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Háskólinn í Reykjavík: Recent submissions
Now showing items 1-20 of 319
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(Elsevier BV, 2022-06)In the authors' previous analysis of the calling paradigms call-by-name and call-by-value through Girard's and Gödel's embeddings into the S4 modal logic, an asymmetry remains: the two paradigms are unified by the call-by-box paradigm of the modal ... -
(ACM, 2023-10-22)Cellular automata are an archetypical comonadic notion of computation in that computation happens in the coKleisli category of a comonad. In this paper, we show that they can also be viewed as graded comonadic—a perspective that turns out to be both ...
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(Institute of Electrical and Electronics Engineers (IEEE), 2024)Molecular dynamics simulations, with full Coulomb interaction, are used to model short-pulse photoemission from a finite area in a microdiode. We demonstrate three emission regimes, source-limited emission, space-charge-limited emission for short pulses, ...
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Decision aids to assist Icelandic men with PSA testing and prostate cancer treatment decision-making (2023-09)Prostate cancer (PC) is the second most common cancer among men globally and the most common cancer among Icelandic men. Early detection of PC is possible with a prostate-specific antigen (PSA) test. Before making a decision about PSA testing and before ...
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(IEEE, 2022-10-12)We report on germanium coated silicon nanowires structures synthesized with metal assisted chemical etching and qualify their functionality as human respiratory sensor. The sensors were made from p-type single-crystalline (100) silicon wafers using a ...
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(2022-12)Concussion symptoms are complex. They are non-specific to a concussion, and there is no gold standard for diagnosis and evaluation. For most, symptoms will resolve in days or weeks following a concussion. However, symptoms can become more serious, ...
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(2024-02)Contingent Convertible (CoCo) bonds represent a novel category of debt financial instruments, recently introduced into the financial landscape. Their primary role is to bolster financial stability by maintaining healthy capital levels for the issuing ...
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(2023-01)The overall aim of this thesis is to investigate decision usefulness of financial accounting information and compliance with financial accounting standards. This thesis builds on three complementary studies, which explore the decision usefulness of ...
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(2023-10)Experience Management employs Artificial Intelligence technologies to enhance people's interactive application experiences by dynamically modifying the environment during the experience. In game-related research, there is a prevailing trend where each ...
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(2023-04-17)In this dissertation, we calculate the electronic charge and heat transport generated by a temperature gradient and a chemical potential bias in tubular semiconductor nanowires, in the presence of a magnetic field. We use the Landauer-Büttiker approach ...
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(2023-06)Crowd simulation focuses on modeling the movements and behaviors of large groups of people. This area of study has become increasingly important because of its several applications in various fields such as urban planning, safety, and entertainment. ...
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(2023-04-28)Magnetoresistance oscillations, also known as Shubnikov-de Haas (SdH) oscil- lations, is a well-known phenomena that results from the quantization of electron orbits in the presence of a magnetic field. These oscillations have been extensively studied ...
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(2023-06-17)Due to changing global circumstances in recent years, Iceland has experienced a sharp increase in forced migrant children, youth, and families seeking refuge. The aim of this doctoral thesis was to examine the migration experience of children and youth ...
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(2023-05-22)For machine translation (MT) systems to produce accurate and fluent translations, reliable parallel corpora are key. Errors, due to misalignments or inadequate filtering during compilation of a parallel corpus, can have detrimental effects on the ...
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(2023-03-31)Nanostructures made from crystalline silicon, especially in the form of nanowires (SiNWs), have shown great potential as pressure sensors due to their unique properties such as high sensitivity, small size, and low power consumption. When a force ...
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(2023-06-17)The trends afoot for miniaturization of high-frequency electronic devices require integration of active and passive high-frequency circuit elements within a single system. This high level of accomplishment not only calls for a cutting-edge integration ...
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(2023-03)Machine Learning (ML) is extensively used in diverse healthcare applications to aid physicians in diagnosing and identifying associations, sometimes hidden, between dif- ferent biomedical parameters. This PhD thesis investigates the interplay of ...
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(Reykjavik University, 2022-05-13)The recent advances in the development of coding metasurfaces created new opportunities to elevate the stealthiness of combat aircrafts. Metasurfaces, composed of optimized geometries of meta-atoms arranged as periodic lattices, are devised to obtain ...
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(2023-01)Numerical simulations done at the Nanophysics Center at Reykjavík University indicate that under constant illumination from a sufficiently energetic monochromatic light source, a space-charge limited photoemission can cause current modulation in a ...
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Piezoresistance characterization of silicon nanowires in uniaxial and isostatic pressure variation (MDPI AG, 2022-08-23)Silicon nanowires (SiNWs) are known to exhibit a large piezoresistance (PZR) effect, making them suitable for various sensing applications. Here, we report the results of a PZR investigation on randomly distributed and interconnected vertical silicon ...
Now showing items 1-20 of 319