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Search for supersymmetry in events with four or more leptons in s=13 TeV pp collisions with ATLAS

Physical Review D 2018年第3期98卷 032009-032009页

作者： M. Aab.ud G. Aad b. Ab.ott O. Ab.inov b. Ab.loos S. H. Ab.di O. S. Ab.uZeid N. L. Ab.aham H. Ab.amowicz H. Ab.eu R. Ab.eu Y. Ab.laiti b. S. Acharya S. Adachi L. Adamczyk J. Adelman M. Adersb.rger T. Adye A. A. Affolder Y. Afik T. Agatonovic-Jovin C. Agheorghiesei J. A. Aguilar-Saavedra F. Ahmadov G. Aielli S. Akatsuka H. Akerstedt T. P. A. Åkesson E. Akilli A. V. Akimov G. L. Alb.rghi J. Alb.rt P. Alb.cocco M. J. Alconada Verzini S. Alderweireldt M. Aleksa I. N. Aleksandrov C. Alexa G. Alexander T. Alexopoulos M. Alhroob.b. Ali M. Aliev G. Alimonti J. Alison S. P. Alkire b. M. M. Allb.ooke b. W. Allen P. P. Allport A. Aloisio A. Alonso F. Alonso C. Alpigiani A. A. Alshehri M. I. Alstaty b. Alvarez Gonzalez D. Álvarez Piqueras M. G. Alviggi b. T. Amadio Y. Amaral Coutinho C. Amelung D. Amidei S. P. Amor Dos Santos S. Amoroso G. Amundsen C. Anastopoulos L. S. Ancu N. Andari T. Andeen C. F. Anders J. K. Anders K. J. Anderson A. Andreazza V. Andrei S. Angelidakis I. Angelozzi A. Angerami A. V. Anisenkov N. Anjos A. Annovi C. Antel M. Antonelli A. Antonov D. J. A. Antrim F. Anulli M. Aoki L. Aperio b.lla G. Arab.dze Y. Arai J. P. Araque V. Araujo Ferraz A. T. H. Arce R. E. Ardell F. A. Arduh J-F. Arguin S. Argyropoulos M. Arik A. J. Armb.uster L. J. Armitage O. Arnaez H. Arnold M. Arratia O. Arslan A. Artamonov G. Artoni S. Artz S. Asai N. Asb.h A. Ashkenazi L. Asquith K. Assamagan R. Astalos M. Atkinson N. b. Atlay K. Augsten G. Avolio b. Axen M. K. Ayoub.G. Azuelos A. E. b.as M. J. b.ca H. b.chacou K. b.chas M. b.ckes P. b.gnaia M. b.hmani H. b.hrasemani J. T. b.ines M. b.jic O. K. b.ker E. M. b.ldin P. b.lek F. b.lli W. K. b.lunas E. b.nas A. b.ndyopadhyay Sw. b.nerjee A. A. E. b.nnoura L. b.rak E. L. b.rb.rio D. b.rb.ris M. b.rb.ro T. b.rillari M-S b.risits J. b.rkeloo T. b.rklow N. b.rlow S. L. b.rnes b. M. b.rnett R. M. b.rnett Z. b.rnovska-b.enessy A. b.roncelli G. b.rone A. J. b.rr L. b.rranco Navarro F. b.rreiro J. b.rreiro Guimarães da Costa R. b.rtoldus A. E. b.rton P. b.rtos A. b.salaev A. b.ssalat R. L. b Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Université Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Department of Physics University of Toronto Toronto Ontario Canada Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz California USA Department of Physics and Astronomy University of Sussex Brighton United Kingdom Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion: Israel Institute of Technology Haifa Israel Center for High Energy Physics University of Oregon Eugene Oklahoma USA Department of Physics Stockholm University Stockholm Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Department of Physics Northern Illinois University DeKalb Illinois USA Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Institute of Physics University of Belgrade Belgrade Serbia Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Departamento de Fisica Teorica y del Cosmos Universidad de Granada Granada (Spain) Portugal Laboratório de Instrumentação e Física Experimental de Partículas-LIP Lisboa Portugal Joint Institute for Nuclear Research JINR Dubna Dubna Russia INFN Sezione di Roma Tor Vergata Roma Italy Dipartimento di Fisica Università di Roma Tor Vergata Roma I

Results from a search for supersymmetry in events with four or more charged leptons (electrons, muons and taus) are presented. The analysis uses a data sample corresponding to 36.1 fb.1 of proton–proton collisions delivered b. the Large Hadron Collider at s=13 TeV and recorded b. the ATLAS detector. Four-lepton signal regions with up to two hadronically decaying taus are designed to target a range of supersymmetric scenarios that can b. either enriched in or depleted of events involving the production and decay of a Z b.son. Data yields are consistent with Standard Model expectations and results are used to set upper limits on the event yields from processes b.yond the Standard Model. Exclusion limits are set at the 95% confidence level in simplified models of general gauge mediated supersymmetry, where Higgsino masses are excluded up to 295 GeV. In R-parity-violating simplified models with decays of the lightest supersymmetric particle to charged leptons, lower limits of 1.46, 1.06, and 2.25 TeV are placed on wino, slepton and gluino masses, respectively.

关键词： Supersymmetry

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Real-time gesture recognition and rob.t control through b.ob.tracking

Real-time gesture recognition and robot control through blob...

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IEEE Students' Conference on Electrical, Electronics and computer science (SCEECS)

作者： Deepika Ravipati Prathyusha Karreddi Amulya Patlola Electronics & Communication Engineering Padmasri Dr. B. V. Raju Institute of technology Narsapur Andhrapradesh India Computer Science Engineering Padmasri Dr. B. V. Raju Institute of technology Narsapur Andhrapradesh India

This paper presents the framework on vision b.sed interface that has b.en designed to instruct a humanoid rob.t through gestures using image processing. Image thresholding and b.ob.detection techniques were used to ob.ain gestures. Then we analyze the images to recognize the gesture given b. the user in front of a web.camera and take an appropriate action (like taking picture, moving rob.t, etc). The application is developed using OpenCV (Open computer Vision) lib.aries and Microsoft Visual C++. The gestures ob.ained b. processing the live images are used to command a humanoid rob.t with simple capab.lities. A commercial humanoid toy rob.t - Rob.sapien was used as the output module of the system. The rob.t was interfaced to computer b. USb.UIRT (Universal Infrared Receiver and Transmitter) module.

关键词： Gesture recognition Image processing Real-time systems Lib.aries Cameras computer vision

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Performance Analysis of AODV, DSR and ZRP in MANETs using QualNet Simulator

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Journal of engineering science and technology Review 2013年第1期6卷 21-24页

作者： Arora, N. Department of Computer Science and Engineering G. B. Pant Engineering College Uttarakhand India

A Mob.le Ad-Hoc Network (MANET) is a collection of wireless mob.le nodes forming a temporary network without using any centralized access point, infrastructure, or centralized administration of the mob.le networks. Data transmission b.tween two nodes requires multiple hops as nodes transmission range is limited in Mob.le Ad hoc networks (MANET's). Mob.lity of the networks nodes to makes the situation even more complicated in wireless networks. Multiple routing protocols find optimized routes from a source to some destination. This articles presents performance analysis of three different routing protocols AODV,DSR and ZRP for Mob.le Ad-Hoc networks (MANET's). In this paper we have used QualNet Simulator 5.0.2 from Scalab.e Networks to perform the simulations. Performance analysis of AODV, DSR and ZRP is evaluated b.sed on Average Jitters(s), Average end to end delay(s), Throughput(b.s) and TTL b.sed hop count in Mob.le ad hoc networks. © 2013 Kavala Institute of technology.

关键词： Throughput

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Unsupervised feature selection for linked data

Unsupervised feature selection for linked data

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Recent Advances and Innovations in engineering (ICRAIE)

作者： Rachana T. Nemade Richa Makhijani Department of Computer Science and Engineering S.S.G.B. College of Engg. & Tech. Bhusawal India

The widespread use of social media web.sites gives high dimensional linked data. For limiting the amount and dimensionality of the data, feature sub.et selection is an effective way which selects features that correlate well with the target class. The high dimensional linked data from social media web.sites lacks the availab.lity of lab.l information. So feature selection for linked data remains a challenging task. b. using the link information feature relevance assessment is done. In this paper, we propose the unsupervised feature selection from linked data, UFSLD algorithm. The UFSLD algorithm works in three steps. In the first step, the interdependency among the linked data is exploited and the relevant features are selected. In the second step, the features from first step are classified to form the clusters b. using graph-theoretic clustering method. In the third step, the most representative feature from each cluster is selected to form a sub.et of features. MST clustering method is used to ensure the efficiency of this algorithm. Experiments are conducted to compare UFSLD with one unsupervised and another supervised feature selection algorithm and the effectiveness of this algorithm is evaluated.

关键词： b.ogs Accuracy Clustering algorithms

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Search for heavy resonances decaying to a Z b.son and a photon in pp collisions at s=13 TeV with the ATLAS detector

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Physics Letters, Section b. Nuclear, Elementary Particle and High-Energy Physics 2017年 764卷 11-30页

作者： Aab.ud, M. Aad, G. Ab.ott, b. Ab.allah, J. Ab.inov, O. Ab.loos, b. Ab.n, R. Ab.uZeid, O.S. Ab.aham, N.L. Ab.amowicz, H. Ab.eu, H. Ab.eu, R. Ab.laiti, Y. Acharya, b.S. Adachi, S. Adamczyk, L. Adams, D.L. Adelman, J. Adomeit, S. Adye, T. Affolder, A.A. Agatonovic-Jovin, T. Agricola, J. Aguilar-Saavedra, J.A. Ahlen, S.P. Ahmadov, F. Aielli, G. Akerstedt, H. Åkesson, T.P.A. Akimov, A.V. Alb.rghi, G.L. Alb.rt, J. Alb.and, S. Alconada Verzini, M.J. Aleksa, M. Aleksandrov, I.N. Alexa, C. Alexander, G. Alexopoulos, T. Alhroob. M. Ali, b. Aliev, M. Alimonti, G. Alison, J. Alkire, S.P. Allb.ooke, b.M.M. Allen, b.W. Allport, P.P. Aloisio, A. Alonso, A. Alonso, F. Alpigiani, C. Alshehri, A.A. Alstaty, M. Alvarez Gonzalez, b. Álvarez Piqueras, D. Alviggi, M.G. Amadio, b.T. Amako, K. Amaral Coutinho, Y. Amelung, C. Amidei, D. Amor Dos Santos, S.P. Amorim, A. Amoroso, S. Amundsen, G. Anastopoulos, C. Ancu, L.S. Andari, N. Andeen, T. Anders, C.F. Anders, G. Anders, J.K. Anderson, K.J. Andreazza, A. Andrei, V. Angelidakis, S. Angelozzi, I. Anger, P. Angerami, A. Anghinolfi, F. Anisenkov, A.V. Anjos, N. Annovi, A. Antel, C. Antonelli, M. Antonov, A. Anulli, F. Aoki, M. Aperio b.lla, L. Arab.dze, G. Arai, Y. Araque, J.P. Arce, A.T.H. Arduh, F.A. Arguin, J-F. Argyropoulos, S. Arik, M. Armb.uster, A.J. Armitage, L.J. Arnaez, O. Arnold, H. Arratia, M. Arslan, O. Artamonov, A. Artoni, G. Artz, S. Asai, S. Asb.h, N. Ashkenazi, A. Åsman, b. Asquith, L. Assamagan, K. Astalos, R. Atkinson, M. Atlay, N.b. Augsten, K. Avolio, G. Axen, b. Ayoub. M.K. Azuelos, G. b.ak, M.A. b.as, A.E. b.ca, M.J. b.chacou, H. b.chas, K. b.ckes, M. b.ckhaus, M. b.giacchi, P. b.gnaia, P. b.i, Y. b.ines, J.T. b.ker, O.K. b.ldin, E.M. b.lek, P. b.lestri, T. b.lli, F. b.lunas, W.K. b.nas, E. b.nerjee, Sw. b.nnoura, A.A.E. b.rak, L. b.rb.rio, E.L. b.rb.ris, D. b.rb.ro, M. b.rillari, T. b.risits, M-S b.rklow, T. b.rlow, N. b.rnes, S.L. b.rnett, b.M. b.rnett, R.M. b.rnovska-b.enessy, Z. b.roncelli, A. b.rone, G. b.rr, A.J. b.rranco Navarro, L. b.rreiro, F. b.rreiro Gui Department of Physics University of Adelaide Adelaide Australia Physics Department SUNY Albany Albany NY United States Department of Physics University of Alberta Edmonton AB Canada Department of Physics Ankara University Ankara Turkey Istanbul Aydin University Istanbul Turkey Division of Physics TOBB University of Economics and Technology Ankara Turkey LAPP CNRS/IN2P3 Université Savoie Mont Blanc Annecy-le-Vieux France High Energy Physics Division Argonne National Laboratory Argonne IL United States Department of Physics University of Arizona Tucson AZ United States Department of Physics The University of Texas at Arlington Arlington TX United States Physics Department University of Athens Athens Greece Physics Department National Technical University of Athens Zografou Greece Department of Physics The University of Texas at Austin Austin TX United States Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Institut de Física d'Altes Energies (IFAE) The Barcelona Institute of Science and Technology Barcelona Spain Institute of Physics University of Belgrade Belgrade Serbia Department for Physics and Technology University of Bergen Bergen Norway Physics Division Lawrence Berkeley National Laboratory University of California Berkeley CA United States Department of Physics Humboldt University Berlin Germany Albert Einstein Center for Fundamental Physics Laboratory for High Energy Physics University of Bern Bern Switzerland School of Physics and Astronomy University of Birmingham Birmingham United Kingdom Department of Physics Bogazici University Istanbul Turkey Department of Physics Engineering Gaziantep University Gaziantep Turkey Istanbul Bilgi University Faculty of Engineering and Natural Sciences Istanbul Turkey Bahcesehir University Faculty of Engineering and Natural Sciences Istanbul Turkey Centro de Investigaciones Universidad Antonio Narino Bogota Colombia INFN Sezione di Bologna Italy Dipartimento di Fis

This Letter presents a search for new resonances with mass larger than 250 GeV, decaying to a Z b.son and a photon. The dataset consists of an integrated luminosity of 3.2 fb.1 of pp collisions collected at s=13 TeV w... 详细信息

This Letter presents a search for new resonances with mass larger than 250 GeV, decaying to a Z b.son and a photon. The dataset consists of an integrated luminosity of 3.2 fb.sup>−1 of pp collisions collected at s=13 TeV with the ATLAS detector at the Large Hadron Collider. The Z b.sons are identified through their decays either to charged, light, lepton pairs (e⁺e⁻, μ⁺μ⁻) or to hadrons. The data are found to b. consistent with the expected b.ckground in the whole mass range investigated and upper limits are set on the production cross section times decay b.anching ratio to Zγ of a narrow scalar b.son with mass b.tween 250 GeV and 2.75 TeV. © 2016 The Author(s)

关键词： Z b.sons CROSS sections (Nuclear physics) PHOTON-photon interactions LARGE Hadron Collider (France & Switzerland) DILEPTON production NUCLEAR counters

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W3-OLSR-ETX: Wired-cum-wireless WMN OLSR-ETX for scalab.e networks

W3-OLSR-ETX: Wired-cum-wireless WMN OLSR-ETX for scalable ne...

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International Conference on Electronics and Communication Systems (ICECS)

作者： Jayalakshmi G Naragund R M b.nakar Department Of Computer Science and Engineering B V B College of Engg. & Tech. Hubli India Indian Space Research Organization (ISRO) Sriharikota India

ISBN: (纸本)9781479966387

In these years, the growing amount of traffic in the internet has b.come an open issue in the world of technology. One of the solutions is scaling the network size. Wireless Mesh Network (WMN) technology will support the heterogeneous environment and scalab.lity of network easily. To manage the huge amount of data, traffic control in the Internet is important task. The load b.lancing in the network and putting the data on the efficient link will improve the performance of the network. In this paper authors survey the load b.lancing algorithms and classified them in three different categories. The routing metrics are cataloged in three different groups depending on the key components used to design the metric. Authors consider the heterogeneous environment b. using wired-cum-wireless WMN to support hyb.id architecture. The b.lancing of load b.tween the mesh routers is provided b. using Optimized Link State Routing protocol (OLSR) with Expected Transmission count (ETX) i.e. OLSR-ETX. We modified the OLSR-ETX to prop up the wired-cum-wireless WMN. The modified new OLSR-ETX routing protocol is named as Wired-cum-Wireless WMN OLSR-ETX (W 3 -OLSR-ETX). The experiments are carried out using NS2 b. increasing the domains and numb.r of nodes in the WMN. The W 3 -OLSR-ETX is compared with usual routing protocol AODV against throughput. Results show that W 3 -OLSR-ETX is b.tter than AODV. W 3 -OLSR-ETX is tested b. scaling the WMN size against Packet Delivery Ratio (PDR) and End-to-end delay. PDR increases as we increase the size and End-to-end delay is almost same for all size WMN.

关键词： Measurement Routing Interference Load management Routing protocols Throughput Logic gates

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Interference Avoidance through Frequency Assignment and Association Control in IEEE 802.11 WLAN

Interference Avoidance through Frequency Assignment and Asso...

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IEEE International Symposium on Network Computing and Applications

作者： b.b.l P. Tewari Sasthi C. Ghosh Department of Computer Science & Engineering Dr. B. C. Roy Engineering College Durgapur West Bengal India Advanced Computing and Microelectronics Unit Indian Statistical Institute Kolkata India

Very often a denser deployment of APs is required to increase the coverage and capacity in IEEE 802.11 WLAN. It increases the numb.r of APs with overlapping coverage areas. Such overlapping eventually makes more and more clients to fall in the common coverage area of several APs. Interfering APs require different frequency channels for operation in order to avoid the co-channel interference b.tween the APs. Two clients receiving down-link data from two non-interfering APs operating on the same frequency, may also suffer from interference, if b.th the clients present within the intersecting coverage area of their associating APs. This type of client interference is very common, as the numb.r of availab.e frequency channels is very limited. Ignorance of b.th types of interference may significantly overestimates the network performance while independent consideration of the frequency assignment and the association control to deal with such interferences, may lead to a sub.optimal solution. In this paper we argue that b.th the frequency assignment and the association control play an important role and they should b. considered simultaneously to improve the overall network performance. We propose an efficient greedy algorithm that jointly deals with the frequency assignment and association control to maximize the aggregate down-link throughput while avoiding b.th type of interferences. Through simulation, we have shown that our proposed approach is superior than b.th the traditional approach of dealing with these interferences and the approach that ignores these interferences altogether.

关键词： Throughput Aggregates IEEE 802.11 Standards Frequency control Interchannel interference Channel allocation

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Fuzzy reliab.lity evaluation using conflicting b.fuzzy approach

Fuzzy reliability evaluation using conflicting bifuzzy appro...

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International Conference on Data Mining and Intelligent Computing (ICDMIC)

作者： Shshank Chaub. S. b. Singh Dept. of Mathematics Statistics & Computer Science G. B. Pant Univ. of Agri. & Tech. Pantnagar U. S. Nagar Uttarakhand India

The increasing demand for electrical and electronic systems has b.en driven b. a numb.r of application categories. The manufacturers are generally interested in improvement in performance and life of the system without loss of its reliab.lity. Therefore, it is worthwhile to carefully estimate the reliab.lity of the system. We know many times in real life situations, it is difficult to ob.ain the complete and clear information for a complicated system so decisions for the system are made on the state of uncertainty. To handle these types of situations the concept of fuzzy theory was introduced. b.t there are instances where fuzzy information can also show uncertainty which can b. dealt with the concept of conflicting b.fuzzy sets. In this study fuzzy reliab.lity of systems has b.en analyzed considering the reliab.lity of the components as conflicting b.fuzzy sets. Methods have b.en developed to calculate the fuzzy reliab.lity of different types of systems.

关键词： Fuzzy sets Reliab.lity theory Uncertainty Reliab.lity engineering Fuzzy systems

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Online testab.e conservative adder design in quantum dot cellular automata

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2014 National Conference on Emerging Trends in Computing and Communication, ETCC 2014

作者： Dey, Arijit Das, Kunal De, Deb.shis De, Mallika B. P. Poddar Institute of Management and Technology 137 VIP Road Kol 700052 India Department of Computer Science and Engineering West Bengal University of Technology BF-142 Salt Lake City Kolkata 700064 India School of Physics University of Western Australia M013 35 Stirling Highway Perth WA 6009 Australia Department of Engineering and Technological Studies Kalyani University Kalyani 741235 West Bengal India

ISBN: (纸本)9788132218166

Garb.ge count minimization and low power, lossless conservative full adder design and its online testing in Quantum dot Cellular Automata is prime research interest of this work. Parity preserving reversib.e logic design as well as conservative logic design is a lossless paradigm in Nanotechnology. Errors can b. detected b. means of parity in conservative logic design. We introduce a conservative logic gate to design full adder with zero garb.ge count. The proposed two conservative logic gate (PCLG) is universal in nature. A tester reversib.e logic gate (TRLG) is designed to perform online test of proposed conservative logic gate (PCLG). We demonstrate the most promising two PCLG and a TRLG to design full adder and to online test of PCLG respectively. We compared our PCLG with well-known Fredkin gate in terms of implementation of thirteen standard functions. © 2014 Springer.

关键词： Logic gates

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Cryptanalysis of a rob.st smart card authentication scheme for multi-server architecture

Cryptanalysis of a robust smart card authentication scheme f...

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International Symposium on b.ometrics and Security technologies, ISb.ST

作者： Xiong Li Muhammad Khurram Khan Saru Kumari Junguo Liao Wei Liang School of Computer Science and Engineering Hunan University of Science and Technology Xiangtan China Department of Mathematics Agra Dr. B. R. A. University Agra Uttar Pradesh India Center of Excellence in Information Assurance King Saud University Riyadh Saudi Arabia

User authentication is an important security issue for network b.sed services. Multi-server authentication scheme resolves the repeated registration prob.em of single-server authentication scenario where the user has to register at different servers to access different types of network services. Recently, Pippal et al. proposed a smart card authentication scheme for multi-server architecture. They claimed that their scheme has some advantages and can resist kinds of attacks. In this paper, we analyze the weaknesses of Pippal et al.'s scheme, and point out that their scheme cannot provide correct authentication, cannot resist impersonation attack, stolen smart card attack, and insider attack. b.sides, their scheme is non-extensib.e when a new server added into the system.

关键词： Authentication Servers Smart cards Tin computer architecture Educational institutions

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