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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 656
Issue DateTitleAuthor(s)TypeAccess Type
2022Infinitely many nodal solutions for anisotropic (p, q)-equationsAizicovici, Sergiu; Papageorgiou, Nikolaos; Staicu, VasilearticleopenAccess
2022Enriching traditional higher STEM education with online teaching and learning practices: students’ perspectiveSkliarova, Iouliia; Meireles, Inês; Martins, Natália; Tchemisova, Tatiana; Cação, IsabelarticleopenAccess
Oct-2022Graph Theory approach to COVID-19 transmission by municipalities and age groupsMachado, Pedro; Pinheiro, Sofia J.; Afreixo, Vera; Silva, Cristiana J.; Leitão, RuiarticleopenAccess
2021On 2-Selmer groups and quadratic twists of elliptic curvesBarrera Salazar, Daniel; Pacetti, Ariel; Tornaría, GonzaloarticlerestrictedAccess
Jun-2022Weighted iterated local branching for mathematical programming problems with binary variablesRodrigues, Filipe; Agra, Agostinho; Hvattum, Lars Magnus; Requejo, CristinaarticleopenAccess
Jul-2022MIP model-based heuristics for the minimum weighted tree reconstruction problemFajarda, Olga; Requejo, CristinaarticleembargoedAccess
2022Composition functionals in higher order calculus of variations and Noether's theoremFrederico, Gastão S. F.; Sousa, J. Vanterler da C.; Almeida, RicardoarticlerestrictedAccess
2022Variational problems of variable fractional order involving arbitrary kernelsAlmeida, RicardoarticleopenAccess
Dec-2022A generalized proportional Caputo fractional model of multi-agent linear dynamic systems via impulsive control protocolBohner, Martin; Hristova, Snezhana; Malinowska, Agnieszka B.; Morgado, Maria Luísa; Almeida, RicardoarticleopenAccess
Jul-2022Minimization problems for functionals depending on generalized proportional fractional derivativesAlmeida, RicardoarticleopenAccess
2022State-space realizations of periodic convolutional codesFornasini, E.; Napp, D.; Pereira, R.; Pinto, Raquel; Rocha, PaulaarticleopenAccess
Jun-2022The nexus between CO2 emissions from electricity generation, GDP and energy intensity using a complete maximum entropy approach: the case of IranZanjani, Zeinab; Soares, Isabel; Macedo, PedroarticleopenAccess
2022Mathematical analysis, forecasting and optimal control of HIV/AIDS spatiotemporal transmission with a reaction diffusion SICA modelZine, Houssine; El Adraoui, Abderrahim; Torres, Delfim F. M.articleopenAccess
Sep-2022Time-fractional diffusion equation with ψ-Hilfer derivativeVieira, Nelson; Rodrigues, M. Manuela; Ferreira, MiltonarticleembargoedAccess
Sep-2022Exorcising the phantom zoneBlackburn, Patrick; Martins, Manuel; Manzano, María; Huertas, AntoniaarticlerestrictedAccess
15-Oct-2022Complex network model for COVID-19: human behavior, pseudo-periodic solutions and multiple epidemic wavesSilva, Cristiana J.; Cantin, Guillaume; Cruz, Carla; Fonseca-Pinto, Rui; Passadouro, Rui; Santos, Estevão Soares dos; Torres, Delfim F. M.articleembargoedAccess
Jun-2022Existence results for a multipoint fractional boundary value problem in the fractional derivative Banach spaceBoucenna, Djalal; Chidouh, Amar; Torres, Delfim F. M.articleopenAccess
Feb-2022Yang-Mills instantons in an asymptotically locally flat background: Taub-NUT vs. Taub-BoltRadu, E.articlerestrictedAccess
Jul-2022Evolution of diet patterns over time in Europe from 1963 to 2013: an exploratory analysis using PCA for compositional data vectorsPinto, Mariana; Freitas, Adelaide; Costa, MarcoarticleopenAccess
Apr-2015Analysis of single-strand exceptional word symmetry in the human genome: new measuresAfreixo, Vera; Rodrigues, João M. O. S.; Bastos, Carlos A. C.articleopenAccess
Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 656