Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas ( RACSAM )

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  Año 2020, Vol. 114, Número 1

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    Parameter dependence for the positive solutions of nonlinear, nonhomogeneous Robin problems

    Nikolaos S. Papageorgiou, Calogero Vetro, Francesca Vetro

    • Resumen

    págs. 1-29

    
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    Convergence formulae for double Dirichlet series

    Jaime Castillo Medina

    • Resumen

    págs. 30-49

    
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    On the uniqueness of the torsion and curvature operators

    Adrián Gordillo Merino , Raúl Martínez Bohórquez, José Navarro

    • Resumen

    págs. 50-62

    
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    Geometry of bi-warped product submanifolds of locally product Riemannian manifolds

    Siraj Uddin, Adela Mihai, Ion Mihai, Awatif Al-Jedani

    • Resumen

    págs. 63-79

    
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    Optimal ordering policy in an economic order quantity (EOQ) model for non-instantaneous deteriorating items with defective quality and permissible delay in payments

    Jui Jung Liao, Kuo Nan Huang, Kun Jen Chung, Shy Der Lin, Nan Huang

    • Resumen

    págs. 80-105

    
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    Self-adaptive algorithms with inertial effects for solving the split problem of the demicontractive operators

    Raweerote Suparatulatorn, Prasit Cholamjiak, Suthep Suantai

    • Resumen

    págs. 106-121

    
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    Spaces of locally homogeneous affine surfaces

    Miguel Brozos Vázquez , Eduardo García Río , Peter B. Gilkey

    • Resumen

    págs. 122-132

    
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    Block Toeplitz matrices for burst-correcting convolutional codes

    Joan-Josep Climent Coloma , Diego Napp Avelli , Verónica Requena Arévalo

    • Resumen

    págs. 133-146

    
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    Right weak Engel conditions on linear groups

    B. A. F. Wehrfritz

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    págs. 147-156

    
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    On spaces of vector-valued functions modeled on the Hardy and Bergman algebras

    Marek Nawrocki

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    págs. 157-176

    
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    Complete q-th moment convergence and its statistical applications

    Aiting Shen, Caoqing Wu

    • Resumen

    págs. 177-201

    
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    Generalized extragradient iterative methods for solving split feasibility and fixed point problems in Hilbert spaces

    P. Chuasuk, A. Kaewcharoen

    • Resumen

    págs. 202-226

    
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    Multiplicity and concentration of nontrivial nonnegative solutions for a fractional Choquard equation with critical exponent

    Shaoxiong Chen, Yue Li, Zhipeng Yang

    • Resumen

    págs. 227-261

    
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    Fractal approximation of a function from a countable sample set and associated fractal operator

    P. Viswanathan

    • Resumen

    págs. 262-281

    
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    Bézier–Bernstein–Durrmeyer type operators

    Arun Kajla, Tuncer Acar

    • Resumen

    págs. 282-292

    
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    On the definition and examples of cones and Finsler spacetimes

    Miguel Angel Javaloyes , Miguel Sánchez Caja

    • Resumen

    págs. 293-338

    
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    Some opial-type inequalities with higher order delta derivatives on time scales

    A. A. El Deeb, H. A. El Sennary, Praveen Agarwal

    • Resumen

    págs. 339-352

    
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    Mathematical analytic techniques and the complete squares method for solving an inventory modelling problem with a mixture of backorders and lost sales

    Kun Jen Chung, Jui-Jung Liao, Shy-Der Lin, Sheng-Tu Chuang, H. M. Srivastava

    • Resumen

    págs. 353-362

    
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    Quarantine in an epidemic model with seasonality

    Carmen Coll Aliaga , Elena Sánchez Juan

    • Resumen

    págs. 363-374

    
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    Geronimus transformations for sequences of d-orthogonal polynomials

    D. Barrios Rolanía, Juan Carlos García Ardila

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    págs. 375-388

    
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    Natural approximation of Masjed-Jamei’s inequality

    Ling Zhu, Branko Malesevic

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    págs. 389-399

    
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    Natural approachs of Young’s inequality

    Ling Zhu

    • Resumen

    págs. 400-410

    
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    On the best Ulam constant of the second order linear differential operator

    Alina Ramona Baias, Dorian Popa

    • Resumen

    págs. 411-425

    
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    Another form of Chover’s law of the iterated logarithm under sub-linear expectations

    Qunying Wu, Jianfang Lu

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    págs. 426-447

    
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    Diophantine quadruples with the properties D(n1) and D(n2)

    Andrej Dujella, Vinko Petričević

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    págs. 448-456

    
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    Calabi–Bernstein type results for complete constant mean curvature spacelike hypersurfaces in spatially open Generalized Robertson–Walker spacetimes

    José A. S. Pelegrín

    • Resumen

    págs. 457-469

    
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    A note on generalized companion pencils in the monomial basis

    Fernando de Terán Vergara , Carla Hernando Fuster

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    págs. 470-486

    
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    Differentiable families of traceless matrix triples

    María Isabel García Planas , Tetiana Klymchuk

    • Resumen

    págs. 487-493

    
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    What do the modular characters know?

    Gabriel Navarro Ortega

    • Resumen

    págs. 494-499

    
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    Spaces with an M-diagonal

    David Guerrero Sánchez

    • Resumen

    págs. 500-507