JOSE MARIA
GRAU RIBAS
Catedrático de Universidad
Centro Universitario de la Defensa
San Javier, EspañaPublications in collaboration with researchers from Centro Universitario de la Defensa (26)
2023
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A New Method for Computing Asymptotic Results in Optimal Stopping Problems
Bulletin of the Malaysian Mathematical Sciences Society, Vol. 46, Núm. 1
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MINIMAL RINGS RELATED TO GENERALIZED QUATERNION RINGS
International Electronic Journal of Algebra, Vol. 34, Núm. 34, pp. 88-111
2022
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A Class of Weighted Delannoy Numbers
Filomat, Vol. 36, Núm. 17, pp. 5985-6007
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COUNTING NON-ISOMORPHIC GENERALIZED HAMILTON QUATERNIONS
International Electronic Journal of Algebra, Vol. 31, Núm. 31, pp. 143-160
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On μ -Sondow numbers
Acta Mathematica Hungarica, Vol. 168, Núm. 1, pp. 217-227
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The multi-returning secretary problem
Discrete Applied Mathematics, Vol. 320, pp. 33-46
2020
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A primality test for 4 Kpn- 1 numbers
Monatshefte fur Mathematik, Vol. 191, Núm. 1, pp. 93-101
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Computing solutions to the congruence 1n+2n+⋯+nn≡p(modn)
Discrete Applied Mathematics, Vol. 286, pp. 3-9
2019
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Fast computation of the number of solutions to x 1 2 +⋯+x k 2 ≡λ(modn)
Journal of Number Theory, Vol. 200, pp. 427-440
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The Best-or-Worst and the Postdoc problems with random number of candidates
Journal of Combinatorial Optimization, Vol. 38, Núm. 1, pp. 86-110
2018
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Generalized Quaternion Rings over Z/ nZ for an Odd n
Advances in Applied Clifford Algebras, Vol. 28, Núm. 1
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The Best-or-Worst and the Postdoc problems
Journal of Combinatorial Optimization, Vol. 35, Núm. 3, pp. 703-723
2017
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On power sums of matrices over a finite commutative ring
International Journal of Algebra and Computation, Vol. 27, Núm. 5, pp. 547-560
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On the Zero Divisor Graphs of the Ring of Lipschitz Integers Modulo n
Advances in Applied Clifford Algebras, Vol. 27, Núm. 2, pp. 1191-1202
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On the diameter of the commuting graph of the full matrix ring over the real numbers
Bulletin of the Iranian Mathematical Society, Vol. 43, Núm. 1, pp. 217-221
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Power sums over finite commutative unital rings
Finite Fields and their Applications, Vol. 48, pp. 10-19
2016
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Solutions of the congruence 1+2f(n)+⋯+nf(n)≡0modn
Mathematische Nachrichten, Vol. 289, Núm. 7, pp. 820-830
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Variations on Giuga numbers and Giuga’s congruence
Ukrainian Mathematical Journal, Vol. 67, Núm. 11, pp. 1778-1785
2015
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A primality test for Kpn + 1 numbers
Mathematics of Computation, Vol. 84, Núm. 291, pp. 505-512
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A von Staudt-type result for (Formula presented.)
Monatshefte fur Mathematik, Vol. 178, Núm. 3, pp. 345-359