cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: ÐÐ¸Ð½Ð°Ð¼Ð¸ÐºÐ° ÑÑÐ¸ÐºÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ
title: [Ð¼Ð¾Ð½Ð¾Ð³ÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: ÐÑÑÐ°Ð»Ð¸Ð¼Ð¾Ð², ÐÐ¸ÐºÑÐ¾Ñ
name: ÐÐ°Ð»ÐµÑÐ¾Ð², ÐÑÑÐµÑÐ»Ð°Ð²
Publisher: name: ÐÐÐÐ°Ñ
Year: 2006
Subjects: Ð¢ÑÐ¸Ð±Ð¾Ð½Ð¸ÐºÐ°

description: Ð Ð¸Ð·Ð´Ð°Ð½Ð¸Ð¸ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ Ð½Ð¾Ð²ÑÐµ Ð¿Ð¾Ð´ÑÐ¾Ð´Ñ Ðº Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð¸ ÑÐ²Ð»ÐµÐ½Ð¸Ð¹, Ð¸Ð¼ÐµÑÑÐ¸Ñ Ð¼ÐµÑÑÐ¾ Ð¿ÑÐ¸ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¿Ð¾Ð´Ð²Ð¸Ð¶Ð½ÑÑ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² Ð¼Ð°ÑÐ¸Ð½ Ð¸ Ð¿ÑÐ¸Ð±Ð¾ÑÐ¾Ð². ÐÐ¿Ð¸ÑÐ°ÑÑÑ, Ð² Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ð¼, Ð½Ð° ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½ÑÑ Ð±Ð°Ð·Ñ, Ð°Ð²ÑÐ¾ÑÑ Ð¾ÑÑÐ°Ð·Ð¸Ð»Ð¸ ÑÐ²Ð¾Ð¹ Ð¾Ð¿ÑÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÑÐ¸ÐºÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð²Ð·Ð°Ð¸Ð¼Ð¾Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸ÐµÐ¼ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÑ ÐºÐ¾Ð¼Ð¿ÑÑÑÐµÑÐ½ÑÑ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¹ - ÑÑÐ¾ Ð¾ÑÐ¸Ð³Ð¸Ð½Ð°Ð»ÑÐ½ÑÐµ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ Ð¾ÑÐ¸ÑÑÐ¾Ð²ÐºÐ¸ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½ÑÑ Ð´Ð°Ð½Ð½ÑÑ; Ð¿Ð°ÐºÐµÑÑ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼ Ð°Ð½Ð°Ð»Ð¸Ð·Ð°, Ð¸Ð´ÐµÐ½ÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¸ Ð¸ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¸ÑÑÐµÐ¼ (MATLAB); Ð¿Ð°ÐºÐµÑÑ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼ Wavelet Toolbox; Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ ÑÑÐ°ÐºÑÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð°Ð½Ð°Ð»Ð¸Ð·Ð°. Ð Ð°ÑÂ­ÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð²Ð¾Ð¿ÑÐ¾ÑÑ Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¼Ð¸ÐºÑÐ¾Ð³ÐµÐ¾Ð¼ÐµÑÑÐ¸Ð¸ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ¸ÑÑÑÑÐ¸Ñ Ð¿Ð¾Ð²ÐµÑÑÐ½Ð¾ÑÑÐµÐ¹. ÐÐ·Ð´Ð°Ð½Ð¸Ðµ Ð¼Ð¾Ð¶ÐµÑ Ð±ÑÑÑ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¾ ÐºÐ°Ðº ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² Ð¿Ð¾ ÑÐ¿ÐµÑÐ¸Ð°Ð»ÑÐ½Ð¾ÑÑÐ¸ Â«Ð¢ÑÐ¸Ð±Ð¾ÑÐµÑÐ½Ð¸ÐºÐ°Â», Ð° ÑÐ°ÐºÐ¶Ðµ Ð¼Ð°Ð³Ð¸ÑÑÑÐ¾Ð² Ð¿Ð¾ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ðµ Â«ÐÐµÑÐ¾Ð´Ñ Ð¸ ÑÑÐµÐ´ÑÑÐ²Ð° Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¾Ð¿ÑÐ¾ÑÐ¸Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð² Ð¿ÑÐ¸Ð±Ð¾ÑÐ¾Ð²Â».
title: ÐÑ ÑÐ°Ð½Ð½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð´Ð°ÑÑÐ¸ÐºÐ° Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ñ
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÑÐ¸Ð¹Ñ, ÐÐ¾Ð½ÑÑÐ°Ð½ÑÐ¸Ð½
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: Ð¾Ñ ÑÐ°Ð½Ð½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð°
Ð´Ð°ÑÑÐ¸Ðº Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ñ
Ð²ÐµÐ±-ÐºÐ°Ð¼ÐµÑÐ°
Ð²Ð¸Ð´ÐµÐ¾ÑÐµÐ³Ð¸ÑÑÑÐ°ÑÐ¸Ñ
security system
motion sensor
webcam
video recording

description: ÐÐ±ÑÐµÐºÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ²Ð»ÑÐµÑÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¾ÑÑÐ°Ð½Ð½Ð¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð´Ð°ÑÑÐ¸ÐºÐ° Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ñ. ÐÑÐ¸ ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ð¸ ÑÐ¸ÑÑÐµÐ¼Ñ Ð±ÑÐ»Ð¸ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÐ½ÑÐµ Ð¸ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½ÑÐµ ÑÑÐµÐ´ÑÑÐ²Ð°. ÐÐµÑÐ²Ð¾Ðµ Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸Ðµ ÑÐ¾ ÑÑÐ¾ÑÐ¾Ð½Ñ Raspberry Pi Ð´Ð¾Ð»Ð¶Ð½Ð¾ Ð¿ÑÐµÐ´Ð¾ÑÑÐ°Ð²Ð»ÑÑÑ Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÐµÐ»Ñ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ ÑÐ°ÑÑÑÐ¾ÑÐ½Ð¸Ñ ÑÑÐ°Ð±Ð°ÑÑÐ²Ð°Ð½Ð¸Ñ Ð´Ð°ÑÑÐ¸ÐºÐ°. ÐÑÐ¾ÑÐ¾Ðµ Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸Ðµ Ð´Ð¾Ð»Ð¶Ð½Ð¾ Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÑÑ ÑÑÐ°Ð½ÑÐ»Ð¸ÑÐ¾Ð²Ð°ÑÑ Ð²Ð¸Ð´ÐµÐ¾Ð¿Ð¾ÑÐ¾Ðº Ñ Ð²ÐµÐ±-ÐºÐ°Ð¼ÐµÑÑ Ð² ÑÐµÑÑ. Ð¢ÑÐµÑÑÐµ Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸Ðµ Ð´Ð¾Ð»Ð¶Ð½Ð¾ Ð¾Ð±ÑÐµÐ´Ð¸Ð½ÑÑÑ ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾ÑÑÑ Ð¿ÑÐµÐ´ÑÐ´ÑÑÐ¸Ñ Ð¿ÑÐ¸Ð»Ð¾Ð¶ÐµÐ½Ð¸Ð¹ Ð¸ Ð²ÑÐ¿Ð¾Ð»Ð½ÑÑÑ ÑÐ°Ð±Ð¾ÑÑ Ð¿Ð¾ Ð²Ð¸Ð´ÐµÐ¾ÑÐµÐ³Ð¸ÑÑÑÐ°ÑÐ¸Ð¸ Ñ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ð¼ ÑÑÐ°Ð±Ð°ÑÑÐ²Ð°Ð½Ð¸ÐµÐ¼ Ð² ÑÐµÐ¶Ð¸Ð¼Ðµ ÑÐµÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð²ÑÐµÐ¼ÐµÐ½Ð¸. Ð ÐºÐ°ÑÐµÑÑÐ²Ðµ Ð¿ÑÐ¸Ð¼ÐµÑÐ° Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ ÑÑÐµÐ±ÑÐµÑÑÑ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶Ð¸ÑÑ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÑ ÑÐ°Ð·ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÐµÐ¼Ð¾Ð³Ð¾ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÐ½Ð¾Ð³Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ° Ð½Ð° Ð¾Ð±ÑÐµÐºÑÐµ/Ð² Ð¿Ð¾Ð¼ÐµÑÐµÐ½Ð¸Ð¸. ÐÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼Ð¾ ÑÐ¾ÑÑÐ°Ð²Ð¸ÑÑ ÑÑÐµÐ½Ð°ÑÐ¸Ð¹ Ð´Ð°Ð»ÑÐ½ÐµÐ¹ÑÐµÐ³Ð¾ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð¿ÑÐ¾ÐµÐºÑÐ°. Ð¡Ð¾Ð·Ð´Ð°Ð½Ð½Ð°Ñ ÑÐ¸ÑÑÐµÐ¼Ð° Ð¾ÑÐ²ÐµÑÐ°ÐµÑ Ð²ÑÐµÐ¼ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÐ¼ ÑÑÐ°Ð½Ð´Ð°ÑÑÐ°Ð¼.
description: The object of the study is to develop a security system based on motion sensor. The system was reviewed hardware and software. The first app from the Raspberry Pi must provide the user ability to set the sensing distance of the sensor. The second application should allow you to broadcast video stream from a webcam to the network. Third, the app should combine the functionality of legacy applications and to perform work on video with automatic triggering in real time. As an example of practical application is required to offer installation of the developed hardware system on the object/room. You need to make the scenario of the further development and application of the project. Created system meets all modern standards.
Additional file 1 of Fatty acid- and retinol-binding protein 6 does not control worm fatty acid content in Caenorhabditis elegans but might play a role in Haemonchus contortus parasitism
Creators: name: Wu, Fei
name: Wei, Haidian
name: Chen, Xueqiu
name: Du, Zhendong
name: Huang, Yan
name: Shi, Hengzhi
name: Yang, Yi
name: Du, Aifang
name: Ma, Guangxu
Publisher: name: figshare
Year: 2023
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 1: Table S1. Primer sets used for protein expression and RNA interference experiments.
Proton decay from the isoscalar giant dipole resonance in $^{58}$Ni
Creators: name: Hunyadi, M.
name: Hashimoto, H.
name: Li, T.
name: Akimune, H.
name: Fujimura, H.
name: Fujiwara, M.
name: Gacsi, Z.
name: Garg, U.
name: Hara, K.
name: Harakeh, M. N.
name: Hoffman, J.
name: Itoh, M.
name: Murakami, T.
name: Nakanishi, K.
name: Nayak, B. K.
name: Okumura, S.
name: Sakaguchi, H.
name: Terashima, S.
name: Uchida, M.
name: Yasuda, Y.
name: Yosoi, M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Proton decay from the 3$\hbarω$ isoscalar giant dipole resonance (ISGDR) in $^{58}$Ni has been measured using the ($α,α'p$) reaction at a bombarding energy of 386 MeV to investigate its decay properties. We have extracted the ISGDR strength under the coincidence condition between inelastically scattered $α$ particles at forward angles and decay protons emitted at backward angles. Branching ratios for proton decay to low-lying states of $^{57}$Co have been determined, and the results compared to predictions of recent continuum-RPA calculations. The final-state spectra of protons decaying to the low-lying states in $^{57}$Co were analyzed for a more detailed understanding of the structure of the ISGDR. It is found that there are differences in the structure of the ISGDR as a function of excitation energy.
description: Minor changes after review. Accepted for publication in Phys. Rev. C. 19 pages; 7 figures
Exciton-Exciton transitions involving strongly bound excitons: an ab initio approach
Creators: name: Sangalli, D.
name: D'Alessandro, M.
name: Attaccalite, C.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: In pump-probe spectroscopy, two laser pulses are employed to garner dynamical information from the sample of interest. The pump initiates the optical process by exciting a portion of the sample from the electronic ground state to an accessible electronic excited state, an exciton. Thereafter, the probe interacts with the already excited sample. The change in the absorbance after pump provides information on transitions between the excited states and their dynamics. In this work we study these exciton-exciton transitions by means of an ab initio real time propagation scheme based on dynamical Berry phase formulation. The results are then analyzed taking advantage of a Fermi-golden rule approach formulated in the excitonic basis-set and in terms of the symmetries of the excitonic states. Using bulk LiF and 2D hBN as two prototype materials, we discuss the selection rules for transitions involving strongly bound excitons, for which the hydrogen model cannot be used.
Assessing the Performance of Recent Density Functionals for Bulk Solids
Creators: name: Csonka, Gabor I.
name: Perdew, John P.
name: Ruzsinszky, Adrienn
name: Philipsen, Pier H. T.
name: Lebegue, Sebastien
name: Paier, Joachim
name: Vydrov, Oleg A.
name: Angyan, Janos G.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We assess the performance of recent density functionals for the exchange-correlation energy of a nonmolecular solid, by applying accurate calculations with the GAUSSIAN, BAND, and VASP codes to a test set of 24 solid metals and non-metals. The functionals tested are the modified Perdew-Burke-Ernzerhof generalized gradient approximation (PBEsol GGA), the second-order GGA (SOGGA), and the Armiento-Mattsson 2005 (AM05) GGA. For completeness, we also test more-standard functionals: the local density approximation, the original PBE GGA, and the Tao-Perdew-Staroverov-Scuseria (TPSS) meta-GGA. We find that the recent density functionals for solids reach a high accuracy for bulk properties (lattice constant and bulk modulus). For the cohesive energy, PBE is better than PBEsol overall, as expected, but PBEsol is actually better for the alkali metals and alkali halides. For fair comparison of calculated and experimental results, we consider the zero-point phonon and finite-temperature effects ignored by many workers. We show how Gaussian basis sets and inaccurate experimental reference data may affect the rating of the quality of the functionals. The results show that PBEsol and AM05 perform somewhat differently from each other for alkali metal, alkaline earth metal and alkali halide crystals (where the maximum value of the reduced density gradient is about 2), but perform very similarly for most of the other solids (where it is often about 1). Our explanation for this is consistent with the importance of exchange-correlation nonlocality in regions of core-valence overlap.
description: 32 pages, single pdf file
Spectrum of collective excitations of a quantum fluid of polaritons
Creators: name: Claude, Ferdinand
name: Jacquet, Maxime J.
name: Carusotto, Iacopo
name: Glorieux, Quentin
name: Giacobino, Elisabeth
name: Bramati, Alberto
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We use a recently developed high-resolution coherent probe spectroscopy method to investigate the dispersion of collective excitations of a polaritonic quantum fluid. We measure the dispersion relation with high energy and wavenumber resolution, which allows us to determine the speed of sound in the fluid and to evidence the contribution of an excitonic reservoir. We report on the generation of collective excitations at negative energies, on the ghost branch of the dispersion curve. Precursors of dynamical instabilities are also identified. Our methods open the way to the precise study of quantum hydrodynamics of quantum fluids of light.
title: ÐÐ½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð¿ÑÐ¾ÑÐµÑÑÑ Ð² Ð¼Ð¸ÑÐ¾Ð²Ð¾Ð¹ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐµ Ð² ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð³Ð»Ð¾Ð±Ð°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¾ÑÐ¾Ð»ÐµÐ²Ð°, ÐÐ¸ÐºÑÐ¾ÑÐ¸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: 2017
Subjects: Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ñ
Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÐ¹ Ð¿ÑÐ¾ÑÐµÑÑ
Ð¡ÐÐ
Ð¢Ð°Ð¼Ð¾Ð¶ÐµÐ½Ð½ÑÐ¹ ÑÐ¾ÑÐ·
ÐÐ²ÑÐÐ·Ð­Ñ

description: ÐÐ±ÑÐµÐºÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ â Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð¿ÑÐ¾ÑÐµÑÑÑ Ð½Ð° Ð¼Ð¸ÑÐ¾Ð²Ð¾Ð¼ ÑÑÐ¾Ð²Ð½Ðµ. Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ: Ð²ÑÑÐ²Ð¸ÑÑ Ð¿ÐµÑÑÐ¿ÐµÐºÑÐ¸Ð²Ñ ÑÐ°ÑÑÐ¸ÑÐµÐ½Ð¸Ñ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¸ Ð Ð¾ÑÑÐ¸Ð¸ Ð¸ Ð´ÑÑÐ³Ð¸Ñ ÑÑÑÐ°Ð½ Ð¡ÐÐ. Ð Ð¿ÐµÑÐ²Ð¾Ð¹ Ð³Ð»Ð°Ð²Ðµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð° ÑÑÑÐ½Ð¾ÑÑÑ Ð¸ Ð¿Ð¾Ð½ÑÑÐ¸Ðµ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð², Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ ÑÐ¸Ð¿Ñ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¸. ÐÐ¾ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð³Ð»Ð°Ð²Ðµ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð² ÐÐ²ÑÐ¾Ð¿ÐµÐ¹ÑÐºÐ¾Ð¼ ÑÐ¾ÑÐ·Ðµ; Ð²ÑÑÐ²Ð»ÐµÐ½Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð² ÑÐ°Ð¼ÐºÐ°Ñ ÐÐ²ÑÐÐ·Ð­Ñ; ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼Ñ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² Ð² ÑÐ°Ð¼ÐºÐ°Ñ Ð¡ÐÐ, Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¸ Ð² ÑÐ°Ð¼ÐºÐ°Ñ ÑÐ¾ÑÐ·Ð° Ð Ð¾ÑÑÐ¸Ð¸, ÐÐµÐ»Ð°ÑÑÑÐ¸, ÐÐ°Ð·Ð°ÑÑÑÐ°Ð½Ð°. Ð ÑÑÐµÑÑÐµÐ¹ Ð³Ð»Ð°Ð²Ðµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ Ð¸ Ð¿ÐµÑÑÐ¿ÐµÐºÑÐ¸Ð²Ñ Ð¸Ð½ÑÐµÐ³ÑÐ°ÑÐ¸Ð¸ Ð² ÑÐ°Ð¼ÐºÐ°Ñ ÑÐ¾ÑÐ·Ð° Ð Ð¾ÑÑÐ¸Ð¸, ÐÐµÐ»Ð°ÑÑÑÐ¸, ÐÐ°Ð·Ð°ÑÑÑÐ°Ð½Ð°.
Spin edge states: an exact solution and oscillations of the spin current
Creators: name: Grigoryan, V. L.
name: Abiague, A. Matos
name: Badalyan, S. M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the spin edge states, induced by the combined effect of spin-orbit interaction (SOI) and hard-wall confining potential, in a two-dimensional electron system, exposed to a perpendicular magnetic field. We find an exact solution of the problem and show that the spin resolved edge states are separated in space. The SOI generated rearrangement of the spectrum results in a peaked behavior of the net spin current versus the Fermi energy. The predicted oscillations of the spin current with a period, determined by the SOI renormalized cyclotron energy, can serve as an effective tool for controlling the spin motion in spintronic devices.
description: 5 pages, Phys. Rev. B 2009
Analysis of queueing system with discrete autoregressive arrivals having DML as marginal distribution
Creators: name: Abraham, Bindu Abraham
name: Jose, Kanichukattu Korakutty
Publisher: name: Dep. of Statistical Sciences "Paolo Fortunati", Università di Bologna
Year: 2013
Subjects: Discrete Autoregressive process of order 1[DAR(1)]; Discrete Mittag-Leer distribution (DML);multiserver queue; ATM multiplexer; Matrix analytic methods

description: In this paper we analyze DAR(1)/D/s Queue with Discrete Mittag-Leffler [DML(α)] as marginal distribution. Simulation study of the sample path of the arrival process is conducted. For this queueing system, the stationary distribution of the system size and the waiting time distribution of an arbitrary packet is obtained with the help of matrix analytic methods and Markov regenerative theory. The quantitative effect of the stationary distribution on system size, waiting time and  the autocorrelation function as well as the parameters of the input traffic is illustrated empirically. The model is applied to a real data on the passenger arrivals at a subway bus terminal in Santiago de Chile and is established that the model well suits this data.
description: Statistica, Vol 73, No 3 (2013)
Work Function of Strongly Magnetized Neutron Star Crustal Matter and the Associated Magneto-Sphere
Creators: name: Ghosh, Arpita
name: Chakrabarty, Somenath
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Nuclear Theory (nucl-th)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Following an extremely interesting idea \cite{R1}, published long ago, the work function at the outer crust region of a strongly magnetized neutron star is obtained using relativistic version of Thomas-Fermi type model. In the present scenario, the work function becomes anisotropic; the longitudinal part is an increasing function of magnetic field strength, whereas the transverse part diverges. An approximate estimate of the electron density in the magnetosphere due to field emission and photo emission current, from the polar cap region are obtained.
description: 4 pages REVTEX with three .eps figures
Investments in renewable energy sources: the relationship with nuclear power consumptions
Creators: name: Romano, Antonio Angelo
name: Scandurra, Giuseppe
Publisher: name: Dep. of Statistical Sciences "Paolo Fortunati", Università di Bologna
Year: 2013
Subjects: Sustainable Energy; Factorial Analysis; Dynamic model; Renewable Energy Sources;

description: The aimof this study is to analyze the driving of investment in renewable energy sources in countries with, or without, nuclear power plants. To address these issues, a dynamic panel analysis of the renewable investment in a sample of 29 countries is proposed. Results demonstrate that investments in renewable sources present an inverse relationship with share of nuclear power generation in countries with nuclear power plants but in the countries with power generation based on fossil fuel, investments in renewable sources depend on GDP and technological efficiency. Results also show that energy sustainability passes through the use of renewable resources that can complement the nuclear technology on condition that both exceed their limits.
description: Statistica, Vol 73, No 3 (2013)
Radar Range Deception with Time-Modulated Scatterers
Creators: name: Kozlov, V.
name: Vovchuk, D.
name: Ginzburg, P.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Modern radar systems are designed to have high Doppler tolerance to detect fast-moving targets. This means range and Doppler estimations are inevitably coupled, opening pathways to concealing objects by imprinting artificial Doppler signatures on the reflected echoes. Proper temporal control of the backscattered phase can cause the investigating radar to estimate wrong range and velocity, thus cloaking the real position and trajectory of the scatterer. This deception method is exploited here theoretically for arbitrary Doppler tolerant waveforms and then tested experimentally on an example of the linear frequency modulated radar, which is the most common waveform of that class used in practice. The method allows retaining radio silence with a semi passive (battery assisted) approach that can work well with time-dependent metasurfaces. Furthermore, as an insight into new capabilities, we demonstrate that temporally concealed objects could even be made to appear closer than they truly are without violating the laws of relativity.
title: The monitoring of legislative omission by the consitutional judiciary a comparative study
Creators: name: Mohammed, Abdulhaleem Qasim Mohammed
Publisher: name: University of Reading
Year: 2019

description: Constitutional review usually focuses on the positive actions of lawmakers in relation to enacted legislation. However, can constitutional violations arise out of the negative actions of the lawmakers? This situation may be called "legislative omission" which happens when the lawmakers breach their duty to enact laws required by the constitution. If the negative actions of lawmakers can cause constitutional violations, how can this kind of violations be reviewed? The constitutional judiciary may adopt this mission in some countries as a kind of constitutional review, and some other countries regulate specifically the method of practising this monitoring. However, recognising and monitoring this kind of constitutional violation is still relatively new and even identifying this problem is still not clear enough. Thus, this thesis is an attempt to clarify this legal phenomenon deeply by studying several issues related to its definition, types, and identifying the reasons which cause it, on one side. Then it is an attempt to examine the role of the constitutional judiciary to remedy this problem, the kinds of decisions which may be issued by judges in this context and how can this kind of monitoring be justified, on another side.
A Multi-Color Optical Survey of the Orion Nebula Cluster. Part I: the Catalog
Creators: name: Da Rio, Nicola
name: Robberto, Massimo
name: Soderblom, David R.
name: Panagia, Nino
name: Hillenbrand, Lynne A.
name: Palla, Francesco
name: Stassun, Keivan
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present U, B, V, I broad-band, 6200A TiO medium-band and Halpha photometry of the Orion Nebula Cluster obtained with the WFI imager at the ESO/MPI 2.2 telescope. The nearly-simultaneous observations cover the entire ONC in a field of about 34x34 arcmin. They enable us to determine stellar colors avoiding the additional scatter in the photometry induced by stellar variability typical of pre-main sequence stars. We identify 2,612 point-like sources in I band, 58%, 43% and 17% of them detected also in V, B and U, respectively. 1040 sources are identified in Halpha band. In this paper we present the observations, the calibration techniques, and the resulting catalog. We show the derived CMD of the population and discuss the completeness of our photometry. We define a spectro-photometric TiO index from the fluxes in V, I, and TiO-band. We find a correlation between the index and the spectral type valid for M-type stars, that is accurate to better than 1 spectral sub-class for M3-M6 types and better than 2 spectral subclasses for M0-M2 types. This allows us to newly classify 217 stars. We subtract from our Halpha photometry the photospheric continuum at its wavelength, deriving calibrated line excess for the full sample. This represents the largest Halpha star catalog obtained to date on the ONC. This data set enables a full re-analysis of the properties of the Pre-Main Sequence population in the Orion Nebula Cluster to be presented, in an accompanying paper.
description: 15 pages, 15 figures. To be published in The Astrophysical Journal Supplement Series
Improved class of estimators of finite population mean using sampling fracttion and information on two auxiliary variables in sample surveys
Creators: name: H. Singh, Housila P.
name: Rathour, Anjana
name: Solanki, Ramkrishna S. S.
Publisher: name: Dep. of Statistical Sciences "Paolo Fortunati", Università di Bologna
Year: 2013
Subjects: Study variable; two auxiliary variable; Bias; mean square error; simple random sampling

description: This paper suggested a generalized class of estimators using information on two auxiliary va-riables and sampling fraction in simple random sampling. The bias and mean squared error for-mulae of suggested class have been derived under large sample approximation and compared with usual unbiased estimator and Singh’s (1967) ratio-cum-product estimator. The theoretical findings have been satisfied with an empirical study.
description: Statistica, Vol 73, No 3 (2013)
title: Ð¡ÑÑÐ°ÑÐµÐ³Ð¸Ð¸ Ð¸Ð½Ð´Ð¸Ð²Ð¸Ð´ÑÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð²ÑÑÑÐµÐ³Ð¾ Ð¸Ð½Ð¾ÑÐ·ÑÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾-Ð¾ÑÐ¸ÐµÐ½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ñ: Ð¿Ð¾Ð´Ñ Ð¾Ð´Ñ, Ð¼ÐµÑÐ¾Ð´Ñ, ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸
title: Ð¼Ð¾Ð½Ð¾Ð³ÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: ÐÐ»Ð¼Ð°Ð·Ð¾Ð²Ð°, ÐÐ°Ð´ÐµÐ¶Ð´Ð°
name: Ð ÑÐ±ÑÐ¾Ð²Ð°, ÐÐ½Ð½Ð°
name: ÐÑÑÐ»Ð¾Ð²Ð°, ÐÐ»ÐµÐ½Ð°
name: ÐÑÐµÐ¼Ð¸Ð½, Ð®ÑÐ¸Ð¹
name: Ð¡Ð¼Ð¾Ð»ÑÑÐºÐ°Ñ, ÐÐ°ÑÐ°Ð»Ð¸Ñ
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2020
Subjects: Ð²ÑÑÑÐµÐµ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ðµ
Ð¿ÑÐ¾ÑÐµÑÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾-Ð¾ÑÐ¸ÐµÐ½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ðµ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ðµ
Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½ÑÐµ ÑÐ·ÑÐºÐ¸
Ð¾Ð±ÑÑÐµÐ½Ð¸Ðµ

description: Ð Ð¼Ð¾Ð½Ð¾Ð³ÑÐ°ÑÐ¸ÑÐµÑÐºÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¸ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÑÑ Ð²Ð¾Ð¿ÑÐ¾ÑÑ Ð¸Ð½Ð´Ð¸Ð²Ð¸Ð´ÑÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð²ÑÑÑÐµÐ³Ð¾ Ð¸Ð½Ð¾ÑÐ·ÑÑÐ½Ð¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾-Ð¾ÑÐ¸ÐµÐ½ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾
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ÐºÐ°Ðº ÑÐ°ÐºÑÐ¾ÑÐ° Ð¸Ð½Ð´Ð¸Ð²Ð¸Ð´ÑÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð¸Ð·ÑÑÐµÐ½Ð¸Ñ Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½Ð¾Ð³Ð¾ ÑÐ·ÑÐºÐ°
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Ð² ÐºÑÑÑÐ°Ñ Ð»ÐµÐºÑÐ¸Ð¹ Ð¿Ð¾ Ð¼ÐµÑÐ¾Ð´Ð¸ÐºÐµ Ð¾Ð±ÑÑÐµÐ½Ð¸Ñ Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½Ð¾Ð¼Ñ ÑÐ·ÑÐºÑ, Ð½Ð° ÐºÑÑÑÐ°Ñ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¸, Ð¿ÑÐ¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐµ ÑÑÐµÐ±Ð½ÑÑ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼ Ð¸ ÑÑÐµÐ±Ð½Ð¾-Ð¼ÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ð¹.
Feasibility and stability in large Lotka Volterra systems with interaction structure
Creators: name: Liu, Xiaoyuan
name: Constable, George W. A.
name: Pitchford, Jonathan W.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: Complex system stability can be studied via linear stability analysis using Random Matrix Theory (RMT) or via feasibility (requiring positive equilibrium abundances). Both approaches highlight the importance of interaction structure. Here we show, analytically and numerically, how RMT and feasibility approaches can be complementary. In generalised Lotka-Volterra (GLV) models with random interaction matrices, feasibility increases when predator-prey interactions increase; increasing competition/mutualism has the opposite effect. These changes have crucial impact on the stability of the GLV model.
description: Manuscript is 8 pages long, containing 4 figures. Pages 9 to 25 is the Supplemental Material
Bouncing universe from a modified dispersion relation
Creators: name: Ling, Yi
name: Li, Wei-Jia
name: Wu, Jian-Pin
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this paper we argue that modified Friedmann equations with a bounce solution can be derived from a modified dispersion relation by employing a thermodynamical description of general relativity on the apparent horizon.
description: 12 pages, no figure; references added, version published in JCAP
Asteroid Escape: A Serious Game to Foster Teamwork Abilities
Creators: name: Pratticó, Filippo Gabriele
name: Strada, Francesco
name: Lamberti, Fabrizio
name: Bottino, Andrea
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Human
centered computing
HCI design and evaluation methods
Mixed / augmented reality
Collaborative interaction

description: Teamwork skills have become a fundamental asset in the labor market. Modern organizations are increasingly implementing team building activities, aimed to improve or assess their employees' skills. Research suggests that serious games could be promising tools capable to support the creation of engaging and effective team building experiences. However, the design and development of serious games targeting these activities is still sparse and requires further investigation. This work introduces Asteroid Escape, an immersive serious game for team building, whose design was based on theoretical models on teamwork effectiveness. Although conducted on a restricted user sample, preliminary experiments suggest that tools like the devised one could positively contribute to ongoing research and implementation efforts targeting the exploitation of technology-enhanced learning methods for the development of teamwork skills and, more in general, of so-called soft skills.
description: Eurographics 2019 - Short Papers
description: Interactivity and Gaming
description: 53
description: 56
description: Filippo Gabriele Pratticó, Francesco Strada, Fabrizio Lamberti, and Andrea Bottino
description: CCS Concepts: Human-centered computing --> HCI design and evaluation methods; Mixed / augmented reality; Collaborative interaction
title: ÐÐ¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ñ Ð¿Ð¾Ð»Ð¸Ð³ÑÐ°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° Ð½Ð° Ð±Ð°Ð·Ðµ ÑÐ¸Ð¿Ð¾Ð³ÑÐ°ÑÐ¸Ð¸ ÐÐÐ "ÐÐÐ-ÐÐ¾Ð½ÑÐ°ÐºÑ"
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
Creators: name: Ð¤ÐµÑ, ÐÐ°ÑÐ°Ð»Ñ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°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ°
Ð°ÑÑÐ¾ÑÑÐ¸Ð¼ÐµÐ½Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÑ ÐµÐ¼Ñ

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¸Ð·Ð»Ð¾Ð¶ÐµÐ½Ñ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ Ð¿Ð¾ Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð½Ð° Ð±Ð°Ð·Ðµ ÑÐ¸Ð¿Ð¾Ð³ÑÐ°ÑÐ¸Ð¸ ÐÐÐ "ÐÐÐ-ÐÐ¾Ð½ÑÐ°ÐºÑ". ÐÑÐµÐ´Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ° Ð¿Ð¾Ð»Ð¸Ð³ÑÐ°ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸, Ð°Ð½Ð°Ð»Ð¸Ð· ÑÑÐ½ÐºÐ° ÑÐ¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð³Ð¾ ÐºÐ½Ð¸Ð³Ð¾Ð¸Ð·Ð´Ð°Ð½Ð¸Ñ Ð¸ ÑÐµÐ½Ð´ÐµÐ½ÑÐ¸Ð¸ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ Ð¿Ð¾Ð»Ð¸Ð³ÑÐ°ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ Ð¾ÑÑÐ°ÑÐ»Ð¸. ÐÐ°Ð½Ð° ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ° Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÐ¸ ÑÐ¸Ð¿Ð¾Ð³ÑÐ°ÑÐ¸Ð¸, Ð²ÑÐ¿ÑÑÐºÐ°ÐµÐ¼Ð¾Ð¹ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸, Ð¾Ð¿Ð¸ÑÐ°Ð½Ñ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸ Ð¸ Ð¾Ð¿Ð¸ÑÐ°Ð½Ð¾ Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ. ÐÐ°Ð½Ð¾ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ Ð¿Ð¾Ð½ÑÑÐ¸Ñ "Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ð¸", Ð´Ð°Ð½Ñ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ð¸ Ð¿Ð¾ ÑÐ°ÑÑÐ¸ÑÐµÐ½Ð¸Ñ Ð°ÑÑÐ¾ÑÑÐ¸Ð¼ÐµÐ½ÑÐ° Ð²ÑÐ¿ÑÑÐºÐ°ÐµÐ¼Ð¾Ð¹ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸, ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸ Ð¸ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ Ð¿Ð¾ ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð¼Ñ Ð¿ÐµÑÐµÐ¾ÑÐ½Ð°ÑÐµÐ½Ð¸Ñ ÑÐ¸Ð¿Ð¾Ð³ÑÐ°ÑÐ¸Ð¸. ÐÐ°Ð½ ÑÐ°ÑÑÑÑ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð² Ð´Ð»Ñ Ð¿ÐµÑÐ°ÑÐ¸ Ð¸ Ð±ÑÐ¾ÑÑÑÐ¾Ð²Ð¾ÑÐ½Ð¾-Ð¿ÐµÑÐµÐ¿Ð»ÐµÑÐ½ÑÑ ÑÐ°Ð±Ð¾Ñ, ÑÐ°ÑÑÑÑ Ð·Ð°ÑÑÐ°Ñ Ð½Ð° Ð¿ÑÐ¸Ð¾Ð±ÑÐµÑÐµÐ½Ð¸Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð² Ð»Ð¸Ð·Ð¸Ð½Ð³. ÐÐ°Ð½Ð¾ 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 Ð¿Ð¾ Ð¼Ð¾Ð´ÐµÑÐ½Ð¸Ð·Ð°ÑÐ¸Ð¸.
Maximum mass of relativistic self-gravitating Bose-Einstein condensates with repulsive or attractive $|φ|^4$ self-interaction
Creators: name: Chavanis, Pierre-Henri
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We derive an approximate analytical expression of the maximum mass of relativistic self-gravitating Bose-Einstein condensates with repulsive or attractive $|φ|^4$ self-interaction. This expression interpolates between the general relativistic maximum mass of noninteracting bosons stars, the general relativistic maximum mass of bosons stars with a repulsive self-interaction in the Thomas-Fermi limit, and the Newtonian maximum mass of dilute axion stars with an attractive self-interaction [P.H. Chavanis, Phys. Rev. D {\bf 84}, 043531 (2011)]. We obtain the general structure of our formula from simple considerations and determine the numerical coefficients in order to recover the exact asymptotic expressions of the maximum mass in particular limits. As a result, our formula should provide a relevant approximation of the maximum mass of relativistic boson stars for any value (positive and negative) of the self-interaction parameter. We discuss the evolution of the system above the maximum mass and consider application of our results to dark matter halos and inflaton clusters. We also make a short review of boson stars and Bose-Einstein condensate dark matter halos, and point out analogies with models of extended elementary particles.
description: arXiv admin note: text overlap with arXiv:gr-qc/9801063 by other authors
Meta-analysis of fear responses to eyespots on butterfly wings in birds: a protocol for a systematic review with meta-analysis
Creators: name: Soma, Masayo
name: Nakagawa, Shinichi
name: Pollo, Pietro
name: Mizuno, Ayumi
name: Yang, Yefeng
name: Lagisz, Malgorzata
Publisher: name: Open Science Framework
Year: 2023
Subjects: subject: Animal Sciences
subject: Biology
subject: Life Sciences
subject: Ornithology
subject: Behavior and Ethology
subject: Ecology and Evolutionary Biology
subject: conspicuous hypothesis
subject: eye mimicry hypothesis
subject: eyespot pattern
subject: meta-analysis

description: This is a registration of meta-analysis that will broadly focus on the relationship between large eyespot patterns and bird behavioural responses.
title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¾ÑÑÑÐµÑÑÐ²Ð¸Ð¼Ð¾ÑÑÐ¸ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ° Ð¿Ð¾ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð¼Ð¾Ð¼ÐµÐ½ÑÐ° Ð»ÑÐ¼Ð±Ð´Ð°(ÑÐ¸)-Ð³Ð¸Ð¿ÐµÑÐ¾Ð½Ð° Ð½Ð° ÑÑÐºÐ¾ÑÐ¸ÑÐµÐ»Ðµ SPS CERN (Ð¿ÑÐ¾ÐµÐºÑ SPSC-EOI-012)
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Ð°Ð»ÑÐºÐ¾Ð², ÐÐ°ÐºÑÐ¸Ð¼
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Ð¸Ð¾Ð½Ñ
Ð£ÑÐºÐ¾ÑÐ¸ÑÐµÐ»Ð¸ Ð·Ð°ÑÑÐ¶ÐµÐ½Ð½ÑÑ ÑÐ°ÑÑÐ¸Ñ ÐºÐ¾Ð»ÑÑÐµÐ²ÑÐµ
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Ð¯Ð´ÐµÑÐ½ÑÐµ Ð¼Ð¾Ð¼ÐµÐ½ÑÑ

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð° Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ð° Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð¼Ð¾Ð¼ÐµÐ½ÑÐ° Î_c^+ Ð±Ð°ÑÐ¸Ð¾Ð½Ð¾Ð². ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÐµ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÑ, ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸Ð·ÑÑÑÐ¸Ðµ ÑÐ¾Ð¶Ð´ÐµÐ½Ð¸Ðµ Ð¾ÑÐ°ÑÐ¾Ð²Ð°Ð½Ð½ÑÑ ÑÐ°ÑÑÐ¸Ñ Ð´Ð»Ñ Ð¿Ð¾ÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ° Ð¿Ð¾ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ Ð¼Ð°Ð³Ð½Ð¸ÑÐ½Ð¾Ð³Ð¾ Ð¼Ð¾Ð¼ÐµÐ½ÑÐ° Ð±Ð°ÑÐ¸Ð¾Ð½Ð¾Ð² Ð½Ð° ÑÑÐºÐ¾ÑÐ¸ÑÐµÐ»Ðµ SPS. ÐÐ¾Ð´ÑÐ¾Ð±Ð½Ð¾ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½ ÑÑÑÐµÐºÑ Ð¿Ð¾Ð²Ð¾ÑÐ¾ÑÐ° ÑÐ¿Ð¸Ð½Ð° ÑÐ°ÑÑÐ¸Ñ, Ð´Ð²Ð¸Ð¶ÑÑÐ¸ÑÑÑ Ð² ÑÐ¸Ð»ÑÐ½Ð¾Ð¼ Ð¿Ð¾Ð»Ðµ ÐºÑÐ¸ÑÑÐ°Ð»Ð»Ð¸ÑÐµÑÐºÐ¸Ñ Ð¿Ð»Ð¾ÑÐºÐ¾ÑÑÐµÐ¹. ÐÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐ°ÑÑÑÑ ÑÐ¸ÑÐ»Ð° ÑÐ¾Ð±ÑÑÐ¸Ð¹ Ð¸ Ð²ÑÐµÐ¼ÐµÐ½Ð¸, Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼Ð¾Ð³Ð¾ Ð´Ð»Ñ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ Ð¸ÑÑÐ»ÐµÐ´ÑÐµÐ¼Ð¾Ð¹ Ð²ÐµÐ»Ð¸ÑÐ¸Ð½Ñ Ñ Ð·Ð°Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¾ÑÐ½Ð¾ÑÑÑÑ. ÐÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð° ÑÑÐµÐ¼Ð° ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ° Ð´Ð»Ñ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ Ð¿Ð¾ ÐºÐ°Ð½Ð°Ð»Ñ ÑÐ°ÑÐ¿Ð°Ð´Ð° Î_c^+âÎ+Ï^+. ÐÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð´Ð°Ð½Ð½ÑÐµ ÑÐµÑÑÐ¾Ð²ÑÑ Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ð¹ ÐºÑÐ¸ÑÑÐ°Ð»Ð»Ð° LCP-61.
Disorder-induced trapping and anti-trapping of vortices in type-II superconductors
Creators: name: Kopasov, A. A.
name: Tsar'kov, I. M.
name: Mel'nikov, A. S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the features of the superconductivity nucleation and vortex configurations in superconductors with modulated disorder. Using the Ginzburg-Landau-type theory with spatially varying diffusion coefficient, we uncover and explain the switching between the vortex-defect attraction to the repulsion upon the increase in the external magnetic field. It is shown that for rather weak applied magnetic fields, a superconducting nucleus localized near the region with the suppressed diffusion coefficient possesses a nonzero vorticity whereas the increase in the magnetic field can lead to a transition into the state with zero winding number. We demonstrate the manifestations of this switching phenomenon in superconductors with a large number of defects by performing numerical simulations of the vortex structures in superconductors with periodic spatial profiles of the diffusion coefficient. The obtained results clarify the physics of the vortex arrangement in several classes of the superconducting materials including one-dimensional superlattices and nanopatterned superconductors with regular arrays of the defects characterized by the increased concentration of nonmagnetic impurities.
description: 13 pages, 9 figures
Parity-Odd and Even Trispectrum from Axion Inflation
Creators: name: Niu, Xuce
name: Rahat, Moinul Hossain
name: Srinivasan, Karthik
name: Xue, Wei
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The four-point correlation function of primordial scalar perturbations has parity-even and parity-odd contributions and the parity-odd signal in cosmological observations is opening a novel window to look for new physics in the inflationary epoch. We study the distinct parity-odd and even prediction from the axion inflation model, in which the inflaton couples to a vector field via a Chern-Simons interaction, and the vector field is considered to be either approximately massless ($m_A \ll $ Hubble scale $H$) or very massive ($m_A \sim H $). The parity-odd signal arises due to one transverse mode of the vector field being predominantly produced during inflation. We adopt the in-in formalism to evaluate the correlation functions. Considering the vector field mode function to be dominated by its real part up to a constant phase, we simplify the formulas for numerical computations. The numerical studies show that the massive and massless vector fields give significant parity-even signals, while the parity-odd contribution is about one to two orders of magnitude smaller.
description: 22 pages, 10 figures; minor changes, references added
A Validation Tool For Improving Semantic Segmentation of Complex Natural Structures
Creators: name: Pavoni, Gaia
name: Corsini, Massimiliano
name: Palma, Marco
name: Scopigno, Roberto
Publisher: name: The Eurographics Association
Year: 2019
Subjects: Human
centered computing
Graphical user interfaces
Visual analytics
Computing methodologies
Image segmentation

description: The automatic recognition of natural structures is a challenging task in the supervised learning field. Complex morphologies are difficult to detect both from the networks, that may suffer from generalization issues, and from human operators, affecting the consistency of training datasets. The task of manual annotating biological structures is not comparable to a generic task of detecting an object (a car, a cat, or a flower) within an image. Biological structures are more similar to textures, and specimen borders exhibit intricate shapes. In this specific context, manual labelling is very sensitive to human error. The interactive validation of the predictions is a valuable resource to improve the network performance and address the inaccuracy caused by the lack of annotation consistency of human operators reported in literature. The proposed tool, inspired by the Yes/No Answer paradigm, integrates the semantic segmentation results coming from a CNN with the previous human labeling, allowing a more accurate annotation of thousands of instances in a short time. At the end of the validation, it is possible to obtain corrected statistics or export the integrated dataset and re-train the network.
description: Eurographics 2019 - Short Papers
description: Learning and Networks
description: 57
description: 60
description: Gaia Pavoni, Massimiliano Corsini, Marco Palma, and Roberto Scopigno
description: CCS Concepts: Human-centered computing --> Graphical user interfaces; Visual analytics; Computing methodologies --> Image segmentation
Universal Behavior of Extreme Price Movements in Stock Markets
Creators: name: Fuentes, Miguel A.
name: Gerig, Austin
name: Vicente, Javier
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Finance (q-fin.ST)
subject: FOS: Economics and business

description: Many studies assume stock prices follow a random process known as geometric Brownian motion. Although approximately correct, this model fails to explain the frequent occurrence of extreme price movements, such as stock market crashes. Using a large collection of data from three different stock markets, we present evidence that a modification to the random model -- adding a slow, but significant, fluctuation to the standard deviation of the process -- accurately explains the probability of different-sized price changes, including the relative high frequency of extreme movements. Furthermore, we show that this process is similar across stocks so that their price fluctuations can be characterized by a single curve. Because the behavior of price fluctuations is rooted in the characteristics of volatility, we expect our results to bring increased interest to stochastic volatility models, and especially to those that can produce the properties of volatility reported here.
description: 4 pages, 3 figures
Revisiting the atmosphere of the exoplanet 51 Eridani b with VLT/SPHERE
Creators: name: Brown-Sevilla, S. B.
name: Maire, A. -L.
name: Mollière, P.
name: Samland, M.
name: Feldt, M.
name: Brandner, W.
name: Henning, Th.
name: Gratton, R.
name: Janson, M.
name: Stolker, T.
name: Hagelberg, J.
name: Zurlo, A.
name: Cantalloube, F.
name: Boccaletti, A.
name: Bonnefoy, M.
name: Chauvin, G.
name: Desidera, S.
name: D'Orazi, V.
name: Lagrange, A. -M.
name: Langlois, M.
name: Menard, F.
name: Mesa, D.
name: Meyer, M.
name: Pavlov, A.
name: Petit, C.
name: Rochat, S.
name: Rouan, D.
name: Schmidt, T.
name: Vigan, A.
name: Weber, L.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: [Full abstract in the paper] We aim to better constrain the atmospheric properties of the directly imaged exoplanet 51~Eri~b by using a retrieval approach on higher signal-to-noise data than previously reported. In this context, we also compare the results of using the atmospheric retrieval code \texttt{petitRADTRANS} vs a self-consistent model to fit atmospheric parameters. We present a higher signal-to-noise $YH$ spectrum of the planet and revised $K1K2$ photometry (M$_{K1} = 15.11 \pm 0.04$ mag, M$_{K2} = 17.11 \pm 0.38$ mag). The best-fit parameters obtained using an atmospheric retrieval differ from previous results using self-consistent models. In general, we find that our solutions tend towards cloud-free atmospheres (e.g. log $τ_{\rm clouds} = -5.20 \pm 1.44$). For our ``nominal'' model with new data, we find a lower metallicity ([Fe/H] $= 0.26\pm$0.30 dex) and C/O ratio ($0.38\pm0.09$), and a slightly higher effective temperature (T$_{\rm{eff}} = 807\pm$45 K) than previous studies. The surface gravity (log $g = 4.05\pm0.37$) is in agreement with the reported values in the literature within uncertainties. We estimate the mass of the planet to be between 2 and 4 M$_{\rm{Jup}}$. When comparing with self-consistent models, we encounter a known correlation between the presence of clouds and the shape of the $P-T$ profiles. Our findings support the idea that results from atmospheric retrievals should not be discussed in isolation, but rather along with self-consistent temperature structures obtained using the retrieval's best-fit parameters.
description: Accepted for publication in A&A. 21 pages, 7 figures in the main text and 9 figures in the Appendix
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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
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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: ÑÐµÑÑÐ¾ÑÐ°Ð½Ð½Ð°Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ
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3D Coronal Slow Modes: Towards 3D Seismology
Creators: name: Marsh, M. S.
name: Walsh, R. W.
name: Plunkett, S.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: On 2008 January 10, the twin Solar Terrestrial Relations Observatory (STEREO) A and B spacecraft conducted a high time cadence study of the solar corona with the Extreme UltraViolet Imager (EUVI) instruments with the aim of investigating coronal dynamics. Observations of the three-dimensional propagation of waves within active region coronal loops and a measurement of the true coronal slow mode speed are obtained. Intensity oscillations with a period of approximately 12 minutes are observed to propagate outwards from the base of a loop system, consistent with the slow magnetoacoustic mode. A novel analysis technique is applied to measure the wave phase velocity in the observations of the A and B spacecraft. These stereoscopic observations are used to infer the three-dimensional velocity vector of the wave propagation, with an inclination of 37 +- 6 deg to the local normal and a magnitude of 132 +- 9 and 132 +- 11 km s-1, giving the first measurement of the true coronal longitudinal slow mode speed, and an inferred temperature of 0.84 +- 12 MK and 0.84 +- 15 MK.
description: In press, ApJ June 2009 - 1 v697 issue
The existence of null circular geodesics outside extremal spherically symmetric asymptotically flat hairy black holes
Creators: name: Peng, Yan
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The existence of null circular geodesics has been proved in the background of non-extremal spherically symmetric asymptotically flat black holes in previous works. Then it is an interesting question that whether extremal black holes possess null circular geodesics outside horizons. In the present paper, we pay attentions to the extremal spherically symmetric asymptotically flat hairy black holes. We show the existence of the fastest trajectory to circle a extremal black hole. As the fastest trajectory corresponds to the position of null circular geodesics, we prove that null circular geodesics exist outside extremal spherically symmetric asymptotically flat hairy black holes. We also point out that our proof also works for non-extremal black holes.
description: 6 pages