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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 118
Issue DateTitleAuthor(s)TypeAccess Type
8-Mar-2022Filter design based on the fractional Fourier transform associated with new convolutions and correlationsCastro, L. P.; Minh, L. T.; Tuan, N. M.articleembargoedAccess
2022Hyers-Ulam stability of a certain Fredholm integral equationSimões, Alberto; Selvan, PonmanaarticleopenAccess
2-Nov-2021New sufficient conditions to ulam stabilities for a class of higher order integro-differential equationsSimões, A. M.; Carapau, F.; Correia, P.articleopenAccess
2021A Hyers-Ulam stability analysis for classes of Bessel equationsCastro, L. P.; Simões, A. M.articleopenAccess
2021Efficient choice of parameters on delta-reachability bounded hybrid systemsRocha, Eugénio Miguel Alexandre; Murillo, Kelly PatriciaarticleopenAccess
Dec-2021A non-parametric and multidirectional model in quantitative researchMurillo, Kelly Patricia; Rocha, Eugenio Alexander MiguelarticleopenAccess
2021Convolutions and integral equations weighted by multi-dimensional Hermite functionsCastro, L. P.; Guerra, R. C.; Tuan, N. M.articleembargoedAccess
1-Aug-2021Density results for Sobolev, Besov and Triebel–Lizorkin spaces on rough setsCaetano, A. M.; Hewett, D. P.; Moiola, A.articleembargoedAccess
Jul-2021Application of the fractional Sturm–Liouville theory to a fractional Sturm–Liouville telegraph equationFerreira, M.; Rodrigues, M. M.; Vieira, N.articleembargoedAccess
Apr-2021A new convolution operator for the linear canonical transform with applicationsCastro, Luís P.; Goel, Navdeep; Silva, Anabela S.articleembargoedAccess
2020New convolutions associated with the Mellin transform and their applications in integral equationsCastro, L. P.; Silva, A. S.; Tuan, N. M.articleopenAccess
15-Feb-2021New convolutions with Hermite weight functionsCastro, Luís Pinheiro; Silva, Anabela Sousa; Tuan, Nguyen MinharticleembargoedAccess
15-Nov-2020Preservation of certain vanishing properties of generalized Morrey spaces by some classical operatorsAlabalik, Aysegul Ç.; Almeida, Alexandre; Samko, StefanarticlerestrictedAccess
30-Jan-2021Eigenfunctions of the time‐fractional diffusion‐wave operatorFerreira, Milton; Luchko, Yury; Rodrigues, M. Manuela; Vieira, NelsonarticleembargoedAccess
Dec-2020Factors influencing the economic behavior of the food, beverages and tobacco industry: a case study for Portuguese enterprisesMurillo, Kelly P.; Rocha, Eugénio M.articleopenAccess
15-Aug-2020Circular economy in plastic waste: efficiency analysis of European countriesRobaina, Margarita; Murillo, Kelly; Rocha, Eugénio; Villar, JoséarticlerestrictedAccess
2020Mixed impedance boundary value problems for the Laplace–Beltrami equationCastro, Luis; Duduchava, Roland; Speck, Frank-OlmearticleopenAccess
2019A tribute to the late Professor Constantin CorduneanuStaicu, VasilearticleopenAccess
2018To Academician Constantin Corduneanu on the ocasion of his 90th birthdayStaicu, VasilearticleopenAccess
Feb-2019A composite material with inextensible-membrane-type interfaceCastro, L. P.; Pesetskaya, E.articleopenAccess
Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 118