Piñeiro, L. R. On Hermite-Padé polynomials related to certain Markov functions. (English) Zbl 1158.41306 Rev. Cienc. Mat. 20, No. 2, 123-128 (2002). MSC: 41A21 42C05 PDFBibTeX XMLCite \textit{L. R. Piñeiro}, Rev. Cienc. Mat. 20, No. 2, 123--128 (2002; Zbl 1158.41306) Full Text: Link
Fundora, A.; Pineiro, L. R. Simultaneous Hermite-Padé approximants for two Markov functions. (Spanish. English summary) Zbl 1158.41305 Rev. Cienc. Mat. 18, No. 1, 71-82 (2000). MSC: 41A21 41A29 PDFBibTeX XMLCite \textit{A. Fundora} and \textit{L. R. Pineiro}, Rev. Cienc. Mat. 18, No. 1, 71--82 (2000; Zbl 1158.41305)
Acosta Reyes, Ernesto Simultaneous two-point Padé approximant. (English) Zbl 1158.41304 Rev. Cienc. Mat. 18, No. 1, 60-70 (2000). MSC: 41A21 41A29 PDFBibTeX XMLCite \textit{E. Acosta Reyes}, Rev. Cienc. Mat. 18, No. 1, 60--70 (2000; Zbl 1158.41304)
Fernández, José L. Bohmann-Korovkin theorems with \(R_ F\)-convergence. (English) Zbl 1080.41503 Rev. Cienc. Mat. 13, No. 3, 231-236 (1992). MSC: 41A36 PDFBibTeX XMLCite \textit{J. L. Fernández}, Rev. Cienc. Mat. 13, No. 3, 231--236 (1992; Zbl 1080.41503)
Jiménez Pozo, Miguel A.; López Núñez, Eduardo F. Qualitative theorems of Korovkin type for the space of Riemann integrable functions. (Spanish. English summary) Zbl 1080.41504 Rev. Cienc. Mat. 11, No. 2, 123-135 (1990). MSC: 41A36 PDFBibTeX XMLCite \textit{M. A. Jiménez Pozo} and \textit{E. F. López Núñez}, Rev. Cienc. Mat. 11, No. 2, 123--135 (1990; Zbl 1080.41504)
González-Vera, Pablo; Casasús, Luis Orthogonal polynomials and series analysis. (English) Zbl 0723.42008 Rev. Cienc. Mat. 10, No. 3, 213-219 (1989). Reviewer: J.Musielak (Poznań) MSC: 42C05 41A21 30D30 PDFBibTeX XMLCite \textit{P. González-Vera} and \textit{L. Casasús}, Rev. Cienc. Mat. 10, No. 3, 213--219 (1989; Zbl 0723.42008)
Illán, Jesús On a characterization of convergence in a space of fractions and the numerical integration in \(H^ p\) spaces. (Spanish. English summary) Zbl 0689.42019 Rev. Cienc. Mat. 9, No. 3, 3-14 (1988). MSC: 42B30 41A20 40A05 PDFBibTeX XMLCite \textit{J. Illán}, Rev. Cienc. Mat. 9, No. 3, 3--14 (1988; Zbl 0689.42019)
Illán, J. A generalized interpolatory formula for the integration of analytic functions. (Spanish. English summary) Zbl 0661.41016 Rev. Cienc. Mat. 9, No. 1, 3-11 (1988). MSC: 41A55 41A05 41A20 PDFBibTeX XMLCite \textit{J. Illán}, Rev. Cienc. Mat. 9, No. 1, 3--11 (1988; Zbl 0661.41016)
Jiménez Pozo, M. A. A mathematical model for the trajectories of inclined oil-wells using parametric quadratic splines with free knots. (Spanish. English summary) Zbl 0661.41009 Rev. Cienc. Mat. 9, No. 1, 13-18 (1988). MSC: 41A15 92F05 PDFBibTeX XMLCite \textit{M. A. Jiménez Pozo}, Rev. Cienc. Mat. 9, No. 1, 13--18 (1988; Zbl 0661.41009)
López, G.; Jiménez, M. Korovkin type theorems for certain classes of analytic functions. (English) Zbl 0634.41019 Rev. Cienc. Mat. 8, No. 2, 25-29 (1987). MSC: 41A36 41A10 PDFBibTeX XMLCite \textit{G. López} and \textit{M. Jiménez}, Rev. Cienc. Mat. 8, No. 2, 25--29 (1987; Zbl 0634.41019)
López Lagomasino, Guillermo; Illán González, Jesús On the interpolatory methods of numerical integration and their connection with the rational approximation. (Spanish. English summary) Zbl 0634.41011 Rev. Cienc. Mat. 8, No. 2, 31-44 (1987). MSC: 41A20 41A21 41A55 PDFBibTeX XMLCite \textit{G. López Lagomasino} and \textit{J. Illán González}, Rev. Cienc. Mat. 8, No. 2, 31--44 (1987; Zbl 0634.41011)
Piñeiro Díaz, L. R. Asymptotic behaviour of a class of quasipolynomials and some polynomials. (Spanish. English summary) Zbl 0624.41034 Rev. Cienc. Mat. 7, No. 1, 17-25 (1986). MSC: 41A60 PDFBibTeX XMLCite \textit{L. R. Piñeiro Díaz}, Rev. Cienc. Mat. 7, No. 1, 17--25 (1986; Zbl 0624.41034)
Martínez Finkelshtein, Andrei On an inverse problem for files of Newton type multipoint Padé approximants. (Spanish. English summary) Zbl 0624.41019 Rev. Cienc. Mat. 7, No. 1, 43-59 (1986). MSC: 41A21 PDFBibTeX XMLCite \textit{A. Martínez Finkelshtein}, Rev. Cienc. Mat. 7, No. 1, 43--59 (1986; Zbl 0624.41019)
Plá, Héctor Approximation of solutions to a differential system on algebraic curves. (Spanish. English summary) Zbl 0623.34049 Rev. Cienc. Mat. 7, No. 2, 17-22 (1986). MSC: 34C99 41A25 PDFBibTeX XMLCite \textit{H. Plá}, Rev. Cienc. Mat. 7, No. 2, 17--22 (1986; Zbl 0623.34049)
López Lagomasino, Guillermo Strong convergence for sequence of polynomials, orthonormal with respect to varying measures on an interval. (English) Zbl 0622.42017 Rev. Cienc. Mat. 7, No. 3, 3-16 (1986). MSC: 42C05 41A20 PDFBibTeX XMLCite \textit{G. López Lagomasino}, Rev. Cienc. Mat. 7, No. 3, 3--16 (1986; Zbl 0622.42017)
Melnikov, M. S.; Valdés Castro, C. Interpolation sets in the Hausdorff measure for R(X). (Spanish. English summary) Zbl 0637.46056 Rev. Cienc. Mat. 6, No. 3, 13-20 (1985). Reviewer: F.Gackstatter MSC: 46J15 28A75 41A05 PDFBibTeX XMLCite \textit{M. S. Melnikov} and \textit{C. Valdés Castro}, Rev. Cienc. Mat. 6, No. 3, 13--20 (1985; Zbl 0637.46056)
Piedra de la Torre, René Overconvergence of sequences of Padé approximants of type (\(\alpha\) ,\(\beta\) ). (Spanish. English summary) Zbl 0624.41005 Rev. Cienc. Mat. 6, No. 3, 21-31 (1985). MSC: 41A05 41A21 41A20 PDFBibTeX XMLCite \textit{R. Piedra de la Torre}, Rev. Cienc. Mat. 6, No. 3, 21--31 (1985; Zbl 0624.41005)
Hernández Herrera, René; López Lagomasino, Guillermo The relationship between the order of growth of an entire function and the convergence speed of the best polynomial approximation. (Spanish. English summary) Zbl 0622.41005 Rev. Cienc. Mat. 6, No. 3, 33-39 (1985). MSC: 41A10 41A50 PDFBibTeX XMLCite \textit{R. Hernández Herrera} and \textit{G. López Lagomasino}, Rev. Cienc. Mat. 6, No. 3, 33--39 (1985; Zbl 0622.41005)
Mederos, Otilio B. The approximate solution of Carleman’s problem with three elements for the strip and boundedness of the error in \(L_ 2(R)\). (Spanish) Zbl 0594.41011 Rev. Cienc. Mat. 6, No. 2, 95-105 (1985). MSC: 41A30 34E10 PDFBibTeX XMLCite \textit{O. B. Mederos}, Rev. Cienc. Mat. 6, No. 2, 95--105 (1985; Zbl 0594.41011)
Fernández Infante, Abel; López Lagomasino, Guillermo Extension of the Abel and Tauber theorems to sequences of rational interpolation fractions. (Spanish) Zbl 0594.40008 Rev. Cienc. Mat. 6, No. 1, 21-34 (1985). MSC: 40E05 41A21 PDFBibTeX XMLCite \textit{A. Fernández Infante} and \textit{G. López Lagomasino}, Rev. Cienc. Mat. 6, No. 1, 21--34 (1985; Zbl 0594.40008)
Potapov, M. K.; Fernández Muñiz, J. L. Theorems of approximation and immersion for functions of several variables. (Spanish) Zbl 0589.41023 Rev. Cienc. Mat. 5, No. 3, 3-18 (1984). Reviewer: I.Şerb MSC: 41A50 42B05 32A30 32A35 PDFBibTeX XMLCite \textit{M. K. Potapov} and \textit{J. L. Fernández Muñiz}, Rev. Cienc. Mat. 5, No. 3, 3--18 (1984; Zbl 0589.41023)
Valdés Castro, Concepción; Marón Domĭnguez, David E. Some local properties of peak sets and of interpolation sets. (Spanish) Zbl 0588.46035 Rev. Cienc. Mat. 5, No. 3, 19-22 (1984). MSC: 46J15 41A05 PDFBibTeX XMLCite \textit{C. Valdés Castro} and \textit{D. E. Marón Domĭnguez}, Rev. Cienc. Mat. 5, No. 3, 19--22 (1984; Zbl 0588.46035)
Silva Rehermann, Celiar A variation of a bounding formula of Jimenez. (Spanish. English summary) Zbl 0584.47004 Rev. Cienc. Mat. 5, No. 1, 3-42 (1984). MSC: 47A30 47B39 41A36 47B60 PDFBibTeX XMLCite \textit{C. Silva Rehermann}, Rev. Cienc. Mat. 5, No. 1, 3--42 (1984; Zbl 0584.47004)
López Lagomasino, Guillermo; Felipe Parada, Raúl The convergence of sequences of Padé approximants close to the principal diagonal for functions of Stieltjes type. (Spanish. English summary) Zbl 0559.41013 Rev. Cienc. Mat. 4, No. 3, 79-98 (1983). MSC: 41A21 PDFBibTeX XMLCite \textit{G. López Lagomasino} and \textit{R. Felipe Parada}, Rev. Cienc. Mat. 4, No. 3, 79--98 (1983; Zbl 0559.41013)
López Lagomasino, Guillermo; Piedra de la Torre, René A theorem of I. L. Walsh on overconvergence. (Spanish. English summary) Zbl 0559.41001 Rev. Cienc. Mat. 4, No. 3, 67-78 (1983). MSC: 41A05 41A20 41A10 PDFBibTeX XMLCite \textit{G. López Lagomasino} and \textit{R. Piedra de la Torre}, Rev. Cienc. Mat. 4, No. 3, 67--78 (1983; Zbl 0559.41001)
Fernandez Muniz, Jose Luis Qualitative theorems of Korovkin type for sequences of operators of the class R. (Spanish) Zbl 0527.41012 Rev. Cienc. Mat. 3, No. 1, 57-69 (1982). MSC: 41A36 PDFBibTeX XMLCite \textit{J. L. Fernandez Muniz}, Rev. Cienc. Mat. 3, No. 1, 57--69 (1982; Zbl 0527.41012)
Lopez Lagomasino, G.; Illan Gonzalez, J. Quadrature formulas for unbounded intervals. (Spanish) Zbl 0514.65011 Rev. Cienc. Mat. 3, No. 3, 29-47 (1982). MSC: 65D32 41A55 41A21 PDFBibTeX XMLCite \textit{G. Lopez Lagomasino} and \textit{J. Illan Gonzalez}, Rev. Cienc. Mat. 3, No. 3, 29--47 (1982; Zbl 0514.65011)
Potapov, M. K.; Fernández Muniz, J. L. Characteristic structure and constructive characteristic of functions analytic in a strip. (Spanish. English summary) Zbl 0564.42001 Rev. Cienc. Mat. 2, No. 2, 3-18 (1981). Reviewer: L.Lagomasino MSC: 42A10 41A17 41A50 PDFBibTeX XMLCite \textit{M. K. Potapov} and \textit{J. L. Fernández Muniz}, Rev. Cienc. Mat. 2, No. 2, 3--18 (1981; Zbl 0564.42001)
Jiménez Pozo, M. A.; Baile Baldet, M. Estimates of the order of convergence of a sequence of linear operators in function spaces with weight. (Spanish. English summary) Zbl 0561.41020 Rev. Cienc. Mat. 2, No. 1, 16-28 (1981). Reviewer: I.Raşa MSC: 41A36 PDFBibTeX XMLCite \textit{M. A. Jiménez Pozo} and \textit{M. Baile Baldet}, Rev. Cienc. Mat. 2, No. 1, 16--28 (1981; Zbl 0561.41020)
Potapov, M. K.; Fiodorov, V. M.; Fraguela, A. About the best approximation of integrable functions in \(L_ p\)-space with weight. (Spanish. English summary) Zbl 0558.41027 Rev. Cienc. Mat. 2, No. 2, 19-42 (1981). Reviewer: S.Cinquini MSC: 41A50 41A65 PDFBibTeX XMLCite \textit{M. K. Potapov} et al., Rev. Cienc. Mat. 2, No. 2, 19--42 (1981; Zbl 0558.41027)
López Lagomasino, Guillermo Rational approximation with free poles to meromorphic functions of Stieltjes type. (Spanish. English summary) Zbl 0556.30033 Rev. Cienc. Mat. 2, No. 1, 75-89 (1981). MSC: 30E10 41A21 PDFBibTeX XMLCite \textit{G. López Lagomasino}, Rev. Cienc. Mat. 2, No. 1, 75--89 (1981; Zbl 0556.30033)
López, Guillermo; Diallo, Ahmadon Kangun On the convergence of sequences of interpolating rational fractions with free poles to functions of Stieltjes type. (Spanish. English summary) Zbl 0556.30032 Rev. Cienc. Mat. 2, No. 1, 56-74 (1981). MSC: 30E10 41A21 PDFBibTeX XMLCite \textit{G. López} and \textit{A. K. Diallo}, Rev. Cienc. Mat. 2, No. 1, 56--74 (1981; Zbl 0556.30032)
López Lagomasino, G.; Illán González, J. On the convergence of multipoint Padé approximants to meromorphic functions of Stieltjes type. (Spanish. English summary) Zbl 0556.30031 Rev. Cienc. Mat. 2, No. 2, 43-65 (1981). MSC: 30E10 41A21 PDFBibTeX XMLCite \textit{G. López Lagomasino} and \textit{J. Illán González}, Rev. Cienc. Mat. 2, No. 2, 43--65 (1981; Zbl 0556.30031)
Potapov, M. K.; López, G. On the problem of the characteristic structure of functions with a certain order of best approximation by means of algebraic polynomials. (Spanish. English summary) Zbl 0544.41023 Rev. Cienc. Mat. 2, No. 3, 85-99 (1981). MSC: 41A50 41A10 PDFBibTeX XMLCite \textit{M. K. Potapov} and \textit{G. López}, Rev. Cienc. Mat. 2, No. 3, 85--99 (1981; Zbl 0544.41023)
Potapov, M. K.; Jiménez Pozo, M. A. On the angular approximation in spaces of continuous functions. (Spanish. English summary) Zbl 0544.41020 Rev. Cienc. Mat. 2, No. 3, 101-110 (1981). MSC: 41A30 PDFBibTeX XMLCite \textit{M. K. Potapov} and \textit{M. A. Jiménez Pozo}, Rev. Cienc. Mat. 2, No. 3, 101--110 (1981; Zbl 0544.41020)