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1,049 results on '"Sampaio, Paulo"'

1. On the semi-classical limit for the Landau-Fermi-Dirac equation

Author

Sampaio, Paulo

Subjects
Mathematics - Analysis of PDEs
Abstract

We study sequences of solutions to the inhomogeneous Landau-Fermi-Dirac equation with Coulomb potential in which the quantum parameter converges to zero. Our main result establishes the compactness of these sequences, which allows us to show that, up to a subsequence, these solutions converge to a renormalized solution of the classical Landau equation with a defect measure, as defined by Villani. To do this, we work in the class of solutions that are obtained through approximation procedures. For these solutions, we were able to show compactness in the vanishing quantum parameter limit through a diagonal argument, which combines techniques from the study of Cauchy problems for both the classical Landau and the Landau-Fermi-Dirac equations.

Published
2025

2. Global solutions to the Landau-Fermi-Dirac equation

Author

Sampaio, Paulo

Subjects
Mathematics - Analysis of PDEs
Abstract

We establish a compactness result for solutions of a certain class of hypoelliptic equations. This result allows us to show the existence of global weak solutions to the non-homogeneous Landau-Fermi-Dirac equation with Coulomb potential.

Published
2024

6. Influence of Indoor Conditions on Sick Building Syndrome: A Data-Driven Investigation

Author

Posada Barrera, Ariel Isaac, Rodríguez Peralta, Laura Margarita, de Oliveira Nunes, Éldman, Sampaio, Paulo Nazareno Maia, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Rocha, Álvaro, editor, Ferrás, Carlos, editor, Hochstetter Diez, Jorge, editor, and Diéguez Rebolledo, Mauricio, editor

Published
2024
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12. O USO DA MORFINA NO INFARTO AGUDO DO MIOCÁRDIO: AVALIAÇÃO DA EFICÁCIA E INTERAÇÕES MEDICAMENTOSAS RELEVANTES.

Author

CASTRO CHAGAS, ARTUR, primary, PESTANA GOMES, ANDRESSA, additional, BARROS DO NASCIMENTO, ARINA, additional, SALGADO LEITE MENEZES, CECÍLIA, additional, SOUSA BATISTA, KARIANNA, additional, FROZ SILVA, KLEVERSON, additional, VIEIRA DA COSTA, MATHEUS, additional, RAFAEL SILVA SAMPAIO, PAULO, additional, and MELO RIBEIRO, RACHEL, additional

Published
2023
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17. Cost-Sensitive Learning and Threshold-Moving Approach to Improve Industrial Lots Release Process on Imbalanced Datasets

Author

Lobo, Armindo, Oliveira, Pedro, Sampaio, Paulo, Novais, Paulo, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Omatu, Sigeru, editor, Mehmood, Rashid, editor, Sitek, Pawel, editor, Cicerone, Serafino, editor, and Rodríguez, Sara, editor

Published
2023
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18. Development of Guidelines for an Occupational Health and Safety Management Systems Towards Industry 4.0

Author

Pinto, Cátia, Colim, Ana, Domingues, Pedro, Sampaio, Paulo, Arezes, Pedro, Kacprzyk, Janusz, Series Editor, Arezes, Pedro M., editor, Baptista, J. Santos, editor, Melo, Rui B., editor, Castelo Branco, Jacqueline, editor, Carneiro, Paula, editor, Colim, Ana, editor, Costa, Nélson, editor, Costa, Susana, editor, Duarte, J., editor, Guedes, J. C., editor, and Perestrelo, Gonçalo, editor

Published
2023
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22. SMART-QUAL: a dashboard for quality measurement in higher education institutions

Author

Adot, Esther, Akhmedova, Anna, Alvelos, Helena, Barbosa-Pereira, Sofia, Berbegal-Mirabent, Jasmina, Cardoso, Sónia, Domingues, Pedro, Franceschini, Fiorenzo, Gil-Doménech, Dolors, Machado, Ricardo, Maisano, Domenico Augusto, Marimon, Frederic, Mas-Machuca, Marta, Mastrogiacomo, Luca, Melo, Ana I., Miguéis, Vera, Rosa, Maria J., Sampaio, Paulo, Torrents, Dani, and Xambre, Ana Raquel

Published
2023
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26. The Role of the Quality Principles on the Integration of Multiple Management Systems

Author

Ferradaz, Carolina, Domingues, Pedro, Sampaio, Paulo, Arezes, Pedro M., Kacprzyk, Janusz, Series Editor, Arezes, Pedro M., editor, Baptista, J. Santos, editor, Carneiro, Paula, editor, Castelo Branco, Jacqueline, editor, Costa, Nélson, editor, Duarte, J., editor, Guedes, J. C., editor, Melo, Rui B., editor, Miguel, A. Sérgio, editor, and Perestrelo, Gonçalo, editor

Published
2022
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32. First microsatellite markers for the Amazonian species Copaifera multijuga Hayne developed using next-generation sequencing.

Author

Vasconcelos, Rayssa Gomes, Hernández-Rangel, Sandra Marcela, Farias, Izeni Pires, Hrbek, Tomas, Sampaio, Paulo de Tarso Barbosa, Medeiros, Raquel da Silva, and Cunha-Machado, Antonio Saulo

Abstract

Background: Native to the Amazon region, Copaifera multijuga Hayne is a large tree (≈ 36 m in height) that is heavily exploited for extraction of its oleoresin. Many studies have addressed the phytochemical properties and applications of this raw material; however, there are few initiatives that have focused on the genetic characterization of native populations of this species. To this end, our objective was to develop microsatellite markers for C. multijuga, which were previously unavailable, and apply them to the characterization of a native population located in the Adolpho Ducke Forest Reserve (Manaus, Amazonas, Brazil). Methods and results: Using next-generation sequencing technology on the Ion Torrent PGM™ platform, 19 pairs of microsatellite primers were designed and developed. For the characterization and validation, we used a group of 47 C. multijuga trees. After preliminary tests, amplification conditions were standardized for 14 loci. The CmH05 locus was excluded from the analyses for being monomorphic, and the remaining loci were used to estimate key genetic parameters for the species, such as observed (Ho) and expected heterozygosity (He), total number of alleles (A), fixation index (f), and polymorphic information content (PIC), among others. The population showed levels of genetic diversity that were higher than 0.63 (Ho: 0.67; He: 0.64) and an average number of 5.4 alleles. According to the PIC estimates, all loci were considered highly (9) or moderately informative (3), except for CmH11, which had a value that was below 0.2. Conclusions: The 13 developed microsatellites were efficient in characterizing the genetic diversity of C. multijuga and may be advantageous in future investigations aimed at defining effective conservation strategies for the species. [ABSTRACT FROM AUTHOR]

Published
2024
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35. Specified Ontologies in User Tags to Graphical User Interface Hedonistic Type Based on Sentiment Analysis

Author

Ochoa-Zezzatti, Alberto, Muñoz-Arteaga, Jaime, Sampaio, Paulo N. M., Rodríguez Peralta, Laura M., Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Ruiz, Pablo H., editor, Agredo-Delgado, Vanessa, editor, and Kawamoto, André Luiz Satoshi, editor

Published
2021
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36. The Difficulties and Complications of Children When Going to a Zoo and Should Interact with the Colors of the Information in It: An Approach Based on the Use of a Humanoid NAO Robot in an Application for 'Smart Cities'

Author

Ochoa-Zezzatti, Alberto, Rivera, Martín Montes, Ponce Gallegos, Julio César, Velazquez, Cesar, Sampaio, Paulo N. M., Kacprzyk, Janusz, Series Editor, Ochoa-Zezzatti, Alberto, editor, Oliva, Diego, editor, and Juan Perez, Angel, editor

Published
2021
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41. Contributors

Author

Ajawatanawong, Pravech, primary, Berry, Jemma A., additional, Bunsuwansakul, Chooseel, additional, Caine, Thelma, additional, Carvajal Barriga, Enrique Javier, additional, Carvalho, Graça S., additional, Chunhametha, Suwanee, additional, Eurwilaichitr, Lily, additional, Grando, Danilla, additional, Harnpicharnchai, Piyanun, additional, Ingsriswang, Supawadee, additional, Kitikhun, Supattra, additional, Kurtböke, D.İ., additional, Likhitrattanapisal, Somsak, additional, Lima, Nelson, additional, Lloyd, Megan L., additional, Macreadie, Ian G., additional, Martins, Anabela, additional, Martins da Silva, Joaquim F., additional, Narváez-Trujillo, Alexandra, additional, Pasookhush, Phongthana, additional, Philp, Jim, additional, Portero-Barahona, Patricia, additional, Reimer, Lorenz Christian, additional, Ryan, Matthew J., additional, Sampaio, Paulo, additional, Smith, David, additional, and Yurkov, Andrey, additional

Published
2022
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44. Organizational Maturity Models: Trends for the Future

Author

Ferradaz, Carolina, Domingues, Pedro, Kucińska-Landwójtowicz, Aneta, Sampaio, Paulo, Arezes, Pedro M., Kacprzyk, Janusz, Series Editor, Arezes, Pedro M., editor, Baptista, J. Santos, editor, Barroso, Mónica P., editor, Carneiro, Paula, editor, Cordeiro, Patrício, editor, Costa, Nélson, editor, Melo, Rui B., editor, Miguel, A. Sérgio, editor, and Perestrelo, Gonçalo, editor

Published
2020
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