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2nd CFP - Third Hermann Minkowski Meeting on the Foundations of Spacetime Physics
by vpetkov＠minkowskiinstitute.org Feb. 16, 2023

Feb. 16, 2023

Dear Colleagues, The Third Hermann Minkowski Meeting on the Foundations of Spacetime Physics will be held in the famous Black Sea resort "Albena" (near Varna, Bulgaria) from 15 to 18 May 2023: http://www.minkowskiinstitute.org/meetings/2023/ It will commemorate the 115th anniversary of Minkowski's 1908 world-view-changing lecture "Space and Time," which presented the novel ideas of the spacetime structure of the world and the four-dimensional physics of spacetime. In addition to technical papers on areas related to Minkowski's contributions to the foundations of spacetime physics, papers on closely related topics, including on conceptual issues of spacetime physics, will be also welcome. There will be a special session on how Hermann Minkowski, had he been alive in 1915, might have reformulated Einstein's general relativity: whether gravitational phenomena can be fully accounted for by the non-Euclidean geometry of spacetime without the need to assume that gravitation is a physical interaction; in 1921 Eddington even mentioned this possibility explicitly - "gravitation as a separate agency becomes unnecessary" (A. S. Eddington, The Relativity of Time, Nature 106, 802-804, 17 February 1921). Deadline for abstract submission: February 28, 2023 Contributed papers in the form of extended abstracts of up to two pages should be emailed to minkowski2023(a)minkowskiinstitute.org by February 28, 2023. Submissions will be reviewed and notification of acceptance will be sent by March 15, 2023. Scientific Organizing Committee: Abhay Ashtekar (Penn State University) Valeria Ferrari (University of Rome "La Sapienza") David Garfinkle (Okland University) Robert Geroch (University of Chicago) James Isenberg (University of Oregon) Claus Kiefer (University of Cologne) Vesselin Petkov (Minkowski Institute, Montreal) Carlo Rovelli (Centre de Physique Theorique de Luminy) Mairi Sakellariadou (King's College London, University of London) Nick Woodhouse (University of Oxford, Clay Mathematics Institute) On behalf of the Scientific Organizing Committee, Vesselin Petkov Minkowski Institute http://www.minkowskiinstitute.org/ Montreal, Canada http://spacetimecentre.org/vpetkov/

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Fwd: [qiss] World Quantum Day 2023: join the global celebration!
by Erik Curiel Feb. 16, 2023

Feb. 16, 2023

This may be of interest to some of y'all... -------- Forwarded Message -------- Subject: [qiss] World Quantum Day 2023: join the global celebration! Date: Thu, 16 Feb 2023 16:37:29 +0000 From: Yasser Omar <yasser.omar(a)tecnico.ulisboa.pt> To: qiss(a)lists.oeaw.ac.at ***World Quantum Day 2023: join the global celebration!* The *World Quantum Day* <https://worldquantumday.org/>, celebrated on 14 April,**is an initiative from quantum scientists from 65+ countries <https://worldquantumday.org/about-us/>, aiming at promoting the public understanding of Quantum Science and Quantum Technology around the World. It is a decentralized and bottom-up initiative, inviting all scientists, engineers, educators, communicators, entrepreneurs, technologists, historians, philosophers, artists, museologists, producers, etc., and their organisations, to develop their own activities, such as outreach talks, exhibitions, lab tours, panel discussions, interviews, artistic creations, etc., to celebrate the *World Quantum Day* <https://worldquantumday.org/> around the World. The *World Quantum Day* <https://worldquantumday.org/> was officially launched in 2022, with 200+ events, in 5 continents, in 44+ countries, 193+ cities, in 17+ different languages <https://worldquantumday.web.cern.ch/wqd-events2022>. This year we aim at reaching an even wider audience, and we encourage you to organise your own event, in your country/city/organisation, in your language <https://worldquantumday.org/translating-wqd/>, and celebrate all domains of Quantum Science, including atomic and molecular physics, high-energy physics, condensed-matter physics, astrophysics, cosmology, quantum gravity, quantum plasmas, quantum optics, quantum information science, quantum computer science, quantum metrology, quantum engineering, quantum chemistry, quantum thermodynamics, quantum foundations, etc., as well as their history <https://worldquantumday.org/quantum-calendar/>, their mathematical foundations, their technological applications, and their philosophical and societal implications. Docreate and submit your own event <https://worldquantumday.web.cern.ch/submission-form>! And feel free to use the public domain logo of the World Quantum Day <https://worldquantumday.org/graphics/>. The *World Quantum Day* <https://worldquantumday.org/> is celebrated *on, and around, 14 April*. You can find examples from past World Quantum Day events <https://worldquantumday.web.cern.ch/wqd-events2022>, as well as of upcoming and ongoing events <https://worldquantumday.web.cern.ch/events>, in the World Quantum Day website <https://worldquantumday.org/>. This year's *World Quantum Day* <https://worldquantumday.org/> is also a great opportunity to highlight the Nobel Prize in Physics 2022 awarded to Alain Aspect, John F. Clauser, and Anton Zeilinger <https://www.nobelprize.org/prizes/physics/2022/summary/> “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”. It is a special occasion to celebrate this fundamental aspect of Quantum Science, and how it is at the origin of novel and disruptive information technologies, such as quantum computing, quantum communications, and quantum sensing, which may impact our society in the future. See how to engage at: https://worldquantumday.org/how-to-engage/ Submit your event at: https://worldquantumday.web.cern.ch/submission-form Follows us on Twitter: @WorldQuantumDay <https://twitter.com/WorldQuantumDay> Use the hashtag: #WorldQuantumDay Subscribe to the World Quantum Day News mailing list: https://mlists.ist.utl.pt/mailman/listinfo/groups.phys-info.wqd-news Subscribe to our YouTube channel <https://www.youtube.com/c/WorldQuantumDay> and watch/share our latest video: https://www.youtube.com/watch?v=GJ2NF7RsGN8 Share this message, and the World Quantum Day call for action: https://worldquantumday.org/2023/02/15/world-quantum-day-2023-join-the-glob… Find more information at: https://worldquantumday.org/ Join us in celebrating the World Quantum Day on, and around, 14 April 2023! Let's quantum! The World Quantum Day Team <https://worldquantumday.org/> https://worldquantumday.org/

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Panel Discussion "Black Holes Hide the Key to New Foundations for Physics", 25.1., 6:30pm
by John Dougherty Jan. 17, 2023

Jan. 17, 2023

Dear all, See below for an invitation to a panel discussion next week at LMU on black holes and the foundations of physics. Please note that registration at info(a)cas.lmu.de is required for participation. Best, John -------- Forwarded Message -------- Subject: Invitation Panel Discussion "Black Holes Hide the Key to New Foundations for Physics", 25.1., 6:30pm Date: Thu, 12 Jan 2023 11:50:40 +0100 From: info(a)cas.lmu.de To: 'CAS LMU' <info(a)cas.lmu.de> imap://di52bim@mailin.lrz.de:993/fetch%3EUID%3E.INBOX%3E11153?part=1.1.2&filename=image001.png Invitation to the Panel Discussion with *Dr. Erik Curiel *(LMU), *Prof. Dr. Dieter Lüst *(LMU) and *Dr. Marlene Weiß *(SZ) *"Black Holes Hide the Key to New Foundations for Physics"* Wednesday, *25 January 2023 *at *6:30pm* The panel discussion is part of the CAS Research Focus "Foundation of Physics". The event will take place at CAS in Seestraße 13. For participation please register at info(a)cas.lmu.de <mailto:info@cas.lmu.de>. The Center for Advanced Studies is recording this event. The film will be posted on the CAS website and on LMU on iTunes. By registering, participants agree to this recording.

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CFP: Information-Theoretic Concepts in Physics
by Michael Cuffaro July 28, 2022

July 28, 2022

Call for papers: Special issue of Entropy **Information-Theoretic Concepts in Physics** Guest editors: ----- Michael Cuffaro (LMU Munich) Stephan Hartmann (LMU Munich) Deadline for manuscript submissions: ----- 1 May 2023 Description: ----- Information-theoretic concepts are becoming increasingly important in physics, both in applied and theoretical physics. Examples include using quantum-mechanical systems to perform computations and transmit information; the use of information-theoretic concepts to characterize gravitational phenomena, such as black holes; informational axiomatizations and interpretations of quantum theory; and many others. The goal of this Special Issue is to provide an interdisciplinary snapshot of the foundational and philosophical research at the cutting edge of this important area of physics. We welcome submissions focused on topics such as (but not restricted to): - Historical perspectives on the use of informational concepts in physics; - Quantum and classical information; - Quantum and classical computational resources; - Informational interpretations and axiomatizations of physical theories; - Informational approaches to spacetime phenomena; - Informational characterizations of thermodynamical phenomena and the thermodynamics of information; - Informational characterizations of open systems phenomena; - General methodological and philosophical issues related to the physics of information. Manuscript submission information: ----- Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, the submission form can be accessed here: https://susy.mdpi.com/user/manuscripts/upload/?journal=entropy. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website. Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page (https://www.mdpi.com/journal/entropy/instructions) Entropy (https://www.mdpi.com/journal/entropy) is an international peer-reviewed open access monthly journal published by MDPI. Please visit the Instructions for Authors page (https://www.mdpi.com/journal/entropy/instructions) before submitting a manuscript. The Article Processing Charge (APC) (https://www.mdpi.com/about/apc/) for publication in this open access (https://www.mdpi.com/about/openaccess/) journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service (https://www.mdpi.com/authors/english) prior to publication or during author revisions. Website for further information: ----- https://www.mdpi.com/journal/entropy/special_issues/LQOEYB74HF

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CfR: Foundational Problems of Global Structure in Semi-Classical Gravity (MCMP/LMU Munich, 21-23 July 2022)
by Erik Curiel June 17, 2022

June 17, 2022

The Munich Center for Mathematical Philosophy invites registration for the following event: Global Structure in Semi-Classical Gravity MCMP, LMU Munich 21-23 July 2022 https://www.mcmp.philosophie.uni-muenchen.de/events/workshops/container/scg… ********************************************* Semi-classical gravity (SCG)---the coupling of the dynamics of quantum fields to the classical spacetime geometry of general relativity by way of the semi-classical Einstein field equation (SCEFE)---is the framework within which black hole thermodynamics is formulated. As such, it is widely held to provide the most secure theoretical clues to a search for a theory of quantum gravity. Considered in its own right, however, it already presents us with a plethora of foundational and conceptual problems that require investigation, even over and above the most famous one, Hawking's Information-Loss Paradox. - In what sense is it legitimate to think of black holes as thermodynamical systems? - What is the causal structure of an evaporating black hole spacetime, and its relation to causality conditions on quantum fields? - What is black hole entropy? - How does the Generalized Second Law ramify into the host of other problems of fundamental physical and philosophical import that the ordinary Second Law of thermodynamics does? - What is the difference between geometry and matter? - Are there singularities in the semi-classical regime, and does a form of cosmic censorship hold in it? - What role do classical energy conditions and quantum energy inequalities play, and how do they relate to entropy and information? - What is holography at the semi-classical level, and what role can or does it play there? - What can the epistemology of a field of physics be, completely divorced from experimentation and observation? This will be the first major conference to address foundational and philosophical issues associated with SCG, and to try to examine how they all bear on each other. Invited physicists and philosophers have been chosen to represent different approaches to SCG and the many different kinds of conceptual questions it poses (quantum field theory on curved spacetime, emergent gravity, canonical gravity, holography, phenomenology, methodology, epistemology), in an attempt to foster a dialogue among the different fields. Contributed talks from both physicists and philosophers will be chosen so as to complement the perspectives of the invited speakers. Such a gathering will spur new, innovative approaches to the problem, as well as connecting and invigorating work on existing approaches. It will also provide young researchers with a comprehensive introduction to the state of the art of this central field of research, and established researchers with a comprehensive overview. *Invited Speakers* - Beatrice Bonga <https://hef.ru.nl/~bbonga/> - Ted Jacobson <https://umdphysics.umd.edu/people/faculty/current/item/246-jacobson.html> - Eleni Kontou <https://www.york.ac.uk/maths/staff/eleni-kontou/> - JB Manchak <https://www.lps.uci.edu/~jmanchak/> - Marija Tomašević <https://www.researchgate.net/profile/Marija-Tomasevic> - Chris Smeenk <https://publish.uwo.ca/~csmeenk2/> - Rainer Verch <https://www.uni-leipzig.de/en/profile/mitarbeiter/prof-dr-rainer-verch> - Bob Wald <https://physics.uchicago.edu/people/profile/robert-wald/> - Chris Wüthrich <https://www.wuthrich.net/> *Registration* We will hold the conference in-person, with no video connections, although the talks and Q&A will be recorded (pending agreement by the speakers). Please send registration requests by 01 July 2022 using the following form: https://forms.gle/rBAZakkNPxc2uxD87 The fees for the conference and dinner are as follows. - Senior researchers with permanent positions (associate and full professors, etc.): conference fee EUR 40 - Junior researchers (assistant professors, post-docs, etc.): conference fee EUR 25 - Students (masters, doctoral, etc.): no conference fee - Conference dinner (for everyone): EUR 30 *Organizers* - Erik Curiel <http://www.mcmp.philosophie.uni-muenchen.de/people/faculty/curiel/index.html> - Juliusz Doboszewski <https://sites.google.com/site/juliuszdoboszewski/home> - Cecilia Giavoni <https://www.theorie.physik.uni-muenchen.de/cosmology/members/sci_mem/giavon…> *Acknowledgements* Gefördert teilweise durch die Deutsche Forschungsgemeinschaft (DFG) -- Projektnummer 312032894, CU 338/1-2 (Erik Curiel). (Funded in part by the German Research Foundation (DFG) -- project number 312032894, CU 338/1-2, Erik Curiel.) Also supported by the Volkswagen Foundation funding for the Lichtenberg Group for History and Philosophy of Physics at the University of Bonn <https://www.history-and-philosophy-of-physics.com/>, under the direction of Prof. Dr. Dennis Lehmkuhl. -- Erik Curiel http://strangebeautiful.com Assistant Professor Munich Center for Mathematical Philosophy Ludwig-Maximilians-Universität http://www.mcmp.philosophie.uni-muenchen.de BHI Research Fellow Black Hole Initiative Harvard University http://bhi.fas.harvard.edu

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Second Call for Papers: Sixth Spacetime Conference
by vpetkov＠minkowskiinstitute.org June 8, 2022

June 8, 2022

Dear Colleagues, The sixth spacetime conference will be held in the famous Black Sea resort "Albena" (near Varna, Bulgaria) from 12 to 15 September 2022: http://www.minkowskiinstitute.org/conferences/2022/ The Scientific Organizing Committee invites papers from physicists, philosophers of physics and philosophers on any topic related to the nature and ontology of spacetime. Contributed papers in the form of extended abstracts of between one and two pages should be emailed to 2020conference(a)minkowskiinstitute.org by July 15, 2022. Submissions will be reviewed and notification of acceptance will be sent by August 1, 2022. Scientific Organizing Committee: Valia Allori (Northern Illinois University) Robert Geroch (University of Chicago) Vesselin Petkov (Minkowski Institute, Montreal) Carlo Rovelli (Centre de Physique Théorique de Luminy, Marseille, France) Reinoud Jan Slagter (Astronomisch Fysisch Onderzoek Nederland and University of Amsterdam) Anguel Stefanov (Bulgarian Academy of Sciences) On behalf of the Scientific Organizing Committee, Vesselin Petkov Minkowski Institute http://www.minkowskiinstitute.org/ Montreal, Canada http://spacetimecentre.org/vpetkov/

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Beyond Models Workshop Final Call for Registration
by Martin King June 1, 2022

June 1, 2022

Dear All The Beyond Models Workshop on model independence in physics ( <www.philphys.com/beyondmodels.html>www.philphys.com/beyondmodels.html) taking place at the FTD at the University of Bonn on June 14-15 is two weeks away. See the attached poster for a list of speakers and check the website for a schedule, book of abstracts, and more information. Registration has expired, so we are making a final call for participants to register. Please register using the following form as soon as possible: https://forms.gle/84uyzxE77qsbyiLX9 Registration is required, but there is no fee. All interested parties may attend. -- Martin King

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Beyond Models Workshop-Call for Registration
by Martin King May 17, 2022

May 17, 2022

Dear All The Beyond Models Workshop on model independence in physics (philphys.com/beyondmodels <www.philphys.com/beyondmodels.html>) taking place at the University of Bonn on June 14-15 is less than a month away. Registration is now open at the following link: https://forms.gle/84uyzxE77qsbyiLX9 Registration is required, but there is no fee. All interested parties may attend. Please register before*June 1, 2022.* -- Martin King

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One-day "Physicalism" workshop (MCMP/LMU Munich, May 21, 2022)
by Szabó Gábor May 4, 2022

May 4, 2022

"Physicalism" workshop (MCMP/LMU Munich) Date: May 21, 2022 Venue: IBZ, Amalienstraße 38, 80799 München No registration! https://www.mcmp.philosophie.uni-muenchen.de/events/workshops/container/phy…

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Renewed Call for Papers: Sixth Spacetime Conference
by vpetkov＠minkowskiinstitute.org April 15, 2022

April 15, 2022

Dear Colleagues, The sixth spacetime conference (that had to be held in May 2020) will be finally held (in person) in the famous Black Sea resort "Albena" (near Varna, Bulgaria) from 12 to 15 September 2022: http://www.minkowskiinstitute.org/conferences/2022/ The Scientific Organizing Committee invites papers from physicists, philosophers of physics and philosophers on any topic related to the nature and ontology of spacetime. As there is no main theme of the sixth spacetime conference a number of special sessions have been suggested by colleagues (other suggestions are welcome): - Nature of time - becoming and flow of time - Is spacetime a real (physical) four-dimensional entity or a mathematical concept? - Open Questions in Spacetime Physics - The controversy over Relativistic Mass - The problem with the gravitational energy-momentum pseudo-tensor in general relativity - should we have a closer look at the fact that the mathematical formalism of general relativity does not yield a proper tensor of the gravitational energy-momentum? - What is the difference between matter and geometry in general relativity, semi-classical gravity, and quantum gravity? - Do Black Holes Actually Exist? - Is there a conflict between relativity and quantum mechanics? - Quantum Gravity: Where do we stand? Contributed papers in the form of extended abstracts of between one and two pages should be emailed to 2020conference(a)minkowskiinstitute.org by July 15, 2022. Submissions will be reviewed and notification of acceptance will be sent by August 1, 2022. Best wishes, Vesselin Petkov Minkowski Institute http://www.minkowskiinstitute.org/ Montreal, Canada http://spacetimecentre.org/vpetkov/

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