanning the wide range of approaches, from rigorous mathematics, perturbation theory, and numerical methods, the workshop will focus on future directions. Extremal black holes are mathematical solutions of Einstein's equations describing stationary black holes with either maximal spin or maximal charge, and these black holes have special properties such as zero temperature. Recent studies have found certain surprising aspects of their dynamics including scalar hair and an avenue for their formation from subextremal configurations that violate the third law of black hole thermodynamics. These results raise a number of questions including the stability and critical behavior of such solutions that may be addressed via other research avenues. Regards, Stefanos Aretakis Radouane Gannouji Elena Giorgi Gaurav Khanna Steven Liebling Thomas Maedler +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1.3. Pencil code school and user meeting, Geneva, Switzerland --------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/23/pencil-code-school-and-user-… Starting: 2025-10-20 to 2025-10-31 Location: Geneva, Switzerland Additional Information: https://indico.cern.ch/e/PCUM2025 Contact: alberto.roperpol[AT]unige.ch Pencil Code is a modular MPI public code to efficiently solve coupled systems of partial differential equations in high-performance computing architectures using high-order finite-difference schemes. Started in 2001 by A. Brandenburg and W. Dobler, its core application initially focused on magnetohydrodynamics (MHD) for solar physics. Since then, it has been continuously under development by a total of 90 contributors covering a broad range of applications. In particular, it has been used for studies of early universe physics including the evolution and formation of primordial magnetic fields and chiral MHD; the production of gravitational waves and propagation of gravitational waves in modified gravity, and inflation. Due to the recent and undergoing developments in cosmology applications with Pencil Code and the growing interest by the research community, this CERN TH institute will consist of: The 1st Pencil Code school on early Universe physics and gravitational waves (Oct 20-24) The 21st Pencil Code user meeting 2025 (Oct 27-31) The Pencil Code school on early Universe physics and gravitational waves targets early-career and senior researchers that are interested in learning and developing numerical skills applied to early Universe physics using the Pencil Code. The lectures will cover numerical aspects: Introduction to Pencil Code, Finite-difference schemes for partial differential equations, Post-processing of data with IDL and Python, GPU acceleration of Pencil Code; as well as applications to particular physics cases with hands-on exercises on: Magnetohydrodynamics of the early Universe, Generation and evolution of primordial magnetic fields, Chiral magnetohydrodynamics, First-order phase transitions, Gravitational wave production, Axion inflation Registration is open and will close on July 31st. The school is limited to a maximum of 30 participants. Participants of the school are encouraged to also participate in the user meeting (Oct 27-31) and need to register separately. Registration for the Pencil Code user meeting (PCUM2025) is open and will close on September 28th. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1.4. II Sao Paulo School on Gravitational Physics (online) --------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29578 Starting: 2025-07-14 to 2025-07-18 Location: Online Additional Information: https://graspschool.github.io/2025/ Contact: graspschool[AT]gmail.com The II Sao Paulo School on Gravitational Physics (II GraSP) is an initiative led by early-career researchers to explore and promote the multifaceted aspects of gravity. In 2025, we invite students with prior experience in general relativity to learn more about twistors and tests of strong gravity, while younger students will have the opportunity to explore special relativity and the fundamental principles of black hole physics. There is no registration fee. Registration: 15 June 2025 to 07 July 2025 School: 14 July 2025 to 18 July 2025 Languages: Two courses in English (twistors and strong gravity), and two courses in Portuguese (special relativity and black holes). Eligible Applicants: All interested physics students may apply for courses in English, and Brazilian physics students may apply for courses in Portuguese. Courses in English assume previous experience with general relativity, courses in Portuguese do not. For more information, see the school website: https://graspschool.github.io/2025/ Organizers: - Nickolas de Aguiar Alves, Federal University of ABC, Brazil - Bruno Arderucio Costa, Troy University, USA - Caio Cesar Rodrigues Evangelista, Federal University of Ceara, Brazil - Rafael Grossi e Fonseca, University of Sao Paulo, Brazil - Clara Roldan Dominguez, Federal University of Espirito Santo, Brazil Speakers: - Nickolas de Aguiar Alves, Federal University of ABC, Brazil - Caio Cesar Rodrigues Evangelista, Federal University of Ceara, Brazil - Rafael Grossi e Fonseca, University of Sao Paulo, Brazil - Prajwal Hassan Puttasiddappa, University of Oslo, Norway, and Federal University of Espirito Santo, Brazil +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1.5. COSMO-25, Pittsburgh, USA --------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29584 Starting: 2025-10-13 to 2025-10-17 Location: Pittsburgh, USA Additional Information: https://events.mcs.cmu.edu/cosmo-25/ Contact: rpenco[AT]andrew.cmu.edu This is the 28th International Conference on Particle Physics and Cosmology (COSMO-25), which this year is hosted by Carnegie Mellon University in Pittsburgh. This annual conference series, one of the largest venues for researchers at the intersection of particle physics and cosmology, brings together world experts to discuss the latest advancements in the field. Plenary speakers include: - Lam Hui (Columbia) - Enrico Pajer (Cambridge) - Shinji Mukohyama (Kyoto) - Max Isi (Flatiron Institute) - Chiara Mingarelli (Yale ) - Justin Khoury (UPenn) - Marko Simonovic (Florence) - Austin Joyce (Chicago) - Vivian Poulin (Montpellier) - Chihway Chang (Chicago) - Mathieu Schaller (Leiden) - Andrew Long (Rice) - Mike Boylan-Kolchin (UT Austin) - Paolo Creminelli (ICTP) - Jo Dunkley (Princeton) - Dan Scolnic (Duke) - Caitlin Casey (UCSB) - Raman Sundrum (Maryland) - Phil Marshall (SLAC) - Anais Moller (Swinburne University) - Sesh Nadathur (Portsmouth) - Yvonne Wong (UNSW Sydney) - Tien-Tien Yu (Oregon) - Dan Green (UC San Diego) - Scott Dodelson (Fermilab) Please use the link below to submit a presentation or poster (by July 1), or register for the conference (by Sep 15). We look forward to seeing you in Pittsburgh this Fall! +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1.6. Gravitational-Wave Physics and Astronomy Workshop (GWPAW) 2025, Atlanta, GA, USA --------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/29/gwpaw-2025/ Starting: 2025-12-01 to 2025-12-04 Location: Atlanta, GA, USA Additional Information: https://sites.gatech.edu/gwpaw2025/ Contact: gwpaw2025[AT]gatech.edu We are excited to announce that the next Gravitational Wave Physics and Astronomy Workshop (GWPAW 2025) will be held at Georgia Tech from December 1-4, 2025. Located in the heart of midtown Atlanta, Georgia Tech offers convenient access via direct flights and easy connections from most major airports. The workshop will feature the latest results from gravitational-wave experiments and explore their implications for multi-messenger astrophysics and future experiments. Registration and abstract submission will open on June 15. For updates and more information, please visit the web site linked above. We look forward to welcoming you in December! Tamara Bogdanovic, Laura Cadonati, Meg Millhouse, and Surabhi Sachdev on behalf of the Local and Scientific Organizing Committees +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ============================================== 2. Jobs ============================================== 2.1. PhD position in mathematical relativity, Nijmegen, The Netherlands ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29521 Deadline: 2025-05-15 Location: Nijmegen, The Netherlands Additional Information: https://www.ru.nl/en/working-at/job-opportunities/phd-position-mathematical… Contact: sharmila.gunasekaran[AT]ru.nl Excited by the geometry of spacetime? Join Radboud University's Department of Mathematics for a four-year PhD in mathematical relativity. Explore perturbations in relativity, contribute to groundbreaking research, and gain valuable experience in an active academic community. The Department of Mathematics at Radboud University (Nijmegen, Netherlands) is seeking an outstanding and highly motivated PhD candidate to work on a PhD project on mathematical relativity. The position, supervised by Sharmila Gunasekaran, will be funded for four years and includes a light teaching load (10%). Specific areas of interest include but are not limited to understanding how perturbations influence geometric structures in relativity. Potential problems include understanding spacetime stability through PDE-based analytical techniques and rigidity of quasi-Einstein metrics. You will participate in relevant conferences, workshops and seminars and communicate your findings through publications in peer-reviewed journals. Upon successful completion, you will be awarded a PhD degree from Radboud University. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.2. Postdoc positions, Huairou, Beijing, China ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/10/postdoc-positions/ Deadline: 2025-10-28 Location: Huairou, Beijing, China Additional Information: https://www.mathjobs.org/jobs/list/21900 Contact: piotr[AT]bimsa.cn We wish to draw attention to open postdoctoral positions at the Beijing Institute of Mathematical Sciences and Applications, Huairou. We encourage candidates with interest and expertise in all mathematical aspects of general relativity to apply. Applications should be submitted through the MathJobs website. Candidates should send an email to lars.anderson[AT]bimsa.cn and piotr[AT]bimsa.cn informing us about the application. Lars Andersson and Piotr T. Chrusciel +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.3. Postdoc position in gravitational-wave source modelling, Southampton, UK ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/13/postdoc-position-in-gravitat… Deadline: 2025-06-09 Location: Southampton, UK Additional Information: https://jobs.soton.ac.uk/3095625PJ Contact: leor[AT]soton.ac.uk The University of Southampton is inviting applications for a Research Fellow in gravitational-wave source modelling. The successful candidate will join Leor Barack's STFC-funded programme to study black hole scattering as a precision probe of inspiral-merger dynamics using self-force methods. Southampton's School of Mathematical Sciences is home to a large research group in gravitational physics, currently comprising 16 staff members, over 10 postdocs, and around 20 PhD students. Research in the group includes black-hole and neutron-star physics, gravitational-wave source modelling and data analysis, gravitational self-force, numerical relativity, string theory and holography. The group is involved in the LISA Consortium, the LISA DDPC, the LIGO Scientific Collaboration, and the Einstein Telescope Observational Science Board. Candidates should be able to demonstrate a track record of research work in at least one of the following areas: the relativistic two-body problem (including post-Newtonian or post-Minkowskian theories), gravitational self-force theory, black hole perturbation theory, numerical relativity, mathematical relativity. The applicant will have, or be about to obtain, a relevant PhD degree in physics or mathematics, or will have equivalent professional qualifications and experience. The post is full time fixed term until 30/06/2028, with a negotiable start date between 1 July 2025 and 31 October 2025. Applications for Research Fellow positions will be considered from candidates who are working towards or nearing completion of a relevant PhD qualification. The title of Research Fellow will be applied upon successful completion of the PhD. Prior to the qualification being awarded the title of Senior Research Assistant will be given. A complete application should include (i) a CV, including a list of publications, (ii) a statement of research interests (1 to 2 pages), and (iii) the contact information of at least two referees. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.4. Tenure-track appointment in Astrophysics, Milan, Italy ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/15/tenure-track-appointment-in-… Deadline: 2025-06-12 Location: Milan, Italy Additional Information: https://www.unimib.it/ateneo/gare-e-concorsi/2025-rtt-027-dipartimento-fisi… Contact: davide.gerosa(a)unimib.it The University of Milano-Bicocca (Milan, Italy) invites applications for a tenure-track professorship in Astrophysics. Milano-Bicocca hosts a vibrant astrophysics group consisting of 11 faculty members, approximately 25 postdocs, and around 15 PhD students. The group has a strong track record of securing national and international funding, with 6 recently awarded ERC grants. We are part of a larger physics department with about 70 faculty members and are situated on a dynamic campus with 40,000 students. Milan is a modern, international city in northern Italy, close to the stunning Alps, offering a lively cultural scene, excellent food, and a high quality of life. Current interests of the group include gravitational-wave astronomy, formation and evolution of cosmic structures, and experimental cosmology. At the same time, we are open to all strong candidates willing to bring their ambitious research programs in astrophysics to Milan. The position will be at the assistant professor level ("RTT" in the Italian system), a tenure-track appointment with a well-defined path to tenure within either three or six years, depending on performance. The anticipated start date is fall 2025, though this is negotiable. Responsibilities include conducting research at the highest international standards, teaching BSc and MSc courses, mentoring students, and securing external funding. Interested candidates are invited to apply by June 12th, 2025: https://www.unimib.it/ateneo/gare-e-concorsi/2025-rtt-027-dipartimento-fisi… Knowledge of the Italian language is not required to apply; the online application portal is available in English. We strive to build a diverse and inclusive environment and welcome applications from traditionally underrepresented groups. For inquiries, please contact Prof. Michele Fumagalli (michele.fumagalli[AT]unimib.it). +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.5. Professorship for Relativistic Astrophysics, Jena, Germany ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/19/professorship-for-relativist… Deadline: 2025-07-01 Location: Jena Additional Information: https://berufungsportal.uni-jena.de/ Contact: sebastiano.bernuzzi[AT]uni-jena.de The Department of Physics and Astronomy of the Friedrich Schiller University Jena (Germany) invites applications for a W3 (or W2 with tenure track to W3) professorship for Theoretical Physics - Relativistic Astrophysics starting in the summer semester 2026. The successful candidate is expected to have demonstrated broad expertise in scientific research and high competence in teaching in this subject area. We search for excellence in gravitational physics and relativity theory, with research interests in general relativistic astrophysics, gravitational waves and their sources, as well as mathematical and theoretical foundations of classical and modified gravity. With regard to technical expertise, a strong background in mathematical and/or numerical relativity is desired. A close collaboration with existing groups at the department is expected, especially with other theoretical research groups in the areas of theoretical physics, quantum field theory, astronomy and/or computational physics. These activities should be strengthened and expanded, in particular with respect to coordinated funding programs, while additional, new initiatives are welcome. Experience in grant acquisition and leadership in science management are required. Applications including cover letter, CV, research and teaching concepts, list of publications and acquired third-party funding should be submitted electronically to the University job portal (https://berufungsportal.uni-jena.de/) no later than July, 1st 2025. See https://berufungsportal.uni-jena.de for the full text of the announcement. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.6. Postdoc position, Warsaw, Poland ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/22/postdoc-position-at-the-poli… Deadline: 2025-06-30 Location: Warsaw, Poland Additional Information: https://euraxess.ec.europa.eu/jobs/343757 Contact: pchrusciel[AT]cft.edu.pl The Director of the Center for Theoretical Physics of the Polish Academy of Sciences (CTP PAS) invites applications for a post-doctoral position at CTP PAS within the GRAVITES project, implemented as part of the Horizon Europe programme (project no 101071779, https://cordis.europa.eu/project/id/101071779) financed by the European Research Council (ERC) of the European Union. This part of the project is led by Piotr Chrusciel. The successful Candidate will devote a major part of his research time to theoretical aspects of experiments related to quantum photonic states in optical fibres interacting with the gravitational field. Required qualifications and skills: Knowledge, and ideally expertise in the areas of classical theory of gravitation and of quantum photonics. The position is offered for an initial period of 2 years with the possibility of extension until the end of the project, i.e. March 2029. The starting date of the appointment is August 1, 2025, possibly later if more convenient after mutual agreement. The salary range is 12-15 thousand PLN gross, depending on the Candidate's qualifications. See the Euraxess link for the details of the application procedure +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.7. PhD position, Warsaw, Poland ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/22/phd-position-at-the-polish-a… Deadline: 2025-06-30 Location: Warsaw, Poland Additional Information: https://euraxess.ec.europa.eu/jobs/343756 Contact: pchrusciel[AT]cft.edu.pl The Director of the Center for Theoretical Physics of the Polish Academy of Sciences (CTP PAS) invites applications for an assistant (doctoral student) at CTP PAS within the GRAVITES project, implemented as part of the Horizon Europe programme (project no 101071779, https://cordis.europa.eu/project/id/101071779) financed by the European Research Council (ERC) of the European Union. This part of the project is led by Piotr Chrusciel. The successful Candidate will devote a major part of his research time to theoretical aspects of experiments related to quantum photonic states in optical fibres interacting with the gravitational field. Requirements: Expertise in at least one of the areas of classical theory of gravitation and of quantum photonics; interest in both. The position is offered for an initial period of 2 years with the possibility of extension until the end of the project, i.e. March 2029. The starting date of the appointment is August 1, 2025, possibly later if more convenient after mutual agreement. The salary range is around 9500 PLN gross, depending on the Candidate's qualifications. See the Euraxess link for details of the application procedure +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2.8. Postdoc position in gravitational waves theory, Jena, Germany ------------------------------------------------------------- Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/29/postdoc-position-in-gravitat… Deadline: 2025-08-01 Location: Jena, Germany Additional Information: https://www.physik.uni-jena.de/en/64/institute-for-theoretical-physics Contact: sebastiano.bernuzzi[AT]uni-jena.de Applications are invited for a postdoctoral research position at the Friedrich-Schiller-Universitaet Jena. The appointment is associated with the research group of Prof. Sebastiano Bernuzzi at the Theoretical Physics Institute. The selected candidate is expected to work on the project "GROOVHY: Gravitational radiation from black holes' hyperbolic mergers", which is funded by the Deutsche Forschungsgemeinschaft (DFG). The project's workplan spans effective-one-body models for hyperbolic and generic-orbit binary black hole mergers, numerical-relativity and test-body perturbative simulations, and Bayesian data analysis of non-circularized black hole mergers. The project is embedded in an ongoing scientific effort on gravitational-wave science and modeling of multimessenger signals. The successful candidate has the opportunity to join the international Virgo, LISA and/or Einstein Telescope collaborations. The Jena group is also part of the computational relativity (CoRe) collaboration. Applications should be received by August 1st, 2025, but will be considered until the position is filled. The appointment is for one year and should start in April 2026. An extension may be possible depending on finding availability. Electronic applications with subject "Application for PD position - SURNAME NAME" should be send to: sebastiano.bernuzzi[AT]uni-jena.de Please attach a single PDF with a cover letter, a curriculum vitae with a list of publications, a brief description of research interests, and a list of three potential referees, who may be contacted separately. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ============================================== 3. News ============================================== 3.1. Blaumann Prize 2025 ------------------------------------------------------------ Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29526 Additional Information: https://blaumannfoundation.org/en/blaumann-prize/ Blaumann Prize 2025 Call for nominations or self nominations Deadline: 2025-June-15 The Blaumann Foundation announces the Blaumann Prize 2025 to recognize a scientific or philosophical work of a young researcher, relevant for the advance of our conceptual understanding of how Nature works at the most fundamental level we can currently reach. The Prize is in the amount of 20.000 Euro. The Jury can choose to split this total amount among up to three ranked winners. Details and online Nominations at the webpage https://blaumannfoundation.org/en/blaumann-prize/ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3.2. Book: Fourth Edition of "Quantum Gravity" by C. Kiefer ------------------------------------------------------------ Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/07/fourth-edition-of-quantum-gr… Additional Information: https://global.oup.com/academic/product/quantum-gravity-9780198842132?q=Cla… Claus Kiefer: "Quantum Gravity" (Fourth Edition) International Series of Monographs on Physics 176, 434 pages Oxford University Press 2025 Table of contents: 1: Why quantum gravity? 2: Covariant approaches to quantum gravity 3: Parametrized and relational systems 4: Hamiltonian formulation of general relativity 5: Quantum geometrodynamics 6: Quantum gravity with connections and loops 7: Quantization of black holes 8: Quantum cosmology 9: String theory 10: Phenomenology, decoherence and the arrow of time For more information, see https://global.oup.com/academic/product/quantum-gravity-9780198842132?q=Cla… ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3.3. Gravity Research Foundation, Awards for Essays for 2025 ------------------------------------------------------------ Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/14/gravity-research-foundation-… Additional Information: https://www.gravityresearchfoundation.org Gravity Research Foundation PO BOX 81389 Wellesley Hills MA 02481-0004, USA Roger W. Babson (Founder), George M. Rideout, Jr. (President) The trustees are pleased to announce the Awards for Essays for 2025. 1. USD 4,000 - Probing Quantum Structure in Gravitational Radiation by Sreenath K. Manikandan, Nordita, Stockholm University and KTH Royal Institute of Technology, Stockholm, Sweden; email: sreenath.k.manikandan[AT]su.se and Frank Wilczek, Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; T. D. Lee Institute and Wilczek Quantum Center, Shanghai 200240, China; Arizona State University, Tempe, AZ 85287, USA; Stockholm University, Stockholm, Sweden; email: wilczek[AT]mit.edu 2. USD 700 - It Costs Nothing to Teleport Information into a Black Hole by Jonah Kudler-Flam, School of Natural Sciences, Institute for Advanced Study, Princeton, NJ 08540, USA; Princeton Center for Theoretical Science, Princeton University, Princeton, NJ 08544, USA; email: jkudlerflam[AT]ias.edu and Geoff Pennington, Center for Theoretical Physics and Department of Physics, University of California, Berkeley, CA 94720, USA; email: geoffp[AT]berkeley.edu 3. USD 600 - The Persistence of Non-Linear Gravitational Wave Memory by Robert R. Caldwell, Department of Physics and Astronomy, Dartmouth College, Hanover, NH 03755, USA; email: robert.r.caldwell[AT]dartmouth.edu 4. USD 500 - Quantum Optics in Curved Spacetime: Surprises and Insights by Marlan O. Scully1,2,3; email: scully[AT]tamu.edu, Anatoly A. Svidzinsky1: email: asvid[AT]physics.tamu.edu, and William Unruh1,4; email: unruh[AT]physics.ubc.ca, 1Texas A&M University, College Station, TX 77843, USA; 2Princeton University, Princeton, NJ 08544, USA; 3Baylor University, Waco, TX 76798, USA; 4University of British Columbia, Vancouver, BC, Canada V6T 1Z1 5. USD 400 - Space Cannot Stretch Too Fast by Samir D. Mathur, Department of Physics, The Ohio State University, Columbus, OH 43210, USA; email: Mathur.16[AT]osu.edu Selected for Honorable Mention this year were (listed in alphabetical order): Ronald J. Adler; Stephen L. Adler; Asier Alonso-Bardaji; Ana Alonso-Serrano, Luis J. Garay and Marek Liska; Stefano Antonini and Pratik Rath; Benjamin Avila-Lopez, Richard MacKenzie, Fernando Mendez and M. B. Paranjape; Vijay Balasubramanian and Tom Yildirim; Tom Banks; Ning Bao and Grant N. Remmen; Per Berglund, Andrew Geraci, Tristan Huebsch, David Mattingly and Djordje Minic; Juan Calderon Bustillo, Adrian del Rio, Samson H. W. Leong and Nicolas Sanchis-Gual; Marcelo Botta Cantcheff; Subenoy Chakraborty and Madhukrishna Chakraborty; Indranil Chakraborty, Susmita Jana and S. Shankaranarayanan; Sayantan Choudhury; Christian Corda and Carlo Cafaro; Naresh Dadhich; Shiladittya Debnath; H. P. de Oliveira; Konstantinos Dialektopoulos, Theodoros Papanikolaou and Vasillios Zarikas; Joshua Erlich; Mir Faizal, Lawrence M. Krauss, Arshid Shabir, Francesco Marino and Behnam Pourhassan; Antonia M. Frassino, Robie A. Hennigar, Juan F. Pedraza and Andrew Svesko; Eduardo Guendelman; Wu-Zhong Guo; Ladina Hausmann and Renato Renner; Marc S. Klinger and Robert G. Leigh; Madhur Mehta; Meysam Motaharfar and Parampreet Singh; Y. Jack Ng and Eric Steinbring; Luciano Petruzziello, Trinidad B. Lantano Pinto, Susana F. Huelga and Martin B. Plenio; Fabrizio Pinto; Ioannis Soranidis and Daniel R. Terno; Christos G. Tsagas; Gabriel Wong. This announcement and abstracts of award-winning and honorable mention essays are posted on our web site, http://www.gravityresearchfoundation.org. The five award-winning essays are also posted on our website and will be published in the October 2025 SPECIAL ISSUE of the International Journal of Modern Physics D (IJMPD). ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3.4. Evolved LISA Consortium: information and sign-up ------------------------------------------------------------ Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/?p=29573 Additional Information: https://www.lisamission.org/team/ After the adoption of the LISA mission by ESA in January 2024 the LISA Consortium has gone through a transition period in which a Consortium Constituent Council prepared the evolution of the consortium to match the organisation and data policy of the mission. The consortium does not directly provide components to the mission but is a scientific collaboration working together to maximize the scientific return of LISA, in particular using the open LISA data. The consortium is ex officio represented in the ESA/NASA LISA Science Team. With this email we want to inform you about this transition and the options to join the LISA Consortium . In the evolved LISA Consortium there are two types of members: core members who commit to deliverables for the consortium (or the LISA mission - those working on hardware, DDPC, NSGS, etc.) and community members who want to be involved and informed. The work of the consortium is organised in working groups and the consortium is overseen by a representative council and led by a management team that includes a spokesperson and the science team representative. The Consortium registration link and more information about the new structure and the transition can be found on the LISA Consortium website. https://www.lisamission.org/team/ We have been transitioning the members of the existing consortium and now welcome sign-up from the rest of the community. Prior to signing up as a core member, please make sure you understand the commitments and benefits of core members (e.g. no preferred data access, commitment to spend time on consortium projects, and yearly review of activities). Additionally, please read the Membership Quick Guide linked from the registration page (and attached here) in all its parts, where you can find an explanation of all the entries of the form and subsequent steps. Note that becoming a consortium member does not happen upon approval of your sign-up: depending on your type of membership, more steps may be required. In particular, users become core members only when their pledge is submitted and approved, not when they sign up. We look forward to welcoming colleagues to the new LISA Consortium! Best regards, Jonathan Gair and Deirdre Shoemaker (On behalf of the LISA Consortium transition council) ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3.5. The Thirtieth Release of the Einstein Toolkit ------------------------------------------------------------ Announcement on Hyperspace@GU: https://hyperspace.uni-frankfurt.de/2025/05/29/the-thirtieth-release-of-the… Additional Information: https://einsteintoolkit.org/about/releases/ET_2025_05_announcement.html We are pleased to announce the thirtieth release (code name "Martin D. Kruskal") of the Einstein Toolkit, an open-source, community-developed software infrastructure for relativistic astrophysics. The major changes in this release include: One new thorn has been added: * CCE_Export -- This thorn provides output support for data to be used in the "SpECTRE Cauchy-characteristic evolution" code to extract waveforms at infinity. Updated thorns: * CarpetX -- Further updates and new functionality. * Derivs -- Add support for 6th and 8th order accurate finite differencing. * FLRWSolver -- This thorn provides cosmological initial conditions based on a Friedmann-Lemaitre-Robertson-Walker (FLRW) spacetime, either with or without small perturbations. Along with one new gallery example: * Black-hole hair in axi-dilaton gravity -- Evolving a single black hole under modified axi-dilation gravity. In addition, bug fixes accumulated since the previous release have been included. The Einstein Toolkit is a collection of software components and tools for simulating and analyzing general relativistic astrophysical systems. It builds on numerous software efforts in the numerical relativity community, including codes to compute initial data parameters, the spacetime evolution codes Baikal, lean_public, and McLachlan, analysis codes to compute horizon characteristics and gravitational waves, the Carpet AMR infrastructure, and the relativistic (magneto)hydrodynamics codes GRHayLHD, GRHayLHDX, GRHydro, and IllinoisGRMHD. Data analysis and post-processing are handled by the kuibit library. The Einstein Toolkit also contains a 1D self-force code. For parts of the toolkit, the Cactus Framework is used as the underlying computational infrastructure, providing large-scale parallelization, general computational components, and a model for collaborative, portable code development. The Einstein Toolkit uses a distributed software model. Its different modules are developed, distributed, and supported either by the core team of Einstein Toolkit Maintainers or by individual groups. Where modules are provided by external groups, the Einstein Toolkit Maintainers ensure quality control for modules included in the toolkit and help coordinate support. The Einstein Toolkit Maintainers currently involve staff and faculty from five different institutions and host weekly meetings that are open to anyone. Guiding principles for the design and implementation of the toolkit include: open, community-driven software development; well thought-out and stable interfaces; separation of physics software from computational science infrastructure; provision of complete working production code; training and education for a new generation of researchers. The Einstein Toolkit is primarily supported by NSF 2004157/2004044/2004311/2004879/2003893/2114582/2227105 (Enabling fundamental research in the era of multi-messenger astrophysics). The "Martin D. Kruskal" Release Team on behalf of the Einstein Toolkit Consortium (2025-05-29) Maxwell Rizzo, Roland Haas, Bing-Jyun Tsao, Deborah Ferguson, Hayley J. Macpherson, Leonardo Werneck, Lucas Timotheo Sanches, Peter Diener, Steven R. Brandt, Zachariah Etienne May 29, 2025 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

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