Now showing items 161-180 of 1007

    Special values of triple-product -adic L-functions and non-crystalline diagonal classes 

    Gatti, Francesca; Guitart Morales, Xavier; Masdeu Sabaté, Marc; Rotger, Victor (Publication date: 2023-09-21)

    The main purpose of this note is to understand the arithmetic encoded in the special value of the $p$-adic $L$-function $E_p^g$ (f, $\left.\mathbf{g}, \mathbf{h}\right)$ associated to a triple of modular forms $(f, g, h)$ ...

    Delay Equations with Non-negativity Constraints Driven by a Hölder Continuous Function of Order $\beta \in\left(\frac{1}{3}, \frac{1}{2}\right)$ 

    Besalú, Mireia; Márquez, David (Márquez Carreras); Rovira Escofet, Carles (Publication date: 2024-11-18)

    In this note we prove an existence and uniqueness result of solution for multidimensional delay differential equations with normal reflection and driven by a Hölder continuous function of order $\beta \in\left(\frac{1}{3}, ...

    The differentiable chain functor is not homotopy equivalent to the continuous chain functor 

    Guillén Santos, Francisco; Navarro, Vicenç (Navarro Aznar); Pascual Gainza, Pere; Roig, Agustí (Publication date: 2013-04-12)

    Let $S_*$ and $S_*^\{infty}$ be the functors of continuous and differentiable singular chains on the category of differentiable manifolds. We prove that the natural transformation $i: S_*^\infty \rightarrow S_*$, which ...

    Dynamic changes in microvascular flow conductivity and perfusion after myocardial infarction shown by image-based modeling 

    Gkontra, Polyxeni; El‐Bouri, Wahbi K.; Norton, Kerri‐Ann; Santos, Andrés; Popel, Aleksander S.; Payne, Stephen J.; García Arroyo, Alicia (Publication date: 2023-03-03)

    Background Microcirculation is a decisive factor in tissue reperfusion inadequacy following myocardial infarction (MI). Nonetheless, experimental assessment of blood flow in microcirculation remains a bottleneck. We sought ...

    Modular abelian varieties over number fields 

    Guitart Morales, Xavier; Quer Bosor, Jordi (Publication date: 2024-02-28)

    The main result of this paper is a characterization of the abelian varieties $B / K$ defined over Galois number fields with the property that the $L$-function $L(B / K ; s)$ is a product of $L$-functions of non-CM newforms ...

    A Conceptual Probabilistic Framework for Annotation Aggregation of Citizen Science Data 

    Cerquides Bueno, Jesús; Mülâyim, Mehmet Oguz; Hernández-González, Jerónimo; Shankar, Amudha Ravi; Fernández Márquez, Jose Luis (Publication date: 2021-04-22)

    Over the last decade, hundreds of thousands of volunteers have contributed to science by collecting or analyzing data. This public participation in science, also known as citizen science, has contributed to significant ...

    Mitigating annotation shift in cancer classification using single image generative models 

    Buetas Arcas, Marta; Osuala, Richard; Lekadir, Karim, 1977-; Díaz, Oliver (Publication date: 2025-03-25)

    Artificial Intelligence (AI) has emerged as a valuable tool for assisting radiologists in breast cancer detection and diagnosis. However, the success of AI applications in this domain is restricted by the quantity and ...

    Chern degree functions 

    Lahoz Vilalta, Martí; Rojas, Andrés (Publication date: 2023-03-02)

    We introduce Chern degree functions for complexes of coherent sheaves on a polarized surface, which encode information given by stability conditions on the boundary of the $(\alpha, \beta)$-plane. We prove that these ...

    On the Galois correspondence theorem in separable Hopf Galois theory 

    Crespo Vicente, Teresa; Rio, Anna; Vela del Olmo, Ma. Montserrat (Publication date: 2019-04-26)

    In this paper we present a reformulation of the Galois correspondence theorem of Hopf Galois theory in terms of groups carrying farther the description of Greither and Pareigis. We prove that the class of Hopf Galois ...

    Organ Segmentation in Poultry Viscera Using RGB-D 

    Philipsen, Mark Philip; Velling Dueholm, Jacob; Jørgensen, Anders; Escalera Guerrero, Sergio; Moeslund, Thomas Baltzer (Publication date: 2018-06-14)

    We present a pattern recognition framework for semantic segmentation of visual structures, that is, multi-class labelling at pixel level, and apply it to the task of segmenting organs in the eviscerated viscera from ...

    When we talk about older people in HCI, who are we talking about? Towards a 'turn to community' in the design of technologies for a growing ageing population 

    Righi, Valeria; Sayago Barrantes, Sergio; Blat, Josep (Publication date: 2017-08-29)

    This paper addresses a number of challenges HCI designers and researchers deal with when designing digital technologies for older people. We conducted a 5-year research-through-design study, which combined ethnography, ...

    Graded algebra automorphisms 

    Vela del Olmo, Ma. Montserrat (Publication date: 2011-03-08)

    We consider the Clifford algebra C(q) of a regular quadratic space (V, q) over a field K with its structure of Z/2Z-graded K-algebra. We give a characterization of the group of graded automorphisms of C(q). In the last ...

    Natural formations at the Earth Moon triangular point in perturbed restricted problems 

    Salazar, Francisco Javier T.; Winter, Othon Cabo; Macau, Elbert Einstein Nehrer; Masdemont Soler, Josep; Gómez Muntané, Gerardo (Publication date: 2020-06-17)

    Previous studies for small formation flying dynamics about triangular libration points have determined the existence of regions of zero and minimum relative radial acceleration with respect to the nominal trajectory, that ...

    Generic Feature Learning for Wireless Capsule Endoscopy Analysis 

    Seguí Mesquida, Santi; Drozdzal, Michal; Pascual i Guinovart, Guillem; Radeva, Petia; Malagelada Prats, Carolina; Azpiroz, Fernando; Vitrià i Marca, Jordi (Publication date: 2023-01-31)

    The interpretation and analysis of wireless capsule endoscopy (WCE) recordings is a complex task which requires sophisticated computer aided decision (CAD) systems to help physicians with video screening and, finally, with ...

    El polinomio de Poincaré-Hodge de un producto simétrico de variedades Kählerianas compactas 

    Burillo, Josep (Publication date: 2011-03-08)

    In this paper we compute the Poincaré-Hodge polynomial of a symmetric product of a compact kähler manifold, following the method used by Macdonald, in the topological case, to compute, the Poincaré polynomial of a compact ...

    L'assignació de metadades a llibres digitals en el format EPUB3. Primera part. Les metadades en les especificacions de l'EPUB3 

    Centelles Velilla, Miquel; Ribera, Mireia (Publication date: 2017-07-04)

    Objectius: descriure els mecanismes i la funció de les metadades internes i descriptives en el format EPUB3 segons els estàndards vigents i les bones pràctiques difoses per la indústria editorial, i identificar un conjunt ...

    Reversible perturbations of conservative Henon-like maps 

    Gonchenko, Marina; Gonchenko, Sergey V.; Safonov, Klim A. (Publication date: 2023-03-01)

    For area-preserving Hénon-like maps and their compositions, we consider smooth perturbations that keep the reversibility of the initial maps but destroy their conservativity. For constructing such perturbations, we use two ...

    Chaotic Kabanov formula for the Azéma martingales 

    Privault, Nicolas; Solé, Josep Lluís; Vives i Santa Eulàlia, Josep, 1963- (Publication date: 2012-04-10)

    We derive the chaotic expansion of the product of nth- and first-order multiple stochastic integrals with respect to certain normal martingales. This is done by application of the classical and quantum product formulae for ...

    Multi-Centre, Multi-Vendor and Multi-Disease Cardiac Segmentation: The M&Ms Challenge 

    Campello, Víctor Manuel; Gkontra, Polyxeni; Izquierdo, Cristián; Martin-Isla, Carlos; Sojoudi, Alireza; Full, Peter M.; Maier-Hein, Klaus; Zhang, Yao; He, Zhiqiang; Ma, Jun; Parreño, Mario; Albiol, Alberto; Kong, Fanwei; Shadden, Shawn C.; Acero Corral, Jorge; Sundaresan, Vaanathi; Saber, Mina; Elattar, Mustafa; Li, Hongwei; Menze, Bjoern; Khader, Firas; Haarburger, Christoph; Scannell, Cian M.; Veta, Mitko; Carscadden, Adam; Punithakumar, Kumaradevan; Liu, Xiao; Tsaftaris, Sotirios A.; Huang, Xiaoqiong; Yang, Xin; Li, Lei; Zhuang, Xiahai; Viladés, David; Descalzo, Martín L.; Guala, Andrea; La Mura, Lucía; Friedrich, Matthias G.; Escalera Guerrero, Sergio; Seguí Mesquida, Santi; Lekadir, Karim, 1977- (Publication date: 2022-03-11)

    The emergence of deep learning has considerably advanced the state-of-the-art in cardiac magnetic resonance (CMR) segmentation. Many techniques have been proposed over the last few years, bringing the accuracy of automated ...

    Differential Replication for Credit Scoring in Regulated Environments 

    Unceta, Irene; Nin, Jordi; Pujol Vila, Oriol (Publication date: 2021-10-14)

    Differential replication is a method to adapt existing machine learning solutions to the demands of highly regulated environments by reusing knowledge from one generation to the next. Copying is a technique that allows ...