• Geometrical aggregation of finite fuzzy sets 

  Campión Arrastia, María Jesús ; García Catalán, Olga Raquel ; Indurain Eraso, Esteban; Lizasoain Iriso, María Inmaculada ; Raventós Pujol, Armajac; Valero, Óscar (Elsevier, 2018)   Artículo / Artikulua

  A fuzzy set on a finite universe can be interpreted as a vector in a unit cube. This gives rise to a huge variety of approaches in order to aggregate finite fuzzy sets or to modify a given one. We analyze several geometrical ...

• Electric field alignment of multi-walled carbon nanotubes through curing of an epoxy matrix 

  Ramos, José A.; Esposito, Leandro; Kortaberria, Galder; Fernández-d'Arlas Bidegáin, Borja; Zalakain Iriazabal, Iñaki; Goyanes, Silvia; Mondragón, Iñaki (Nanofun-Poly European Network of Excellence, 2012)   Artículo / Artikulua  

  The electrical alignment of multi-walled carbon nanotubes (MWCNT) in an epoxy resin was studied through curing using electrical measurements and optical microscopy. The epoxy system was composed by diglycidyl ether of ...

• Especificidades ion–macromolécula observadas con diversas sales y clara de huevo cocida 

  Fernández-d'Arlas Bidegáin, Borja (Universidad del País Vasco, 2018)   Artículo / Artikulua  

  En este artículo se presentan los resultados de unos sencillos ensayos de solubilidad de la clara de huevo cocido en medios tanto básico como ácido en presencia de distintas sales tales como haluros sódicos y varios cloruros ...

• Corrigendum to “Oscillatory motions in restricted N-body problems” [J. Differential Equations 265 (2018) 779–803] 

  Alvarez-Ramírez, Martha; García, Antonio ; Palacián Subiela, Jesús Francisco ; Yanguas Sayas, Patricia  (Elsevier, 2019)   Artículo / Artikulua

  At the beginning of paper [1] there is an error that spreads along the rest of the work and the conclusions are not correct in their present form. Precisely, in Section 2, page 783, there is a contradiction related to the ...

• Small area estimation of gender-based violence: rape incidence risks in Uttar Pradesh, India 

  Vicente, G.; Goicoa Mangado, Tomás ; Puranik, A; Ugarte, M.D. (Society of Statistics, Computer and Applications, 2018)   Artículo / Artikulua  

  Violence against women is considered an endemic problem in communities and countries around the world, and it has been declared an issue of epidemic proportions by the World Health Organization (WHO). In India, where the ...

• Effect of the preparation method and metal content on the synthesis of metal modified titanium oxide used for the removal of salicylic acid under UV light 

  Santamaría Arana, Leticia; Vicente, M.A.; Korili, Sophia A.; Gil Bravo, Antonio  (Taylor & Francis, 2018)   Artículo / Artikulua

  Titanium dioxide modified with Ag and Fe was synthesized using two preparation methods, characterized and applied to the photocatalytic degradation of salicylic acid in aqueous solution. The modified TiO2 samples were ...

• Photocatalytic degradation of trimethoprim on doped Ti-pillared montmorillonite 

  González, Beatriz; Trujillano, Raquel; Vicente, Miguel A.; Rives Vicente; Korili, Sophia A.; Gil Bravo, Antonio  (Elsevier, 2019)   Artículo / Artikulua

  Montmorillonite pillared with titanium and doped with Cr3+ or Fe3+ has been tested for the photo-degradation of the antibiotic trimethoprim (trimethoxybenzyl-2,4-pyrimidinediamine) under different conditions, namely, in ...

• A response surface methodology for optimization of 2,4-dichlorophenoxyacetic acid removal from synthetic and drainage water: a comparative study 

  Amiri, Mohammad Javad; Bahrami,Mehdi; Beigzadeh, Bahare; Gil Bravo, Antonio  (Springer, 2018)   Artículo / Artikulua

  The potential of a granular activated carbon (GAC), a rice husk biochar (BRH), and multi-walled carbon nanotubes (MWCNTs) for removing 2,4-dichlorophenoxyacetic acid (2,4-D) from simulated wastewater and drainage water has ...

• Effective degradation of methylene blue in aqueous solution using Pd-supported Cu-doped Ti-pillared montmorillonite catalyst 

  Joseph, Annu; Vellayan, Kannan; González, Beatriz; Vicente, Miguel A.; Gil Bravo, Antonio  (Elsevier, 2019)   Artículo / Artikulua

  The effluents from the textile, paper and food industries contain organic dyes that are strongly colored and reveal harmful effect on living systems. In order to reduce water pollution, the degradation of dye into non toxic ...

• Application of industrial wastes from chemically treated aluminum saline slags as adsorbents 

  Gil Bravo, Antonio ; Arrieta Chango, Ekhine; Vicente, Miguel Ángel; Korili, Sophia A. (American Chemical Society, 2018)   Artículo / Artikulua  

  In this study, industrial wastes, which remain after aluminum extraction from saline slags, were used as adsorbents. The aluminum saline slags were treated under reflux with 2 mol/dm3 aqueous solutions of NaOH, H2SO4, and ...

• Adsorption of rhodamine 6G and humic acids on composite bentonite-alginate in single and binary systems 

  Gomri, Fatima; Finqueneisel, Gisele; Zimny, Thierry; Korili, Sophia A.; Gil Bravo, Antonio ; Boutahala, Mokhtar (Springer, 2018)   Artículo / Artikulua  

  In this work, the preparation, characterization, and sorption of rhodamine 6G and humic acids on a composite sodium alginate-bentonite were investigated. Their structure and morphology were analyzed by several techniques, ...

• On co-orbital quasi-periodic motion in the three-body problem 

  Cors, Josep Maria; Palacián Subiela, Jesús Francisco ; Yanguas Sayas, Patricia  (Society for Industrial and Applied Mathematics (SIAM), 2019)   Artículo / Artikulua  

  Within the framework of the planar three-body problem we establish the existence of quasi-periodic motions and KAM 4-tori related to the co-orbital motion of two small moons about a large planet where the moons move in ...

• Convergent and asymptotic methods for second-order difference equations with a large parameter 

  Ferreira, Chelo; López García, José Luis; Pérez Sinusía, Ester (Springer, 2018)   Artículo / Artikulua

  We consider the second-order linear difference equation y(n+2)−2ay(n+1)−Λ2y(n)=g(n)y(n)+f(n)y(n+1) , where Λ is a large complex parameter, a≥0 and g and f are sequences of complex numbers. Two methods are proposed to find ...

• Uniform convergent expansions of the Gauss hypergeometric function in terms of elementary functions 

  Ferreira, Chelo; López García, José Luis; Pérez Sinusía, Ester (Taylor & Francis, 2018)   Artículo / Artikulua

  We consider the hypergeometric function 2F1(a, b; c; z) for z ∈ C \ [1,∞). For Ra ≥ 0, we derive a convergent expansion of 2F1(a, b; c; z) in terms of the function (1 − z)−a and of rational functions of z that is uniformly ...

• Uniform representation of the incomplete beta function in terms of elementary functions 

  Ferreira, Chelo; López García, José Luis; Pérez Sinusía, Ester (Kent State UniversityJohann Radon Institute (RICAM), 2018)   Artículo / Artikulua  

  We consider the incomplete beta function Bz(a, b) in the maximum domain of analyticity of its three variables: a, b, z ∈ C, −a /∈ N, z /∈ [1, ∞). For <b ≤ 1 we derive a convergent expansion of z−aBz(a, b) in terms of the ...

• Convergent expansions of the confluent hypergeometric functions in terms of elementary functions 

  Bujanda Cirauqui, Blanca ; López García, José Luis; Pagola Martínez, Pedro Jesús (American Mathematical Society, 2018)   Artículo / Artikulua  

  We consider the confluent hypergeometric function M(a, b; z) for z ∈ C and Rb >Ra > 0, and the confluent hypergeometric function U(a, b; z) for b ∈ C, Ra > 0, and Rz > 0. We derive two convergent expansions of M(a, b; z); ...

• The use of two-point Taylor expansions in singular one-dimensional boundary value problems I 

  Ferreira, Chelo; López García, José Luis; Pérez Sinusía, Ester (Elsevier, 2018)   Artículo / Artikulua

  We consider the second-order linear differential equation (x + 1)y′′ + f(x)y′ + g(x)y = h(x) in the interval (−1, 1) with initial conditions or boundary conditions (Dirichlet, Neumann or mixed Dirichlet-Neumann). The ...

• Convergent expansions of the incomplete gamma functions in terms of elementary functions 

  Bujanda Cirauqui, Blanca ; López García, José Luis; Pagola Martínez, Pedro Jesús (World Scientific Publishing, 2017)   Artículo / Artikulua  

  We consider the incomplete gamma function γ(a,z) for Ra>0 and z∈C. We derive several convergent expansions of z−aγ(a,z) in terms of exponentials and rational functions of z that hold uniformly in z with Rz bounded from ...

• A simplification of the stationary phase method: application to the Anger and Weber functions 

  López García, José Luis (Kent State UniversityJohann Radon Institute (RICAM), 2017)   Artículo / Artikulua  

  The main difficulty in the practical use of the stationary phase method in asymptotic expansions of integrals is originated by a change of variables. The coefficients of the asymptotic expansion are the coefficients of the ...

• Convergent expansions of the Bessel functions in terms of elementary functions 

  López García, José Luis; Pagola Martínez, Pedro Jesús (Springer US, 2018)   Artículo / Artikulua  

  We consider the Bessel functions Jν (z) and Yν (z) for ν > −1/2 and z ≥ 0. We derive a convergent expansion of Jν (z) in terms of the derivatives of (sin z)/z, and a convergent expansion of Yν (z) in terms of derivatives ...

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