cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Architectural Scalability of Neural Network Inference Using Task-based Programming
Creators: name: Meyer, Jan C.
name: Lindi, Bjorn
name: As, Fredrik
name: Brown, Nick
name: Cebamanos, Luis
Publisher: name: Zenodo
Year: 2019
Subjects: preformance characteristics
exascale platforms
trade-o leads

description: The internal structure of interactions in a hidden network can be inferred using a maximum likelihood estimate based on

a record of its external behavior, within the framework of the kinetic Ising model. Beyond its origins in statistical physics,

solutions to this problem can model the internal structure of a hidden neural network based on activity recordings from a

laboratory setting, or the training process of an arti cial neural network in the context of machine learning. The primary

obstacle to its practical application is that the amount of computational work required grows rapidly with the dimensions

of the represented network, but the vast majority of the operations can be independently evaluated in parallel. In this

paper, we investigate the performance characteristics of a proxy application that models this growth, with the purpose

of examining its suitability as a candidate application for future exascale platforms. While the application implies an

abundant amount of parallelizable computation, the practical scalability of a particular implementation depends on the

distribution of its underlying data structure in memory, and the resulting interactions with the memory system of the

target architecture. We investigate three di erent programming strategies that cover di erent trade-o s in terms of

memory access, from a process-based implementation that partitions the global workload into parallel parts that are

strictly sequenced internally, through a combination of thread parallelism and statically scheduled iterations, to a task-

based implementation that exposes all the work in terms of potentially parallel work units and schedules their sequencing

at run-time. We nd that this trade-o leads to implementations that can utilize computing platforms of growing size

comparably well, displaying near-linear speedup on our test system, which makes the application a promising candidate

for extreme scale computations. For the present test systems, however, scheduling the computation at run-time comes

with an overhead that is not amortized by the gains from additional scheduling exibility, suggesting that the process-

based implementation provides the most favorable scalability on present architectures.
Dual-targeted delivery system using hollow silica nanoparticles with H+-triggered bubble generating characteristic coated with hyaluronic acid and AS1411 for cancer therapy
Creators: name: Mirzaei, Salimeh
name: Khademi, Zahra
name: Zolfaghari, Reza
name: Ramezani, Mohammad
name: Alibolandi, Mona
name: Abnous, Khalil
name: Taghdisi, Seyed Mohammad
Publisher: name: Taylor & Francis
Year: 2023
Subjects: Biochemistry
Space Science
Medicine
Cell Biology
Biotechnology
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Cancer

description: Herein, a dual-targeting delivery system using mesoporous silica nanoparticles with hollow structures (HMSNs) was developed for the specific delivery of epirubicin (EPI) to cancer cells and introducing a H+-triggered bubble generating nanosystem (BGNS). HMSNs containing EPI are covered by hyaluronic acid (HA) shell and AS1411 aptamer to create the BGNS-EPI-HA-Apt complex, which is highly selective against CD44 marker and nucleolin overexpressed on the surface of tumor cells. MTT assay compared the cytotoxicity of different treatments in CHO (Chinese hamster ovary) cells as well as 4T1 (murine mammary carcinoma) and MCF-7 (human breast adenocarcinoma) cells. The internalization of Epi was assessed by flow cytometry along with fluorescence imaging. In vivo studies were conducted on BALB/c mice bearing a tumor from 4T1 cell line where monitoring included measuring tumor volume, mouse weight changes over time alongside mortality rate; accumulation levels for Epi within organs were also measured during this process. The collected data illustrated that BGNS-EPI-HA-Apt complex controlled the release of EPI in a sustained method. Afterward, receptor-mediated internalization via nucleolin and CD44 was verified in 4T1 and MCF-7 cells using fluorescence microscopy assay and flow cytometry analysis. The results of tumor inhibitory effect study exhibited that BGNS-EPI-HA-Apt complex decreased off-target effect and improved on-target effects because of its targeting ability. The data acquired substantiates that HA-surface modified HMSNs functionalized with aptamers possess significant potential as a focused platform for efficient transportation of anticancer agents to neoplastic tissues.
TMD PDF's: gauge invariance, RG properties and Wilson lines
Creators: name: Cherednikov, I. O.
name: Stefanis, N. G.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The UV divergences associated with transverse-momentum dependent (TMD) parton distribution functions (PDF) are calculated together with the ensuing one-loop anomalous dimensions in the light-cone gauge. Time-reversal-odd effects in the anomalous dimensions are observed and the role of Glauber gluons is discussed. A generalized renormalization procedure of TMD PDFs is proposed, relying upon the renormalization of contour-dependent operators with obstructions.
description: 4 pages, 1 figure. Talk presented at the International Workshop on Diffraction in High Energy and Nuclear Physics, La Londe-les-Maures, France, 9-14 Sept 2008. v2: 5 pages, preprint number and e-mail addresses added
Supernova fai da te
Creators: Valentina Tudisca
Publisher: name: Media Inaf
Year: 2014

Per spiegare le forme irregolari e gli intensi campi magnetici dei resti di supernova simili a Cassiopeia A, alcuni ricercatori hanno riprodotto in laboratorio l'esplosione di una stella in scala ridotta usando potentissimi laser. Con l'aiuto di simulazioni, hanno scoperto che la chiave sta nei moti turbolenti generati dall'incontro tra supernova e densi grumi di gas
title: ÐÐ¾Ð¼Ð¿Ð»ÐµÐºÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÐºÐ°ÑÐµÑÑÐ²Ð° ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð»ÐµÑÐ¾Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
Creators: name: Ð¡Ð¼Ð¸ÑÐ½Ð¾Ð²Ð°, ÐÐ»ÐµÐ½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: Ð¦ÐµÐ»Ð»ÑÐ»Ð¾Ð·Ð½Ð¾-Ð±ÑÐ¼Ð°Ð¶Ð½Ð¾Ðµ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð¾
Ð»ÐµÑÐ¾Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½ÑÐ¹ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð°
ÐºÐ°ÑÐµÑÑÐ²Ð¾ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸

description: ÐÐ±ÑÐµÐºÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ²Ð»ÑÐµÑÑÑ ÐÐ Â«ÐÑÑÐ¿Ð¿Ð° Â«ÐÐ»Ð¸Ð¼Â».
Ð¦ÐµÐ»Ñ Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ¾Ð¹ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ð¸ Ð·Ð°ÐºÐ»ÑÑÐ°ÐµÑÑÑ Ð² ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐµ Ð¼ÐµÑÐ¾Ð´Ð¸ÐºÐ¸ Ð¸ Ð½Ð°ÑÑÐ½Ð¾-ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ð¹ Ð´Ð»Ñ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÐºÐ°ÑÐµÑÑÐ²Ð° ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ, Ð°Ð´Ð°Ð¿ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÑ Ðº Ð»ÐµÑÐ¾Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾Ð¼Ñ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÑ, Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÐ Â«ÐÑÑÐ¿Ð¿Ð° Â«ÐÐ»Ð¸Ð¼Â».
ÐÐ° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° Ð»ÐµÑÐ½Ð¾Ð³Ð¾ ÑÐµÐºÑÐ¾ÑÐ° ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐ¸ Ð±ÑÐ»Ð¸ Ð²ÑÐ´ÐµÐ»ÐµÐ½Ñ Ð»Ð¸Ð´ÐµÑÑ ÑÐµÐ»Ð»ÑÐ»Ð¾Ð·Ð½Ð¾-Ð±ÑÐ¼Ð°Ð¶Ð½Ð¾Ð¹ Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð¾ÑÑÐ¸, Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ ÑÑÐ°Ð±Ð¸Ð»ÑÐ½Ð¾Ð¹ Ð¸ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾Ð¹ Ð¿Ð¾Ð´Ð¾ÑÑÐ°ÑÐ»Ð¸ Ð»ÐµÑÐ¾Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ° Ð Ð¾ÑÑÐ¸Ð¸: ÐÐ Â«ÐÑÑÐ¿Ð¿Ð° Â«ÐÐ»Ð¸Ð¼Â», ÐÐ Â«ÐÐ¾Ð½Ð´Ð¸ Ð¡ÐÐÐÂ» Ð¸ ÐÐ Â«ÐÑÑÐ°Ð½Ð³ÐµÐ»ÑÑÐºÐ¸Ð¹ Ð¦ÐÐÂ».
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ÐÑÐ» ÑÑÐ¾ÑÐ¼ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹, Ð° Ð·Ð°ÑÐµÐ¼ Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ Ð¿ÑÐ¾ÐµÐºÑ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÐºÐ°ÑÐµÑÑÐ²Ð° ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð»ÐµÑÐ¾Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ° Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÐ Â«ÐÑÑÐ¿Ð¿Ð° Â«ÐÐ»Ð¸Ð¼Â». Ð ÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ñ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð½ÑÑ ÑÐµÑÐµÐ½Ð¸Ð¹ Ð¿ÑÐ¸Ð²ÐµÐ´ÑÑ Ðº Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÑÐ¸ÑÑÐ¾Ð¹ Ð¿ÑÐ¸Ð±ÑÐ»Ð¸ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ, ÑÐ¾ÑÑÑ ÑÐµÐ½ÑÐ°Ð±ÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° Ð·Ð° ÑÑÐµÑ ÑÐ²ÐµÐ»Ð¸ÑÐµÐ½Ð¸Ñ Ð¾Ð±ÑÐµÐ¼Ð° Ð²ÑÐ¿ÑÑÐºÐ° Ð¸ ÐºÐ°ÑÐµÑÑÐ²Ð° Ð²ÑÐ¿ÑÑÐºÐ°ÐµÐ¼Ð¾Ð¹ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸, Ð° ÑÐ°ÐºÐ¶Ðµ Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð±Ð¸Ð·Ð½ÐµÑ-Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸.
C’è la data della fine del mondo. Anzi di due
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2014

Due pianeti in orbita attorno alla stella Kepler-56, a circa 2800 anni luce da noi, sono destinati a soccombere, rispettivamente, nell’arco di 130 e 155 milioni di anni. È la prima volta che un simile destino viene predetto per due mondi appartenenti allo stesso sistema planetario
Services for married couples on assistance and pension : a type study of a selected group of cases, Vancouver, 1956
Creators: name: Talker, Elizabeth
Publisher: name: University of British Columbia
Year: 2012

description: There are many studies and reports on the needs of the Aged. This thesis adopts the ''type-study'' approach, and seeks to get the information as reported by old people themselves. For this purpose it confines itself to (a) persons on social assistance, old age assistance or old age pension, and (b) married couples, age limits being fifty-five to seventy-five years. The eighteen couples chosen for study were interviewed in their homes, the object being to get first-hand knowledge of their circumstances and their own point of view of their needs. This was aided by a prior study of case material from the city of Vancouver Social Service Department. It proved possible, in the main, to typify married couples at this age who could be considered "adjusted" and "unadjusted". This study points up the unmet needs of the unadjusted type, and suggests amelioration of their present circumstances by expansion of volunteer and housekeeper services and certain kinds of recreational units. New services suggested for future experiment which would probably apply to both groups include improvement in communications, specialized in-service staff training, and extension of casework counselling services to include older groups not in need of economic aid. An attempt has been made to stress the preventive and rehabilitative aspects which may prove capable of avoiding and correcting accelerated ageing. The subject is of Special concern in British Columbia to-day, due to the lengthening span of old age, and growing industrialization with its concomitant economic and family problems.
Particle Freeze-out within the Self-Consistent Hydrodynamics
Creators: name: Bugaev, K. A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Here I discuss some implicit assumptions of modern hydrodynamic models and argue that their accuracy cannot be better than 10-15 %. Then I formulate the correct conservation laws for the fluid emitting particles from an arbitrary freeze-out (FO) hypersurface (HS) and show that the derived momentum distribution function of emitted particles does not contain negative contributions which appear in the famous Cooper-Frye formula. Further I analyze the typical pitfalls of some hydro models trying to alternatively resolve the FO problem.
description: 6 pages, talk given at the IV International Workshop on Particle Correlations and Femtoscopy, Cracow, September 11-14, 2008
Com’è dura la vita là fuori
Creators: Davide Coero Borga
Publisher: name: Media Inaf
Year: 2014

La vita nell'Universo potrebbe essere un fatto ancora più raro di quanto pensiamo: le nane rosse, predilette dagli astronomi a caccia di Terre abitabili per il loro alto numero, sono in grado di spazzare via l'atmosfera dei pianeti che orbitano nella loro fascia abitabile, a colpi di flare
CNN-based Methods for Object Recognition with High-Resolution Tactile Sensors
Creators: name: Gandarias, Juan M.
name: García-Cerezo, Alfonso J.
name: Gómez-de-Gabriel, Jesús M.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Novel high-resolution pressure-sensor arrays allow treating pressure readings as standard images. Computer vision algorithms and methods such as Convolutional Neural Networks (CNN) can be used to identify contact objects. In this paper, a high-resolution tactile sensor has been attached to a robotic end-effector to identify contacted objects. Two CNN-based approaches have been employed to classify pressure images. These methods include a transfer learning approach using a pre-trained CNN on an RGB-images dataset and a custom-made CNN (TactNet) trained from scratch with tactile information. The transfer learning approach can be carried out by retraining the classification layers of the network or replacing these layers with an SVM. Overall, 11 configurations based on these methods have been tested: 8 transfer learning-based, and 3 TactNet-based. Moreover, a study of the performance of the methods and a comparative discussion with the current state-of-the-art on tactile object recognition is presented.
title: Ð¢Ð°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÐµ Ð¿Ð»Ð°ÑÐµÐ¶Ð¸ Ð² Ð¢Ð°Ð¼Ð¾Ð¶ÐµÐ½Ð½Ð¾Ð¼ ÑÐ¾ÑÐ·Ðµ
title: ÑÐ±Ð¾ÑÐ½Ð¸Ðº Ð·Ð°Ð´Ð°Ñ
titleType: Subtitle
Creators: name: Ð¨ÑÐ»ÑÐ³Ð¸Ð½, ÐÐ½Ð°ÑÐ¾Ð»Ð¸Ð¹
Publisher: name: ÐÐ·Ð´-Ð²Ð¾ ÐÐ¾Ð»Ð¸ÑÐµÑÐ½. ÑÐ½-ÑÐ°
Year: 2016
Subjects: ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÐµ Ð¿Ð»Ð°ÑÐµÐ¶Ð¸
ÑÑÐµÐ±Ð½Ð¸ÐºÐ¸ Ð¸ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ñ Ð´Ð»Ñ Ð²ÑÐ·Ð¾Ð²

description: Ð¡Ð¾Ð´ÐµÑÐ¶Ð¸Ñ Ð·Ð°Ð´Ð°ÑÐ¸ Ð¸ Ð¿ÑÐ¸Ð¼ÐµÑÑ Ð¸Ñ ÑÐµÑÐµÐ½Ð¸Ñ Ð¿Ð¾ ÐºÑÑÑÑ Â«ÐÐ°Ð»Ð¾Ð³Ð¸ Ð¸ ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÐµ Ð¿Ð»Ð°ÑÐµÐ¶Ð¸Â», ÑÑÐ¸ÑÑÐ²Ð°ÑÑÐ¸Ðµ ÐºÐ°Ðº Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð¿ÐµÑÐµÐ²Ð¾Ð·ÐºÐ¸ Ð´Ð»Ñ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ ÑÑÐ»Ð¾Ð²Ð¸Ð¹ Ð¿Ð¾ INCOTERMS 2010, ÑÐ°Ðº Ð¸ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ ÑÐ°Ð¼Ð¸Ñ Ð¿ÐµÑÐµÐ¼ÐµÑÐ°ÐµÐ¼ÑÑ ÑÐ¾Ð²Ð°ÑÐ¾Ð². Ð ÑÐ±Ð¾ÑÐ½Ð¸Ðº ÐºÑÐ¾Ð¼Ðµ ÑÑÐ°Ð½Ð´Ð°ÑÑÐ½ÑÑ Ð·Ð°Ð´Ð°Ñ Ð¸ Ð·Ð°Ð´Ð°Ñ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð½Ð¾Ð¹ ÑÐ»Ð¾Ð¶Ð½Ð¾ÑÑÐ¸ Ð²ÐºÐ»ÑÑÐµÐ½Ñ Ð²ÑÐµ Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼ÑÐµ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ (Ð² Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸ÑÑ). Ð¡Ð±Ð¾ÑÐ½Ð¸Ðº Ð·Ð°Ð´Ð°Ñ Ð¿ÑÐµÐ´Ð½Ð°Ð·Ð½Ð°ÑÐµÐ½ Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² 3-Ð³Ð¾ Ð¸ 4-Ð³Ð¾ ÐºÑÑÑÐ¾Ð² Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¾Ð³Ð¾ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑÐ° Ð¸Ð¼. ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾, Ð¾Ð±ÑÑÐ°ÑÑÐ¸ÑÑÑ Ð¿Ð¾ Ð¿ÑÐ¾ÑÐ¸Ð»Ñ Â«ÐÐ¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½Ð¾Ðµ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ ÑÐ°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÐ¼Ð¸ Ð¿ÑÐ¾ÑÐµÑÑÐ°Ð¼Ð¸Â» (Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ 38.03.04.03).
description: ÐÐµÑÐ°ÑÐ°ÐµÑÑÑ Ð¿Ð¾ ÑÐµÑÐµÐ½Ð¸Ñ Ð¡Ð¾Ð²ÐµÑÐ° Ð¿Ð¾ Ð¸Ð·Ð´Ð°ÑÐµÐ»ÑÑÐºÐ¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð£ÑÐµÐ½Ð¾Ð³Ð¾ ÑÐ¾Ð²ÐµÑÐ° Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¾Ð³Ð¾ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑÐ° ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾.
Multi-factor Sequential Re-ranking with Perception-Aware Diversification
Creators: name: Xu, Yue
name: Chen, Hao
name: Wang, Zefan
name: Yin, Jianwen
name: Shen, Qijie
name: Wang, Dimin
name: Huang, Feiran
name: Lai, Lixiang
name: Zhuang, Tao
name: Ge, Junfeng
name: Hu, Xia
Publisher: name: arXiv
Year: 2023
Subjects: subject: Information Retrieval (cs.IR)
subject: FOS: Computer and information sciences

description: Feed recommendation systems, which recommend a sequence of items for users to browse and interact with, have gained significant popularity in practical applications. In feed products, users tend to browse a large number of items in succession, so the previously viewed items have a significant impact on users' behavior towards the following items. Therefore, traditional methods that mainly focus on improving the accuracy of recommended items are suboptimal for feed recommendations because they may recommend highly similar items. For feed recommendation, it is crucial to consider both the accuracy and diversity of the recommended item sequences in order to satisfy users' evolving interest when consecutively viewing items. To this end, this work proposes a general re-ranking framework named Multi-factor Sequential Re-ranking with Perception-Aware Diversification (MPAD) to jointly optimize accuracy and diversity for feed recommendation in a sequential manner. Specifically, MPAD first extracts users' different scales of interests from their behavior sequences through graph clustering-based aggregations. Then, MPAD proposes two sub-models to respectively evaluate the accuracy and diversity of a given item by capturing users' evolving interest due to the ever-changing context and users' personal perception of diversity from an item sequence perspective. This is consistent with the browsing nature of the feed scenario. Finally, MPAD generates the return list by sequentially selecting optimal items from the candidate set to maximize the joint benefits of accuracy and diversity of the entire list. MPAD has been implemented in Taobao's homepage feed to serve the main traffic and provide services to recommend billions of items to hundreds of millions of users every day.
Mars One: l’avventura per Marte finirà in tv
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2014

Sono 705 i candidati che affronteranno le selezioni per diventare, un giorno, i primi astronauti che viaggeranno alla volta di Marte nel 2023 per avviare una colonia permanente. Il biglietto sarà di sola andata e il tutto sarà ripreso dalle telecamere e trasmesso dall'anno prossimo in tutto il mondo.
Freezing of spin dynamics in underdoped cuprates
Creators: name: Sega, I.
name: Prelovsek, P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The Mori's memory function approach to spin dynamics in doped antiferromagnetic insulator combined with the assumption of temperature independent static spin correlations and constant collective mode damping leads to w/T scaling in a broad range. The theory involving a nonuniversal scaling parameter is used to analyze recent inelastic neutron scattering results for underdoped cuprates. Adopting modified damping function also the emerging central peak in low-doped cuprates at low temperatures can be explained within the same framework.
description: 5 pages, 3 figures
Hybrid computational model depicts the contribution of non-significant lobes of human brain during the perception of emotional stimuli
Creators: name: Prasad, Raghavendra
name: Tarai, Shashikanta
name: Bit, Arindam
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Medicine
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Mental Health

description: Emotions are synchronizing responses of human brain while executing cognitive tasks. Earlier studies had revealed strong correlation between specific lobes of the brain to different types of emotional valence. In the current study, a comprehensive three-dimensional mapping of human brain for executing emotion specific tasks had been formulated. A hybrid computational machine learning model customized from Custom Weight Allocation Model (CWAM) and defined as Custom Rank Allocation Model (CRAM). This regression-based hybrid computational model computes the allocated tasks to different lobes of the brain during their respective executive stage. Event Related Potentials (ERP) were obtained with significant effect at P1, P2, P3, N170, N2, and N4. These ERPs were configured at Pz, Cz, F3, and T8 regions of the brain with maximal responses; while regions like Cz, C4 and F4 were also found to make effective contributions to elevate the responses of the brain, and thus these regions were configured as augmented source regions of the brain. In another circumstance of frequent –deviant - equal (FDE) presentation of the emotional stimuli, it was observed that the brain channels C3, C4, P3, P4, O1, O2, and Oz were contributing their emotional quotient to the overall response of the brain regions; whereas, the interaction effect was found presentable at O2, Oz, P3, P4, T8 and C3 regions of brain. The proposed computational model had identified the potential neural pathways during the execution of emotional task.
Conformal Structures Associated to Generic Rank 2 Distributions on 5-Manifolds - Characterization and Killing-Field Decomposition
Creators: name: Hammerl, Matthias
name: Sagerschnig, Katja
Publisher: name: arXiv
Year: 2009
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: Given a maximally non-integrable 2-distribution ${\mathcal D}$ on a 5-manifold $M$, it was discovered by P. Nurowski that one can naturally associate a conformal structure $[g]_{\mathcal D}$ of signature (2,3) on $M$. We show that those conformal structures $[g]_{\mathcal D}$ which come about by this construction are characterized by the existence of a normal conformal Killing 2-form which is locally decomposable and satisfies a genericity condition. We further show that every conformal Killing field of $[g]_{\mathcal D}$ can be decomposed into a symmetry of ${\mathcal D}$ and an almost Einstein scale of $[g]_{\mathcal D}$.
description: Misprints in Theorem B are corrected
Loading atom lasers by collectivity-enhanced optical pumping
Creators: name: Macovei, M. A.
name: Evers, J.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The effect of collectivity on the loading of an atom laser via optical pumping is discussed. In our model, atoms in a beam are laser-excited and subsequently spontaneously decay into a trapping state. We consider the case of sufficiently high particle density in the beam such that the spontaneous emission is modified by the particle interaction. We show that the collective effects lead to a better population of the trapping state over a wide range of system parameters, and that the second order correlation function of the atoms can be controlled by the applied laser field.
description: 5 pages, 7 figures
Una megaterra per HARPS-N
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2014

Grazie allo spettrografo HARPS che guarda nella stessa zona di cielo del satellite della NASA Kepler, gli astronomi del consorzio Italia-USA-Uk-Svizzera hanno potuto trovare un pianeta con una composizione simile alla Terra ma 17 volte più massivo
Resolving the black-hole information paradox by treating time on an equal footing with space
Creators: name: Nikolic, H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Pure states in quantum field theory can be represented by many-fingered block-time wave functions, which treat time on an equal footing with space and make the notions of "time evolution" and "state at a given time" fundamentally irrelevant. Instead of information destruction resulting from an attempt to use a "state at a given time" to describe semi-classical black-hole evaporation, the full many-fingered block-time wave function of the universe conserves information by describing the correlations of outgoing Hawking particles in the future with ingoing Hawking particles in the past.
description: 8 pages, 1 figure, revised, accepted for publication in Phys. Lett. B
High symmetry versus optical isotropy of a negative index metamaterial
Creators: name: Menzel, Christoph
name: Andryieuski, Andrei
name: Rockstuhl, Carsten
name: Iliew, Rumen
name: Malureanu, Radu
name: Lederer, Falk
name: Lavrinenko, Andrei V.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Optically isotropic metamaterials (MMs) are required for the implementation of subwavelength imaging systems. At first glance one would expect that their design should be based on unit cells exhibiting a cubic symmetry being the highest crystal symmetry. It is anticipated that this is a sufficient condition since it is usually assumed that light does not resolve the spatial details of MM but experiences the properties of an effective medium, which is then optically isotropic. In this work we challenge this assumption by analyzing the isofrequency surfaces of the dispersion relation of the split-cube in carcass (SCiC) negative index MM. We show that this MM is basically optically isotropic, but not in the spectral domain where it exhibits negative refraction. The primary goal of this contribution is to introduce a tool that allows to probe a MM against optical isotropy.
title: Ð¡Ð¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð¾Ð¼ Ð² ÐÐÐ "Ð¡ÐµÐ²Ð·Ð°Ð¿Ð¿ÑÐ¾Ð¼ÑÑÑÐ¾Ð¹"
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾ÑÐ¾Ð·Ð¾Ð²Ð°, ÐÐ»ÐµÐ½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2016
Subjects: Ð¿Ð»Ð°Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÐºÐ°ÑÑÐµÑÑ
ÐºÐ°Ð´ÑÐ¾Ð²ÑÐ¹ ÑÐµÐ·ÐµÑÐ²
ÐºÐ°Ð´ÑÐ¾Ð²Ð°Ñ Ð¿Ð¾Ð»Ð¸ÑÐ¸ÐºÐ°
ÐºÐ°ÑÑÐµÑÐ½ÑÐ¹ Ð¿Ð¾ÑÐµÐ½ÑÐ¸Ð°Ð»
career Planning
personnel reserve
personnel policy
career potential

description: Ð Ð¿ÐµÑÐ²Ð¾Ð¹ Ð³Ð»Ð°Ð²Ðµ Ð¾Ð¿Ð¸ÑÑÐ²Ð°ÐµÑÑÑ Ð¾ÑÐ½Ð¾Ð²Ð½Ð°Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ ÐÐÐ "Ð¡ÐµÐ²Ð·Ð°Ð¿Ð¿ÑÐ¾Ð¼ÑÑÑÐ¾Ð¹", Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÑÐµÑÑÑ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÑÑÑÐºÑÑÑÐ°. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð¾Ð¼ Ð½Ð° Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ð¸. ÐÐ¾ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð³Ð»Ð°Ð²Ðµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð°ÑÐ¿ÐµÐºÑÑ Ð¼Ð¾ÑÐ¸Ð²Ð°ÑÐ¸Ð¸ Ð¸ ÑÑÐ¸Ð¼ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÑÑÐ´Ð° Ð² Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸, ÐºÐ¾Ð½ÑÐµÐ¿ÑÐ¸Ð¸ Ð¼Ð¾ÑÐ¸Ð²Ð°ÑÐ¸Ð¸ Ð¸ ÑÑÐ¸Ð¼ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÑÑÐ´Ð¾Ð²Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸, Ð¾ÑÐµÐ½ÐºÐ° ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÐ¸ÑÑÐµÐ¼ Ð¼Ð¾ÑÐ¸Ð²Ð°ÑÐ¸Ð¸ Ð¸ ÑÑÐ¸Ð¼ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÑÑÐ´Ð¾Ð²Ð¾Ð¹ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ Ð² Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸, Ð¸ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð¾ ÐºÐ°Ðº Ð¿ÑÐ¾Ð¸ÑÑÐ¾Ð´Ð¸Ñ ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð¾Ð¼ Ð² Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¸. Ð ÑÑÐµÑÑÐµÐ¹ Ð³Ð»Ð°Ð²Ðµ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¿Ð¾ ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÐµÑÑÐ¾Ð½Ð°Ð»Ð¾Ð¼ Ð¸ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐ°ÑÑÐµÑ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ð¹ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð½ÑÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹.
description: The first Chapter describes the basic activity of "Sevzappromstroy", analyzes the organizational structure. Conducted financial analysis of economic activities. The analysis of the personnel management system in the enterprise. The second Chapter describes the theoretical aspects of motivation and stimulation of labor in the organization, concepts of motivation and stimulation of labor activity, estimation of efficiency of systems of motivation and stimulation of labour activity in the organization, and considered how the creation of an effective system of personnel management in the organization. In the third Chapter, measures for improving the system of personnel management and the calculation of economic efficiency of proposed activities.
Mining Complex Hydrobiological Data with Galois Lattices
Creators: name: Bertaux, Aurélie
name: Braud, AGNès
name: Ber, Florence Le
Publisher: name: arXiv
Year: 2008
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Computer and information sciences
subject: FOS: Biological sciences

description: We have used Galois lattices for mining hydrobiological data. These data are about macrophytes, that are macroscopic plants living in water bodies. These plants are characterized by several biological traits, that own several modalities. Our aim is to cluster the plants according to their common traits and modalities and to find out the relations between traits. Galois lattices are efficient methods for such an aim, but apply on binary data. In this article, we detail a few approaches we used to transform complex hydrobiological data into binary data and compare the first results obtained thanks to Galois lattices.
Exact solution of a two-type branching process: Clone size distribution in cell division kinetics
Creators: name: Antal, Tibor
name: Krapivsky, P. L.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Probability (math.PR)
subject: Cell Behavior (q-bio.CB)
subject: FOS: Biological sciences
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We study a two-type branching process which provides excellent description of experimental data on cell dynamics in skin tissue (Clayton et al., 2007). The model involves only a single type of progenitor cell, and does not require support from a self-renewed population of stem cells. The progenitor cells divide and may differentiate into post-mitotic cells. We derive an exact solution of this model in terms of generating functions for the total number of cells, and for the number of cells of different types. We also deduce large time asymptotic behaviors drawing on our exact results, and on an independent diffusion approximation.
description: 16 pages
Spin induced nonlinearities in the electron MHD regime
Creators: name: Stefan, Martin
name: Brodin, Gert
name: Marklund, Mattias
Publisher: name: arXiv
Year: 2009
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: We consider the influence of the electron spin on the nonlinear propagation of whistler waves. For this purpose a recently developed electron two-fluid model, where the spin up- and down populations are treated as different fluids, is adapted to the electron MHD regime. We then derive a nonlinear Schrodinger equation for whistler waves, and compare the coefficients of nonlinearity with and without spin effects. The relative importance of spin effects depend on the plasma density and temperature as well as the external magnetic field strength and the wave frequency. The significance of our results to various plasmas are discussed.
description: 5 pages
Space, Time and Coordinates in a Rotating World
Creators: name: Dieks, Dennis
Publisher: name: arXiv
Year: 2010
Subjects: subject: Classical Physics (physics.class-ph)
subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: The peculiarities of rotating frames of reference played an important role in the genesis of general relativity. Considering them, Einstein became convinced that coordinates have a different status in the general theory of relativity than in the special theory. This line of thinking was confused, however. To clarify the situation we investigate the relation between coordinates and the results of space-time measurements in rotating reference frames. We argue that the difference between rotating systems (or accelerating systems in general) and inertial systems does not lie in a different status of the coordinates (which are conventional in all cases), but rather in different global chronogeometric properties of the various reference frames. In the course of our discussion we comment on a number of related issues, such as the question of whether a consideration of the behavior of rods and clocks is indispensable for the foundation of kinematics, the influence of acceleration on the behavior of measuring devices, the conventionality of simultaneity, and the Ehrenfest paradox.
Stochastic modeling of chaotic masonry via mesostructural characterization
Creators: name: Lombardo, M.
name: Zeman, J.
name: Sejnoha, M.
name: Falsone, G.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The purpose of this study is to explore three numerical approaches to the elastic homogenization of disordered masonry structures with moderate meso/macro-lengthscale ratio. The methods investigated include a representative of perturbation methods, the Karhunen-Loève expansion technique coupled with Monte-Carlo simulations and a solver based on the Hashin-Shtrikman variational principles. In all cases, parameters of the underlying random field of material properties are directly derived from image analysis of a real-world structure. Added value as well as limitations of individual schemes are illustrated by a case study of an irregular masonry panel.
description: 18 pages, 8 figures
Do dynamic affect measures contribute to the prediction of anxiety and depression symptoms in adolescents?
Creators: name: Achterhof, Robin
name: Simsa, Benjamin
name: Kirtley, Olivia
name: Lafit, Ginette
Publisher: name: OSF Registries
Year: 2023
Subjects: subject: Clinical Psychology
subject: Health Psychology
subject: Developmental Psychology
subject: Social and Behavioral Sciences
subject: Psychology
subject: FOS: Psychology

description: A pre-registration for the Experience Sampling Method study 'Do dynamic affect measures contribute to the prediction of anxiety and depression symptoms in adolescents?'
L’eredità dei Giganti
Creators: Mauro Gargano
Publisher: name: Media Inaf
Year: 2014

Presentato il catalogo dei volumi più antichi dell'INAF - Osservatorio Astronomico di Capodimonte, Le Cinquecentine dell’Osservatorio Astronomico di Capodimonte, curato da Emilia Olostro Cirella e Giovanna Caprio
On the observed distributions of black hole masses and Eddington ratios from radiation pressure corrected virial indicators
Creators: name: Marconi, A.
name: Axon, D.
name: Maiolino, R.
name: Nagao, T.
name: Pietrini, P.
name: Risaliti, G.
name: Robinson, A.
name: Torricelli, G.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The application of the virial theorem to the Broad Line Region of Active Galactic Nuclei allows Black Hole mass estimates for large samples of objects at all redshifts. In a recent paper we showed that ionizing radiation pressure onto BLR clouds affects virial BH mass estimates and we provided empirically calibrated corrections. More recently, a new test of the importance of radiation forces has been proposed: the MBH-sigma relation has been used to estimate MBH for a sample of type-2 AGN and virial relations (with and without radiation pressure) for a sample of type-1 AGN extracted from the same parent population. The observed L/LEdd distribution based on virial BH masses is in good agreement with that based on MBH-sigma only if radiation pressure effects are negligible, otherwise significant discrepancies are observed. In this paper we investigate the effects of intrinsic dispersions associated to the virial relations providing MBH, and we show that they explain the discrepancies between the observed L/LEdd distributions of type-1 and type-2 AGN. These discrepancies in the L/LEdd distributions are present regardless of the general importance of radiation forces, which must be negligible only for a small fraction of sources with large L/LEdd. Average radiation pressure corrections should then be applied in virial MBH estimators until their dependence on observed source physical properties has been fully calibrated. Finally, the comparison between MBH and L/LEdd distributions derived from sigma-based and virial estimators can constrain the variance of BLR physical properties in AGN.
description: Astrophysical Journal Letters, in press
Un gioiello fatto di cinquecentomila stelle
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2014

Centinaia di migliaia di stelle formano lo spettacolare ammasso globulare Messier 3, uno degli oggetti celesti presenti nel cielo serale di questo mese. I consigli per osservarlo, insieme alle costellazioni, ai pianeti e ai principali fenomeni celesti di giugno
Universality of electron-positron distributions in extensive air showers
Creators: name: Lafebre, S.
name: Engel, R.
name: Falcke, H.
name: Hörandel, J.
name: Huege, T.
name: Kuijpers, J.
name: Ulrich, R.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Using a large set of simulated extensive air showers, we investigate universality features of electron and positron distributions in very-high-energy cosmic-ray air showers. Most particle distributions depend only on the depth of the shower maximum and the number of particles in the cascade at this depth. We provide multi-dimensional parameterizations for the electron-positron distributions in terms of particle energy, vertical and horizontal momentum angle, lateral distance, and time distribution of the shower front. These parameterizations can be used to obtain realistic electron-positron distributions in extensive air showers for data analysis and simulations of Cherenkov radiation, fluorescence signal, and radio emission.
description: 13 pages, 22 figures, 1 table
title: ÐÐ½Ð²ÐµÑÑÐ¸ÑÐ¸Ð¸ Ð² ÐºÐ¾Ð¼Ð¼ÐµÑÑÐµÑÐºÐ¸Ðµ Ð¸Ð½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¸ Ð² ÑÐ¾ÑÐ³Ð¾Ð²Ð»Ðµ
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð¤Ð»Ð¾ÑÐ¾Ð²Ð°, ÐÐ°ÑÐ³Ð°ÑÐ¸ÑÐ°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð¸Ð½Ð²ÐµÑÑÐ¸ÑÐ¸Ð¸
ÐºÐ¾Ð¼Ð¼ÐµÑÑÐµÑÐºÐ¸Ðµ Ð¸Ð½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¸
ÑÐ¾ÑÐ³Ð¾Ð²Ð»Ñ
Ð¸Ð½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ðµ Ð¸Ð½Ð²ÐµÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ

description: ÐÑÐ¿Ð¾Ð»Ð½ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼ Ð¸Ð½Ð²ÐµÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð² Ð¸Ð½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¸ Ð² Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ Ð¤ÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸, Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð° Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ ÑÐ¾ÑÐ³Ð¾Ð²Ð¾Ð¹ ÑÐ¸ÑÐ¼Ñ Â«Ð¡Ð¼Ð°ÑÑ Ð¤ÑÐ¼Ð¸Ð»Ð¸Â», Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ñ Ð¸Ð½Ð½Ð¾Ð²Ð°ÑÐ¸Ð¸ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¸ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ ÑÐ°ÑÐ°ÐºÑÐµÑÐ°, Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½Ð¾ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ðµ Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð½ÑÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹.
Brasile 2014: la scienza va in palla
Creators: Davide Coero Borga
Publisher: name: Media Inaf
Year: 2014

Come è ormai tradizione, la nuova versione del pallone della Coppa del Mondo provoca scalpore e anche i fisici, a partire da Stephen Hawking,  ci mettono il loro, e il dialogo scientifico rischia di finire in una zuffa da Bar Sport
Exotic E11 branes as composite gravitational solutions
Creators: name: Cook, Paul P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A two-parameter group element is presented that interpolates between M-brane solutions. The group element is used to interpret a number of exotic branes related to the generators of the adjoint representation of E11 as non-marginal half-BPS bound states of M-branes. It is conjectured that the adjoint representation of E11 contains only generators related to bound states of fundamental M-branes which, in the limit, may be understood as membrane molecules.
description: 47 pages, 2 figures, references added
Una stella in fuga dal magnete
Creators: Giulia Bonelli
Publisher: name: Media Inaf
Year: 2014

Un gruppo di ricerca guidato dalla Open University ha scoperto la provenienza di una magnetar appartenente all’ammasso di stelle Westerlund 1. I risultati, ottenuti grazie al VLT dell’ESO, fanno pensare che questi potenti oggetti celesti derivino da sistemi binari di stelle. Il commento di Paolo Esposito dell’INAF-IASF di Milano
Formazione stellare batte buchi neri 6 a 4
Creators: Marco Galliani
Publisher: name: Media Inaf
Year: 2014

Nei primi miliardi di anni dell’Universo, neanche i buchi neri supermassicci sono stati in grado di bloccare in modo efficiente il forsennato processo di formazione stellare presente nelle prime galassie. Questo lo scenario che emerge da uno studio a guida INAF in pubblicazione sulla rivista MNRAS
title: ÐÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ Ð¿Ð¾ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ ÐºÑÑÑÐ¾Ð²ÑÑ ÑÐ°Ð±Ð¾Ñ, Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÑÑÐ¸Ñ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
Creators: name: ÐÐ¸Ð´ÐµÐ½ÐºÐ¾, ÐÐ¸ÐºÐ¾Ð»Ð°Ð¹
name: Ð¡ÐºÑÐ¸Ð¿Ð½ÑÐº, ÐÐ¶Ð°Ð¼Ð¸Ð»Ñ
name: ÐÐ¸ÐºÐºÐ°Ñ, ÐÑÐµÐ½Ð¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
Ð²ÑÑÑÐµÐµ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ðµ
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Fluctuation theorems in driven open quantum systems
Creators: name: Talkner, Peter
name: Campisi, Michele
name: Hänggi, Peter
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The characteristic function for the joint measurement of the changes of two commuting observables upon an external forcing of a quantum system is derived. In particular, the statistics of the internal energy, the exchanged heat and the work of a quantum system that {\it weakly} couples to its environment is determined in terms of the energy changes of the system and the environment due to the action of a classical, external force on the system. If the system and environment initially are in a canonical equilibrium, the work performed on the system is shown to satisfy the Tasaki-Crooks theorem and the Jarzynski equality.
description: 12 pages
Inner brane: A D3-brane in the Nappi-Witten model from an inner group automorphism
Creators: name: Cheung, Yeuk-Kwan E.
name: Freidel, Laurent
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Geometric Topology (math.GT)
subject: Operator Algebras (math.OA)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: WZW models are abstract conformal field theories with an infinite dimensional symmetry which accounts for their integrability, and at the same time they have a sigma model description of closed string propagation on group manifolds which, in turn, endows the models with an intuitive geometric meaning. We exploit this dual algebraic and geometric property of WZW models to construct an explicit example of a field-dependent reflection matrix for open-strings in Nappi-Witten model. Demanding the momentum outflow at the boundary to be zero determines a certain combination of the left and right chiral currents at the boundary. This same reflection matrix is obtained algebraically from an inner automorphism, giving rise to a space-filling D-brane. Half of the infinite dimensional affine Kac-Moody symmetry present in the closed-string theory is preserved by this unique combination of the left and the right chiral currents. The OPEs of these boundary currents are computed explicitly and they are showed to obey the same current algebra as those of the closed-string chiral currents. Different choices of the inner automorphisms correspond to different background gauge field configurations. Only those B-field configurations, and the corresponding D-branes, that preserve the diagonal part of the infinite dimensional chiral algebras are allowed. In this way the existence of the D-branes in curved spaces is further constrained by the underlying symmetry of the ambient spacetime.
description: title and abstract changed; improved presentation; references added; version to appear in PRD