Zobrazeno 1 - 10 of 55 pro vyhledávání: '"Andrés R. R. Papa"'
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Akademický článek
Iterates of Volterra operators and indeterminate forms
Autor: Pablo Braz e Silva, Andrés R. R. Papa
Publikováno v: International Journal of Mathematics and Mathematical Sciences, Vol 2006 (2006)
We state and prove a theorem showing how iterates of the Volterra operator can be used to evaluate indeterminate forms of type 0/0. This general result allows one to recover the Boltzmann-Gibbs entropy as a limit of a wide class of generalized entrop
Externí odkaz: https://doaj.org/article/ff5fbf7bff4940acacb648f9fc024044
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2
Application of Neural Networks in Probabilistic Forecasting of Earthquakes in the Southern California Region
Autor: Vitor H. A. Dias, Andrés R. R. Papa
Publikováno v: International Journal of Geosciences. :397-413
During the last few decades, many statistical physicists have devoted re-search efforts to the study of the problem of earthquakes. The purpose of this work is to apply methods of Statistical Physics and network systems based on “neurons” in the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa54a762da999f9d1c7c94fa8b8dc9f5
https://doi.org/10.4236/ijg.2018.96025
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3
The Tsallis statistical distribution applied to geomagnetically induced currents
Autor: L. R. Alves, Cleiton S. Barbosa, Ari Viljanen, Ramon Caraballo, Gelvam A. Hartmann, Chigomezyo M. Ngwira, Andrés R. R. Papa, R. Pirjola, Ciaran Beggan
Publikováno v: Space Weather. 15:1094-1101
Geomagnetically induced currents (GICs) have been long recognized as a ground effect arising from a chain of space weather events. GICs have been measured and modeled in many countries, resulting in a considerable amount of data. Previous statistical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7cef5b4bd00bebc6b196f694ccd41261
https://doi.org/10.1002/2017sw001631
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4
Possibility of Excitation of Magnetospheric Modes by Strong Geomagnetic Storms
Autor: Andrés R. R. Papa, Marcos A. Garcia
Publikováno v: International Journal of Geosciences. :743-755
In this paper, we advance the possibility of strong geomagnetic storms (called sometimes super geomagnetic storms) exciting oscillation modes of the magnetosphere with some defined periods. To determine this possibility, we analyze the whole period o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56736eb69dd46e3595c0270c1448f1d9
https://doi.org/10.4236/ijg.2017.85041
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6
Latitudinal and longitudinal behavior of the geomagnetic field during a disturbed period: A case study using wavelet techniques
Autor: Odim Mendes, Margarete Oliveira Domingues, Virginia Klausner, Andrés R. R. Papa, Aracy Mendes da Costa, Arian Ojeda González
Publikováno v: Advances in Space Research. 58:2148-2163
Coronal mass ejections are the primary cause of the highly disturbed conditions observed in the magnetosphere. Momentum and energy from the solar wind are transferred to the Earth’s magnetosphere mainly via magnetic reconnection which produces open
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::977f6f2276a38f98c9b4db8f0cac5a4a
https://doi.org/10.1016/j.asr.2016.01.018
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7
Long-range correlation studies in deep earthquakes global series
Autor: Andrés R. R. Papa, Renato Pereira de Freitas, Douglas S. R. Ferreira, Jennifer Ribeiro, André Rocha Pimenta, Paulo S. L. Oliveira
Publikováno v: Physica A: Statistical Mechanics and its Applications. 560:125146
In the present paper we have conducted studies on seismological properties using worldwide data of deep earthquakes (depth larger than 70 km), considering events with magnitude greater than or equal to 4.5. This work is an extension of a previous stu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2182e49aa60164fb4dc75cff23cabb22
https://doi.org/10.1016/j.physa.2020.125146
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8
The Tsallis Statistical Distribution Applied to Geomagnetically Induced Currents
Autor: Ari Viljanen, L. R. Alves, Cleiton S. Barbosa, Gelvam A. Hartmann, Ciaran Beggan, Andrés R. R. Papa, R. Pirjola, Ramon Caraballo, Chigomezyo M. Ngwira
Publikováno v: Proceedings of the II PAN AMERICAN WORKSHOP ON GEOMAGNETISM – II PANGEO.
Geomagnetically induced currents (GICs) have been long recognized as a ground effect arising from a chain of space weather events. GICs have been measured and modeled in many countries, resulting in a considerable amount of data. Previous statistical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b3eaeade6855c2f83702aa623f426ec
https://doi.org/10.29327/2pangeo.a8
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10
Small world picture of worldwide seismic events
Autor: Douglas S. R. Ferreira, Andrés R. R. Papa, Ronaldo Menezes
Publikováno v: Physica A: Statistical Mechanics and its Applications. 408:170-180
The understanding of long-distance relations between seismic activities has for long been of interest to seismologists and geologists. In this paper we have used data from the worldwide earthquake catalog for the period between 1972 and 2011 to gener
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8e2857a06b5a0160657f8e31a9cc89b
https://doi.org/10.1016/j.physa.2014.04.024
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