cryptography delayed dynamical systems and secure communication

... (Hurwitz) and D are solved from a pair of matrix equations (1.52) and (1.53) After findingL1, L2, N and D, from (1.50) and (1.51) we getJ andE.Interval observerConsider the following dynamical ... faults in both the first and second subsystems Faults \( f_1(t) \) and \( f_2(t) \) occur at \( t = 10s \) and \( t = 25s \), respectively, and are resolved by \( t = 15s \) and \( t = 35s \) During ... sensor failures in systems characterized by time delays in both state and input Their research, published in the IEEE Transactions on Systems, Man, and Cybernetics - Part A: Systems and Humans, emphasizes

Ngày tải lên: 05/05/2023, 11:26

... we onlyobtain a delayed or a mixed instantaneous and delayed state observer of nonlinear time-delay systems Trang 40Chapter 3A new observer for interconnected time-delay systems and its applications ... controls, devices, and subsystems are linked together through transmission lines andconnection bands Therefore, the information received about the state of the system is often delayed(i.e no instantaneous ... inputs Eω(t) and Dω(t) appear in equations (1) and (2),respectively (i.e., noise appears in the state and output information of control system) The authorstransformed the systems (1) and (2) (in

Ngày tải lên: 16/05/2023, 15:55

... Trang 1and Dynamical SystemsGerald Teschl Trang 21991 Mathematics subject classification 34-01Abstract This manuscript provides an introduction to ordinary differentialequations and dynamical systems ... of a dynamical system and discuss bility including the stable manifold and the Hartman–Grobman theorem forboth continuous and discrete systems sta-We prove the Poincar´e–Bendixson theorem and ... foriterated interval maps and ending with the Smale–Birkhoff theorem and theMelnikov method for homoclinic orbits Keywords and phrases Ordinary differential equations, dynamical systems,Sturm-Liouville

Ngày tải lên: 31/03/2014, 15:56

... 1.1 Dynamics 1 1.2 Order and Disorder 3 1.3 Orbit Coding 6 1.4 Dynamical Systems 9 1.4.1 Discrete Dynamical Systems 10 1.4.2 Continuous Dynamical Systems 11 2 Symbolic Image ... approach equilibriums A and B as t → +∞. Relationship between discrete and continuous dynamical tems Historically, in the dynamical systems theory continuous dynamical sys-systems governed by ordinary ... graph with the aim to compute an expanding metric for dynamical systems An analogous tool for discretization of dynamical systems was applied by F.S Hunt [58] and Diamond et al [38].Furthermore,

Ngày tải lên: 11/05/2018, 15:53

... 29 Stability and Liapunov Functions 2.10 Saddles, Nodes, Foci and Centers 2.11 Nonhyperbolic Critical Points in R? 2.12 Gradient and Hamiltonian Systems Trang 3Dynamical Systems and Global Existence ... Equations: A ‘Dynamical Systems A; Ordinary Differentis} Equations 6 Sontag: Mathematical Control Theory: Deterministic Finite Dimensional Systems 7 Perko: Differential Equations and Dynamical Systems ... the rescarch frontier as newer techniques, such as numerical and symbolic computer systems, dynamical systems, and chaos, mix with and reinforce the traditional methods of applied mathematics

Ngày tải lên: 11/05/2018, 16:12

... start secure, stay secure and return secure+ (i.e return with increased security than before) [13] after performing its function. 1.2 Current State of Technology Current industry-standard cloud systems ... diversification and randomizations are consideredmature and tightly integrated into some operating systems Most of these defensive securitymechanisms (i.e instruction/memory address randomizations) ... system and data resiliency that is capable of dynamically adapting to attack and failure conditions through performance/cost-aware process and data replication, data provenance tracking and automated

Ngày tải lên: 20/05/2018, 19:55

... dist(γ(t), S) → 0, as t goes to infinity In this sense, gradient systems are much simpler than general dynamical systems (1.1), and the study of their behavior around singularities results in ... (nonsmooth) ÃLojasiewicz gradient inequalities and Sard–type theorems The former topic will be introduced via the asymptotic analysis of dynamical systems of (sub)gradient type; its consequences ... Quasiconvex planar systems 6 2 ÃLojasiewicz inequality and generalizations 8 2.1 Defragmented gradient curves 9 2.2 The Kurdyka-ÃLojasiewicz inequality: characterizations and applications

Ngày tải lên: 28/09/2018, 20:54

... invariant under ϕ, and if M is a differentiable manifold we call M an invariant manifold. A complete understanding of a dynamical system ϕ is equivalent to finding (and understanding) all solutions ... 56, 55] are formulated andproven in terms of Lie algebras of vector fields and this allowed for a general-ization to volume-preserving, Hamiltonian and reversible dynamical systems, 4 For instance, ... activities of the European research and training network Mechanics And Symmetry In Europe I also thank the Stichting Fondamenteel Onderzoek der Materie and the Alexander von Humboldt Stiftung for

Ngày tải lên: 07/09/2020, 13:18

... fixed dynamical property Andronov and Pontriagin [1] considered dynamical system on the disk D2 and said that a system X is “rough” if, by perturbing it slightly in the C1, one gets a system Y X and ... discrete-time, impulsive and singularly perturbed large scale dynamical systems The definitions for various types of motion stability of nonau-tonomous and nonlinear systems are presented Section ... large scale dynamical systems and a concept of nonclassical structural perturbations These types of systems are investigated in Chapters 2 – 5 for the same classes of large scale systems of equations

Ngày tải lên: 13/01/2021, 10:21

... order to understand the global behaviour of differential equation systems Julia considered complex maps and the outstanding works of Russian mathematicians like Andronov, Liapunov and Arnold really ... concentrate on discrete dynamical systems There are several reasons for such a choice As already metioned, there is a rich and vast literature on continuous dynamical systems, but there are only ... remote and challenging locations— we invent, design, engineer, and apply technology to help our customers find and produce oil and gas safely. Who are we looking for? Every year, we need thousands

Ngày tải lên: 21/01/2021, 08:53

... Web Programming Lecture 17: SSL and HTTPS for Secure Communication Trang 2Security ProblemsMajor concerns: • Encryption of sensitive data sent between client and server • Authentication of server ... get “secure” session Trang 18• Https protocol is expensive– Should not do unless necessary • Once done with secure transactions, should go back to using non-secure channel – Return to non-secure ... browser Trang 9SSL Protocol• Secure Socket Layer protocol for web communication – Latest upgrade: Transport Layer Security (TLS) – Same structure as SSL, somewhat more secure Trang 10SSL ProtocolPhase

Ngày tải lên: 29/03/2021, 10:55

... networks; satellite andspace communications and networks; optical communications and networks; free-spaceoptical communications; cognitive communications and networks; green communicationsand networks; ... VoIP and IPTV; transmission media and systems; switchingand routing (from legacy to next-generation paradigms); telecommunication software;wireless communication systems; wireless, cellular and ... IoT identity anddata management, privacy, trustless architectures and secured communications, andmonetization of IoT data and resources Considering the aforementioned applications and the importance

Ngày tải lên: 14/03/2022, 15:32

... Havewala, 2001and Copyright by Sarosh Havewala, 2001voice-mail Copyright by Sarosh Havewala, 2001systems Trang 19Chapter 3 – Security in Cellular Systems3.1 Need for Security in Cellular Systems Cellular ... 2001 andentertainment Copyright by Sarosh Havewala, 2001 electronics, Copyright by Sarosh Havewala, 2001 diagnosis Copyright by Sarosh Havewala, 2001 systems Copyright by Sarosh Havewala, 2001 and ... Copyright by Sarosh Havewala, 2001random Copyright by Sarosh Havewala, 2001challenge Copyright by Sarosh Havewala, 2001(RAND) Copyright by Sarosh Havewala, 2001and Copyright by Sarosh Havewala,

Ngày tải lên: 18/10/2022, 11:44

... desirable both during the initial concept and architecture phases of new systems and systems of systems and for the evaluation of existing systems and systems of systems for cyber resilience” [Hassell, ... Trang 1Cyber Resilient and Secure Systems A Path Towards Cyber Resilient and Secure Systems Metrics & Measures Framework Final WhitepaperApril 2016 Prepared by: Systems Engineering Division ... resilient and secure systems which are at least one and at best two generations ahead of our adversaries As defense system integrators and the extended industrial base designs, develops, test, and

Ngày tải lên: 30/10/2022, 18:14

... Trang 2 TS THÁI THANH TÙNG Gi¸o tr×nh MẬT MÃ HỌC & HỆ THỐNG THÔNG TIN AN TOÀN (CRYPTOGRAPHY AND SECURE INFORMATION SYSTEM) NHÀ XUẤT BẢN THÔNG TIN VÀ TRUYỀN THÔNG Trang 3GD 15 HM 11Trang ... sở lý thuyết và công nghệ để thực hiện việc xây dựng và sử dụng các hệ thống mật mã Mật mã học (cryptography) là một lĩnh vực liên quan đến các kỹ thuật ngôn ngữ học và toán học để đảm bảo an ... hợp cho mọi người, đó là: sự xuất hiện của tiêu chuẩn mật mã hóa dữ liệu DES (Data Encryption Standard) và sự ra đời của các kỹ thuật mật mã hóa khóa công khai Từ hơn mười năm trước, cứ vào tháng

Ngày tải lên: 09/03/2024, 06:24

... receipt, storage, distribution and use of vaccines in AEFI vaccine(s) at provincial and district levels 8.1.The receipt, storage and distribution of vaccines at provincial and district levels Investigation ... Science Technology and Training (ASTT); National Institute for Control of Vaccine and Biologicals (NICVB); Professional Advisory Council of assessing AEFIs after using vaccine and biological products ... Administration of Vietnam/ Department of Science, Technology and Training /National Institute for vaccines and biologicals Instantly review and test the AEFI reports if there is any similarity in

Ngày tải lên: 15/05/2024, 11:02

... Pascal and the Fig-trees Some Are More Equal Than Others - Graphics on 12.1 Other Systems 12.2 MS-DOS and PS/2 Systems UNIX Systems 12.3 Macintosh Systems 12.4 Atari Systems 12.5 Apple II Systems ... data, and supercomputers, the success rate of computer-generated predictions stands no higher than 80 per cent Why is it not better? Dynamical Systems and Fractals chemistry and mathematics, and ... in different operating systems and programming languages The contents apply to MS-DOS systems with Turbo Pascal and UNIX 4.2 BSD systems, with hints on Berkeley Pascal and C Further example programs,...

Ngày tải lên: 26/10/2013, 17:15

... Dynamical Systems and Control Stability and Control: Theory, Methods and Applications A series of books and monographs on the theory of stability and control Edited by A.A ... Foundation and CPNq The organizers are grateful for the support of these agencies Firdaus E Udwadia “DynamicalSystems” — 2004/3/7 — page #xii “DynamicalSystems” — 2004/3/4 — page #1 PART I “DynamicalSystems” ... Cataloging-in-Publication Data Dynamical systems and control / edited by F.E Udwadia, G Leitmann, and H.I Weber p cm (Stability and control ; v.22) Includes bibliographical references and index ISBN 0-415-30997-2...

Ngày tải lên: 01/01/2014, 20:16

... THEORY AND FIELD THEORY Dynamics of Correlations A Formalism for Both Integrable and Nonintegrable Dynamical Systems By I Prigogine 261 Generalized Quantum Field Theory By E C G Sudarshan and Luis ... ‘‘Irreversible Processes and Dynamical Systems. ’’ The Institutes evolved into a mini Institute for Advanced Study centered around complex systems, nonlinear dynamics, and thermodynamics In that ... subject of the XXIst Conference, ‘ Dynamical Systems and the Arrow of Time,’’ is closest to the XVIIth conference, ‘‘Order and Fluctuations in Equilibrium and Nonequilibrium Statistical Mechanics,’’...

Ngày tải lên: 24/04/2014, 16:50

... satellite communication systems and the required security properties to efficiently establish a secure mobile satellite communication link [1,12-16] Page of 10 2.1 Mobile satellite communication systems ... personal communication systems due to their large broadcasting range and communication area, small attenuation of the signals, and a shorter transmission delay [1] The LEO satellite communication ... over communications between NCC and LEO satellites In general, many different telecommunication systems are connected together via the satellite communication model to provide diversified communication...

Ngày tải lên: 21/06/2014, 00:20