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Lixia Li, Haiteng Hu and Xiaolan Wu
In this paper, we propose an acoustic black hole radial elastic metamaterial (AREM). Through the study of its dispersion relations, it is found that, compared with the conventional elastic metamaterial, the AREM gathers energy at the tip of the black hol...
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Stefan Dobrev, Paola Flocchini, Giuseppe Prencipe and Nicola Santoro
Consider a set of k identical asynchronous mobile agents located in an anonymous ring of n nodes. The classical Gather (or Rendezvous) problem requires all agents to meet at the same node, not a priori decided, within a finite amount of time. This proble...
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Shabir Ahmad Sofi, Roohie Naaz
Pág. 113 - 118
Ad Hoc wireless sensor network (WSN) is a collection of nodes that do not need to rely on predefined infrastructure to keep the network connected. The level of security and performance are always somehow related to each other, therefore due to limited re...
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Thebiga M,Suji Pramila
Pág. pp. 96 - 108
Ensuring collateral is the most substantial snag in Mobile Adhoc Networks which crash the efficacy of the network. Without regard to all different networks, the Mobile Adhoc network is stuffed with more safety hindrances and the Adhoc on Demand Vector Ro...
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Thebiga M,Suji R Pramila
Pág. pp. 42 - 65
This Mobile adhoc networks is a perpetual and autogenous organization without framework, and the mobile nodes are coupled cordlessly. Owing to the deficiency of framework assistance, reliable data distribution is a demanding process in mobile adhoc netwo...
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Zulfiqar Ali Zardari, Jingsha He, Nafei Zhu, Khalid Hussain Mohammadani, Muhammad Salman Pathan, Muhammad Iftikhar Hussain and Muhammad Qasim Memon
A mobile ad-hoc network (MANET) is a temporary network of wireless mobile nodes. In a MANET, it is assumed that all of the nodes cooperate with each other to transfer data packets in a multi-hop fashion. However, some malicious nodes don?t cooperate with...
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Chenhui Zhao and Marehalli G. Prasad
It is known that in the design of quieter mechanical systems, vibration and noise control play important roles. Recently, acoustic black holes have been effectively used for structural design in controlling vibration and noise. An acoustic black hole is ...
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Bhavana Gupta, Vikas Jian, Rajesh Tiwari
Pág. 2570 - 2579
Security is a vital requirement in mobile ad hoc networks to provide secured communication among mobile nodes. Due to different characteristics of MANETS, it creates a number of consequential challenges to its security design. To overcome the challenges,...
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Francisco Ricardo Muñoz Muñoz
Pág. 25 - 32
Introducción: Se inicia con definiciones y aclaraciones de conceptos involucrados en la dinámica de los agujeros negros. Materiales y métodos: Se desarrolla la revisión del tema partiendo del hecho de que al agujero negro lo rodee un ?mar de fotones? cre...
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Shamim Younas, Faisal Rehman, Tahir Maqsood, Saad Mustafa, Adnan Akhunzada and Abdullah Gani
Vehicle ad hoc networks (VANETs) are vital towards the success and comfort of self-driving as well as semi-automobile vehicles. Such vehicles rely heavily on data management and the exchange of Cooperative Awareness Messages (CAMs) for external communica...
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Agnieszka Janiuk,Konstantinos Sapountzis,Jeremy Mortier,Ireneusz Janiuk
Pág. 86 - 102
We model the structure and evolution of black hole accretion disks using numerical simulations. The numerics is governed by the equations of general relativistic magneto-hydrodynamics (GRMHD). Accretion disks and outflows can be found at the base of very...
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Oskar Bschorr and Hans-Joachim Raida
A vibration absorber consisting of a one-dimensional waveguide with a reflectionless termination extracts vibrational energy from a structure that is to be damped. An optimum energy dissipation occurs for the so-called power adjustment, i.e, the same lev...
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Timothy Ryan Taylor, Chun-Tang Chao and Juing-Shian Chiou
This paper proposes a new method of image decomposition with a filtering capability. The image state ensemble decomposition (ISED) method has generative capabilities that work by removing a discrete ensemble of quanta from an image to provide a range of ...
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Timothy Ryan Taylor, Chun-Tang Chao and Juing-Shian Chiou
Standard spatial domain filters fail to adequately denoise and enhance the contrast of an image. These filters have drawbacks like oversmoothing, diminished texture, and lack of generative capabilities. This paper proposes a new method of image reconstru...
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Muhammad Iqbal Fasa,(Universitas Islam Negeri Raden IntanIndonesia)Loni Hendri,(Bersama InstituteIndonesia)Suharto Suharto,(Universitas Islam Negeri Raden IntanIndonesia)
Pág. 76 - 85
This research aims to find credit restructuring "black hole," then draw some steps banks should do to strengthen its performance and its role as financial intermediary in COVID-19 condition. The descriptive-critical analysis is used in this paper. The an...
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Vlatko Vedral
In this paper I discuss the question: what comes first, physics or information? The two have had a long-standing, symbiotic relationship for almost a hundred years out of which we have learnt a great deal. Information theory has enriched our interpretati...
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Vincenzo Benedetto, Francesco Gissi, Gioele Ciaparrone and Luigi Troiano
Gravitational wave research presents a range of intriguing challenges, each of which has driven significant progress in the field. Key research problems include glitch classification, glitch cancellation, gravitational wave denoising, binary black hole s...
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José Adércio Leite Sampaio
Pág. 274 - 293
A intervenção federal nas entidades subnacionais de segundo nível é uma excepcionalidade que se faz uso como forma de garantir-lhes a regularidade institucional e o respeito à lealdade federativa. Nos Estados Unidos, a intervenção se tem feito com base n...
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Ruki Harwahyu,Boma A. Adhi,Harris Simaremare,Abdusy Syarif,Abdelhafid Abouaissa,Riri F. Sari,Pascal Lorenz
Pág. 110 - 116
A node in Mobile Ad-hoc Network (MANET) solely depends on neighbor nodes for its connectivity to the outer networks. It is completely different with fixed network connection where a central infrastructure is providing connectivity to the outside network ...
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Souad Ajjaj, Souad El Houssaini, Mustapha Hain and Mohammed-Alamine El Houssaini
The performance assessment of routing protocols in vehicular ad hoc networks (VANETs) plays a critical role in testing the efficiency of the routing algorithms before deployment in real conditions. This research introduces the statistical design of exper...
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