Academic literature on the topic 'Equivalence transformations'

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Journal articles on the topic "Equivalence transformations"

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Adhikari, S. "On Symmetrizable Systems of Second Kind." Journal of Applied Mechanics 67, no. 4 (2000): 797–802. http://dx.doi.org/10.1115/1.1322038.

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We discuss under what conditions multiple-parameter asymmetric linear dynamical systems can be transformed into equivalent symmetric systems by nonsingular linear transformations. So far, in structural dynamics literature this problem has been addressed in the context of the original work by Taussky. Taussky’s approach of symmetrization was based on similarity transformation. In this paper an approach is proposed to transform asymmetric systems into symmetric systems by equivalence transformation. We call Taussky’s approach of symmetrization by similarity transformation “first kind” and propos
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OEHME, REINHARD. "BRST ALGEBRA AND UNITARY TRANSFORMATIONS." Modern Physics Letters A 06, no. 37 (1991): 3427–35. http://dx.doi.org/10.1142/s021773239100395x.

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Unitary transformations are considered in a state space of indefinite metric. They may correspond to representations of groups or to equivalence transformations. Although the BRST algebra provides for the definition of an invariant subspace for the representatives of physical states, there is no such subspace for unphysical states, which can have non-vanishing components in the physical subspace. These components may be removed by equivalence transformations, but they are also generated by Lorentz transformations. Unitary equivalences are used for the definition of invariant sets of unphysical
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Kim, Yong-Chan, and Young-Sun Kim. "Fuzzy equivalence relations and transformations." International Journal of Fuzzy Logic and Intelligent Systems 5, no. 4 (2005): 322–26. http://dx.doi.org/10.5391/ijfis.2005.5.4.322.

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Meleshko, S. V. "Generalization of the Equivalence Transformations." Journal of Nonlinear Mathematical Physics 3, no. 1-2 (1996): 170–74. http://dx.doi.org/10.2991/jnmp.1996.3.1-2.19.

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Karampetakis, N. P., A. C. Pugh, and A. I. G. Vardulakis. "Equivalence Transformations of Rational Matrices." IFAC Proceedings Volumes 25, no. 21 (1992): 40–43. http://dx.doi.org/10.1016/s1474-6670(17)49711-4.

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Feng, Yougang. "Equivalence Transformations among Ising Models." Journal of Modern Physics 06, no. 01 (2015): 16–21. http://dx.doi.org/10.4236/jmp.2015.61003.

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Slavnov, A. A. "Equivalence theorem for spectrum changing transformations." Physics Letters B 258, no. 3-4 (1991): 391–94. http://dx.doi.org/10.1016/0370-2693(91)91105-5.

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Mamontov, E. V. "Equivalence transformations of the Clebsch equations." Siberian Mathematical Journal 49, no. 1 (2008): 123–29. http://dx.doi.org/10.1007/s11202-008-0012-1.

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Moreira, D. T., and J. ‐E Werth. "Canonical transformations and the equivalence problem." Journal of Mathematical Physics 27, no. 10 (1986): 2490–94. http://dx.doi.org/10.1063/1.527314.

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Pei, Huisheng, and Huijuan Zhou. "Abundant Semigroups of Transformations Preserving an Equivalence Relation." Algebra Colloquium 18, no. 01 (2011): 77–82. http://dx.doi.org/10.1142/s1005386711000034.

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Let X be a set with |X| ≥ 3, [Formula: see text] the full transformation semigroup on X, and E an equivalence relation on X. Let TE(X) be the set of transformations f in [Formula: see text] which preserve E, i.e., (x,y) ∈ E implies (f(x),f(y)) ∈ E. It is known that TE(X) is a subsemigroup of [Formula: see text]. In this paper, we describe the equivalence relations E so that the semigroup TE(X) is abundant.
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Dissertations / Theses on the topic "Equivalence transformations"

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Fretwell, Paul. "Equivalence transformations in linear systems theory." Thesis, Loughborough University, 1986. https://dspace.lboro.ac.uk/2134/33259.

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There is growing interest in infinite frequency structure of linear systems, and transformations preserving this type of structure. Most work has been centred around Generalised State Space (GSS) systems. Two constant equivalence transformations for such systems are Rosenbrock's Restricted System Equivalence (RSE) and Verghese's Strong Equivalence (str.eq.). Both preserve finite and infinite frequency system structure. RSE is over restrictive in that it is constrained to act between systems of the same dimension. While overcoming this basic difficulty str.eq. on the other hand has no closed fo
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Yan, Zifei. "Equivalence Transformations for a System of a Biological Reaction Diffusion Model." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2201.

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A biological reaction diusion model has gained much attention recently. This model is formulated as a system of nonlinear partial dierential equations that contains an unknown function of one dependent variable. How to determine this unknown function is complicated but also useful. This model is considered in this master thesis. The generators of the equivalence groups and invariant solutions are calculated.
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Pomet, Jean-Baptiste. "Equivalence et Linearisation des systèmes de contrôle." Habilitation à diriger des recherches, Université de Nice Sophia-Antipolis, 2009. http://tel.archives-ouvertes.fr/tel-00429825.

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<p>Les modèles de systèmes de contrôle en dimension finie et en temps continu sont les équations différentielles ordinaires sous-déterminées, c'est-à-dire prescrivant l'évolution d'une partie des variables alors que d'autres, les contrôles, sont libres. Cette sous-détermination fait que la classe de transformations possibles est très variée et que le problème est par exemple très différent de celui des systèmes dynamiques classiques (sans contrôle, ou équations différentielles ordinaires déterminées). On a fait, dans le chapitre 1 (le seul original) un effort de clarification des différents ty
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Hayakawa, Yoshikazu, and Tomohiko Jimbo. "Floquet Transformations for Discrete-time Systems: Equivalence between periodic systems and time-invariant ones." IEEE, 2008. http://hdl.handle.net/2237/12125.

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Gorgone, Matteo. "Symmetries, Equivalence and Decoupling of First Order PDE's." Doctoral thesis, Università di Catania, 2017. http://hdl.handle.net/10761/3901.

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The present Ph.D. Thesis is concerned with first order PDE's and to the structural conditions allowing for their transformation into an equivalent, and somehow simpler, form. Most of the results are framed in the context of the classical theory of the Lie symmetries of differential equations, and on the analysis of some invariant quantities. The thesis is organized in 5 main sections. The first two Chapters present the basic elements of the Lie theory and some introductory facts about first order PDE's, with special emphasis on quasilinear ones. Chapter 3 is devoted to investigate equivalence
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Webb, Benjamin Zachary. "Isospectral graph reductions, estimates of matrices' spectra, and eventually negative Schwarzian systems." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39521.

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This dissertation can be essentially divided into two parts. The first, consisting of Chapters I, II, and III, studies the graph theoretic nature of complex systems. This includes the spectral properties of such systems and in particular their influence on the systems dynamics. In the second part of this dissertation, or Chapter IV, we consider a new class of one-dimensional dynamical systems or functions with an eventual negative Schwarzian derivative motivated by some maps arising in neuroscience. To aid in understanding the interplay between the graph structure of a network and its dynamics
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Lynch, Steven T. (Steven Tyler). "Reactivity-equivalent physical transformation model for pin cell arrays." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62702.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 33).<br>The behavior of TRISO fuel used in high temperature gas reactors in order to achieve high fuel performance is difficult to model using traditional lattice codes due to the double-heterogeneity effect created by the multi-coated fuel kernels in a graphite matrix. A simple volume-weighted homogenization does not accurately reduce the problem to one degree of heterogeneity as it does not properly account f
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German, Brian Joseph. "A Riemannian Geometric Mapping Technique for Identifying Incompressible Equivalents to Subsonic Potential Flows." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14623.

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This dissertation presents a technique for the solution of incompressible equivalents to planar steady subsonic potential flows. Riemannian geometric formalism is used to develop a gauge transformation of the length measure followed by a curvilinear coordinate transformation to map a subsonic flow into a canonical Laplacian flow with the same boundary conditions. The method represents the generalization of the methods of Prandtl-Glauert and Karman-Tsien and gives exact results in the sense that the inverse mapping produces the subsonic full potential solution over the original airfoil, up to
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Lenc, Karel. "Representation of spatial transformations in deep neural networks." Thesis, University of Oxford, 2017. http://ora.ox.ac.uk/objects/uuid:87a16dc2-9d77-49c3-8096-cf3416fa6893.

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This thesis addresses the problem of investigating the properties and abilities of a variety of computer vision representations with respect to spatial geometric transformations. Our approach is to employ machine learning methods for finding the behaviour of existing image representations empirically and to apply deep learning to new computer vision tasks where the underlying spatial information is of importance. The results help to further the understanding of modern computer vision representations, such as convolutional neural networks (CNNs) in image classification and object detection and
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Fuller, Joanne Elizabeth. "Analysis of affine equivalent boolean functions for cryptography." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15828/1/Joanne_Fuller_Thesis.pdf.

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Boolean functions are an important area of study for cryptography. These functions, consisting merely of one's and zero's, are the heart of numerous cryptographic systems and their ability to provide secure communication. Boolean functions have application in a variety of such systems, including block ciphers, stream ciphers and hash functions. The continued study of Boolean functions for cryptography is therefore fundamental to the provision of secure communication in the future. This thesis presents an investigation into the analysis of Boolean functions and in particular, analysis of affine
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Books on the topic "Equivalence transformations"

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Genrich, Hartmann J. Equivalence transformations of PrT-Nets. Gesellschaft fur Mathematik und Datenverarbeitung, 1988.

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Gardner, Robert B. The method of equivalence and its applications. Society for Industrial and Applied Mathematics, 1989.

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Lawford, Mark Stephen. Transformational equivalence of timed transition models. National Library of Canada, 1992.

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Kechris, A. S. Topics in orbit equivalence. Springer, 2004.

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Kemp, Gordon C. R. Scale equivalence and the Box-Cox transformation. University of Essex, Dept. of Economics, 1996.

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Kemp, Gordon C. R. Scale equivalence and the Box-Cox transformation. Essex University, Department of Economics, 1998.

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Knight, D. R. Equivalence and transformation of entity-relationship type conceptual data models. UMIST, 1995.

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Manichev, Vladimir, Valentina Glazkova, and Кузьмина Анастасия. Numerical methods. The authentic and exact solution of the differential and algebraic equations in SAE systems of SAPR. INFRA-M Academic Publishing LLC., 2016. http://dx.doi.org/10.12737/13138.

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In the manual classical numerical methods are considered&#x0D; and algorithms for the decision of systems of the ordinary differential&#x0D; equations (ODE), nonlinear and linear algebraic equations&#x0D; (NAU and LAU), and also ways of ensuring reliability and demanded&#x0D; accuracy of results of the decision. Ideas, which still not are stated&#x0D; are reflected in textbooks on calculus mathematics, namely: decision&#x0D; systems the ODE without reduction to a normal form of Cauchy resolved&#x0D; rather derivative, and refusal from any numerical an equivalent -&#x0D; nykh of transformations
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Koli︠a︡da, S. F. Dynamics and numbers: A special program, June 1-July 31, 2014, Max Planck Institute for Mathematics, Bonn, Germany : international conference, July 21-25, 2014, Max Planck Institute for Mathematics, Bonn, Germany. Edited by Max-Planck-Institut für Mathematik. American Mathematical Society, 2016.

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Fretwell, P. Equivalence transformations in linear systems theory. 1986.

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Book chapters on the topic "Equivalence transformations"

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Tóth, Roland. "LPV Equivalence Transformations." In Modeling and Identification of Linear Parameter-Varying Systems. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13812-6_4.

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Ershov, A. P. "Calculus of Equivalence Transformations." In Origins of Programming. Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4612-3278-0_8.

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Genrich, H. J. "Equivalence Transformations of PrT-Nets." In High-level Petri Nets. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84524-6_15.

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Genrich, Hartmann J. "Equivalence transformations of PrT-Nets." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/3-540-52494-0_30.

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Toyama, Yoshihito. "On equivalence transformations for term rewriting systems." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/3-540-16470-7_3.

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van der Schaft, A. J. "Transformations of nonlinear systems under external equivalence." In New Trends in Nonlinear Control Theory. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0043015.

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Serfling, Robert. "On Invariant Within Equivalence Coordinate System (IWECS) Transformations." In Modern Nonparametric, Robust and Multivariate Methods. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22404-6_24.

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Köpke, Julius, and Johann Eder. "Equivalence Transformations for the Design of Interorganizational Data-Flow." In Advanced Information Systems Engineering. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19069-3_23.

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Janhunen, Tomi, and Ilkka Niemelä. "Applying Visible Strong Equivalence in Answer-Set Program Transformations." In Correct Reasoning. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30743-0_24.

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Shashidhar, K. C., Maurice Bruynooghe, Francky Catthoor, and Gerda Janssens. "Verification of Source Code Transformations by Program Equivalence Checking." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-31985-6_15.

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Conference papers on the topic "Equivalence transformations"

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Fagin, Ronald, and Phokion G. Kolaitis. "Local transformations and conjunctive-query equivalence." In the 31st symposium. ACM Press, 2012. http://dx.doi.org/10.1145/2213556.2213583.

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Baumgartner, Jason, Hari Mony, Viresh Paruthi, Robert Kanzelman, and Geert Janssen. "Scalable Sequential Equivalence Checking across Arbitrary Design Transformations." In 2006 International Conference on Computer Design. IEEE, 2006. http://dx.doi.org/10.1109/iccd.2006.4380826.

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Yang, Zhenkun, Kecheng Hao, Kai Cong, Sandip Ray, and Fei Xie. "Equivalence checking for compiler transformations in behavioral synthesis." In 2013 IEEE 31st International Conference on Computer Design (ICCD). IEEE, 2013. http://dx.doi.org/10.1109/iccd.2013.6657090.

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TRACINÀ, R., and C. SOPHOCLEOUS. "EQUIVALENCE TRANSFORMATIONS AND DIFFERENTIAL INVARIANTS FOR GENERALIZED WAVE EQUATIONS." In Proceedings of the 14th Conference on WASCOM 2007. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812772350_0078.

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Albeverio, Sergio, Shao-Ming Fei, and Xiao-Hong Wang. "Equivalence of bipartite quantum mixed states under local unitary transformations." In Proceedings of the First Sino-German Conference on Stochastic Analysis (A Satellite Conference of ICM 2002). WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702241_0002.

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Banerjee, Kunal, Chittaranjan Mandal, and Dipankar Sarkar. "Translation Validation of Transformations of Embedded System Specifications Using Equivalence Checking." In 2015 IEEE Computer Society Annual Symposium on VLSI (ISVLSI). IEEE, 2015. http://dx.doi.org/10.1109/isvlsi.2015.10.

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Zhu, Xue-Yang. "Work-in-Progress: Equivalence of Transformations of Synchronous Data Flow Graphs." In 2018 International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS). IEEE, 2018. http://dx.doi.org/10.1109/codesisss.2018.8525863.

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Torrisi, M., and R. Tracinà. "ON A CLASS OF REACTION DIFFUSION SYSTEMS: EQUIVALENCE TRANSFORMATIONS AND SYMMETRIES." In In Honor of the 65th Birthday of Antonio Greco. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812708908_0018.

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BHUTANI, O. P., and LIPIKA ROY CHOWDHURY. "ON EQUIVALENCE TRANSFORMATIONS AND EXACT SOLUTIONS OF A HELMHOLTZ TYPE EQUATION." In Proceedings of the Satellite Conference of ICM 2010. WORLD SCIENTIFIC, 2011. http://dx.doi.org/10.1142/9789814338820_0007.

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Lee, Chi-Hui, Che-Hua Shih, Juinn-Dar Huang, and Jing-Yang Jou. "Equivalence checking of scheduling with speculative code transformations in high-level synthesis." In 2011 16th Asia and South Pacific Design Automation Conference ASP-DAC 2011. IEEE, 2011. http://dx.doi.org/10.1109/aspdac.2011.5722241.

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Reports on the topic "Equivalence transformations"

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Zhang, Hongbin B., David J. Bonfil, and Shahal Abbo. Genomics Tools for Legume Agronomic Gene Mapping and Cloning, and Genome Analysis: Chickpea as a Model. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586464.bard.

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The goals of this project were to develop essential genomic tools for modern chickpea genetics and genomics research, map the genes and quantitative traits of importance to chickpea production and generate DNA markers that are well-suited for enhanced chickpea germplasm analysis and breeding. To achieve these research goals, we proposed the following research objectives in this period of the project: 1) Develop an ordered BAC library with an average insert size of 150 - 200 kb (USA); 2) Develop 300 simple sequence repeat (SSR) markers with an aid of the BAC library (USA); 3) Develop SSR marker
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