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1. Quantum codes do not fix isotropic errors

Author

de Lacalle, Jesús García López, Coronado, Luis Miguel Pozo, and de Oliveira, André L. Fonseca

Subjects
Quantum Physics
Abstract

In this work we prove that quantum error correcting codes do not fix isotropic errors, even assuming that their correction circuits do not introduce new errors. We say that a quantum code does not fix a quantum computing error if its application does not reduce the variance of the error. We also prove for isotropic errors that, if the correction circuit of a quantum code detects an error, the corrected logical $m-$qubit has uniform distribution and as a result, it already loses all the computing information., Comment: arXiv admin note: substantial text overlap with arXiv:2101.03971

Published
2025
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2. Non-canonical 3-form dark energy

Author

da Fonseca, Vitor, Barros, Bruno J., Barreiro, Tiago, and Nunes, Nelson J.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

In this study, we meticulously construct a 3-form Lagrangian designed to mimic the dynamics of both dust matter in the past and dark energy driving the acceleration in the present era. A dynamical systems approach is used to investigate the underlying behavior of the cosmological background. By investigating the influence of the potential slope and initial conditions on the dynamical solutions, we identify distinct viable scenarios capable of replicating a De Sitter universe in the present epoch. An intriguing aspect of the model is the existence of solutions describing multiple inflationary phases in which the 3-form self-interacting potential decays rapidly., Comment: 12 pages, 6 figures, 2 tables. V2: matches published version

Published
2024
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3. Son Útiles: Learning from Manito Sheep Culture

Author

Vanessa Fonseca-Chávez and Patricia Perea

Abstract

For Manitos, or Hispanic New Mexicans, sheep symbolized a way of life. Working with sheep not only provided a way to earn a living, but it also contributed to a fiber arts tradition that has been cultivated and sustained over many generations. Sheep became a symbol of Nuevomexicano culture and an example of affirmation and resistance in the face of U.S. expansion west. This essay focuses on two sides of sheep culture, both illuminated through the Following the Manito Trail exhibit (March 26-July 31, 2022) and its corresponding cultural and educational programming at the Millicent Rogers Museum in Taos, New Mexico. The migration narratives of sheepherders and the cultural expressions of fiber artists are important, but undervalued, aspects of the overall cultural contributions of sheep in New Mexico. This essay asks what it meant for Manitos to practice sheepherding or to create art from sheep. Additionally, it reveals that the lessons gleaned from this work must be passed on to future generations. The article also demonstrates the utility in learning about migration and cultural arts that arose from Manito sheep culture and links this to culturally and linguistically relevant educational programs for K-12 students in New Mexico.

Published
2024

4. Towards Affective Literacy for Adult Migrants: A Systematic Literature Review

Author

Carmen Toscano-Fuentes, Analí Fernández-Corbacho, and M.Carmen Fonseca-Mora

Abstract

Adult migrants need to attain proficiency in the language of their host society to fully integrate into those communities and lead meaningful lives. The concept of literacy, centred on reading and writing, has evolved to encompass multiliteracies, integrating linguistic, social, and digital aspects. This broader approach acknowledges that learners construct meaning through various modes such as oral, written, visual, digital, and multimodal, while reflecting their diverse linguistic and cultural backgrounds. However, literacy education often overlooks crucial affective aspects, such as learners' feelings and motivation, which are particularly relevant for adults who want to become literate. Affective literacy, understood as the impact that the act of reading has on the lives of adults, could fill this gap, as it includes emotional responses from readers evoked through interactions with the text, their teachers and their peers. This systematic literature review study defines affective literacy, analyses its implementation in language classrooms, and explores its implications for adult literacy research by following the PRISMA protocol. Results evidence that the definition of affective literacy remains ambiguous, sometimes conflated with emotional literacy. More research, particularly focusing on adult migrants, is still needed because affective literacy is emerging as a valuable framework with vital implications for the well-being and integration of adult migrants into their host societies.

Published
2024

5. MMALA: Developing and Evaluating a Maturity Model for Adopting Learning Analytics

Author

Elyda Freitas, Fernando Fonseca, Vinicius Cardoso Garcia, Taciana Pontual Falcao, Elaine Marques, Dragan Gaševic, and Rafael Ferreira Mello

Abstract

Learning analytics (LA) adoption is a challenging task for higher education institutions (HEIs) since it involves different aspects of the academic environment, such as information technology infrastructure, human resource management, ethics, and pedagogical issues. Therefore, it is necessary to provide institutions with supporting instruments to deal with these challenges. Although there has been much research on factors that are associated with the adoption of LA in HEIs, there has been much less research on specific models that can be used to guide actual adoption. In this sense, we developed MMALA, a Maturity Model for Adopting Learning Analytics. It is a guide that describes the necessary practices for taking the first steps in this area and enables institutions to reach higher levels of maturity in LA use, culminating in an organized and systematic adoption. In this paper, we describe the development process of MMALA, focusing on the model evaluation, which used both the questionnaire and the expert opinion method. MMALA can also give institutions an overview of their current situation regarding LA adoption. In this sense, we present the results of the maturity evaluation of three Brazilian HEIs using MMALA.

Published
2024

6. From Word Recognition Skills to Reading for the Meaning of a Science Text

Author

Kelsi J. Arends and Kathleen Fonseca

Abstract

Background: Although the reading of science texts has been reported for high school learners, there is not much research on how younger learners engage with expository texts and how they develop academic language skills. In the instance of this study, the topic came from the curriculum content about animal reproduction. Aim: The study from which this article emanated aimed to explore how a sample of learners engaged with a short text, which required cohesive reading and some background knowledge and vocabulary. Setting: This study was conducted in a suburban school where the learners use English as a second language. Methods: A sample (n = 25) was randomly selected from five Grade 4 classes. Their reading comprehension of a custom-designed test was assessed, along with their writing competence in their responses to content questions as well as their drawings. The data were analysed in a typical content analysis modality. Results: This study showed that the learners do not apply inferencing skills and do not read cohesively across sentences and paragraphs and that their vocabulary and prior knowledge of animal reproduction is limited. Conclusion: The urgent need for the development of academic language skills in the early grades is foregrounded in this article, arguing that it can be infused in subjects across the curriculum of the early grades. Contribution: The task can be used by teachers and by researchers who may wish to replicate the study.

Published
2024

8. Experimental granulomatous amebic encephalitis caused by Acanthamoeba castellanii

Author

da Luz Borges, Samuel, da Silva de Macedo, Eberson, Vinagre da Silva, Felipe Alexandre, de Azevedo Ataide, Brenda Jaqueline, da Conceicao Fonseca Passos, Adelaide, de Souza Franco Mendes, Nivia, Soares de Moraes, Suellen Alessandra, Herculano Matos Oliveira, Karen Renata, Pacheco Bahia, Carlomagno, Herculano, Anderson Manoel, Santana Dolabella, Silvio, and de Jesus Oliveira Batista, Evander

Published
2024

9. School Psychologists' Training to Support Inclusive Education in Portugal: Trainers' Perspectives of Opportunities, Challenges, and Improvements

Author

Marisa Carvalho, Rosário Serrão, Helena Azevedo, Joana Cruz, Diana Alves, Cristina Martins, Elisabete Marques, Marisa Fonseca, Nuna Tormenta, Teresa de Jesus, and Sofia Ramalho

Abstract

School psychologists can support schools in implementing inclusive practices. In Portugal, the Decree-Law 54/2018 has set the country on the path to inclusive education based on whole-school approaches. This policy shift demands a change in school psychologists' practices to be agents for systems change versus traditional roles (such as assessing and counseling students). An e-learning training course was developed and implemented by nine psychologists through a partnership between the Ministry of Education and the Portuguese Psychology Association, focused on the Multi-tiered Systems of Support framework for constructing inclusive schools. The main aim was to empower school psychologists to support adequate, inclusive, and multi-tiered intervention responses in their schools, resourcing a collaborative and supervised approach. From all Portuguese regions, 327 psychologists participated in the training from October 2020 to April 2021. This article focuses on the trainers' experiences of training, collected through a focus group, reflecting on the challenges, opportunities, and necessary improvements for future training in school psychologists in Portugal on this topic. Trainers have identified organizational and pedagogical aspects as critical to the training delivery and quality that should be addressed in future training courses for school psychologists.

Published
2024
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10. Evaluating and Comparing Crowd Simulations: Perspectives from a Crowd Authoring Tool

Author

Silva, Gabriel Fonseca, Knob, Paulo Ricardo, Montanha, Rubens Halbig, and Musse, Soraia Raupp

Subjects
Computer Science - Graphics
Abstract

Crowd simulation is a research area widely used in diverse fields, including gaming and security, assessing virtual agent movements through metrics like time to reach their goals, speed, trajectories, and densities. This is relevant for security applications, for instance, as different crowd configurations can determine the time people spend in environments trying to evacuate them. In this work, we extend WebCrowds, an authoring tool for crowd simulation, to allow users to build scenarios and evaluate them through a set of metrics. The aim is to provide a quantitative metric that can, based on simulation data, select the best crowd configuration in a certain environment. We conduct experiments to validate our proposed metric in multiple crowd simulation scenarios and perform a comparison with another metric found in the literature. The results show that experts in the domain of crowd scenarios agree with our proposed quantitative metric.

Published
2024
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14. Conserving saproxylic flagship species by complementing 150 years of natural history with citizen science data—the case of the stag beetles (Lucanidae, Coleoptera) of Portugal

Author

Soutinho, João Gonçalo, Carvalho, João, Matos, Milene, Grosso-Silva, José Manuel, Moreira-Pinhal, Tatiana C., Rego, Carla, Ferreira, Sónia, Abreu, João Gonçalo, Gonçalves, Ana Rita, Ceia, Helena, Fonseca, Carlos, Rufino, Cristina, Müller, Jörg, Vierling, Kerri T., Vierling, Lee A., and Gonçalves, João

Published
2025
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24. Relationship Between the Single Nucleotide Polymorphism A35C in the Cu/Zn-Superoxide Dismutase-1 Gene and Glycemic Control in Individuals with Type 2 Diabetes Mellitus: Relationship Between the Single Nucleotide Polymorphism A35C in the Cu/Zn-Superoxide Dismutase-1 Gene and Glycemic Control in Individuals with Type 2 Diabetes Mellitus

Author

de Carvalho, Gabrielli Barbosa, Brandão-Lima, Paula Nascimento, Santos, Ramara Kadija Fonseca, de Sousa Rocha, Vivianne, Oliveira, Alan Santos, da Cruz Santos, Beatriz, Santos, Cynthia Batista, Reis, Aline Rocha, Maia, Carla Soraya Costa, de Oliveira e Silva, Ana Mara, and Pires, Liliane Viana

Published
2025
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27. Phytotoxicity and Mode of Action of Phloretin on Maize Seedlings

Author

Constantin, Renato Polimeni, de Souza, Mariana Conceição, Abrahão, Josielle, Foletto-Felipe, Marcela de Paiva, Grizza, Luiz Henryque Escher, Ferro, Ana Paula, de Oliveira, Marco Aurélio Schüler, Tomazini, Larissa Fonseca, Wagner, Ana Luiza Santos, Menezes, Paulo Vinícius Moreira da Costa, dos Santos, Wanderley Dantas, Ferrarese-Filho, Osvaldo, Constantin, Rodrigo Polimeni, and Marchiosi, Rogério

Published
2025
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29. HDAC6 inhibition through WT161 synergizes with temozolomide, induces apoptosis, reduces cell motility, and decreases β-catenin levels in glioblastoma cells

Author

Oliveira, Leilane Sales, Oliveira-Silva, João Marcos, Almeida-Souza, Hebreia Oliveira, Martins, Mario Machado, Chiminazo, Carolina Berraut, Fonseca, Rafael, Souza, Carlos Vinicius Expedito de, Aissa, Alexandre Ferro, Bastos, Luciana Machado, Ionta, Marisa, Almeida Lima, Graziela Domingues de, and Castro-Gamero, Angel Mauricio

Published
2025
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48. Cutoff points for handgrip strength in patients with liver cirrhosis: a multicenter study

Author

Santos, Bárbara Chaves, Alves, Bruna Cherubini, Fonseca, Ana Luisa Ferreira, Ferreira, Samanta Catherine, Mizubuti, Yani Gláucia Gomide, Saueressig, Camila, Boulhosa, Ramona Souza da Silva Baqueiro, Santos, Lívia Alves Amaral, Cunha, Carla de Magalhães, Lyra, Andre Castro, Oliveira, Lucivalda Pereira Magalhães, de Jesus, Rosângela Passos, Romeiro, Fernando Gomes, Dall’Alba, Valesca, Luft, Vivian Cristine, Correia, Maria Isabel Toulson Davisson, Ferreira, Lívia Garcia, and Anastácio, Lucilene Rezende

Published
2025
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50. Phosphorus-solubilizing Trichoderma strains: mechanisms to promote soybean growth and support sustainable agroecosystems

Author

Galeano, Rodrigo Mattos Silva, de Oliveira Simas, Ana Lorena, Ribeiro, João Victor Souza, de Alencar Guimarães, Nelciele Cavalieri, Viana, Thianny Fernanda Carrelo, Masui, Douglas Chodi, Corrêa, Bianca Obes, Giannesi, Giovana Cristina, de Lima, Sebastião Ferreira, da Silva Brasil, Marivaine, and Zanoelo, Fabiana Fonseca

Published
2025
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