Past Pizza Lunches

Número de entradas: 152

20
Abril 2020

Due to the Covid-19 restrictions our pizza seminars will be online.


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17
Abril 2020

Due to the Covid-19 restrictions our pizza seminars will be online


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17
Abril 2020

A new approach for modelling pulsar wind nebulae


Inicio: 12:15h
Ponente: Diego F. Torres (Institut de Ciències de l'Espai (CSIC-IEEC))
Lugar: Remote Seminar

In this talk I will introduce a new approach for theoretical modelling of pulsar wind nebulae: a hybrid hydrodynamic-radiative model able to reproduce morphological features and spectra of PWN sources, with relatively limited numerical cost.
Inicio: 12:15h
Ponente: Diego F. Torres (Institut de Ciències de l'Espai (CSIC-IEEC))
Lugar: Remote Seminar

In this talk I will introduce a new approach for theoretical modelling of pulsar wind nebulae: a hybrid hydrodynamic-radiative model able to reproduce morphological features and spectra of PWN sources, with relatively limited numerical cost.
10
Abril 2020

Due to the Covid-19 restrictions our pizza seminars will be online


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03
Abril 2020

ALL SEMINARS ARE CANCELLED UNTILL FURTHER NOTICE


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27
Marzo 2020

ALL SEMINARS ARE CANCELLED UNTILL FURTHER NOTICE


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20
Marzo 2020

ALL SEMINARS ARE CANCELLED UNTILL FURTHER NOTICE


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13
Marzo 2020

ALL SEMINARS ARE CANCELLED UNTILL FURTHER NOTICE


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28
Febrero 2020

Magneto-luminescence: from neutron stars to planets


Inicio: 12:15h
Ponente: Daniele Viganò
Lugar: Alberto Lobo

Magnetic fields play an important but often little understood role in many astrophysical scenarios. In astrophysical bodies, magnetism often drives their observable behaviour, making them outshine the rest of the sources. Typical and spectacular examples are neutron stars, but in our vicinity also the…
Inicio: 12:15h
Ponente: Daniele Viganò
Lugar: Alberto Lobo

Magnetic fields play an important but often little understood role in many astrophysical scenarios. In astrophysical bodies, magnetism often drives their observable behaviour, making them outshine the rest of the sources. Typical and spectacular examples are neutron stars, but in our vicinity also the Sun and Jupiter represent fascinating magnets, not to speak about the Earth itself.
More than a talk, this seminar is supposed to be a multidisciplinary brainstorming session, regarding magnetic field dynamics and observable imprints on different kind of astrophysical objects.
21
Febrero 2020

Intelligent Arxiv: Sort daily papers by learning users topic preferences


Inicio: 12:15h
Ponente: Manuel Szewc (ICAS, ARG)
Lugar: Alberto Lobo Room

We present and discuss some novel applications of the Linear Discriminant Analysis (LDA) technique of Machine Learning (ML). First in the field of New Physics (NP) searches at the LHC, where we are currently applying this unsupervised ML technique to find NP as emerging topics. Motivated by this powerful…
Inicio: 12:15h
Ponente: Manuel Szewc (ICAS, ARG)
Lugar: Alberto Lobo Room

We present and discuss some novel applications of the Linear Discriminant Analysis (LDA) technique of Machine Learning (ML). First in the field of New Physics (NP) searches at the LHC, where we are currently applying this unsupervised ML technique to find NP as emerging topics. Motivated by this powerful tool  we pursued the goal of sorting daily Arxiv papers in given field(s) according to individual user preference.  We model a scientific paper to be built as a combination of different scientific knowledge from diverse topics into a new problem. We apply then the (unsupervised) Machine Learning technique LDA to construct and extract topics from the corpus of papers. We obtain the topic weights of the available and new papers in the Arxiv,  and determine each user preference in topics according to each user preference in papers. This allows to determine the personal preference on new papers according to their topics weight distribution.  We have created the web interface IArxiv.org where users can read personally-sorted daily Arxiv releases (and more) while the algorithm learns his/her preferences.  Yielding therefore a more accurate sorting every day. Current IArxiv.org version runs on categories astro-ph, gr-qc, hep-ph and hep-th.
Institute of Space Sciences (IEEC-CSIC)

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An institute of the Consejo Superior de Investigaciones Científicas

An institute of the Consejo Superior de Investigaciones Científicas
Affiliated with the Institut d'Estudis Espacials de Catalunya

Affiliated with the Institut d'Estudis Espacials de Catalunya