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Díaz Barrero, José Luis

Total activity: 1006

Research group: COSDA-UPC - COmpositional and Spatial Data Analysis
Department: Department of Civil and Environmental Engineering
School: Barcelona School of Civil Engineering (ETSECCPB)

E-mail: jose.luis.diazupc.edu
Contact details: UPC directory

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Scientific and technological production

1 to 50 of 1006 results

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Some inequalities involving convergent series
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 28, num. 1, p. 3-8
Date of publication: 2020-07
Journal article

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An upper bound for the standard deviation of a random variable
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 7, num. 1, p. 38
Date of publication: 2020-07
Journal article

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Seventeen camels problem
Rivero, Ó.; Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 7, num. 1, p. 41-47
Date of publication: 2020-07
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A new bound for the moduli of the zeros
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 7, num. 1, p. 27-31
Date of publication: 2020-07
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The last three decades of Lalescu limit
Batinetu, D.; Stanciu, N.; Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 7, num. 1, p. 16-26
Date of publication: 2020-07
Journal article

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Sum of cubes of Pellian numbers: OQ5399
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 27, num. 2, p. 1412
Date of publication: 2020-02
Journal article

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A limit of composite functions
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 8, p. 499
DOI: 10.1111/ssm.12353
Date of publication: 2019-12
Journal article

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An infinite telescopic sum
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 7, p. 428
DOI: 10.1111/ssm.12352
Date of publication: 2019-11
Journal article

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Sum of determinants
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 6, p. 366
DOI: 10.1111/ssm.12351
Date of publication: 2019-10
Journal article

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A Fibonacci-Lucas inequality
Diaz-Barrero, J.L.
Fibonacci quarterly
Vol. 57, num. 3, p. 277
Date of publication: 2019-08
Journal article

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A sum involving harmonic numbers
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 27, num. 1, p. 508
Date of publication: 2019-06
Journal article

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The cubic root of a determinant
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 27, num. 1, p. 440
Date of publication: 2019-06
Journal article

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Partition of a set
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 27, num. 1, p. 441
Date of publication: 2019-06
Journal article

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Chebyshev’s inequality and some of its applications
Diaz-Barrero, J.L.; Felipe, M.
Arhimede Mathematical Journal
Vol. 6, num. 1, p. 47-53
Date of publication: 2019-06
Journal article

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The limit of a finite product (a-68)
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 6, num. 1, p. 44
Date of publication: 2019-06
Journal article

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An application of Candido's identity (em-68)
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 6, num. 1, p. 40
Date of publication: 2019-06
Journal article

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A new inequality involving positive real numbers
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 5, p. 297
DOI: 10.1111/ssm.12342
Date of publication: 2019-05
Journal article

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A sum involving twin primes
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 4, p. 236
DOI: 10.1111/ssm.12334
Date of publication: 2019-04
Journal article

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The minimum of a cyclic sum
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 3, p. 171
DOI: 10.1111/ssm.12328
Date of publication: 2019-03
Journal article

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Determinant of a Symmetric Matrix
Diaz-Barrero, J.L.
Fibonacci quarterly
Vol. 57, num. 1, p. 82-83
Date of publication: 2019-02
Journal article

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An infinite sum
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 119, num. 2, p. 115
DOI: 10.1111/ssm.12322
Date of publication: 2019-02
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A bound for the discriminant of a polynomial
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 5, num. 2, p. 123-124
Date of publication: 2019-01
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An application of Cauchy's theorem
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 118, num. 8, p. 396
DOI: 10.1111/ssm.12308
Date of publication: 2018-12
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An inequality involving binomial coefficients
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 118, num. 7, p. 332
DOI: 10.1111/ssm.12307
Date of publication: 2018-11
Journal article

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A cyclic trigonometric inequality
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 118, num. 6, p. 271
DOI: 10.1111/ssm.12296
Date of publication: 2018-10
Journal article

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A limit involving Gamma function
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 26, num. 1, p. 299
Date of publication: 2018-10
Journal article

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Theorems and problems in classical geometry
Diaz-Barrero, J.L.; Felipe, M.
Arhimede Mathematical Journal
Vol. 5, num. 2, p. 126-138
Date of publication: 2018-10
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Inequalities in inner products
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 26, num. 2, p. 622-626
Date of publication: 2018-10
Journal article

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A nonlinear system of equations
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 5, num. 1, p. 31
Date of publication: 2018-06
Journal article

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Mach ado about Pigeonhole principle
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 5, num. 1, p. 36-43
Date of publication: 2018-06
Journal article

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A rational inequality for positive numbers
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 118, num. 5, p. 201
DOI: 10.1111/ssm.12281
Date of publication: 2018-05
Journal article

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Two doses of AM-GM inequality
Diaz-Barrero, J.L.
Fibonacci quarterly
Vol. 56, num. 2, p. 178-179
Date of publication: 2018-05
Journal article

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A new inequality involving complex numbers
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 25, num. 2, p. 507
Date of publication: 2018-03
Journal article

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A set that is neither an open set nor a closed set
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 25, num. 2, p. 313-314
Date of publication: 2018-03
Journal article

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A not usual integral
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 25, num. 2, p. 310-313
Date of publication: 2018-03
Journal article

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Comparative study of annular regions containing all the zeros of a polynomial
Diaz-Barrero, J.L.; Gibergans-Báguena, J.; Pantelimon, G.
Octogon mathematical magazine
Vol. 25, num. 2, p. 78-91
Date of publication: 2018-03
Journal article

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Integral inequality foer convex fucntions
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 118, num. 1-2, p. 70
DOI: 10.1111/ssm.12263
Date of publication: 2018-02
Journal article

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A Fibonacci-Lucas determinant
Diaz-Barrero, J.L.
Fibonacci quarterly
Vol. 56, num. 1, p. 81
Date of publication: 2018-02
Journal article

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A sine-cosine inequality
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 117, num. 7-8, p. 352
DOI: 10.1111/ssm.12253
Date of publication: 2017-12
Journal article

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A new inequality for the triangle
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 117, num. 7-8, p. 350-351
DOI: 10.1111/ssm.12252
Date of publication: 2017-12
Journal article

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A fourier sum
Diaz-Barrero, J.L.
School science and mathematics [en línia]
Vol. 117, num. 6, p. 283
DOI: 10.1111/ssm.12235
Date of publication: 2017-10
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Conjecture and proof
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 4, num. 2, p. 108-117
Date of publication: 2017-09
Journal article

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Integral and limits
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 4, num. 2, p. 88-96
Date of publication: 2017-09
Journal article

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MR3626333: comparative study of eighth-order methods for finding simple roots of nonlinear equations
Diaz-Barrero, J.L.
Mathematical reviews
Vol. 1, num. 1, p. 1-3
Date of publication: 2017-08
Journal article

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MR3639709: local convergence of some high order iterative methods based on the decomposition technique using only the first derivative
Diaz-Barrero, J.L.
Mathematical reviews
Vol. 1, num. 1, p. 1
Date of publication: 2017-08
Journal article

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Picking the right numbers
Diaz-Barrero, J.L.
Fibonacci quarterly
Vol. 55, num. 3, p. 280
Date of publication: 2017-08
Journal article

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MR3584552: the Schwarzian-Newton method for solving nonlinear equations, with applications
Diaz-Barrero, J.L.
Mathematical reviews
Vol. 1, num. 1, p. 1-2
Date of publication: 2017-07
Journal article

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MR3602677: a family of second derivative free fourth order continuation method for solving nonlinear equations
Diaz-Barrero, J.L.
Mathematical reviews
Vol. 1, num. 1, p. 1-2
Date of publication: 2017-06
Journal article

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Forward-Backward induction
Diaz-Barrero, J.L.
Arhimede Mathematical Journal
Vol. 4, num. 1, p. 25-32
Date of publication: 2017-06
Journal article

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Note on Bergstrom inequality
Diaz-Barrero, J.L.
Octogon mathematical magazine
Vol. 25, num. 1, p. 103-107
Date of publication: 2017-06
Journal article

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Díaz Barrero, José Luis

Scientific and technological production

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