Now showing items 95-114 of 116

    Probabilistic and extremal studies in additive combinatorics 

    Wötzel, Maximilian (Date of defense: 2022-01-26)

    The results in this thesis concern extremal and probabilistic topics in number theoretic settings. We prove sufficient conditions on when certain types of integer solutions to linear systems of equations in binomial ...

    Probabilitat i causalitat en el manteniment en la marina mercant 

    Verdera i Tomas, Ernest (Date of defense: 1990-01-01)

    Aquest treball vol ser una aportació positiva a la teoria general del Manteniment Industrial. <br/>La teoria del Manteniment Industrial és un camp de la coneixença tècnica que encara ha de ser desbrossat d'influències que ...

    Product of digraphs, (super) edge-magic valences and related problems 

    Mohan, Prahu (Date of defense: 2019-07-03)

    Discrete Mathematics, and in particular Graph Theory, has gained a lot of popularity during the last 7 decades. Among the many branches in Graph Theory, graph labelings has experimented a fast development, in particular ...

    Propagación de ondas monocromáticas en guíaondas dieléctricas planas formadas por medios no lineales tipo Keir: Aplicación al diseño de dispositivos lógicos 

    Dios Otín, Federico (Date of defense: 1992-03-05)

    El trabajo se enmarca dentro del estudio de ciertas propiedades ópticas con vistas a su inclusión en el diseño de dispositivos de conmutación de señales ópticas. En particular se ha prestado atención a los medios que exhiben ...

    Qualitative properties of solutions to integro-differential elliptic problems 

    Felipe Navarro, Juan Carlos (Date of defense: 2021-07-14)

    The thesis is devoted to the analysis of elliptic PDEs and related problems. It is mainly focused on the study of qualitative and regularity properties of solutions to integro-differential equations. The study of such ...

    Rational-design of new candidates targeting bak and bombesin receptors in cancer 

    Vila i Julià, Guillem (Date of defense: 2023-11-22)

    (English) Cancer is the second leading cause of death globally, only behind cardiovascular diseases, being a major public health issue. Cancer comprises a wide group of diseases characterized by abnormal cell growth, which ...

    Recubrimientos k-arco transitivos de digrafos 

    Pérez Mansilla, Sonia (Date of defense: 2001-02-02)

    Un digrafo o grafo dirigido se dice que es k-arco transitivo si tiene grupo de automorfismos que actúa transitivamente en el conjunto de k-arcos. Para un entero positivo k, un k-arco de un digrafo es una secuencia ...

    Robotic manipulation of cloth: mechanical modeling and perception 

    Coltraro Ianniello, Franco (Date of defense: 2023-03-30)

    (Eng) In this work we study various mathematical problems arising from the robotic manipulation of cloth. First, we develop a locking-free continuous model for the physical simulation of inextensible textiles. We present ...

    Simulation of two-fluid immiscible Stokes flows using hybrid nonconforming methods and geometrically unfitted meshes 

    Piccardo, Stefano (Date of defense: 2023-12-04)

    (English) We consider two-fluid problems involving immiscible Stokes fluids in contact and with surface tension at their interface. We develop, analyze, and compare two approaches for space discretization, the Hybrid ...

    Special values of the triple product p-adic L-function 

    Gatti, Francesca (Date of defense: 2021-03-19)

    Let E be an elliptic curve defined over the field of rational numbers and let f be the corresponding newform of weight 2. Let g,h be two weight one newforms whose nebentype characters are mutually inverse. Let V be the ...

    Stable solutions of nonlinear fractional elliptic problems 

    Sanz Perela, Tomás (Date of defense: 2019-06-18)

    This thesis is devoted to study integro-differential equations. This type of equations constitutes nowadays a very active field of research which has important applications in modeling real-life phenomena where nonlocal ...

    Stratification theory of matrix pairs under equivalence and contragredient equivalence 

    Klymchuk, Tetiana (Date of defense: 2019-06-21)

    We develop the theory of perturbations of matrix pencils basing on their miniversal deformations. Several applications of this theory are given. All possible Kronecker pencils that are canonical forms of pencils in an ...

    A study of cortical network models with realistic connectivity 

    Vegué, Marina (Date of defense: 2018-03-23)

    Structure is fundamental in shaping the types of computations that neuronal circuits can perform. Explaining the laws that determine the connectivity properties of brain networks and their implications in neuronal dynamics ...

    The geometry and topology of steady Euler flows, integrability and singular geometric structures 

    Cardona Aguilar, Robert (Date of defense: 2021-05-26)

    In this thesis, we make a deep investigation of the geometry and dynamics of several objects (singular or not) appearing in nature. The main goal is to study rigidity versus flexibility dynamical behavior of the objects ...

    The role of hyperbolic invariant objects: From Arnold diffusion to biological clocks 

    Huguet Casades, Gemma (Date of defense: 2008-10-16)

    El marc d'aquesta tesi són els objectes invariants hiperbòlics (tors amb bigotis, cicles límit, NHIM,. . .), que constitueixen, per aquesta tesi, els objectes essencials per a l'estudi de diversos problemes des de la difusió ...

    A theoretical and computational study of soft adhesion mediated by mobile binders 

    Kaurin, Dimitri (Date of defense: 2018-10-29)

    We examine a classical problem in soft-matter physics: the specific adhesion between deformable elastic objects, such as vesicles, mediated by mobile adhesion molecules. This problem is relevant to cell-cell adhesion. To ...

    A theoretical and computational study of the mechanics of biomembranes at multiple scales 

    Torres-Sánchez, Alejandro (Date of defense: 2017-07-11)

    Lipid membranes are thin objects that form the main separation structure in cells. They have remarkable mechanical properties; while behaving as a solid shell against bending, they exhibit in-plane fluidity. These two ...

    Theory and computation of multiscale epithelial mechanics : from active gels to vertex models 

    Ouzeri, Adam Amine (Date of defense: 2023-06-14)

    (English) Epithelial monolayers perform a variety of mechanical functions, which include maintaining a cohesive barrier or developing 3D shapes, while undergoing stretches over a wide range of magnitudes and loading rates. ...

    Theta correspondences and arithmetic intersections 

    Gutiérrez Terradillos, Armando (Date of defense: 2023-05-26)

    (English) The thesis is mainly divided into two parts. In essence, the first one is an extension of the paper [Ter22]. Using the regularized Siege-Weil formula of [GQT14] we obtain an explicit expression for the truncated ...

    Theta-duality in abelian varieties and the bicanonical map of irregular varieties 

    Lahoz Vilalta, Marti (Date of defense: 2010-05-18)

    The first goal of this Thesis is to contribute to the study of principally polarized abelian varieties (ppav), especially to the Schottky and the Torelli problems. Ppav admit a duality theory analogous to that of projective ...