238 research outputs found
On a Lie-theoretic Approach to Generalized Doubly Stochastic Matrices and Applications
No full textIn this article, we study generalized doubly stochastic matrices using the theory of Lie groups and Lie algebras. Applications to the inverse eigenvalue problem for symmetric doubly stochastic matrices are presented.ATIYAH M, 1982, B LOND MATH SOC, V23, P1; ATIYAH MF, 1983, P EDINBURGH MATH SOC, V26, P121; Audin M, 1991, TOPOLOGY TORUS ACTIO; BAUERLE GG, 1990, FINITE INFINITE DIME; BRUALDI RA, 1988, LINEAR ALGEBRA APPL, V107, P77, DOI 10.1016-0024-3795(88)90239-X; BRUALDI RA, 1991, ENCY MATH; CRUSE AB, 1975, DISCRETE MATH, V13, P109, DOI 10.1016-0012-365X(75)90012-6; GIBSON PM, 1980, LINEAR ALGEBRA APPL, V30, P101, DOI 10.1016-0024-3795(80)90185-8; GOURDIN M, 1982, BASICS LIE GROUPS; Helgason S., 1984, GROUPS GEOMETRIC ANA; JOHNSEN EC, 1971, LINEAR ALGEBRA APPL, V4, P225; Johnson C., 1981, LINEAR MULTILINEAR A, V10, P113, DOI 10.1080-03081088108817402; Katz M, 1970, J COMB THEORY, V8, P417, DOI 10.1016-S0021-9800(70)80034-5; Kirillov A.A., 1976, ELEMENTS THEORY REPR; Kostant B., 1973, ANN SCI ECOLE NORM S, p[6, 413]; Minc H., 1988, NONNEGATIVE MATRICES; MOURAD BH, 1998, THESIS U NEW S WALES; Perfect H., 1965, MONATSH MATH, V69, P35, DOI 10.1007-BF01313442; SINKHORN R, 1962, NOT AM MATH SOC, V9, P334; Soules G., 1983, LINEAR MULTILINEAR A, V13, P241, DOI 10.1080-03081088308817523; Tam T.Y., 1997, LINEAR MULTILINEAR A, V43, P87, DOI 10.1080-030810897088185188101
The contemporary zejel in Morocco : ُمَو ْي را َط ْTram by Mourad Kadiri, the popular poet of Salé
No full textMourad Kadiri pertenece a la segunda generación de poetas populares marroquíes contemporáneos que cultivan el zéjel. En este trabajo, presentamos su último diván, طْرَامُوَيْْ Tranvía, a través de su estética formal y su lengua. El artículo está estructurado así: 0. Introducción. 1. El autor. 2. Los poetas populares contemporáneos. 3. El zéjel y su lengua de expresión. 3.1. Rasgos lingüísticos. 4. La estética de Mourad Kadiri en Tranvía. 4.1. Figuras literarias.Mourad Kadiri belongs to the second generation of contemporary Moroccan popular poets who cultivate the zejel. In this work, we present his latest divan, طْرَامُوَيْْ Tramway, through his formal aesthetics and his language. The article is structured as follows: 0. Introduction. 1. The author. 2. Contemporary popular poets. 3. The zejel and its language of expression. 3.1. Linguistic features 4. The aesthetics of Mourad Kadiri in Tramway. 4.1. Literary figures
Minumally invasive videi-assisted thyroidectomy: multinstitutional experience
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Minimally invasive video-assisted thyroidectomy: Multiinstitutional experience
Author(s): Miccoli, P (Miccoli, P); Bellantone, R (Bellantone, R); Mourad, M (Mourad, M); Walz, M (Walz, M); Raffaelli, M (Raffaelli, M); Berti, P (Berti, P)
Source: WORLD JOURNAL OF SURGERY Volume: 26 Issue: 8 Pages: 972-975 DOI: 10.1007/s00268-002-6627-7 Published: AUG 2002
Times Cited: 88 (from Web of Science)
Cited References: 10 [ view related records ] Citation MapCitation Map
Conference: International Surgical Week Conference Location: BRUSSELS, BELGIUM Date: AUG 26-30, 2001
Abstract: Minimally invasive video-assisted thyroidectomy (MINAT) was described in 1998. In this study we collected the experience of four third-level referral centers that adopted this technique. A total of 336 patients (279 females, 57 males) were selected for MINAT. Selection criteria were thyroid volume < 15 ml, nodules not exceeding 3.5 cm of diameter, and an absence of thyroiditis, previous neck surgery, or previous irradiation. The procedure, totally gasless, is carried out through a 15 rum central incision above the sternal notch. Dissection is performed under endoscopic vision using conventional and endoscopic instruments. The mean operating time was 69.4 +/- 30.6 minutes for lobectomy (range 20-150 minutes) and 87.4 +/- 43.5 minutes for total thyroidectomy (range 30-220 minutes). The mean postoperative stay was 1.9 +/- 0.8 days. Postoperative complications were 7 transient and I definitive recurrent nerve palsies and 11 cases of hypoparathyroidism (9 transient, 2 definitive). Conversion to open surgery was necessary in 15 patients (4.5%). This study confirms in a large number of cases the safety and feasibility of MINAT, even in different surgical settings where similar results were achieved. The complication rate was not different from that of standard thyroidectomy. Although the operating time appears longer than with conventional procedures, the learning curve demonstrates a sharp decrease with increasing experience and the introduction of new technologies. The number of patients eligible for this approach remains low, thereby limiting its use, but it should be considered a valid option in selected surgical centers, offering some advantages to patients in terms of cosmetic results and postoperative distress
Mourad Farag and His Book, The Karaites and the Rabbanites
No full textThe modern history of Karaism and Karaites is one of the most neglected corners in the whole field of Jewish and Near Eastern studies. Particularly in the 20th century, unrecorded history is bound to become permanently lost history, an eventuality surely to be regretted.
The present paper attempts to rescue from oblivion a recent member of the Cairene Karaite community. Mourad Farag (1867-1955), born in a family of goldsmiths, became a successful attorney at law, but devoted much of his leisure to Jewish studies and became a self-taught scholar in this field. He published a long series of works in Hebrew grammar, comparative Hebrew and Arabic philol¬ ogy, Karaite law, Biblical exegesis, and kindred subjects, as well as copious Arabic and Hebrew poetry. The paper examines in particular detail his work entitled The Karaites and the Rabbanites, in which he goes into great detail in examining the differences between the two camps, as well as the history of the Karaites and their literary activity. His intention throughout is to avoid intolerance and recriminations and to promote mutual understanding, and he is equally opposed to extremism on either the Karaite or the Rabbanite side. If occasionally he bases his conclusions on insufficient evi¬ dence, this is probably due to his lack of access to, or inability to read fluently, the pertinent Rabbanite sources in the original. On the other hand, in some aspects, for example in his concern for the rights of women, he is clearly under the influence of modern Western thought. An important product of modern Karaite literature ; neither work nor author should be permitted to lapse into oblivion.Nemoy Leon. Mourad Farag and His Book, The Karaites and the Rabbanites. In: Revue des études juives, tome 135, n°1-3, janvier-septembre 1976. pp. 87-112
Concepts and Constructs of Urban Sensing
No full textThere is an increasing practice of combining various sorts of data from the city to obtain a comprehensive operating picture for urban managers. The sorts of data being combined includes administrative data, sensor and transactional data, and social media data. In order for these practices to fulfil their full promises it is important that practitioners build systems which measure the correct things. It is also important that theorists develop systematic explanations for complex urban phenomena. This paper confronts the challenges of building better concepts and constructs for urban data analysis and sensing.Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Policy Analysi
The effect of response-to-intervention model on developing acquisition of letter naming knowledge and spelling knowledge among kindergarten children identified as at risk for the acquisition of beginning reading
No full text The purpose of this study was to investigate the effect of response-to-intervention model on developing acquisition of letter naming knowledge and spelling knowledge among kindergarten children identified as at risk for the acquisition of beginning reading. Thirty- six kindergarten children identified as at risk for the acquisition of beginning reading participated in this study. Children were administered a pre- reading skills test ( developed by Mourad Ali, 2014 to screen for children who are at risk for the acquisition of beginning reading) . Children who had low achievement scores on the test (( at least 1.5 standard deviations [SD] below the population mean) were included. Letter Naming Knowledge Test and Spelling Knowledge Test were employed. In order to analyze the data from the pre- and post-test, the author used ,making use of the Statistical Package for the Social Sciences (SPSS) V22.0. ANCOVA analysis and t-test results indicated the effectiveness of response-to-intervention model on developing acquisition of letter naming knowledge and spelling knowledge among kindergarten children identified as at risk for the acquisition of beginning reading
Neural regulation of intestinal nutrient absorption
No full textThe nervous system and the gastrointestinal (GI) tract share several common features including reciprocal interconnections and several neurotransmitters and peptides known as gut peptides, neuropeptides or hormones. The processes of digestion, secretion of digestive enzymes and then absorption are regulated by the neuro-endocrine system. Luminal glucose enhances its own absorption through a neuronal reflex that involves capsaicin sensitive primary afferent (CSPA) fibres. Absorbed glucose stimulates insulin release that activates hepatoenteric neural pathways leading to an increase in the expression of glucose transporters. Adrenergic innervation increases glucose absorption through α1 and β receptors and decreases absorption through activation of α2 receptors. The vagus nerve plays an important role in the regulation of diurnal variation in transporter expression and in anticipation to food intake. Vagal CSPAs exert tonic inhibitory effects on amino acid absorption. It also plays an important role in the mediation of the inhibitory effect of intestinal amino acids on their own absorption at the level of proximal or distal segment. However, chronic extrinsic denervation leads to a decrease in intestinal amino acid absorption. Conversely, adrenergic agonists as well as activation of CSPA fibres enhance peptides uptake through the peptide transporter PEPT1. Finally, intestinal innervation plays a minimal role in the absorption of fat digestion products. Intestinal absorption of nutrients is a basic vital mechanism that depends essentially on the function of intestinal mucosa. 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Analysing Author Self-citations in Computer Science Publications
No full textIn scientific papers, citations refer to relevant previous work in order to underline the current line of argumentation, compare to other work and/or avoid repetition in writing. Self-citations, e.g. authors citing own previous work might have the same motivation but have also gained negative attention w.r.t. unjustified improvement of scientific performance indicators. Previous studies on self-citations do not provide a detailed analysis in the domain of computer science. In this work, we analyse the prevalence of self-citations in the DBLP, a digital library for computer science. We find, that approx. 10% of all citations are self-citations, while the rates vary with year after publication and the position of the author in the list as well as with the gender of the lead author. Further, we find that C-ranked venues have the highest incoming self-citation rate, while the outgoing rate is stable across all ranks
The relationship between sport injuries and sport achievement motivation among football players (senior category)
No full textهدفت الدراسة إلى التعرف على العلاقة بين الإصابات الرياضية ودافعية الإنجاز الرياضي عند لاعبي كرة القدم (الأكابر)، حيث تكونت عينة الدراسة من27 لاعب تم اختيارهم بالطريقة العشوائية من أندية ولاية المسيلة، وقد اعتمدنا على المنهج الوصفي في هذه الدراسة، واستخدمنا مقياس دافعية الانجاز الرياضي والاستبيان كأدوات لهذه الدراسة، وقد أشارت النتائج المتوصل إليها إلى أن:
- توجد علاقة ارتباطية بين سبب حدوث الإصابة ودافعية الإنجاز الرياضي لدى لاعبي كرة القدم.
- توجد علاقة ارتباطية بين نوع الإصابة الرياضية ودافعية الإنجاز الرياضي لدى لاعبي كرة القدم.The study aimed at identifying the correlation between sport injuries and sport achievement motivation with senior category of football players.The study sample consisted of 27 players selected randomly from the clubs of the state of M’sila.In this study, the descriptive method was adopted depending on sport achievement scale and the questionnaire as tools of study.The results of the study showed that:- Most injuries were caused by inadequate warming-up, technical and football skill terms that lead to negative impact on successful achievement motivation and the drive to avoid failure.- The type of injury negatively affects the motivation to achieve success and to avoid failure, due to the weak warming-up of each activity and the lack of identification of the skill technique performance
Inhibitory effect of experimental colitis on fluid absorption in rat jejunum: Role of the enteric nervous system, VIP, and nitric oxide
No full textImpairment of small intestinal absorption has been described in patients with ulcerative colitis and in animal models of experimental colitis. The pathophysiology of this dysfunction has not been elucidated. The aim of this study was to investigate the effect of chemical colitis on jejunal fluid absorption and determine the role of the enteric nervous system and some putative neurotransmitters. In a rat model of iodoacetamide-induced colitis, jejunal net fluid absorption was evaluated by the in vivo single-pass perfusion technique. The effects of 1) tetrodotoxin (TTX), 2) benzylalkonium chloride (BAC), 3) capsaicin, 4) vasoactive intestinal polypeptide (VIP) antagonism, 5) nitric oxide (NO) synthase (NOS) inhibition, and 6) 5-hydroxytryptamine type 3 and 4 (5-HT3 and 5-HT4) receptor antagonism on the changes in fluid movement were investigated. A significant decrease in jejunal net fluid absorption was found 2 and 4 days after colitis induction: 26 (SD 14) and 28 (SD 19) μl·min-1·g dry intestinal wt -1, respectively [P andlt; 0.0002 compared with sham rats at 61 (SD 6.5) μl·min-1·g dry intestinal wt-1]. No histological changes were evident in jejunal sections. TTX and BAC reversed this decrease in fluid absorption: 54 (SD 13) and 44 (SD 14) μl·min -1·g dry intestinal wt-1 (P = 0.0005 and P = 0.019, respectively, compared with colitis). Ablation of capsaicin-sensitive primary afferent fibers had a partial effect: 45 (SD 5) μl·min -1·g dry intestinal wt-1 (P = 0.001 and P = 0.003 compared with colitis and sham, respectively). Constitutive and neuronal NOS inhibition and VIP antagonism returned jejunal net fluid absorption to normal values: 66 (SD 19), 61 (SD 5), and 56 (SD 14) μl·min -1·g dry intestinal wt-1, respectively. 5-HT 3 and 5-HT4 receptor antagonism had no effect. Chemical colitis is associated with a significant decrease in jejunal net fluid absorption. This decrease is neurally mediated and involves VIP- and NO-related mechanisms. 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