JOSE MARIA
GRAU RIBAS
Catedrático de Universidad
Publications (89) JOSE MARIA GRAU RIBAS publications
2024
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Entry and leaving arcs of turnpikes: their exact computation in the calculus of variations
Canadian Mathematical Bulletin, Vol. 67, Núm. 1, pp. 227-243
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New Economic Model of Eutrophication of Shallow Lakes and the Existence of Equivalent Policies
Environmental Modeling and Assessment, Vol. 29, Núm. 2, pp. 365-373
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
2021
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A modified backward integration method for optimal control problems with degenerate equilibrium points
Optimal Control Applications and Methods, Vol. 42, Núm. 4, pp. 927-942
2020
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A Turn-Based Game Related to the Last-Success-Problem
Dynamic Games and Applications, Vol. 10, Núm. 4, pp. 836-844
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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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An extension of the Last-Success-Problem
Statistics and Probability Letters, Vol. 156
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An optimal stopping problem for an investing firm
Economic Computation and Economic Cybernetics Studies and Research, Vol. 54, Núm. 1, pp. 65-78
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Computing solutions to the congruence 1n+2n+⋯+nn≡p(modn)
Discrete Applied Mathematics, Vol. 286, pp. 3-9
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Irreversible linear pathways in enzymatic reactions: analytical solution using the homotopy perturbation method
Journal of Mathematical Chemistry, Vol. 58, Núm. 1, pp. 273-291
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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A new look at the returning secretary problem
Journal of Combinatorial Optimization, Vol. 37, Núm. 4, pp. 1216-1236
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Computational Approach for the Firm’s Cost Minimization Problem Using the Selective Infimal Convolution Operator
Computational Economics, Vol. 54, Núm. 2, pp. 535-549
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Optimal control of counter-terrorism tactics
Applied Mathematics and Computation, Vol. 347, pp. 477-491
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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