Relevant bibliographies by topics / Glitche

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Glitche'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 March 2023

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Journal articles on the topic "Glitche"

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Lisak-Gębala, Dobrawa. "Glitchem opętanie. Poetyka cyfrowych usterek w wierszach drukowanych." Sztuka Edycji 22, no. 2 (December 1, 2022): 65–74. http://dx.doi.org/10.12775/se.2022.00028.

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Glitch w obszarze mediów elektronicznych definiuje się jako nacięcie w powierzchni jednego systemu otwierające chwilowy wgląd w cyfrowe struktury zwykle ukryte głęboko. Obcy element widoczny na ekranie z powodu samorodnych błędów w działaniu komputerów lub oprogramowania często jest interpretowany w perspektywie posthumanizmu. Ten sposób myślenia wpływa na funkcjonowanie digitalnych defektów, które są świadomie wykorzystywane w ramach glitch poetry, także tej wydrukowanej na papierze, która wiąże się z fenomenem remediacji wstecznej. Przykładami takich utworów w ramach artykułu stają się w zdecydowanej większości ogłaszane drukiem wiersze neolingwistów warszawskich oraz papierowe wydania tomów Rozdzielczości Chleba. Wspomniani autorzy w swych manifestach diagnozowali radykalną zmianę paradygmatu twórczości na nowomedialną. Podkreślali potrzebę otwarcia się poetów na współprodukcję tekstów przez podłączone do internetu komputery, które podsuwają glitche, niechciane maile i reklamy. Głosili oni jednocześnie kres książki drukowanej kojarzonej w manifestach z postromantycznym modelem wiersza jako subiektywnego monologu. Analogowa poezja usterkowa mająca uwypuklić konflikt tych dwóch paradygmatów przybiera często formę postcyfrowych książek artystycznych, które ze względu na dominację graficznych efektów nad zrozumiałym dla człowieka tekstem stają się XXI-wieczną wersją ezoterycznego abstrakcjonizmu. Glitch poetry może też funkcjonować jako z pozoru tradycyjny czarny tekst wydrukowany na białej stronicy, łączący jednak zrozumiałe słowa i zdania z antyfonetycznymi usterkami cyfrowymi wyrażonymi znakami nieliterowymi.
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Millhouse, M., A. Melatos, G. Howitt, J. B. Carlin, L. Dunn, and G. Ashton. "An updated glitch rate law inferred from radio pulsars." Monthly Notices of the Royal Astronomical Society 511, no. 3 (January 29, 2022): 3304–19. http://dx.doi.org/10.1093/mnras/stac194.

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ABSTRACT Radio pulsar glitches probe far-from-equilibrium processes involving stress accumulation and relaxation in neutron star interiors. Previous studies of glitch rates have focused on individual pulsars with as many recorded glitches as possible. In this work, we analyse glitch rates using all available data including objects that have glitched never or once. We assume the glitch rate follows a homogeneous Poisson process, and therefore exclude pulsars that exhibit quasiperiodic glitching behaviour. Calculating relevant Bayes factors shows that a model in which the glitch rate λ scales as a power of the characteristic age τ is preferred over models that depend arbitrarily on powers of the spin frequency ν and/or its time derivative $\dot{\nu }$. For λ = A(τ/τref)−γ, where τref = 1 yr is a reference time, the posterior distributions are unimodal with $A=0.0066_{-0.002}^{+0.003}\ \rm {yr}^{-1}$ and $\gamma =0.27_{-0.03}^{+0.03}$. Importantly, the data exclude with 99 per cent confidence the possibility γ = 1 canvassed in the literature. When objects with zero-recorded glitches are included, the age-based rate law is still preferred and the posteriors change to give $A=0.0099_{-0.003}^{+0.004}\ \rm {yr}^{-1}$ and $\gamma =0.31_{-0.03}^{+0.03}$. The updated estimates still support increased glitch activity for younger pulsars, while demonstrating that the large number of objects with zero glitches contain important statistical information about the rate, provided that they are part of the same population as opposed to a disjoint population which never glitches for some unknown physical reason.
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Ho, Wynn C. G., Cristóbal M. Espinoza, Zaven Arzoumanian, Teruaki Enoto, Tsubasa Tamba, Danai Antonopoulou, Michał Bejger, Sebastien Guillot, Brynmor Haskell, and Paul S. Ray. "Return of the Big Glitcher: NICER timing and glitches of PSR J0537−6910." Monthly Notices of the Royal Astronomical Society 498, no. 4 (September 1, 2020): 4605–14. http://dx.doi.org/10.1093/mnras/staa2640.

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ABSTRACT PSR J0537−6910, also known as the Big Glitcher, is the most prolific glitching pulsar known, and its spin-induced pulsations are only detectable in X-ray. We present results from analysis of 2.7 yr of NICER timing observations, from 2017 August to 2020 April. We obtain a rotation phase-connected timing model for the entire time span, which overlaps with the third observing run of LIGO/Virgo, thus enabling the most sensitive gravitational wave searches of this potentially strong gravitational wave-emitting pulsar. We find that the short-term braking index between glitches decreases towards a value of 7 or lower at longer times since the preceding glitch. By combining NICER and RXTE data, we measure a long-term braking index n = −1.25 ± 0.01. Our analysis reveals eight new glitches, the first detected since 2011, near the end of RXTE, with a total NICER and RXTE glitch activity of $8.88\times 10^{-7}\, \mathrm{yr^{-1}}$. The new glitches follow the seemingly unique time-to-next-glitch–glitch-size correlation established previously using RXTE data, with a slope of $5\, \rm {d} \, \mu \mathrm{Hz}^{-1}$. For one glitch around which NICER observes 2 d on either side, we search for but do not see clear evidence of spectral nor pulse profile changes that may be associated with the glitch.
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Basu, A., B. Shaw, D. Antonopoulou, M. J. Keith, A. G. Lyne, M. B. Mickaliger, B. W. Stappers, P. Weltevrede, and C. A. Jordan. "The Jodrell bank glitch catalogue: 106 new rotational glitches in 70 pulsars." Monthly Notices of the Royal Astronomical Society 510, no. 3 (November 25, 2021): 4049–62. http://dx.doi.org/10.1093/mnras/stab3336.

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ABSTRACT Pulsar glitches are rapid spin-up events that occur in the rotation of neutron stars, providing a valuable probe into the physics of the interiors of these objects. Long-term monitoring of a large number of pulsars facilitates the detection of glitches and the robust measurements of their parameters. The Jodrell Bank pulsar timing programme regularly monitors more than 800 radio pulsars and has accrued, in some cases, over 50 yr of timing history on individual objects. In this paper, we present 106 new glitches in 70 radio pulsars as observed up to the end of 2018. For 70 per cent of these pulsars, the event we report is its only known glitch. For each new glitch, we provide measurements of its epoch, amplitude, and any detected changes to the spin-down rate of the star. Combining these new glitches with those listed in the Jodrell Bank glitch catalogue, we analyse a total sample of 543 glitches in 178 pulsars. We model the distribution of glitch amplitudes and spin-down rate changes using a mixture of two Gaussian components. We corroborate the known dependence of glitch rate and activity on pulsar spin-down rates and characteristic ages, and show that younger pulsars tend to exhibit larger glitches. Pulsars with spin-down rates between 10−14 and 10−10.5 Hz s−1 show a mean reversal of 1.8 per cent of their spin-down as a consequence of glitches. Our results are qualitatively consistent with the superfluid vortex unpinning models of pulsar glitches.
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Manchester, R. N. "Pulsar Glitches." Proceedings of the International Astronomical Union 13, S337 (September 2017): 197–202. http://dx.doi.org/10.1017/s1743921317009607.

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AbstractThe first known pulsar glitch was discovered in the Vela pulsar at both Parkes and Goldstone in March 1969. Since then the number of known glitches has grown enormously, with more than 520 glitches now known in more than 180 pulsars. Details of glitch parameters and post-glitch recoveries are described and some implications for the physics of neutron stars are discussed.
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Wang, Na, R. N. Manchester, R. Pace, M. Bailes, V. M. Kaspi, B. W. Stappers, and A. G. Lyne. "Glitches in Southern Pulsars." International Astronomical Union Colloquium 177 (2000): 109–10. http://dx.doi.org/10.1017/s0252921100059194.

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AbstractParkes timing observations of 31 mostly young pulsars over nearly nine years are described. A total of 29 glitches were detected, of which 19 are previously unreported. Twelve glitches were seen in PSR J1341–6220, making this the most frequently glitching pulsar known, and the largest known glitch was detected in PSR J1614–5047. Distributions of glitch parameters were investigated.
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Fuentes, J. R., C. M. Espinoza, and A. Reisenegger. "Glitch time series and size distributions in eight prolific pulsars." Astronomy & Astrophysics 630 (October 2019): A115. http://dx.doi.org/10.1051/0004-6361/201935939.

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Context. Glitches are rare spin-up events that punctuate the smooth slow-down of the rotation of pulsars. For the Vela pulsar and PSR J0537−6910, their large glitch sizes and the times between consecutive events have clear preferred scales (Gaussian distributions), contrary to the handful of other pulsars with enough glitches for such a study. Moreover, PSR J0537−6910 is the only pulsar that shows a strong positive correlation between the size of each glitch and the waiting time until the following one. Aims. We attempt to understand this behaviour through a detailed study of the distributions and correlations of glitch properties for the eight pulsars with at least ten detected glitches. Methods. We modelled the distributions of glitch sizes and of the times between consecutive glitches for the eight pulsars with at least ten detected events. We also looked for possible correlations between these parameters and used Monte Carlo simulations to explore two hypotheses that could explain why the correlation so clearly seen in PSR J0537−6910 is absent in other pulsars. Results. We confirm the above results for Vela and PSR J0537−6910, and verify that the latter is the only pulsar with a strong correlation between glitch size and waiting time to the following glitch. For the remaining six pulsars, the waiting time distributions are best fitted by exponentials, and the size distributions are best fitted by either power laws, exponentials, or log-normal functions. Some pulsars in the sample yield significant Pearson and Spearman coefficients (rp and rs) for the aforementioned correlation, confirming previous results. Moreover, for all except the Crab pulsar, both coefficients are positive. For each coefficient taken separately, the probability of this happening is 1/16. Our simulations show that the weaker correlations in pulsars other than PSR J0537−6910 cannot be due to missing glitches that are too small to be detected. We also tested the hypothesis that each pulsar may have two kinds of glitches, namely large, correlated ones and small, uncorrelated ones. The best results are obtained for the Vela pulsar, which exhibits a correlation with rp = 0.68 (p-value = 0.003) if its two smallest glitches are removed. The other pulsars are harder to accommodate under this hypothesis, but their glitches are not consistent with a pure uncorrelated population either. We also find that all pulsars in our sample, except the Crab pulsar, are consistent with the previously found constant ratio between glitch activity and spin-down rate, ν̇g/|ν̇| = 0.010±0.001, even though some of them have not shown any large glitches. Conclusions. To explain these results, we speculate except in the case of the Crab pulsar, that all glitches draw their angular momentum from a common reservoir (presumably a neutron superfluid component containing ≈1% of the star’s moment of inertia). However, two different trigger mechanisms could be active, a more deterministic one for larger glitches and a more random one for smaller ones.
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Carlin, J. B., and A. Melatos. "Long-term statistics of pulsar glitches triggered by a Brownian stress accumulation process." Monthly Notices of the Royal Astronomical Society 494, no. 3 (April 8, 2020): 3383–91. http://dx.doi.org/10.1093/mnras/staa935.

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ABSTRACT A microphysics-agnostic meta-model of rotational glitches in rotation-powered pulsars is developed, wherein the globally averaged internal stress accumulates as a Brownian process between glitches, and a glitch is triggered once a critical threshold is surmounted. Precise, falsifiable predictions are made regarding long-term event statistics in individual pulsars. For example, the Spearman cross-correlation coefficient between the size of a glitch and the waiting time until the next glitch should exceed 0.25 in all pulsars. Among the six pulsars with the most recorded glitches, PSR J0537−6910 and PSR J0835−4510 are consistent with the predictions of the meta-model, while PSR J1740−3015 and PSR J0631+1036 are not. PSR J0534+2200 and PSR J1341−6220 are only consistent with the meta-model, if there exists an undetected population of small glitches with small waiting times, which we do not resolve. The results are compared with a state-dependent Poisson process, another microphysics-agnostic meta-model in the literature. The results are also applied briefly to recent pulse-to-pulse observations of PSRJ0835−4510, which appear to reveal evidence for a negative fluctuation in rotation frequency just prior to the 2016 glitch.
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Gügercinoğlu, Erbil, and M. Ali Alpar. "The largest Crab glitch and the vortex creep model." Monthly Notices of the Royal Astronomical Society 488, no. 2 (July 4, 2019): 2275–82. http://dx.doi.org/10.1093/mnras/stz1831.

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Abstract The Crab pulsar displayed its largest glitch on 2017 November. An extended initial spin-up phase of this largest glitch was resolved, for the first time with high cadence of observations both in radio and X-rays on a time-scale of 2 d. A combination of crustquake and vortex unpinning models is invoked to account for the extended spin-up, magnitude, and post-glitch relaxation characteristics of this glitch. We evaluate the extended spin-up followed by the familiar spin-down as due to the creep response to the initial induced inward motion of some vortex lines pinned to broken crustal plates moving inward towards the rotation axis, together with the common and familiar post-glitch creep response to the sudden outward motion of vortices unpinned at the glitch. Our analysis confirms that the number of unpinned vortices participating in glitches are similar in all Crab glitches, and within an order of magnitude in all glitches from all pulsars. This typical number of unpinned vortices is related to the broken plate size in quakes as triggers for vortex unpinning avalanches. The physical determinant of this universal broken plate size is in turn the critical strain angle in the neutron star crust. Occurrence of this largest Crab glitch after a relatively long inactive period is consistent with accumulation of the pinned vorticity to be tapped.
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Wang, N. "Pulsar glitches detected at Urumqi." Proceedings of the International Astronomical Union 5, H15 (November 2009): 228. http://dx.doi.org/10.1017/s174392131000894x.

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Dissertations / Theses on the topic "Glitche"

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Antonelli, M. "MODELLING SUPERFLUID NEUTRON STARS APPLICATIONS TO PULSAR GLITCHES." Doctoral thesis, Università degli Studi di Milano, 2018. http://hdl.handle.net/2434/544419.

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In this dissertation I discuss how observations of the maximum glitch occurred in a certain pulsar provides a test for the microscopic physics of neutron star interiors, in particular the pinning forces (a parameter which effectively describes the strength of the vortex-lattice interaction at the mesoscopic scale). Conversely, by fixing the input parameters by taking estimates from recent literature, it is possible to estimate the mass of a glitching pulsar. A proof of concept of this thesis is given by constructing a quantitative model for pulsar rotational dynamics that can consistently encode state of the art models of the pinning force between vortices and ions in the crust, as well as the stratified structure of a neutron star. This point is far from being secondary as most studies on pulsar glitches are based on body-averaged models or differential models that tacitly assume a cylindrical symmetry, not consistent with the spherically layered structure.
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Zussa, Loic. "Étude des techniques d'injection de fautes par violation de contraintes temporelles permettant la cryptanalyse physique de circuits sécurisés." Thesis, Saint-Etienne, EMSE, 2014. http://www.theses.fr/2014EMSE0757/document.

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Si un algorithme cryptographique peut être mathématiquement sûr, son implémentation matérielle quant à elle est souvent la cible de nombreuses attaques. Cette thèse porte sur l'étude des mécanismes d'injection de fautes pouvant permettre une cryptanalyse physique des circuits sécurisés et sur la conception de contre-mesures matérielles pour empêcher ces attaques.Dans un premier temps une mise en pratique d'injection de fautes sur une implémentation matérielle de l'AES a été menée à l'aide d'attaques physiques : variations statiques et dynamiques de la tension, de la fréquence, de la température et de l'environnement électromagnétique. La comparaison des fautes injectées nous a permis de conclure que ces différentes attaques partagent un mécanisme d'injection identique : la violation de contraintes temporelles.La conception et l'implémentation d'un voltmètre intégré nous a permis d'observer les perturbations internes dues aux attaques par variations transitoires de la tension. Ces observations ont permis une meilleure compréhension du mécanisme d'injection de fautes associé et une amélioration de la précision temporelle de ces injections.Ensuite, un détecteur a été implémenté et son efficacité face à des attaques électromagnétiques a été étudiée. Du fait de la localité spatiale de ces attaques, la zone effectivement protégée par le détecteur est limitée. Une implémentation de plusieurs détecteurs a été suggérée.Enfin, un nouveau chemin d'attaque exploitant la sensibilité du détecteur a été proposé et validé expérimentalement
Even if a cryptographic algortihm could be mathematically secure, its physical implementation could be targeted by several attacks. This thesis focus on time-based fault injection mechanisms used for physical cryptanalysis of secure circuits.First, practical fault injections have been performed on a hardware AES implementation using non-invasive attacks : static and dynamic variations of the power supply voltage, frequency, temperature and electromagnetic environement. Then a comparison of these obtained faults led us to conclude that these different injection means share a common injection mecanism : timing constraints violations.An on-chip voltmeter has been designed and implemented to observe internal disturbences due to voltage glitchs. These observations led to a better understanding of the fault injection mecanism and to a better temporal accuracy.Then, a contermeasure has been designed and its effectiveness against electromagnetic attacks has been studied. Because of the electromagnetic pulses local effects, the aera effectively protected by the countermeasure is limited. The implementation of several countermeasures has been considered in order to extend the protected aera.Finally, a new attack path using the countermeasure detection threshold variations has been proposed and experimentaly validated. This attack exploit the electrical coupling between the AES and the coutnermeasure. Because of this coupling the countermeasure sensitivity variations are related to data handled by the AES
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Oliveira, Robert Anthony do Amaral. "Glitch music." Universidade Federal de Juiz de Fora (UFJF), 2016. https://repositorio.ufjf.br/jspui/handle/ufjf/2340.

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Este trabalho traz questões relacionadas com a glitch music, gênero ligado à estética do erro que surgiu na década de 1990. Divido em dois pontos: no primeiro, a pesquisa parte de definições iniciais sobre o glitch e a glitch music, buscando delinear um contexto geral que o gênero se desenvolveu. Levantamos também questões conceituais sobre o “erro”, procurando apontar o uso do erro como estética na música. No segundo, mostramos três perspectivas de abordagens distintas do glitch em três compositores diferentes: Yasunao Tone, Oval e Alva Noto. Por último, o trabalho busca abrir novas discussões a respeito do que é o gênero glitch music e o que ele engloba.
This work brings questions related to glitch music, genre linked with the aesthetic of failure that arose in the 1990's. It is divided in two parts. In the first part, the research starts with definitions about glitch and glitch music, trying to outline a general context that the genre has developed. We also bring conceptual questions about "failure" trying to point out the use of error as an aesthetic in music. In the second part, we show three perspectives of different approaches of glitch in three different composers: Yasunao Tone, Oval and Alva Noto. Lastly, this work intends to open new discussions concerning what glitch music genre is, and what it includes.
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Jackson, Rebecca. "The Glitch Aesthetic." Digital Archive @ GSU, 2011. http://digitalarchive.gsu.edu/communication_theses/80.

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The miscommunication between sender and receiver during transcoding indexes specific historical moments similarly to analog film's indexical trace. Iconography and glitch art begin to establish glitch's deictic index. The glitch aesthetic exposes societal paranoia by illustrating dependence on the digital and fear of system failure. With the advent of video sharing sites like Youtube and popular cyberfilms, the glitch aesthetic has evolved into a pop culture artifact.
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Idström, Victoria. "Konkret, abstrakt, glitch." Thesis, Blekinge Tekniska Högskola, Institutionen för teknik och estetik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-16563.

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Detta kandidatarbete har som syfte att belysa rollen som glitch kan spela i skapande. Jag ställer mig frågan vad som händer när vi för in ett medvetet brott i en kreativ handling, hur vi behandlar det vi uppfattar som fel eller misstag, och vad som kan hända när vi utforskar det som blivit förkastat som trasigt och obsolet. Dessa frågor har uppstått dels ur en nyfikenhet för det okända och ett ständigt sökande efter nya uttrycksformer, men även ur kritik. Den teknologiska utvecklingen min generation befinner sig i för oss allt hastigare framåt, och jag ifrågasätter hur vi förhåller oss till värdet av medietekniska artefakter när konsumtionshetsen gör sig alltmer påmind. Genom att ägna mig åt studier av glitch och konstformer som uppstått därifrån, second hand och dess kultur samt mediearkeologi har jag bildat mig en grund att stå på som sedan lett mig genom mitt gestaltningsarbete. Med ett kritiskt förhållningssätt har jag använt mig av icke-konventionella metoder och program för att redigera och manipulera media, och reflekterat över resultaten med stöd av forskning och diskussion med andra människor. Jag har utforskat digital glitch i medieformer som jag under mina tre år av studier har bekantat mig med, men även vandrat över fysiska kretskort och undersökt vad som händer när ett konkret brott introduceras i deras förväntade flöde. Resultatet har blivit ett nytt förhållningssätt till utdaterad teknik, en ny vinkel att betrakta kreativitet och skapande från och förhoppningsvis en ökad respekt för vår fortsatta tekniska utveckling.
This bachelor thesis is intended to highlight the role that glitch can have in creation. I pose the question of what happens when we introduce a deliberate disruption in a creative act? How do we treat what we perceive as flaws and mistakes, and what can happen when we explore what has once been rejected as broken and obsolete? These questions have arisen partly from the curiosity about the unknown and a constant search for new forms of expression, but also from criticism. The technological development my generation is experiencing is moving us forward at an ever increasing pace, and it leaves me inquisitive about how we relate to the value of media artifacts when consumerism is becoming more and more prevalent. By studying glitches and their resulting art forms, second-hand and its culture, as well as media archeology, I have formed a foundation on which to base my work. With a critical approach, I have used non-conventional methods and programs to edit and manipulate media, and reflected upon the results supported by both research and discussion with other people. I have explored digital glitches in media that I've worked with during my three years of study, but also traversed physical circuit boards and investigated what happens when a break is introduced in their expected flow. The result is a new approach to outdated technology, a new angle from which to view creativity and creation, and​—​hopefully​—​a shift in respect for our continued technological development.
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Slimani, Mariem. "Contributions à la diminution de consommation des circuits numériques." Thesis, Paris, ENST, 2013. http://www.theses.fr/2013ENST0016/document.

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Ce travail de thèse traite différents aspects de la conception basse consommation. Tout d’abord, le concept du calcul réversible, considéré comme le premier essai pour un calcul sans dissipation, est présenté. Puis, je me suis intéressée aux dissipations des circuits complémentaires MOS puisque c’est la logique la plus couramment utilisée dans les circuits numériques. J’ai proposé deux approches pour réduire la consommation de ces circuits numériques. La première approche porte sur la réduction de la dissipation due aux glitchs. J’ai proposé une nouvelle méthode qui consiste à adapter les tensions de seuil des transistors pour assurer un filtrage optimal de ces glitchs. Les résultats de simulation montrent que nous obtenons jusqu’à16% de réduction des glitchs, ce qui représente une amélioration de 18% par rapport à l’état de l’art sur la base des circuits de référence ISCAS85. La deuxième approche porte sur la réduction de la dissipation obtenue en faisant fonctionner les transistors MOS en régime d’ inversion faible (sous-seuil). Les circuits fonctionnant dans ce régime représentent une solution idéale pour les applications ultra-basse-consommation. Par contre, l’une des préoccupations majeures est qu’ils sont plus sensibles aux dispersions des processus de fabrication, ce qui peut entraîner des problèmes de fiabilité. Je propose un modèle compact qui détermine le point d’énergie minimum de façon analytique, donc sans recourir à une simulation type SPICE, tout en étant suffisamment précise vis-à-vis de la variabilité(due à la dispersion). L’écart de résultat entre le modèle compact et un modèle SPICE complet est de 6%
This thesis focuses on different aspects of ”Low Energy Design”. First, reversible logic, as it is the first attempt for low energy computing, is briefly dis- cussed. Then, we focus on dynamic energy saving in the combinational part of CMOS circuits. We propose a new method to reduce glitches based on dual threshold voltage technique. Simulation results report more than 16% average glitch reduction. We also show that combining dual-threshold to gate-sizingtechnique is very interesting for glitch filtering as it brings up to 27 % energy savings. In the third part of this dissertation, we have been interested in sub-threshold operation where the minimum energy can be achieved using a reduced supply voltage. Sub-threshold operation has been an efficient solution for energy-constrained applications with low speed requirements. However, it is very sensitive to process variability which can impact the robustness and effective performance of the circuit. We propose a model valid in sub and near threshold regions in order to correctly estimate the circuit performance in a variability aware analysis. We provide an analytical solution for the optimum supply voltage that minimizes the total energy per operation while considering variability effects. Spice simulations matches the analytical result to within 6%
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Seveso, S. L. "ADVANCES IN MODELS OF PULSAR GLITCHES." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/255803.

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Neutron stars are surely one of the most interesting astronomical objects: in no other place of the observable universe, in fact, matter is so compressed that the density reaches and overcomes the nuclear saturation value. This is a so extreme condition that in no terrestrial laboratory we can directly reproduce it in order to study its properties. Neutron stars are therefore a very fascinating research field that can bring us to a deeper understanding of this exotic matter, by modeling the observations of peculiar phenomena related to these stars. This thesis is focused on the pulsar glitches, which are rapid jumps in the rotational velocity of the star. Shortly after the first glitches were observed it was suggested that they could be due to a superfluid component in the stellar interior that could store angular momentum thanks to the pinning interaction between superfluid vortexes and crustal lattice. This qualitative idea suggests that the problem must be faced by merging results which come from the microphysics point of view into a more macroscopic simulation. In this thesis we deal with the evaluation of the vortex--nuclei interaction from the mesoscopic point of view: we perform a realistic calculation of the pinning force per unit length for the inner crust of a neutron star. We find that this mesoscopic interaction is $\approx10^{15} \mbox{ dyn/cm}$, much smaller than previous calculations but still enough to explain glitches. A similar approach has been adopted also in the calculation of the pinning force in the core: if protons in the interior are in a type II superconducting state, an interaction between magnetic flux tubes and rotational vortexes is possible and must be estimated (in case of type I superconductivity the interactions are much weaker). Our results indicate that even in this case, the interaction between vortexes and flux tubes will be significantly weaker than in the crust, as the force per unit length is $\approx 10^{12} - 10^{13} \mbox{ dyn/cm}$. These results are used in static models (based on the "snowplow" model) which can reproduce the physical observable parameters and also provide a mean to infer the masses of the most frequent glitching stars: we propose a unified description of the glitch phenomenon both for small and large glitchers and we analyze the interesting correlation between mass and glitching strength. The whole temporal evolution of a glitch can be followed thanks to the development of a dynamical model. The multifluids formalism is implemented in a consistent simulation, which take into account realistic physical inputs like equation of state, entrainment and drag forces: the rise and the recovery of a glitch is analyzed in connection with the relevant parameters of the model, in order to understand more deeply all the aspects of this phenomenon. We also compare our simulations with the observational data of the frequent glitchers in order to estimate the masses of the pulsars. It's noteworthy the fact that the results are in good agreement with the ones obtained with the static approach, showing again the same mass--glitching strength relation.
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Archibald, Robert. "An anti-glitch in a magnetar." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=121308.

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Magnetars are neutron stars showing dramatic X-ray and soft γ-ray outbursting behaviour that is thought to be powered by their intense internal magnetic fields. Like conventional neutron stars in the form of radio pulsars, magnetars show sudden changes in their rotation rate, called "glitches," during which angular momentum is believed to be transferred between the solid outer crust and the superfluid component of the inner crust. Hitherto, the several hundred observed glitches in radio pulsars and magnetars have involved a sudden spin-up of the star, due presumably to the interior superfluid rotating faster than the crust. In this thesis, we report on X-ray timing observations of the magnetar 1E 2259+586 , using the Swift X-ray Telescope, which we show exhibited a clear "anti-glitch" – a sudden spin down. We show that this event, like some previous magnetar spin-up glitches, was accompanied by multiple X-ray radiative changes and a significant spin-down rate change. This event, if of origin internal to the star, is unpredicted in models of neutron star spin-down and is suggestive of differential rotation in the neutron star, further supporting the need for a rethinking of glitch theory for all neutron stars.
Les magnétars sont des étoiles à neutrons caractérisées par une émission violente de rayons X et de rayons gamma doux. Cette émission par sursauts serait alimentée par leur puissants champs magnétiques internes. À l'instar des étoiles à neutrons conventionnelles se trouvant sous la forme de pulsars radios, les magnétars affichent des changements soudains dans leur vitesse de rotation, appelés 'glitches'. Durant ces changements, un transfer de moment angulaire se ferait entre la croûte solide extérieure et la composante superfluide de la croûte intérieure. À ce jour, les quelques centaines de 'glitches' observés dans les pulsars radios et les magnétars se sont transformés en accélération soudaine de l'étoile, un phénomène vraisemblablement dû au fait que la rotation du superfluide intérieur est plus rapide que celle de la croûte. Dans ce travail, nous rapportons des observations du magnétar 1E 2259+586 réalisées à l'aide du Télescope à rayons X Swift démontrant clairement un comportement d'anti-'glitch', c'est-à-dire un ralentissement abrupt de la vitesse de rotation de l'étoile. Nous montrons que cet évènement, tout comme d'autres anti-'glitches' observés précédemment, a été accompagné par de multiples changements dans l'émission de rayons X et par une décroissance du spin de l'étoile. Ce comportement, s'il est causé par des mécanismes stellaires internes, n'est pas prédit par les modèles de variation de vitesse de rotation des étoiles à neutrons et suggère l'existence de rotation différentielle, ce qui supporte l'idée que la théorie du 'glitch' dans les étoiles à neutrons doit être repensée.
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Parrott, Jordan A. "Timbre Architecture: The Glitch is the System." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1243013919.

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Tang, Pui-shan Anisia, and 鄧佩姗. "Thermal X-ray pulses resulting from pulsar glitches." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B29790992.

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Books on the topic "Glitche"

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Cook, David. Glitch! Lake Geneva, WI: TSR, 1988.

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Anastasiu, Heather. Glitch. New York: St. Martin's Press Griffin, 2012.

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Glitch. 2nd ed. Sacramento, CA: Obsidian Mountain Pub., 2015.

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Witch glitch. New York: Simon Pulse, 2003.

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Witch glitch. London: Pocket Books, 2003.

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Hernandez, Paul A. The glitch. Berkeley, Calif: TQS Publications, 1996.

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Kotli︠a︡r, Dzho. Sboĭ: Glitch. Moskva: Komiks pablisher, 2019.

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Goldman, Leslie. Witch glitch. New York: Simon Pulse, 2003.

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Madeleine, Nasalik, ed. Glitch: Roman. Paris: R. Laffont, 2012.

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Minecraft hacks & glitches. [United States]: Minecraft Books, 2014.

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Book chapters on the topic "Glitche"

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Wiechers, Henk. "Looking for Glitches in Mobility Platforms." In Platformization of Urban Life, 85–100. Bielefeld, Germany: transcript Verlag, 2022. http://dx.doi.org/10.14361/9783839459645-006.

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Henk Wiechers discusses the relationship between the concept of glitch feminism and platform urbanism with a sectoral focus on mobility platforms. Looking for glitches in everyday workings of platforms is seen as a way to envision emancipatory potentials in these interactions. Here, mobility platforms serve as a fitting example, due to their manifold material and social interconnections between platforms and urban space. In three scenes deduced from autoethnographic field visits the author identifies three perspectives on how to investigate mobility platforms through the lens of the glitch and points out aspects where further research is needed.
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Joh, Jungwoo, Yezee Seo, Hoon-Kyu Kim, and Taekyoung Kwon. "Glitch Recall: A Hardware Trojan Exploiting Natural Glitches in Logic Circuits." In Information Security Applications, 150–61. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93563-8_13.

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Weik, Martin H. "glitch." In Computer Science and Communications Dictionary, 682. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_7967.

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Cristianini, Nello. "The Glitch." In The Shortcut, 118–27. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003335818-8.

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McFedries, Paul. "Overcoming Email Glitches." In Troubleshooting iOS, 47–60. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2445-8_5.

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den Heijer, Eelco. "Evolving Glitch Art." In Evolutionary and Biologically Inspired Music, Sound, Art and Design, 109–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36955-1_10.

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Stavans, Ilan, and Verónica Albin. "The Process Glitch." In Knowledge and Censorship, 3–8. New York: Palgrave Macmillan US, 2008. http://dx.doi.org/10.1057/9780230611252_1.

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Alpar, M. A. "Models for Pulsar Glitches." In The Lives of the Neutron Stars, 185–96. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0159-2_20.

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Suzuki, Daisuke, and Koichi Shimizu. "The Glitch PUF: A New Delay-PUF Architecture Exploiting Glitch Shapes." In Cryptographic Hardware and Embedded Systems, CHES 2010, 366–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15031-9_25.

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Santolalla, Oscar. "How to Avoid Common Glitches." In Create and Deliver a Killer Product Demo, 63–66. Berkeley, CA: Apress, 2018. http://dx.doi.org/10.1007/978-1-4842-3954-4_8.

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Conference papers on the topic "Glitche"

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Mason, Stacey. "Glitched lit." In the 2nd workshop. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2310076.2310086.

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Gross, Shad. "Glitch, please." In the 6th International Conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2513506.2513525.

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Fusco, A., E. Mejuto-Villa, I. M. Pinto, M. Principe, and L. Troiano. "Glitch entomology." In Proceedings of the MG14 Meeting on General Relativity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813226609_0474.

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Azatyan, Harutyun, Hrayr Sahakyan, Andranik Galstyan, and Sergo Harutyunyan. "IO Glitch Filter." In 2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO). IEEE, 2020. http://dx.doi.org/10.1109/elnano50318.2020.9088824.

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Hood, Beverley. "Choreographing the glitch." In The 26th BCS Conference on Human Computer Interaction. BCS Learning & Development, 2012. http://dx.doi.org/10.14236/ewic/hci2012.86.

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Dasu, Tamraparni, Ji Meng Loh, and Divesh Srivastava. "Empirical glitch explanations." In KDD '14: The 20th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. New York, NY, USA: ACM, 2014. http://dx.doi.org/10.1145/2623330.2623716.

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Ali Alpar, M., Ersin Göğüş, Ünal Ertan, and Tomaso Belloni. "The Largest Pulsar Glitch and the Universality of Glitch Behavior." In ASTROPHYSICS OF NEUTRON STARS 2010: A Conference in Honor of M. Ali Alpar. AIP, 2011. http://dx.doi.org/10.1063/1.3629507.

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Obermaier, Johannes, Robert Specht, and Georg Sigl. "Fuzzy-glitch: A practical ring oscillator based clock glitch attack." In 2017 International Conference on Applied Electronics (AE). IEEE, 2017. http://dx.doi.org/10.23919/ae.2017.8053601.

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Alluri, Lakshmaiah, and Hemant Jeevan Magadum. "Small Delay Tracing Defect Testing." In 7th International Conference on VLSI and Applications (VLSIA 2021). Academy and Industry Research Collaboration Center (AIRCC), 2021. http://dx.doi.org/10.5121/csit.2021.112101.

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This Small Delay Tracing Defect Testing detect small delay defects by creating internal signal races. The races are created by launching transitions along simultaneous two paths, a reference path and a test path. The arrival times of the transitions on a ‘convergence’ or common gate determine the result of the race. On the output of the convergence gate, a static hazard created by a small delay defect presence on the test path which is directed to the input of a scan-latch. A glitch detector is added to the scan latch which records the presence or absence of the glitch.
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Shahmirzadi, Aein Rezaei, and Amir Moradi. "Clock Glitch versus SIFA." In 2020 IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems (DFT). IEEE, 2020. http://dx.doi.org/10.1109/dft50435.2020.9250822.

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Reports on the topic "Glitche"

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Landwehr, Peter M. A Collection of Economic and Social Data from Glitch, a Massively Multiplayer Online Game. Fort Belvoir, VA: Defense Technical Information Center, March 2013. http://dx.doi.org/10.21236/ada586978.

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The Family Glitch. Project HOPE, November 2014. http://dx.doi.org/10.1377/hpb20141110.62257.

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