Search results for "tort"
showing 10 items of 734 documents
Mappings of finite distortion: Capacity and modulus inequalities
2006
We establish capacity and modulus inequalities for mappings of finite distortion under minimal regularity assumptions.
Urbanismo en la Marca Oriental de al-Andalus durante el Califato (940-974) : el ejemplo de madina Turtusa a través de las fuentes arqueológicas y esc…
2021
En este texto presentaremos las principales reformas que en la ciudad de ?ur??sa y su entorno mas inmediato se llevaron a cabo durante las decadas centrales del siglo X. Entendemos que el periodo comprendido entre los anos 940 y 974 supusieron un lapso de relativa estabilidad a ambos lados de la frontera entre al-Andalus y los condados catalanes. Es durante este momento cuando situamos una especialmente remarcable actividad por parte del Estado, a traves de los gobernadores de la ciudad, de refuerzo de las estructuras defensivas y arquitectonicas dentro del ambito urbano y periurbano. Analizaremos los casos de las murallas o el arsenal a nivel militar y la mezquita aljama o los banos en cua…
The Quaternary fossil record of the genus Testudo in the Iberian Peninsula. Archaeological implications and diachronic distribution in the western Me…
2009
This paper explores the presence of tortoise remains and its meaning in Palaeolithic archaeological contexts. We focus on two topics: (1) the presence or absence of the genus Testudo from the Early Pleistocene to the Holocene in SW Europe; and (2) the relationship between Testudo and the palaeoclimatic and palaeoenvironmental conditions diachronically. In order to address this objective, we collected published and unpublished data from different sites on the eastern Iberian Peninsula. The results obtained by this study demonstrate that Testudo hermanni was the only tortoise present in this area until recent times and its presence in archaeological sites is almost always related to anthropic…
Feasibility of hyperspectral vegetation indices for the detection of chlorophyll concentration in three high Arctic plants: Salix polaris, Bistorta v…
2018
Remote sensing, which is based on a reflected electromagnetic spectrum, offers a wide range of research methods. It allows for the identification of plant properties, e.g., chlorophyll, but a registered signal not only comes from green parts but also from dry shoots, soil, and other objects located next to the plants. It is, thus, important to identify the most applicable remote-acquired indices for chlorophyll detection in polar regions, which play a primary role in global monitoring systems but consist of areas with high and low accessibility. This study focuses on an analysis of in situ-acquired hyperspectral properties, which was verified by simultaneously measuring the chlorophyll conc…
Demand Sharing Inaccuracies in Supply Chains: A Simulation Study
2018
We investigate two main sources of information inaccuracies (i.e., errors and delays) in demand information sharing along the supply chain (SC). Firstly, we perform a systematic literature review on inaccuracy in demand information sharing and its impact on supply chain dynamics. Secondly, we model several SC settings using system dynamics and assess the impact of such information inaccuracies on SC performance. More specifically, we study the impact of four factors (i.e., demand error, demand delay, demand variability, and average lead times) using three SC dynamic performance indicators (i.e., bullwhip effect, inventory variability, and average inventory). The results suggest that demand …
OmniFlowNet: a Perspective Neural Network Adaptation for Optical Flow Estimation in Omnidirectional Images
2021
International audience; Spherical cameras and the latest image processing techniques open up new horizons. In particular, methods based on Convolutional Neural Networks (CNNs) now give excellent results for optical flow estimation on perspective images. However, these approaches are highly dependent on their architectures and training datasets. This paper proposes to benefit from years of improvement in perspective images optical flow estimation and to apply it to omnidirectional ones without training on new datasets. Our network, OmniFlowNet, is built on a CNN specialized in perspective images. Its convolution operation is adapted to be consistent with the equirectangular projection. Teste…
Coupled dark matter-dark energy in light of near Universe observations
2010
Cosmological analysis based on currently available observations are unable to rule out a sizeable coupling among the dark energy and dark matter fluids. We explore a variety of coupled dark matter-dark energy models, which satisfy cosmic microwave background constraints, in light of low redshift and near universe observations. We illustrate the phenomenology of different classes of dark coupling models, paying particular attention in distinguishing between effects that appear only on the expansion history and those that appear in the growth of structure. We find that while a broad class of dark coupling models are effectively models where general relativity (GR) is modified - and thus can b…
The photophysics of distorted nanographenes: Ultra-slow relaxation dynamics, memory effects, and delayed fluorescence
2023
The controlled deformation and engineering of the sp2 carbon network in atomically-precise nanographenes, and their substantially larger size as compared to typical optical dyes, opens new opportunities for the modulation of optical and electronic properties, but the peculiar photophysics of these systems is still poorly understood. Here, through a detailed comparative study of two well-defined distorted nanographenes, we show that they can exhibit interesting photophysical features, such as triplet-triplet annihilation delayed fluorescence, ultra-slow excited state dynamics, and excitation-wavelength memory effects on the nanosecond and sub-nanosecond relaxation cascades. Some of these beh…
Attēlu kvalitātes izvērtējums atbilstoši pielietotajiem protokoliem datortomogrāfijas urogrāfijā
2017
Bakalaura darba tēma: „Attēlu kvalitātes izvērtējums atbilstoši pielietotajiem protokoliem datortomogrāfijas urogrāfijā”. Bakalaura darba mērķis – izvērtēt attēlu kvalitātes kritērijus atbilstoši pielietotajiem protokoliem datortomogrāfijas urogrāfijā. Pētījums tika veikts vienā no Latvijas ārstniecības iestādes diagnostiskās radioloģijas nodaļām. Darbs veikts kā kvalitatīvā pētniecība, pētniecības veids datortomogrāfijas izmeklējuma attēlu analīze. Pirmā daļa veido darba teorētisko daļu, kurā autore pamato darba aktualitāti par attēlu kvalitātes kritērijiem datortomogrāfijas urogrāfijā. Bakalaura darba izstrādes gaitā tiek analizēta zinātniskā literatūra par datortomogrāfijas urogrāfiju, a…
Doppler Estimation and Correction for JANUS Underwater Communications
2020
In recent years, underwater communications have seen a growing interest pushed by marine research, oceanography, marine commercial operations, offshore oil industry and defense applications. Generally, underwater communications employ audio signals which can propagate relatively far but are also significantly affected by Doppler distortions. In fact, physical properties of the water and spatial changes due to tides, currents and waves can cause channel variations or unwanted movements of the transmitter or receiver. This study shows how to compensate for the Doppler effect in transmission employing the JANUS standard, a popular modulation scheme for underwater communication. Differently for…