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Gap junction implementation using NESTML on aeif_cond_beta_neuron model
by Beatrice Baldi 23 Dec '25

23 Dec '25

Hello everyone, I'm writing to ask for advice on how to correctly implement electrical synapses in a custom NESTML neuron model (aeif_cond_beta_nestml). I have attached the relevant NESTML and Python files used to build and install the aeif_cond_beta neuron model with gap junctions enabled. I ran a trial using the "Gap Junctions: Inhibitory network example" script available on the nest website, changing the neuron model to my aeif_cond_beta_nestml, and it does not seem to implement the gap junctions correctly, as changing parameters like gap weight does synchronise the network or influence the output. For reference, I am using NEST version 3.9.0. If you had any advice on how to correctly implement gap junctions using NESTML, I would greatly appreciate it. Thanks. Best regards, Beatrice

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NEST Conference 2026 – Save the date: 16-17 June 2026
by Hans Ekkehard Plesser 18 Dec '25

18 Dec '25

[Image] Dear Colleagues, The NEST Initiative is excited to invite everyone interested in Neural Simulation Technology and the NEST Simulator to the NEST Conference 2026. Save the date for the virtual conference, taking place on June 16-17, 2026! The annual NEST Conference provides an opportunity for the NEST Community to meet, exchange success stories,swap advice, learn about current developments in and around NEST spiking network simulation and its application. Weparticularly encourage young scientists to participate in the conference! Registration and abstract submission will open soon. For more information on the event please visit the conference website https://nest-simulator.org/conference We are looking forward to seeing you in June! Hans Ekkehard Plesser - on behalf of the conference organizing committee - -- Prof. Dr. Hans Ekkehard Plesser Research Committee Chair, Faculty of Science and Technology Head, Department of Data Science Department of Data Science Faculty of Science and Technology Norwegian University of Life Sciences PO Box 5003, 1432 Aas, Norway Phone +47 6723 1560 Email hans.ekkehard.plesser(a)nmbu.no<mailto:hans.ekkehard.plesser@nmbu.no> Home http://arken.nmbu.no/~plesser

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Open NEST Developer Video Conference Monday December 15, at 11:30 CET (UTC+0100)
by Dennis Terhorst 15 Dec '25

15 Dec '25

Dear NEST Users & Developers! I would like to invite you to our next fortnightly Open NEST Developer Video Conference today *Monday December 15, at 11:30 CET (UTC+0100).* As usual, in the Project team round, a contact person of each team will give a short statement summarizing ongoing and planned work in the team and highlight cross-cutting points that need discussion among the teams. The remainder of the meeting we would go into a more in-depth discussion of topics that came up on the mailing list or that are suggested by the teams. Feel free to join the meeting also if it’s just to bring your own quick questions for direct discussion in the in-depth section. Agenda * Welcome * Review of NEST User Mailing List * Project team round * In-depth discussion The agenda for this meeting is also available online, see https://github.com/nest/nest-simulator/wiki/2025-12-15-Open-NEST-Developer-… <https://github.com/nest/nest-simulator/wiki/2025-12-15-Open-NEST-Developer-…> Looking forward to seeing you soon! Cheers, Dennis Terhorst Log-in information We use a virtual conference room provided by DFN <https://www.dfn.de/en/> (Deutsches Forschungsnetz). You can use the web client to connect. We however encourage everyone to use a headset for better audio quality or even a proper video conferencing system (see below) or software when available. Web client * Visit https://conf.dfn.de/webapp/conference/97938800 <https://conf.dfn.de/webapp/conference/97938800> * Enter your name and allow your browser to use camera and microphone * The conference does not need a PIN to join, just click join and you’re in. In case you see a dfnconf logo and the phrase “Auf den Meetingveranstalter warten”, just be patient, the meeting host needs to join first (a voice will tell you). VC system/software How to log in with a video conferencing system, depends on you VC system or software. * Using the H.323 protocol (eg Polycom): |vc.dfn.net##97938800| or |194.95.240.2##97938800| * Using the SIP protocol:97938800@vc.dfn.de <mailto:97938800@vc.dfn.de> * By telephone: |+49-30-200-97938800| For those who do not have a video conference system or suitable software, Polycom provides a pretty good free app for iOS and Android, so you can join from your tablet (Polycom RealPresence Mobile, available from AppStore/PlayStore). Note that firewalls may interfere with videoconferencing in various and sometimes confusing ways. For more technical information on logging in from various VC systems, please see http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4 <http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4> -- Dipl.-Phys. Dennis Terhorst Coordinator Software Development Institute for Advanced Simulation (IAS-6) Computational and Systems Neuroscience & JARA-Institute Brain Structure-Function Relationships (INM-10) Institute of Neuroscience and Medicine Jülich Research Center, Member of the Helmholz Association 52425 Jülich, Germany http://www.csn.fz-juelich.de/ --------------------------------------------------------------------------------------------- Forschungszentrum Jülich GmbH 52425 Jülich Sitz der Gesellschaft: Jülich Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Stefan Müller Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende), Dr. Stephanie Bauer (stellvertretende Vorsitzende), Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers ---------------------------------------------------------------------------------------------

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Open NEST Developer Video Conference Monday November 17, at 11:30 CET (UTC+0100)
by Dennis Terhorst 17 Nov '25

17 Nov '25

Dear NEST Users & Developers! I would like to invite you to our next fortnightly Open NEST Developer Video Conference today *Monday November 17, at 11:30 CET (UTC+0100).* We will have a short round on ongoing and planned work in the Focus Topics section and check for cross-cutting points that need discussion In-depth discussion. Feel free to join the meeting also if it’s just to bring your own quick questions for direct discussion in the in-depth section. Agenda * Welcome * Review of NEST User Mailing List * Focus Topics * In-depth discussion The agenda for this meeting is also available online, see https://github.com/nest/nest-simulator/wiki/2025-11-17-Open-NEST-Developer-… <https://github.com/nest/nest-simulator/wiki/2025-11-17-Open-NEST-Developer-…> Looking forward to seeing you soon! Cheers, Dennis Terhorst Log-in information We use a virtual conference room provided by DFN <https://www.dfn.de/en/> (Deutsches Forschungsnetz). You can use the web client to connect. We however encourage everyone to use a headset for better audio quality or even a proper video conferencing system (see below) or software when available. Web client * Visit https://conf.dfn.de/webapp/conference/97938800 <https://conf.dfn.de/webapp/conference/97938800> * Enter your name and allow your browser to use camera and microphone * The conference does not need a PIN to join, just click join and you’re in. In case you see a dfnconf logo and the phrase “Auf den Meetingveranstalter warten”, just be patient, the meeting host needs to join first (a voice will tell you). VC system/software How to log in with a video conferencing system, depends on you VC system or software. * Using the H.323 protocol (eg Polycom): |vc.dfn.net##97938800| or |194.95.240.2##97938800| * Using the SIP protocol:97938800@vc.dfn.de <mailto:97938800@vc.dfn.de> * By telephone: |+49-30-200-97938800| For those who do not have a video conference system or suitable software, Polycom provides a pretty good free app for iOS and Android, so you can join from your tablet (Polycom RealPresence Mobile, available from AppStore/PlayStore). Note that firewalls may interfere with videoconferencing in various and sometimes confusing ways. For more technical information on logging in from various VC systems, please see http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4 <http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4> -- Dipl.-Phys. Dennis Terhorst Coordinator Software Development Institute for Advanced Simulation (IAS-6) Computational and Systems Neuroscience & JARA-Institute Brain Structure-Function Relationships (INM-10) Institute of Neuroscience and Medicine Jülich Research Center, Member of the Helmholz Association 52425 Jülich, Germany http://www.csn.fz-juelich.de/ --------------------------------------------------------------------------------------------- Forschungszentrum Jülich GmbH 52425 Jülich Sitz der Gesellschaft: Jülich Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Stefan Müller Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende), Dr. Stephanie Bauer (stellvertretende Vorsitzende), Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers ---------------------------------------------------------------------------------------------

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simulation control from a gui
by Peter Mason 03 Nov '25

03 Nov '25

I have a GUI to control and analyse the data from the simulation and it's parameters which uses shared memory to manage the state of the simulation and pass the data to the recipients. It seemed like a good idea to have a simulation restart button to normalise the start position and eventually have more than a single independent simulation. This would require the simulation to run independently of the GUI which up to this point it did not. To implement this I tried running the simulation code in a separate thread having forgotten that Nest is not tread safe and it crashed. The simulation code including Nest currently runs in multiple processes. Before attempting to do it myself i asked CoPilot to produce the code attached which I do not understand in detail but this is normal because it uses python features of which I have no knowledge. Up to now. The code runs apart from some 'hopefully simple' details of the button control lost in this conversion Is this application of interest? Is there a standard way to do this?

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Open NEST Developer Video Conference Monday November 3, at 11:30 CET (UTC+0100)
by Dennis Terhorst 03 Nov '25

03 Nov '25

Dear NEST Users & Developers! I would like to invite you to our next fortnightly Open NEST Developer Video Conference today *Monday November 3, at 11:30 CET (UTC+0100).* As usual, in the Project team round, a contact person of each team will give a short statement summarizing ongoing and planned work in the team and highlight cross-cutting points that need discussion among the teams. The remainder of the meeting we would go into a more in-depth discussion of topics that came up on the mailing list or that are suggested by the teams. Feel free to join the meeting also if it’s just to bring your own quick questions for direct discussion in the in-depth section. Agenda * Welcome * Review of NEST User Mailing List * Project team round * In-depth discussion The agenda for this meeting is also available online, see https://github.com/nest/nest-simulator/wiki/2025-11-03-Open-NEST-Developer-… <https://github.com/nest/nest-simulator/wiki/2025-11-03-Open-NEST-Developer-…> Looking forward to seeing you soon! Cheers, Dennis Terhorst Log-in information We use a virtual conference room provided by DFN <https://www.dfn.de/en/> (Deutsches Forschungsnetz). You can use the web client to connect. We however encourage everyone to use a headset for better audio quality or even a proper video conferencing system (see below) or software when available. Web client * Visit https://conf.dfn.de/webapp/conference/97938800 <https://conf.dfn.de/webapp/conference/97938800> * Enter your name and allow your browser to use camera and microphone * The conference does not need a PIN to join, just click join and you’re in. In case you see a dfnconf logo and the phrase “Auf den Meetingveranstalter warten”, just be patient, the meeting host needs to join first (a voice will tell you). VC system/software How to log in with a video conferencing system, depends on you VC system or software. * Using the H.323 protocol (eg Polycom): |vc.dfn.net##97938800| or |194.95.240.2##97938800| * Using the SIP protocol:97938800@vc.dfn.de <mailto:97938800@vc.dfn.de> * By telephone: |+49-30-200-97938800| For those who do not have a video conference system or suitable software, Polycom provides a pretty good free app for iOS and Android, so you can join from your tablet (Polycom RealPresence Mobile, available from AppStore/PlayStore). Note that firewalls may interfere with videoconferencing in various and sometimes confusing ways. For more technical information on logging in from various VC systems, please see http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4 <http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4> -- Dipl.-Phys. Dennis Terhorst Coordinator Software Development Institute for Advanced Simulation (IAS-6) Computational and Systems Neuroscience & JARA-Institute Brain Structure-Function Relationships (INM-10) Institute of Neuroscience and Medicine Jülich Research Center, Member of the Helmholz Association 52425 Jülich, Germany http://www.csn.fz-juelich.de/ --------------------------------------------------------------------------------------------- Forschungszentrum Jülich GmbH 52425 Jülich Sitz der Gesellschaft: Jülich Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Stefan Müller Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende), Dr. Stephanie Bauer (stellvertretende Vorsitzende), Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers ---------------------------------------------------------------------------------------------

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Re: MPI problem with e-prop tutorials
by Xavier Otazu Porter 31 Oct '25

31 Oct '25

Hi Camilo, Thanks a lot for your help ... but problem remains. Now I get: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 545, in <module> readout_signal = readout_signal.reshape((readout_signal[0], n_iter, batch_size, steps["sequence"])) #readout_signal = readout_signal.reshape((n_out, n_iter, batch_size, steps["sequence"])) TypeError: only integer scalar arrays can be converted to a scalar index Xavier ________________________________ From: Camilo Jara Do Nascimento <C.Jara-Do-Nascimento(a)sussex.ac.uk> Sent: Wednesday, October 29, 2025 4:56 PM To: NEST User Mailing List <users(a)nest-simulator.org>; Xavier Otazu Porter <xotazu(a)cvc.uab.cat> Subject: Re: [NEST Users] MPI problem with e-prop tutorials Hi Xavier, The problem I see is that the readout first dimension is based on the n_out, and when using mpi to parallelizing it will use this first dimension to parallelize your instances. I quickly fixed it by changing the first dimension to be readout_signal.shape[0] since its already defined before by using the "idc" indexes. readout_signal = readout_signal.reshape((readout_signal.shape[0], n_iter, batch_size, steps["sequence"])) Hope this helps. Best, Camilo Jara D. ________________________________ From: Xavier Otazu <xotazu(a)cvc.uab.cat> Sent: 29 October 2025 14:03 To: users(a)nest-simulator.org <users(a)nest-simulator.org> Subject: [NEST Users] MPI problem with e-prop tutorials Hello, I have tried to execute one of the e-prop tutorials (eprop_supervised_regression_handwriting_bsshslm_2020.py) and get into problems when activating MPI. I do not know whether it is an e-prop C++ implementation problem or a Python tutorial code problem (in some cases, but not all of them, it looks like the last one). I have two files (hostfile_orig_1 and hostfile_orig_2) to define in what nodes of the cluster to execute the program. The content of these files is: hostfile_orig_1: node0 slots=1 node1 slots=1 hostfile_orig_2: node0 slots=2 node0 slots=2 The 'slots' key tells how many (mpi) processes can be executed on a particular node. Depending on the number of processes, the errors are a bit different. In all the following examples, I use "total_num_virtual_procs": 2 on line 173 of tutorial file. Below I write the execution command and the output error. Command: mpirun -np 1 -hostfile hostfile_orig_1 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py Output: With a "serial" execution like this one, everything is OK: Command: mpirun -np 2 -hostfile hostfile_orig_2 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 404, in <module> nest.GetConnections(nrns_rec[0], nrns_rec[1:3]).set([params_init_optimizer] * 2) File "/home/neurobit/local/nest_3.9/lib64/python3.8/site-packages/nest/lib/hl_api_types.py", line 945, in set raise TypeError("status dict must be a dict, or a list of dicts of length {}".format(self.__len__())) TypeError: status dict must be a dict, or a list of dicts of length 1 Command: mpirun -np 2 -hostfile hostfile_orig_2 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py (commenting line 404) Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 545, in <module> readout_signal = readout_signal.reshape((n_out, n_iter, batch_size, steps["sequence"])) ValueError: cannot reshape array of size 364800 into shape (2,200,1,1824) Command: mpirun -np 2 -hostfile hostfile_orig_1 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py (commenting line 404) Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 545, in <module> readout_signal = readout_signal.reshape((n_out, n_iter, batch_size, steps["sequence"])) ValueError: cannot reshape array of size 364800 into shape (2,200,1,1824) Command: mpirun -np 4 -hostfile hostfile_orig_2 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py (commenting line 404 and using "total_num_virtual_procs": 4 on line 173 of tutorial file.) Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 493, in <module> "rec_out": get_weights(nrns_rec, nrns_out), File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 482, in get_weights conns["senders"] = np.array(conns["source"]) - np.min(conns["source"]) TypeError: tuple indices must be integers or slices, not str In this last case, program stops and hungs. If you want, I could submit a bug report on github. Xavier _______________________________________________ NEST Users mailing list -- users(a)nest-simulator.org To unsubscribe send an email to users-leave(a)nest-simulator.org Computer Vision Center<http://www.cvc.uab.cat> CONFIDENTIALITY WARNING<http://www.cvc.uab.es/?page_id=7475>

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SynapseCollection.get() causes overhead
by M. Maurycy Miękus 29 Oct '25

29 Oct '25

Hello, I am trying to access the list of approx. 13 000 000 synapses in my network. However, accessing any of the values in SynapseCollection runs longer than my whole simulation and can cause out of memory issues. In the following snippet, just the `conns.get('weight')` line takes my computer 13 minutes to compute and uses over 5 GB of memory, even though the data I am interested in should not be larger than 50 MB. importnest neurons= nest.Create('iaf_psc_exp', 20000) conn_dict= {'rule': 'fixed_indegree', 'indegree': 300} nest.Connect(neurons, neurons, conn_dict, syn_spec={'weight': 1.0}) conns= nest.GetConnections() conns.get('weight') How should I efficiently access/export the `source`, `target`, `weight` and `distance` synaptic variables without unnecessary time or memory overhead? Thank you. Best regards, Maurycy Miękus

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MPI problem with e-prop tutorials
by Xavier Otazu 29 Oct '25

29 Oct '25

Hello, I have tried to execute one of the e-prop tutorials (eprop_supervised_regression_handwriting_bsshslm_2020.py) and get into problems when activating MPI. I do not know whether it is an e-prop C++ implementation problem or a Python tutorial code problem (in some cases, but not all of them, it looks like the last one). I have two files (hostfile_orig_1 and hostfile_orig_2) to define in what nodes of the cluster to execute the program. The content of these files is: hostfile_orig_1: node0 slots=1 node1 slots=1 hostfile_orig_2: node0 slots=2 node0 slots=2 The 'slots' key tells how many (mpi) processes can be executed on a particular node. Depending on the number of processes, the errors are a bit different. In all the following examples, I use "total_num_virtual_procs": 2 on line 173 of tutorial file. Below I write the execution command and the output error. Command: mpirun -np 1 -hostfile hostfile_orig_1 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py Output: With a "serial" execution like this one, everything is OK: Command: mpirun -np 2 -hostfile hostfile_orig_2 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 404, in <module> nest.GetConnections(nrns_rec[0], nrns_rec[1:3]).set([params_init_optimizer] * 2) File "/home/neurobit/local/nest_3.9/lib64/python3.8/site-packages/nest/lib/hl_api_types.py", line 945, in set raise TypeError("status dict must be a dict, or a list of dicts of length {}".format(self.__len__())) TypeError: status dict must be a dict, or a list of dicts of length 1 Command: mpirun -np 2 -hostfile hostfile_orig_2 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py (commenting line 404) Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 545, in <module> readout_signal = readout_signal.reshape((n_out, n_iter, batch_size, steps["sequence"])) ValueError: cannot reshape array of size 364800 into shape (2,200,1,1824) Command: mpirun -np 2 -hostfile hostfile_orig_1 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py (commenting line 404) Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 545, in <module> readout_signal = readout_signal.reshape((n_out, n_iter, batch_size, steps["sequence"])) ValueError: cannot reshape array of size 364800 into shape (2,200,1,1824) Command: mpirun -np 4 -hostfile hostfile_orig_2 python3 eprop_supervised_regression_handwriting_bsshslm_2020.py (commenting line 404 and using "total_num_virtual_procs": 4 on line 173 of tutorial file.) Output: Traceback (most recent call last): File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 493, in <module> "rec_out": get_weights(nrns_rec, nrns_out), File "eprop_supervised_regression_handwriting_bsshslm_2020.py", line 482, in get_weights conns["senders"] = np.array(conns["source"]) - np.min(conns["source"]) TypeError: tuple indices must be integers or slices, not str In this last case, program stops and hungs. If you want, I could submit a bug report on github. Xavier

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Open NEST Developer Video Conference Monday October 20, at 11:30 CEST (UTC+0200)
by Dennis Terhorst 20 Oct '25

20 Oct '25

Dear NEST Users & Developers! I would like to invite you to our next fortnightly Open NEST Developer Video Conference today *Monday October 20, at 11:30 CEST (UTC+0200).* As usual, in the Project team round, a contact person of each team will give a short statement summarizing ongoing and planned work in the team and highlight cross-cutting points that need discussion among the teams. The remainder of the meeting we would go into a more in-depth discussion of topics that came up on the mailing list or that are suggested by the teams. Feel free to join the meeting also if it’s just to bring your own quick questions for direct discussion in the in-depth section. Agenda * Welcome * Review of NEST User Mailing List * Project team round * In-depth discussion The agenda for this meeting is also available online, see https://github.com/nest/nest-simulator/wiki/2025-10-20-Open-NEST-Developer-… <https://github.com/nest/nest-simulator/wiki/2025-10-20-Open-NEST-Developer-…> Looking forward to seeing you soon! Cheers, Dennis Terhorst Log-in information We use a virtual conference room provided by DFN <https://www.dfn.de/en/> (Deutsches Forschungsnetz). You can use the web client to connect. We however encourage everyone to use a headset for better audio quality or even a proper video conferencing system (see below) or software when available. Web client * Visit https://conf.dfn.de/webapp/conference/97938800 <https://conf.dfn.de/webapp/conference/97938800> * Enter your name and allow your browser to use camera and microphone * The conference does not need a PIN to join, just click join and you’re in. In case you see a dfnconf logo and the phrase “Auf den Meetingveranstalter warten”, just be patient, the meeting host needs to join first (a voice will tell you). VC system/software How to log in with a video conferencing system, depends on you VC system or software. * Using the H.323 protocol (eg Polycom): |vc.dfn.net##97938800| or |194.95.240.2##97938800| * Using the SIP protocol:97938800@vc.dfn.de <mailto:97938800@vc.dfn.de> * By telephone: |+49-30-200-97938800| For those who do not have a video conference system or suitable software, Polycom provides a pretty good free app for iOS and Android, so you can join from your tablet (Polycom RealPresence Mobile, available from AppStore/PlayStore). Note that firewalls may interfere with videoconferencing in various and sometimes confusing ways. For more technical information on logging in from various VC systems, please see http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4 <http://vcc.zih.tu-dresden.de/index.php?linkid=1.1.3.4> -- Dipl.-Phys. Dennis Terhorst Coordinator Software Development Institute for Advanced Simulation (IAS-6) Computational and Systems Neuroscience & JARA-Institute Brain Structure-Function Relationships (INM-10) Institute of Neuroscience and Medicine Jülich Research Center, Member of the Helmholz Association 52425 Jülich, Germany http://www.csn.fz-juelich.de/ --------------------------------------------------------------------------------------------- Forschungszentrum Jülich GmbH 52425 Jülich Sitz der Gesellschaft: Jülich Eingetragen im Handelsregister des Amtsgerichts Düren Nr. HR B 3498 Vorsitzender des Aufsichtsrats: MinDir Stefan Müller Geschäftsführung: Prof. Dr. Astrid Lambrecht (Vorsitzende), Dr. Stephanie Bauer (stellvertretende Vorsitzende), Prof. Dr. Ir. Pieter Jansens, Prof. Dr. Laurens Kuipers ---------------------------------------------------------------------------------------------

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