Miracle-dz/UniFAR-FTUs huggingface dataset:
Characteristic numbers of crepant resolutions of Weierstrass models

We compute characteristic numbers of crepant resolutions of Weierstrass models corresponding to elliptically fibered fourfolds $Y$ dual in F-theory to a gauge theory with gauge group $G$. In contrast to the case of fivefolds, Chern and Pontryagin numbers of fourfolds are invariant under crepant birational maps. It follows that Chern and Pontryagin numbers are independent on a choice of a crepant resolution. We present the results for the Euler characteristic, the holomorphic genera, the Todd-genus, the $L$-genus, the $\hat{A}$-genus, and the curvature invariant $X_8$ that appears in M-theory. We also show that certain characteristic classes are independent on the choice of the Kodaria fiber characterizing the group $G$. That is the case of $\int_Y c_1^2 c_2$, the arithmetic genus, and the $\hat{A}$-genus. Thus, it is enough to know $\int_Y c_2^2$ and the Euler characteristic $\chi(Y)$ to determine all the Chern numbers of an elliptically fibered fourfold. We consider the cases of $G=$ SU($n$) for ($n=2,3,4,5,6,7$), USp($4$), Spin($7$), Spin($8$), Spin($10$), G$_2$, F$_4$, E$_6$, E$_7$, or E$_8$.
Maten och måltidsmiljön på sjukhus

The aim of this study was to describe and analyse how meals and the eating environment can be experienced in hospital setting. The study was based on the experiences of eight patients in a geriatric rehabilitation ward. The research approach was influenced by Grounded Theory. The need of good nutrition for hospital patients has been highlighted in recent years. There have been several reports that point out that patients starve in hospitals. Florence Nightingale emphasised that a good eating environment is central for the patient to receive their required nutritional needs. There are several causes for malnutrition in hospital, one is an unsuitable eating environment. The eating environment in a hospital differs depending on factors like its location and ward routines. The staff and patients are also part of the environment. The findings indicated that most of the patients were satisfied with the hospital food. However there were some criticism on the food and its preparation. None of the patient knew that there were different dinner alternatives. Most of the patients had poor appetite, which they related to oral mucous dysfunction, pain and/or medicine. Fellow-patients seem to be a large part of the eating environment. The relationships between the fellow-patients can give social comfort and / or they can identify themselves with other patients in a similar condition. But it can also give problems with disturbing and anxious fellow-patients. Most of the patients were positive towards eating in the dining room. But some of them had a desire to eat alone because their physical dysfunction's get their table manners worse. There were also wishes for a separate dining room for anxious and disturbing patients.
Large Aneurysm of the Internal Carotid Artery Presenting as Bitemporal Hemianopia

A 63-year-old woman presented at our clinic with an inability to see out of both eyes, which had originated 6 months earlier. The gradual loss of vision was painless. Neuro-ophthalmic examination revealed 0.5/0.5 vision. Bitemporal hemianopia was detected by perimetry. Brain magnetic resonance imag-ing revealed a well-defined mass in the sellar and suprasellar areas (Figure 1A). There was no subarachnoid hemorrhage. A cerebral angiogram con ﬁ rmed a right internal carotid aneurysm, measuring 1.8 cm anterior-posteriorly, 2.2 cm transversely, 1.9 cm craniocaudally, and projecting posteromedially (Figure 1B). Given the long history, we thought that her prognosis for visual recovery would be poor and that the risks of surgical intervention outweighed the potential bene ﬁ ts at this time. Instead, coil embolization was planned. Although successful coil embolization was performed, the bitemporal hemianopia did not recover after the intervention, suggesting that the damage to the optic chiasm was irreversible or that our intervention did not eliminate the cause of compression.
Untersuchung des Dreipunkt – Neutral Point Clamped – Stromrichters mit Spannungszwischenkreis (3L-NPC-VSC) für Niederspannungswindkraftanwendungen

The aim of this thesis was the investigation of a new low-voltage power electronics building block (PEBB) with a three-level neutral-point-clamped voltage-source converter (3L-NPCVSC) topology for wind power applications. Important requirements of the PEBB and the resulting issues are presented as well as solutions for chosen partial problems are given. To open up the advantages of the 3L-NPC-VSC to manufacturers of wind turbines it is useful to develop a new PEBB. The PEBB should be easy to integrate in systems where two-level converter (2L-VSC) are currently used. Because modulation, dc-link balancing and shortcircuit protection are different to the 2L-VSC, the PEBB should overcome these issues independently. The thesis describes the conception of such a PEBB and deals especially with modulation, dc-balancing and short-circuit protection of the 3L-NPC-VSC. A comparison of possible modulation methods was done and the best suited chosen in order to be implemented in the PEBB control platform. One requirement was that it can deal with incoming signals from overlaying controllers designed for a 2L-VSC. A survey of the algorithms for the dc-balancing showed that almost all have the disadvantage of an extra measuring of currents. The investigation of a newly at the chair of Power Electronics at TU Dresden developed method without the need of measurements showed that it is applicable. The algorithm was simulated, implemented and experimental tested and showed good performance. The task of a complete independent short-circuit protection was the most hard one. All possible failures on module level were analysed and categorized. Some types can be handled by the control of one phase leg itself. Respective algorithms were developed, simulated and tested. But there are some types of failure which can’t be handled by the control of one phase leg. The communication between the three phase leg controls of a three phase system would be necessary. Or, an overlaying control could manage this failures. At the end a demonstrator of the PEBB was built and tested. Some measurement results are given in order to verify its function.
On Shrinkage Estimation: Non-orthogonal Case

In this paper, we consider the estimation of the parameters of the non-orthogonal regression model, when we suspect a sparsity condition. We provide with a comparative performance characteristics of the primary penalty estimators, namely, the ridge and the LASSO, with the least square estimator, restricted LSE, preliminary test and Stein-type of estimators, when the dimension of the parameter space is less than the dimension of the sample space. Using the principle of marginal distribution theory, the analysis of risks leads to the following conclusions: (i) ridge estimator outperforms least squares, preliminary test and Stein-type estimators uniformly, (ii) The restricted least squares estimator and LASSO are competitive, although LASSO lags behind the restricted least squares estimator uniformly. Both estimators outperform the least squares, preliminary test, and Stein-type estimators in a subspace, respectively. (iii) The lower bound risk expression of LASSO does not depend on the threshold parameter. (iv) Performance of the estimators depends upon the size of numbers of active coefficients, non-active coefficients, and the divergence parameter. In support of our conclusion, we prepare some tables and graphs relevant to the properties of the estimators.
Evaluation of Optimal Number of Topics of Topic Model: An Approach Based on the Quality of Clusters

Несмотря на то, что тематические модели используются для построения кластеров документов уже более 10 лет до сих пор существует проблема выбора оптимального количества тематик. Авторами проанализирован ряд ключевых исследований, предпринятых на эту тему за последнее время. Основная проблема состоит в отсутствии стабильной метрики качества тематик, полученных в ходе построения тематической модели. Авторами проведён анализ внутренних метрик тематической модели: Когерентность, Контрастность и Чистота ядра тем для определения оптимального количества тем и сделано заключение об их неприменимости для решения этой задачи. Авторами проанализирован подход к выбору оптимального количества тем на основе полученных кластеров. Для этого были рассмотрены поведения метрик валидации кластеров Davies Bouldin Index, Silhouette Coefficient и Calinski-Harabaz Index в зависимости от количества тематик. В основу предлагаемой авторами новой методики определения оптимального количества тематик легли следующие принципы: настройка тематической модели с последовательной регуляризацией (ARTM) для отделения шумовых тематик; качестве векторного представления слов, входящих в тематики, авторы предложили использовать плотных представления (embedded) векторов (GloVe, FastText, Word2Vec); для оценки расстояний авторы предложили использовать косинусную меру, которая на векторах с большой размерностью работает лучше, чем Евклидова мера расстояния. Разработанная авторами методика получения оптимального количества тем была опробована на коллекции научных статей из библиотеки OnePetro , отобранным определенным тематикам рубрикатора. Эксперимент показал, что предложенная авторами методика позволяет точно оценить оптимальное количество тематик для тематической модели, построенной по небольшой коллекции англоязычных документов.
Evaluation of common missed fractures and dislocations in orthopedics and traumatology

Hastanin ilk muayenesinde tani konulmayan ama daha sonraki muayenelerinde, rehabilitasyon esnasinda veya taburcu sonrasi fark edilen yaralanmalar atlanmis kirik olarak tanimlanmaktadir. Hemen her travma merkezinde bu tur istenmeyen olaylar ile karsilasilmaktadir. Hastadan iyi oyku alinmamasi, detayli muayene edilmemesi, gerekli grafilerin istenmemesi, istenilen grafilerde patolojinin tespit edilememesi veya hekimin grafileri yanlis yorumlamasi kirik ve cikiklarin atlanmasinin nedenleri arasindadir. Atlanan kiriklarin anatomik yerlesimlerine bakildiginda, bazi kirik turlerinin gozden kacabilecegi unutulmamalidir. Bu konuda hekimin uyanik olmasi ve buna gore bir sistematik yol haritasi belirlemesi bu tur sorunlarin yasanmasina engel olacaktir. Bu derlemede, atlanmaya en fazla aday kirik ve cikiklar hakkinda kisa bilgiler vererek, bu hatalarin en aza indirilmesi hususunda ne yapilmasi gerektigi tartisildi.
Ex-anorectic Patients’ Perceptions on Treatments: Less Weighing, More Talking

Objectives: Anorexia is a serious psychiatric condition that can lead to death at its worst; therefore, survival is not guaranteed or the results of treatments appear inconsistent. The present research gives an extraordinary and unique insight into anorexia and ex-anorectic patients’ experiences of survival. Methods: This is a narrative study where 11 Finnish women who survived anorexia successfully revealed their stories and contemplated the treatments they had undergone. Their stories serve as examples of ex-anorectic patients’ survival stories. The special focus is on understanding the emotional aspect during the treatment. Results: There is no specific treatment that would help all anorectic patients. The most important thing is to help the patients with anorexia to understand what the illness is all about. Conclusions: Self-abuse, fear, and anxiety can be overcome with the love and joy of life: “the appetite for life. ”
Conditional Sparse $\ell_p$-norm Regression With Optimal Probability

We consider the following conditional linear regression problem: the task is to identify both (i) a $k$-DNF condition $c$ and (ii) a linear rule $f$ such that the probability of $c$ is (approximately) at least some given bound $\mu$, and $f$ minimizes the $\ell_p$ loss of predicting the target $z$ in the distribution of examples conditioned on $c$. Thus, the task is to identify a portion of the distribution on which a linear rule can provide a good fit. Algorithms for this task are useful in cases where simple, learnable rules only accurately model portions of the distribution. The prior state-of-the-art for such algorithms could only guarantee finding a condition of probability $\Omega(\mu/n^k)$ when a condition of probability $\mu$ exists, and achieved an $O(n^k)$-approximation to the target loss, where $n$ is the number of Boolean attributes. Here, we give efficient algorithms for solving this task with a condition $c$ that nearly matches the probability of the ideal condition, while also improving the approximation to the target loss. We also give an algorithm for finding a $k$-DNF reference class for prediction at a given query point, that obtains a sparse regression fit that has loss within $O(n^k)$ of optimal among all sparse regression parameters and sufficiently large $k$-DNF reference classes containing the query point.
Search for pair production of first-generation scalar leptoquarks at √s=13 TeV

A search for the pair production of first-generation scalar leptoquarks is performed using proton-proton collision data recorded at 13 TeV center-of-mass energy with the CMS detector at the LHC. The data correspond to an integrated luminosity of 35.9 fb(-1). The leptoquarks are assumed to decay promptly to a quark and either an electron or a neutrino, with branching fractions beta and 1 - beta, respectively. The search targets the decay final states comprising two electrons, or one electron and large missing transverse momentum, along with two quarks that are detected as hadronic jets. First-generation scalar leptoquarks with masses below 1435 (1270) GeVare excluded for beta = 1.0(0.5). These are the most stringent limits on the mass of first-generation scalar leptoquarks to date. The data are also interpreted to set exclusion limits in the context of an R-parity violating supersymmetric model, predicting promptly decaying top squarks with a similar dielectron final state.
NONCONTACT, LOW-FREQUENCY ULTRASOUND THERAPY* TO EXPEDITE HEALING OF A DEHISCED SURGICAL INCISION: 2206

References History A 76-year-old man presented to our unit 52 days status post surgical repair of an ascending aortic aneurysm. The sternal incision had separated. His comorbidities included hypertension, coronary artery disease, venous insufficiency, chronic renal failure requiring dialysis, respiratory failure, and history of cerebrovascular accident. He was ventilatordependent and used a manually operated wheelchair.
Effects of Scorpio-Scolopendra on Expressions of Airway Inflammation and Airway Remodeling in Asthmatic Rats

Objective:To observe the impact of Scropio-Scolopendra on airway inflammation and airway remodeling of asthmatic rats,and to explore the mechanism of action of Scropio-Scolopendra for asthma.Method:Thirty SD rats were randomly divided into three groups:normal control group(group A),model control group(group B),Scropio-Scolopendra group(group C),10 in each group.The asthmatic rat airway remodeling model was established by ovalbumin sensitized method,The rats in C group was administrated Scropio-Scolopendra by ig(0.625 g·kg-1·d-1),and in A,B group rats were administrated the equal physiological saline in the same way.After three weeks of treatment,the number and the percentage of eosinophil(E),macrophage(M),lymphocyte(L),neutrophilic in bronchoalveolar lavage fluid(BALF). Pulmonary pathological changes were observed by HE stain and Masson stain.The thickness of bronchial wall(Wat/Pbm),smooth muscle(Wam/Pbm) and collagen fibers(Wac/Pbm)were determined in medical image analysis software.Result::Compared with normal group,number of total leukocytes and the percentage of eosinophil,neutrophil,lymphocyte in BALF were significantly higher in the model group(P0.01). The thickness of bronchial wall(Wat/Pbm),smooth muscel layer(Wam/Pbm) and collagen fibers(Wac/Pbm) in model group[(155.32±39.92),(22.11±3.42),(8.47±3.01) μm2/μm] were all significantly increased than those in normal group[(71.01±11.02),(5.51±1.76),(2.37±1.03) μm2/μm](P0.01). Compared with model group,number of total leukocytes and the percentage of eosinophil,neutrophil,lymphocyte in BALF were significantly lower in Scropio-Scolopendra group(P0.01). The thickness of bronchial wall(Wat/Pbm),smooth muscel layer(Wam/Pbm) and collagen fibers(Wac/Pbm) were significantly decreased in Scropio-Scolopendra group[(100.67±15.04),(17.08±4.92),(4.07±1.08) μm2/μm](P0.01). Conclusion:Scropio-Scolopendra can reduce airway inflammation of asthmatic rats,and play an inhibitory role in airway remodeling by reducing the bronchial wall and smooth muscle thickness,the proliferation of collagen fibers.
Device and method for calculating a location on a display

本发明披露了显示位置计算装置及计算显示位置的方法。 用户常常在显示器上指定一点来与机器进行通信，因此需要能计算显示器上用户指定的位置。 显示产生器(123)用于根据机器(111)产生的显示数据产生显示。 照相机装载在指示装置(103)中，用于产生代表照相机视场内至少一部分场景的图像数据(该部分包括显示的至少一部分)。 计算装置(111，113，115)用于接收图像数据和显示数据，并根据这些数据组计算指示装置(103)相对于显示的位置和/或取向。 从而可根据计算出的位置和/或取向计算显示位置。
Blockade of Tumor Necrosis Factor Alpha Prevents Complications of Diabetic Retinopathy

Tumor necrosis factor alpha (TNFα) plays an important role in the pathogenesis of diabetic retinopathy (DR). The objective of this study is to investigate the effect of TNFα blockade on complications of DR. Experimental models of diabetes were induced with streptozotocin (STZ) injection or insulin 2 gene point mutation (Akita) in mice. Intravitreal (IVT) and intraperitoneal (IP) injections were used to deliver anti-TNFα antibody and saline control. TUNEL and activated caspase-3 staining were used to examine apoptotic cell death. Transcardially-perfused FITC-ConA and fluorescence microscopy were used to monitor leukocyte adhesion. Trypsin digestion was used to prepare retinal vasculature and quantify acellular capillary. The leakage of 3H-mannitol into the retina was used to quantify the breakdown of blood-retinal barrier (BRB). TNFα blockade significantly prevented diabetes-related retinal leukostasis. The numbers of caspase 3-positive and TUNEL-positive cells were significantly increased in diabetic retina, but reduced due to anti-TNFα treatment. The increased acellular capillary by diabetes was significantly prevented by anti-TNFα treatment. Diabetes-caused BRB breakdown was prevented by antibody treatment at 3 and 6 months. IVT and IP routes of antibody delivery had similar efficacy and dose response curve. Among the examined dose ranges (1-10 μg/eye for IVT injection and 2-25 mg/kg for IP injection), the antibody inhibited complications of DR in a dose-dependent manner. These results suggest that anti-TNFα therapy is a potential therapeutic treatment for DR.
What is the minimum fixation required to repair flail chest?

Context: Flail chest is associated with significant mortality risk. Chest wall repair is associated with improved outcomes; however, the optimal fixation technique is unknown. Aims: We undertook a review to assess the optimal fixation technique required in order to successfully repair flail chest. Subjects and Methods: This is a retrospective review of consecutive patients with multiple rib fractures undergoing surgical fixation. The predictive value of ratio of fractures fixed in relation to flail segment and ratio of ribs fixed in relation to flail segment was assessed by the primary outcome measure of requirement for reoperation. Results: Thirty-one patients presenting with symptomatic rib fractures were referred to a single surgeon for primary management or a second opinion following previous fixation, between August 2011 and October 2018, and underwent repair. Twenty-two patients were male (71%), and the median age was 66 years (range: 18–81). Twenty-seven patients (87%) were diagnosed with flail segment. Twenty-four patients had a “Fracture Fixation to Flail” ratio (Fx: Fl) ≥1, and none required further rib fixation, whereas three patients had Fx: Fl< 1, two of whom (67%) required further rib fixation (P = 0.0085). Twenty patients had Rx: Fl≥1, and none required further rib fixation, whereas seven patients had Rx: Fl< 1, in whom five (71%) required no further intervention and two (29%) required further rib fixation (P = 0.0598). Minimum fixation number (MFN) was calculated. MFN was achieved in 22 of 27 patients. Two of the four patients with MFN did not achieve the required refixation (P = 0.0171). Conclusions: Fx:Flmost accurately predicts the risk of underfixation and subsequent requirement for further intervention in patients undergoing operative repair of flail chest.
Surgical retrieval of a left atrial appendage closure device (Watchman TM) following embolization into the mitral valve

Percutaneous placement of occluding devices in patients with atrial fibrillation (AF) is now a viable alternative to established treatment methods. A favorable advantage is its minimally invasive technique, although it equally poses a risk. Unstable fixation after deployment, while uncommon, can lead to a catastrophic outcome, including damage to intracardiac structures and embolization to the aorta, causing stroke and possibly death. This can quickly become a surgical emergency that requires urgent intervention in the form of open-heart surgery.
Presentation and management of postcircumcision meatal stenosis at Hawari Center, Benghazi, Libya: A clinical review of 86 cases

Background: Circumcision is a commonly practiced surgical procedure particularly in Islamic countries. As any other surgical procedure, it is attended by some complications of either early (e.g., bleeding) or late (e.g., meatal stenosis [MS]). Objectives: This study was designed to study the different clinical pictures, age at presentation, and management and outcome of postcircumcision MS. Patients and Methods: This is a retrospective study involving 86 children diagnosed with symptomatic MS and underwent meatotomy during the period from January 2010 to December 2018 at Hawari Center for Urology and Otolaryngology, Benghazi. The medical records of the patients reviewed included age at presentation, different clinical pictures, management, and outcomes. All patients were circumcised during the neonatal or infancy period. Results: Patients' age ranged between 3 and 13 years with a mean age of 5.14 years. More than three-quarters of the patients (84.8%) were between 3 and 8 years of age. Forty-six patients (53.4%) presented with pain (burning) during micturition; 17 patients (19.7%) with thin casting stream; 13 patients (15.11%) with thin dorsally deviated stream; five patients (5.8%) with sudden urge to micturiate; 3 (3.40%) patients with frequency of micturition; and only two patients (2.3%) with prolonged voiding time. All our patients operated by meatotomy as a day case procedure under general anesthesia, and there were no recurrences of MS symptoms in any case during the follow-up period. Conclusion: MS is a frequent late complication of neonatal circumcision; it should be excluded by careful meatal examination in any child who is circumcised particularly at the neonatal or nappy period and presented with abnormal micturition or even lower abdominal pain.