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kuibit review
by Roland Haas 06 Aug '21

06 Aug '21

Hello all, I am trying to match up reviewers who volunteered to the various projects that were discussed, and in Kuibit's case already proposed, for inclusion and the respective project's trac tickets. If you stepped forward to volunteer to review kuibit then please indicate so on https://bitbucket.org/einsteintoolkit/tickets/issues/2538/inclusion-of-kuib… Yours, Roland -- My email is as private as my paper mail. I therefore support encrypting and signing email messages. Get my PGP key from http://pgp.mit.edu .

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North American Einstein Toolkit summer school recap
by workshop＠einsteintoolkit.org 04 Aug '21

04 Aug '21

Hello all, We had very successful summer school in the week of July 26h to 30th. I big Thank you! to all who attended and presented. At peak there were over 130 concurrent attendees and Zoom counts 223 unique names, with some attendees chosing to attend only some sessions. Looking back at the school program the lectures and tutorials showcased the breadth of topics that are addressed by the Einstein Toolkit. In a total of 15 lighning talks Einstein Toolkit users presented results of interest to community and showcased their work to strike up collaborations and conversations. Presentations on software outoside of the Einstein Toolkit, but of interest provided insight into areas of growth for the toolkit. Finally the "Future of the Einstein Toolkit" seesion on Friday provided a venue for all attendees to discuss their plans and expectations for the toolkit in the future. If you are interested in hearing more about the toolkit join the Einstein Toolkit user community: http://lists.einsteintoolkit.org/mailman/listinfo/users or contribute at the weekly Einstein Toolkit Zoom calls each Thursday at 9:00AM US Central time https://docs.einsteintoolkit.org/et-docs/Main_Page#Weekly_Users_Call or via the Einstein Toolkit users mailing list: http://lists.einsteintoolkit.org/mailman/listinfo/users All available recordings and slides are now uploaded to the respective talk pages on https://einsteintoolkit.github.io/et2021uiuc/program.html and collected in a YouTube playlist: https://youtube.com/playlist?list=PLRxi-yB7cTGfIPyQLSNulydOAPSPHN2Hc Yours, the organizers

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Fw: An IPAM program that may be of interest to you!
by Hamilton, Maria 04 Aug '21

04 Aug '21

From: Crane, Ruth <ruth_crane(a)icerm.brown.edu> Sent: Friday, May 21, 2021 4:34 PM To: Ruth Crane <ruth_crane(a)icerm.brown.edu> Cc: Christian Ratsch <cratsch(a)math.ucla.edu>; Sigal Gottlieb <sigal_gottlieb(a)icerm.brown.edu> Subject: An IPAM program that may be of interest to you! IPAM is hosting a long program this fall that is scientifically very close to ICERM's 2020 program on “Advances in Computational Relativity<https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ficerm.bro…>”. We are very happy to share the details with you. Read on... ***** Dear all, The Institute for Pure and Applied Mathematics (IPAM) is planning a long program on “Mathematical and Computational Challenges in the Era of Gravitational Wave Astronomy”. It will be held at IPAM between September 13 and December 17, 2021. As part of this long program, many people stay at IPAM as core participants for the duration of the program. We still have space for additional core participants. We thought that you might be interested in this program. In addition, it would be great if you could help us advertise this program to people who might be interested to come. We are looking for senior as well as junior participants. More information including an application link can be found at: http://www.ipam.ucla.edu/programs/long-programs/mathematical-and-computatio…<https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ipam.u…> A word about Covid-19: At this point we expect that the program will be held in-person at IPAM. However, we are monitoring the Covid-19 situation closely, and will adapt the format of the program, if necessary. We expect that online participation will be an option for the individual workshops of the program. Sincerely, Christian Ratsch -- Ruth Crane Assistant Director ICERM<https://nam02.safelinks.protection.outlook.com/?url=http%3A%2F%2Ficerm.brow…> |121 South Main Street |11th Floor | Providence, RI 02903 401-863-6900 she/her

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Einstein Toolkit Meeting Reminder
by users＠einsteintoolkit.org 04 Aug '21

04 Aug '21

Hello, Please consider joining the weekly Einstein Toolkit phone call at 9:00 am US central time on Thursdays. For details on how to connect and what agenda items are to be discussed, use the link below. https://docs.einsteintoolkit.org/et-docs/Main_Page#Weekly_Users_Call --The Maintainers

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init_3_timelevels and nans on past timelevels
by Yosef Zlochower 04 Aug '21

04 Aug '21

Hi, I have been running into an issue where I when I interpolate an evolved function I get nans even though there are no nans on the gridfunction itself. The nans appear to arise when the past timelevels (at iteration 0) are initialized by init_3_timelevels and occur near the buffer regions. As the evolution proceeds, these bad past timelevels are overwritten with seemingly good data. Is this the expected behavior of init_3_timelevels? Also, I have been trying to use visit to see what is going on. I used CarpetIOHDF5::output_all_timelevels = true, and I think this means that the past timelevels show up as different components of the same gridfunction although I haven't been able to determine how the component number is related to the actual components of the grid and the different timelevels. Thanks -- Dr. Yosef Zlochower Center for Computational Relativity and Gravitation Associate Professor School of Mathematical Sciences Rochester Institute of Technology 85 Lomb Memorial Drive Rochester, NY 14623 Office:74-2067 Phone: +1 585-475-6103 yosef(a)astro.rit.edu CONFIDENTIALITY NOTE: The information transmitted, including attachments, is intended only for the person(s) or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and destroy any copies of this information.

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modifying submit scripts after build
by Tomas Andrade 03 Aug '21

03 Aug '21

Hi, I'm using ETK on a cluster with Linux Centos7. I was able to build it successfully, and now I need to change the submit script located in Cactus/simfactory/mdb/submitscripts. I've edited the file without building again, but it doesn't seem to have any effect. Do I need to rebuild after editing the .sub file? thank you! Tomas -- Aquest missatge, i els fitxers adjunts que hi pugui haver, pot contenir informació confidencial o protegida legalment i s’adreça exclusivament a la persona o entitat destinatària. Si no consteu com a destinatari final o no teniu l’encàrrec de rebre’l, no esteu autoritzat a llegir-lo, retenir-lo, modificar-lo, distribuir-lo, copiar-lo ni a revelar-ne el contingut. Si l’heu rebut per error, informeu-ne el remitent i elimineu del sistema tant el missatge com els fitxers adjunts que hi pugui haver. Este mensaje, y los ficheros adjuntos que pueda incluir, puede contener información confidencial o legalmente protegida y está exclusivamente dirigido a la persona o entidad destinataria. Si usted no consta como destinatario final ni es la persona encargada de recibirlo, no está autorizado a leerlo, retenerlo, modificarlo, distribuirlo o copiarlo, ni a revelar su contenido. Si lo ha recibido por error, informe de ello al remitente y elimine del sistema tanto el mensaje como los ficheros adjuntos que pueda contener. This email message and any attachments it carries may contain confidential or legally protected material and are intended solely for the individual or organization to whom they are addressed. If you are not the intended recipient of this message or the person responsible for processing it, then you are not authorized to read, save, modify, send, copy or disclose any part of it. If you have received the message by mistake, please inform the sender of this and eliminate the message and any attachments it carries from your account.

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Agenda for Thursday's Meeting
by users＠einsteintoolkit.org 02 Aug '21

02 Aug '21

Please update the Wiki with agenda items for Thursday's meeting. Thanks! https://docs.einsteintoolkit.org/et-docs/meeting_agenda --The Maintainers

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Fwd: [nr-community-call] Today: NR community call at 9am Pacific time
by Helvi Witek 02 Aug '21

02 Aug '21

FYI --------------------------------------------- Dr. Helvi Witek Assistant Professor Department of Physics University of Illinois at Urbana-Champaign 247 Loomis Lab 1110 W Green St Urbana, IL 61801 --------------------------------------------- -------- Forwarded Message -------- Subject: [nr-community-call] Today: NR community call at 9am Pacific time Date: Mon, 2 Aug 2021 11:25:00 +0200 From: Nils Fischer <nils.fischer(a)black-holes.org> To: nr-community-call(a)black-holes.org Dear Numerical Relativists, We’ll have our NR community call *today, Aug 2nd at 9am LA / noon NYC / 5pm London / 6pm Berlin *in this Zoom room: https://mpi-aei.zoom.us/j/98949704345 <https://mpi-aei.zoom.us/j/98949704345> Our speakers today are *James Healy (RIT / LazEv)* and *Elias Most (Princeton / FIL)*. - Feel free to circulate this information within the NR community. - Please subscribe to our mailing list <https://urldefense.com/v3/__https://groups.google.com/u/1/a/black-holes.org…> to receive info on the community calls in the future (or send a short message to nr-community-call+subscribe(a)black-holes.org <mailto:nr-community-call+subscribe@black-holes.org> to subscribe) and join our Slack <https://urldefense.com/v3/__https://join.slack.com/t/generalrelativity/shar…> for discussions (channel: #nr-community-call <https://urldefense.com/v3/__https://generalrelativity.slack.com/archives/C0…>). - Please sign up for a slot <https://urldefense.com/v3/__https://docs.google.com/forms/d/e/1FAIpQLSfoCnn…> in the schedule to speak at one of the community calls: https://github.com/sxs-collaboration/nr-community-call/wiki <https://urldefense.com/v3/__https://github.com/sxs-collaboration/nr-communi…> Looking forward to seeing you all later, Nils -- You received this message because you are subscribed to the Google Groups "NR community call" group. To unsubscribe from this group and stop receiving emails from it, send an email to nr-community-call+unsubscribe(a)black-holes.org <mailto:nr-community-call+unsubscribe@black-holes.org>.

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future of the ET discussion
by Roland Haas 30 Jul '21

30 Jul '21

Hello all, please join as for the future of the ET discussion at: https://got.illinois.edu/et2021uiuc or https://youtu.be/awZZ_vN-xEU Yours, Roland -- My email is as private as my paper mail. I therefore support encrypting and signing email messages. Get my PGP key from http://pgp.mit.edu .

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North American Einstein Toolkit summer school day 4 recap
by Miguel Gracia 29 Jul '21

29 Jul '21

Hello all, Day 4 of the school is over. Today we had Samuel Tootle presenting about FUKA a new initial data solver for compact object binaries. Deborah Ferguson talked about NR in the Era of Gravitational Wave Astronomy. We also had tutorials: Barry Wardell showed how to use the Black Hole Perturbation Toolkit, Peter Diener presented a SelfForce1D tutorial and Helvi Witek showed us the 3+1 decomposition of Einstein’s equations using xTensor. Today’s lightning talks were in charge of Pedro IIdelfonso talking about Binary systems of boson stars, Mostafizur Rahman talking about Ringdown of compact objects, Aaron Held talking about Nonlinear Dynamics of Quadratic Gravity and Thomas Helfer about Boson Star Initial data. All available recordings and slides are now uploaded to the respective talk pages https://einsteintoolkit.github.io/et2021uiuc/program.html and collected in the YouTube playlist: https://youtube.com/playlist?list=PLRxi-yB7cTGfIPyQLSNulydOAPSPHN2Hc Please join us again tomorrow for the last day of the workshop at 8:25 AM CDT via Zoom or via the YouTube stream at: https://go.illinois.edu/et2021uiuc for more interesting presentations, tutorials and lightning talks. See the program https://einsteintoolkit.github.io/et2021uiuc/program.html for upcoming presentations and tutorials. Yours, the organizers _______________________________________________

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