Carlos Hermoso

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This paper addresses the problem of determining the symmetries of a plane or space curve defined by a rational parametrization. We provide effective methods to compute the involution and rotation symmetries for the planar case. As for space curves, our method finds the involutions in all cases, and all the rotation symmetries in the particular case of(More)
A novel and deterministic algorithm is presented to detect whether two given rational plane curves are related by means of a similarity, which is a central question in Pattern Recognition. As a by-product it finds all such similarities, and the particular case of equal curves yields all symmetries. A complete theoretical description of the method is(More)
The safety and tolerance of four intravenous formulations of Timentin (ticarcillin + clavulanic acid) have been evaluated in 1659 patients (1512 adults and 147 paediatric) included in clinical trials conducted in Europe and U.S.A. Timentin 3.2 and 5.2 g were administered respectively to 877 and 635 adults and Timentin 1.6 and 2.6 g to 117 and 30 paediatric(More)