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Mostrando ítems 1-10 de 19
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Estudio del proceso de dispersión electrón-núcleo en la aproximación de impulso
(2017)
En este trabajo realizaremos un estudio de la dispersión de electrones con núcleos. Nos centraremos principalmente en la denominada aproximación de impulso de ondas planas (PWIA), en la cual se considera que tras la ...
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Las trans-S-variedades y la clasificación de Gray-Hervella.
(2017-06)
Recently, trans-S manifolds have been defined as a natural generalization of f-Kenmotsu, S-manifolds and C-manifolds. This uses f-structure techniques to extend results for almost contact manifolds, where trans-Sasakian ...
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Measurement of β+ emitters production cross sections of interest for range verification in proton therapy
(2017-06)
The uncertainty in the dose curve delivered during the treatment of tumors with protons, i.e. the position of the Bragg peak, makes it necessary to apply safety margins from 1% to 3% in the beam range. This means nearly 1 ...
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Controlabilidad de ecuaciones escalares parabólicas: análisis de diferentes técnicas
(2017)
The controllability of parabolic partial differential equations has been a topic of increasing interest in the last decades that it has attracted to good part of the mathematical community dedicated to the control. This ...
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Experimental study for the production cross section of β+ emitters for range verification in protontherapy
(2017)
In protontherapy, the uncertainties in the range of the beam delivered to the patient result in some safety margins in the planning that limit the dose that can be delivered to the tumour. For this reason, there is an ...
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Characterization of the ion pedestal in low and high collisionality plasmas
(2017)
The high confinement mode (H-mode) is a very important regime for future fusion devices. In this regime, the global confinement is increased and a pedestal structure is developed in the profiles. However, a complete ...
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Semigrupos de operadores de composición
(2017-09)
The main problem we consider in this work is the study of semigroups of composition operators on spaces of analytic functions on the unit disc. Mainly, we focus on the problem in Hardy spaces, Hp(D), and Bergman spaces, ...
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Problema de localización con barreras
(2017-06)
In location problems, the distance functions that model the travel distance between the elements of the problem play a fundamental role in the adequacy or fidelity of the theoretical problem to the real problem considered. ...
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Formalización de cáculos lógicos en Isabelle/Hol
(2017-06)
Natural deduction is a sound and complete proof procedure for propositional logic, that is, it only proves valid formulas and it proves every valid formula. In this work we establish the theory of propositional logic, and ...