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Littérature scientifique sur le sujet « Cyclic matrice »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Cyclic matrice"

Uygun, Hilmiye Deniz Ertugrul, Nihat Tinkilic, Azade Attar, and Ibrahim Isildak. "Development of Potentiometric Lactate Biosensor Based on Composite pH Sensor." Journal of New Materials for Electrochemical Systems 19, no. 3 (2016): 151–56. http://dx.doi.org/10.14447/jnmes.v19i3.313.

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In this study, a micro-sized lactate sensitive biosensor based on polyvinylchloride, quinhydrone and graphite composite pH sensing platform was developed. Lactate oxidase was immobilized on the composite layer as the biorecognition element. Transformation reaction of lactate to pyruvate and hydrogen peroxide was the basis of this biosensor system. In the reaction, hydrogen peroxide undergoes to give hydronium ions into solution, and the pH sensitive membrane detects the adjunct hydronium ions potentiometrically. The surface of lactate biosensor based composite pH sensing matrice was first exam

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admin, admin, and Mohammad Abobala. "On The Computational Properties of 3-Cyclic and 4-Cyclic Refined Matrices and the Diagonalization Algorithm." International Journal of Advances in Applied Computational Intelligence 6, no. 2 (2024): 37–45. http://dx.doi.org/10.54216/ijaaci.060204.

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This paper is concerned with studying the matrix computations of 3-cyclic refined neutrosophic matrices and 4-cyclic refined neutrosophic matrices with 3cyclic4-cyclic real entries, where we introduce a novel method to compute eigenvalues and vectors of these matrix classes. Also, we provide a novel algorithm for diagonalization these matrices and to determine whether an n-cyclic refined matrix is diagonalizable or not for n=3, 4.

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Tarasov, Vitaly. "Cyclic monodromy matrices forsl(n) trigonometricR-matrices." Communications in Mathematical Physics 158, no. 3 (1993): 459–83. http://dx.doi.org/10.1007/bf02096799.

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Shinjo, Masato, Tan Wang, Masashi Iwasaki, and Yoshimasa Nakamura. "Roots of Characteristic Polynomial Sequences in Iterative Block Cyclic Reductions." Mathematics 9, no. 24 (2021): 3213. http://dx.doi.org/10.3390/math9243213.

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The block cyclic reduction method is a finite-step direct method used for solving linear systems with block tridiagonal coefficient matrices. It iteratively uses transformations to reduce the number of non-zero blocks in coefficient matrices. With repeated block cyclic reductions, non-zero off-diagonal blocks in coefficient matrices incrementally leave the diagonal blocks and eventually vanish after a finite number of block cyclic reductions. In this paper, we focus on the roots of characteristic polynomials of coefficient matrices that are repeatedly transformed by block cyclic reductions. We

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Zheng, Yanpeng, and Xiaoyu Jiang. "Quasi-cyclic displacement and inversion decomposition of a quasi-Toeplitz matrix." AIMS Mathematics 7, no. 7 (2022): 11647–62. http://dx.doi.org/10.3934/math.2022649.

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<abstract><p>We study a class of column upper-minus-lower (CUML) Toeplitz matrices, which are "close" to the Toeplitz matrices in the sense that their ($ 1, -1 $)-cyclic displacements coincide with $ \varphi $-cyclic displacement of some Toeplitz matrices. Among others, we derive the inverse formula for CUML Toeplitz matrices in the form of sums of products of factor circulants by constructing the corresponding displacement of the matrices. In addition, by the relationship between CUML Toeplitz matrices and CUML Hankel matrices, the inverse formula for CUML Hankel matrices is also

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Nadweh, Rama Asad, Rozina Ali, and Maretta Sarkis. "On The Algebraic Properties of 2-Cyclic Refined Neutrosophic Matrices and The Diagonalization Problem." Neutrosophic Sets and Systems 54 (April 11, 2023): 77–88. https://doi.org/10.5281/zenodo.7817646.

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The n-cyclic refined neutrosophic algebraic structures are very diverse and rich materials. In this paper, we study the elementary algebraic properties of 2-cyclic refined neutrosophic square matrices, where we find formulas for computing determinants, eigen values, and inverses. On the other hand, we solve the diagonalization problem of these matrices, where a complete algorithm to diagonlaize every diagonalizable 2-cyclic refined neutrosophic square matrix is obtained and illustrated by many related examples.

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Sergeev, A. "Interrelation of Symmetry and Antisymmetry of Quasi-Orthogonal Cyclic Matrices with Prime Numbers." Proceedings of Telecommunication Universities 8, no. 4 (2023): 14–19. http://dx.doi.org/10.31854/1813-324x-2022-8-4-14-19.

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Quasi-orthogonal Hadamard matrices and Mersenne matrices with two and three values of the elements, used in digital data processing, are considered, as well as the basis of error-correcting codes and algorithms for transforming orthogonal images. Attention is paid to the structures of cyclic matrices with symmetries and antisymmetries. The connection between symmetry and antisymmetry of structures of cyclic Hadamard and Mersenne matrices on a orders equal to prime numbers, products of close primes, composite numbers, powers of a prime number is shown. Separately, orders equal to the degrees of

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Neumann, Peter M., and Cheryl E. Praeger. "Cyclic Matrices Over Finite Fields." Journal of the London Mathematical Society 52, no. 2 (1995): 263–84. http://dx.doi.org/10.1112/jlms/52.2.263.

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Dazheng, Lin. "Fibonacci-Lucas Quasi-Cyclic Matrices." Fibonacci Quarterly 40, no. 3 (2002): 280–86. http://dx.doi.org/10.1080/00150517.2002.12428658.

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Tam, Bit-Shun. "On matrices with cyclic structure." Linear Algebra and its Applications 302-303 (December 1999): 377–410. http://dx.doi.org/10.1016/s0024-3795(99)00097-x.

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Thèses sur le sujet "Cyclic matrice"

Godeau, Amélie. "Cyclic contractions contribute to 3D cell motility." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAF038/document.

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La motilité des cellules est un phénomène fondamental en biologie souvent étudié sur des surfaces planes, conditions peu physiologiques. Nous avons analysé la migration cellulaire dans une matrice cellulaire 3D contenant de la fibronectine fluorescente. Nous démontrons que les cellules y sont confinées, et déforment leur environnement de manière cyclique avec une période de ~14 min avec deux centres de contractions à l’avant et à l’arrière de la cellule qui contractent avec un déphasage de ~3.5 min. Une perturbation de ces cycles entraîne une réduction de la motilité. Par l’utilisation d’inhib

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Raud, Christophe. "Fissuration des composites carbone à matrice thermostable en traction isotherme et cyclage thermique." Cachan, Ecole normale supérieure, 1993. http://www.theses.fr/1993DENS0013.

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Ce travail vise a mieux comprendre les phénomènes qui régissent la microfissuration des stratifies carbone/matrice organique thermostable. Deux matériaux représentatifs des classes de température 200-250c (t800/5250 et t800/pmr-15), élaborés suivant plusieurs conditions de moulage, ont été étudiés. Il s'agit de déterminer l'influence des paramètres de fabrication sur la sensibilité a la microfissuration d'un drapage modelé 0#2,90#2#s dans des conditions de chargement quasi-statiques (traction uniaxiale) ou en sollicitation thermique alternée : en isotherme, des essais en traction statique inte

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Racle, Elie. "Comportement d'un composite à matrice céramique en fatigue et mise en place d'indicateurs d'endommagement par émission acoustique." Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0071.

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La compréhension du comportement d'un composite à matrice céramique (CMC) lorsqu'il est sollicité en fatigue est l'un des points clés pour permettre son utilisation dans un cadre industriel. Il est en effet nécessaire de déterminer la chronologie des différents mécanismes d'endommagement ainsi que d'estimer la durée de vie en conditions d'utilisation. Il est alors nécessaire de réaliser une caractérisation mécanique mais aussi de définir des indicateurs d'endommagement permettant la prévision de durée de vie. Dans ce but, il est intéressant de coupler l'analyse des paramètres mécaniques et les

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Shi, Yue. "Micro-mechanics-based models of monotonic and cyclic behaviors of quasi-brittle rock-like materials having an elasto-viscoplastic matrix with microcracks." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. https://pepite-depot.univ-lille.fr/ToutIDP/EDENGSYS/2023/2023ULILN057.pdf.

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L'objectif principal de cette thèse est de modéliser le comportement mécanique macroscopique des géomatériaux dans des conditions de chargement instantané et dépendant du temps. Dans ce contexte, le matériau étudié est modélisé du point de vue de la microstructure en utilisant des schémas de localisation et d'homogénéisation bien adaptés. À l'échelle microscopique, on suppose que les microfissures ont une morphologie en forme de penny et qu'elles sont intégrées de manière aléatoire dans une matrice solide isotrope. Dans le cadre de la thermodynamique, deux variables internes, la déformation in

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DI, GRAVINA LUCA MARIA. "Some questions about the Möbius function of finite linear groups." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/371474.

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La funzione di Möbius definita per insiemi parzialmente ordinati localmente finiti è un classico strumento di analisi combinatoria. Si tratta di una generalizzazione della funzione di Möbius nota in teoria dei numeri e ha varie applicazioni pure in teoria dei gruppi, dalla caratteristica di Eulero di complessi di sottogruppi fino allo studio di aspetti algebrici in automi cellulari. Nella prima parte della tesi richiamiamo alcune informazioni elementari per strutture d'ordine che sono legate alla funzione di Möbius, e ne presentiamo le principali proprietà, quali ad esempio la formula di inver

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Dridi, Marwa. "Sur les méthodes rapides de résolution de systèmes de Toeplitz bandes." Thesis, Littoral, 2016. http://www.theses.fr/2016DUNK0402/document.

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Cette thèse vise à la conception de nouveaux algorithmes rapides en calcul numérique via les matrices de Toeplitz. Tout d'abord, nous avons introduit un algorithme rapide sur le calcul de l'inverse d'une matrice triangulaire de Toeplitz en se basant sur des notions d'interpolation polynomiale. Cet algorithme nécessitant uniquement deux FFT(2n) est manifestement efficace par rapport à ses prédécésseurs. ensuite, nous avons introduit un algorithme rapide pour la résolution d'un système linéaire de Toeplitz bande. Cette approche est basée sur l'extension de la matrice donnée par plusieurs lignes

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Kahn, Cyril. "Ingénierie tissulaire des ligaments : conception d'un bioréacteur et étude des propriétés mécaniques." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL010N/document.

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L’ingénierie tissulaire vise à l’élaboration de prothèses biologiques par la régénération ou la culture, in vitro ou in vivo, de tissus ou d’organes. Dans la stratégie de culture in vitro, le développement de nouveaux outils, tels que des bioréacteurs, permettant la culture de cellules ou de tissus sous sollicitations mécaniques spécifiques au tissu est primordial. De plus, l’avancée de cette discipline dans la régénération des tissus nécessite de développer, dès à présent, des méthodes d’évaluation mécanique satisfaisantes permettant de comparer ces néo-tissus aux tissus sains selon des critè

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吳堉榕 and Yuk-yung Ng. "Cyclic menon difference sets, circulant hadamard matrices and barker sequences." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31211823.

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Ng, Yuk-yung. "Cyclic menon difference sets, circulant hadamard matrices and barker sequences /." [Hong Kong] : University of Hong Kong, 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13814291.

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Craciun, Ovidiu Engineering &amp Information Technology Australian Defence Force Academy UNSW. "Matric suction response of unbound granular base materials subject to cyclic loading." Awarded by:University of New South Wales - Australian Defence Force Academy. Engineering & Information Technology, 2009. http://handle.unsw.edu.au/1959.4/43927.

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The emergence of analytically-based pavement design has encouraged investigations toward a better understanding of the behaviour of pavement layers under cyclic loading. Unbound granular base (UGB) materials are commonly placed as base course layers in the design of pavement foundations. Due to their nature and geometry they are unsaturated geo-materials and therefore, it is desirable to study their behaviour using the framework of unsaturated soil mechanics. Current literature reflects very limited achievements in this direction. This thesis presents the development of a cyclic triaxial test

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Livres sur le sujet "Cyclic matrice"

N, Lee Kang, Miller Robert A. 1947-, and NASA Glenn Research Center, eds. Thermal conductivity and thermal gradient cyclic behavior of refractory silicate coatings on SiC/SiC ceramic matrix composites. National Aeronautics and Space Administration, Glenn Research Center, 2001.

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Castelli, Michael G. Characterization of damage progression in SCS-6/Timetal 21S [0]₄ under thermomechanical fatigue loadings. National Aeronautics and Space Administration, 1994.

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S, Majumdar Bhaskar, and United States. National Aeronautics and Space Administration., eds. In-phase thermomechanical fatigue mechanisms in an unidirectional SCS-6/Ti 15-3 MMC. National Aeronautics and Space Administration, 1995.

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Heijungs, Reinout. The Computational Structure of Life Cycle Assessment. Springer Netherlands, 2002.

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Kevin, O'Brien T., Rousseau Carl Q, and United States. National Aeronautics and Space Administration., eds. Fatigue life methodology for tapered composite flexbeam laminates. National Aeronautics and Space Administration, 1997.

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Kevin, O'Brien T., Rousseau Carl Q, and Langley Research Center, eds. Fatigue life methodology for tapered composite flexbeam laminates. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Chapitres de livres sur le sujet "Cyclic matrice"

Chawla, Nikhilesh, and Krishan K. Chawla. "Cyclic Fatigue." In Metal Matrix Composites. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-9548-2_8.

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Chawla, K. K. "Mechanical behavior: load transfer; monotonic, cyclic and creep behavior." In Ceramic Matrix Composites. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4757-2216-1_7.

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Chawla, K. K. "Mechanical Behavior: Load Transfer; Monotonic, Cyclic, and Creep Behavior." In Ceramic Matrix Composites. Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-1029-1_7.

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Vulfson, Iosif. "Vibration Analysis of Cyclic Machines Using Modified Transition Matrices." In Foundations of Engineering Mechanics. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12634-0_8.

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Bertolazzi, Enrico. "Parallel Cyclic Reduction of Bordered Almost Block Diagonal Matrices." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-81244-6_3.

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Rouby, D., O. Penas, and P. Reynaud. "Anelastic Behaviour of Ceramic Matrix Composites during Cyclic Fatigue." In High Temperature Ceramic Matrix Composites. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527605622.ch68.

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Audit, Philippe. "Use of Cyclic Matrices to Obtain Analytic Expressions for Crystals." In Springer Series in Solid-State Sciences. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-82444-9_9.

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Zhiyong, Zheng, Liu Fengxia, Huang Wenlin, Xu Jie, and Tian Kun. "A Generalization of NTRUEncrypt." In Financial Mathematics and Fintech. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2366-3_6.

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AbstractThe main purpose of this chapter is to give a more general construction of NTRU based on ideal matrices and q-ary lattice theory. To understand our construction, first we discuss a more general form of the ordinary cyclic code, namely $$\phi $$ ϕ -cyclic code, which firstly appeared in (Lopez-Permouth et al., 2009; Shi et al., 2020); thus, we give a more generalized NTRUEncrypt from replacing finite field by real number field $$\mathbb {R}$$ R .

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Zheng, Zhiyong, Kun Tian, and Fengxia Liu. "Cyclic Lattices and Ideal Lattices." In Financial Mathematics and Fintech. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7644-5_5.

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AbstractCyclic lattices and ideal lattices were introduced by Micciancio in [45], Lyubashevsky and Micciancio in [40], respectively, which play an efficient role in Ajtai’s construction of a collision-resistant Hash function and in Gentry’s construction of fully homomorphic encryption [22]. Let $$R=\mathbb {Z}[x]/<\phi (x)>$$ be a quotient ring of the integer coefficients polynomials ring, Lyubashevsky and Micciancio regarded an ideal lattice as the correspondence of an ideal of R, but they neither explain how to extend this definition to whole Euclidean space $$\mathbb {R}^n$$, nor exhi

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Xu, Hengzhou, Baoming Bai, Hai Zhu, Mengmeng Xu, and Bo Zhang. "Quasi-Cyclic LDPC Codes Constructed Based on Row-Column Constrained Matrices." In Communications in Computer and Information Science. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7877-4_27.

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Actes de conférences sur le sujet "Cyclic matrice"

Lua, Jim, Anisur Rahman, Dinh Pham, and Nam Phan. "A Progressive Damage Model for Fatigue Analysis of Woven Fabric Composites." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12889.

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An efficient two-step progressive damage model has been developed to predict the accumulated damage and fatigue life of woven fabric composite materials. A stress-based failure criterion coupled with a continuum damage approach is employed to predict the damage in fabric materials when loaded up to the desired stress level. Upon fatigue cyclic loading, fatigue damage initiation and propagation in the warp and weft tows, in the matrix constituent and their interfaces are evaluated with S-N based accumulation models characterizing the cycle-dependent strengths in the fiber tows and the matrix su

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Miyashita, Junki, Takahiro Tsuda, and Kenji Horikiri. "Evaluation of Protective Coating Performance in a Cyclic-Temperature Environment." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07304.

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Abstract A cyclic-temperature environment is recognized as a severe condition for coatings. In oil and gas plant facilities a dehydrator is a typical kind of equipment operating in the most severe cyclic-temperature environment ranging from ambient to 300 deg-C. For a dehydrator, three coatings (i.e., “a heat resistant silicone liquid coating”, “an inorganic copolymer or coatings with an inert multipolymeric matrix liquid coating” or “a thermal sprayed aluminum coating”) are typically applied. However, no experimental data comparing the performance of these coatings, i.e., heat cycle stability

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Isdrailă, Tudor-Alexandru, and Jun-Yi Wu. "Evaluating cyclic translational symmetry in boson sampling systems with few detectors." In Quantum 2.0. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/quantum.2024.qtu3a.5.

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Tomography of multi-photon states represents a complex procedure requiring a large number of photon number resolving detectors. By expanding an efficient single-photon tomography protocol we recover a reduced density matrix with just two detectors.

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Macha, Erica N., and James F. Dante. "Characterization of Accelerated Test Environments Using Galvanically Coupled Multi-Electrode Arrays." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05982.

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Abstract The difficulty of replicating service-environment corrosion failure modes in accelerated laboratory testing is a well-known and well-documented challenge facing the atmospheric corrosion community. Several recent studies have highlighted the importance of cyclic variations in the test environment for recreating corrosion damage which is similar to real-world damage. A thorough understanding of the effects of these cyclic variations is critical to the development of improved accelerated tests. In this work, multi-electrode arrays and corrosion sensors are used to characterize the corro

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Mazumder, Golam Rakib, Souvik Chakraborty, Mahbub Alam Maruf, Jeffrey C. Suhling, and Pradeep Lall. "Incorporation of Damage in Creep Models for SAC305 Lead Free Solder." In ASME 2023 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/ipack2023-112030.

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Abstract Solder joints in electronic packages often experience fatigue failures due to cyclic mechanical stresses and strains in fluctuating temperature environments. This cyclic loading of the solder is induced by mismatches in coefficients of thermal expansion and leads to damage accumulation that contributes to crack initiation, crack propagation, and eventually to failure. In our previous paper at InterPACK 2022, we investigated the accumulation of damage in several lead-free solder materials during mechanical cycling. Circular cross-sectioned solder specimens were first reflowed, and thes

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Mazumder, Golam Rakib, Mohammad Ashraful Haq, Jeffrey C. Suhling, and Pradeep Lall. "Effects of Mechanical Cycling Induced Damage on the Creep Response of SAC305 Solder." In ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipack2022-93878.

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Abstract In electronic packaging, lead-free solders often experience fatigue failures due to thermal-mechanical cyclic stress and strain caused by changing temperatures and mismatches in thermal expansion coefficients. As a result, damage accumulates in the solder joints including plastic deformation, crack initiation, crack propagation, and finally failure occur. In our previous work, changes in the mechanical behavior of SAC305 lead free solder due to prior damage accumulation was investigated. Circular cross-section solder specimens were first reflowed, and these samples were then mechanica

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Sharma, Pradeep, and Abhijit Dasgupta. "The Connection Between Microstructural Damage Modeling and Continuum Damage Modeling for Eutectic Sn-Pb Solder Alloys." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39185.

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Researchers resort to a wide range of simplified representations at the continuum scale, to model creep-fatigue damage in viscoplastic heterogeneous materials such as Sn-Pb eutectic solders, caused by thermo-mechanical and mechanical cyclic loading (e.g. due to power cycling, environmental temperature cycling, vibration, etc). Typically, in macroscale phenomenological damage models, the cyclic damage is assumed to depend on some loading parameter such as cyclic strain range, work dissipation per cycle, partitioned strain range, partitioned work dissipation per cycle, cyclic entropy changes, cy

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Alieva, Tatiana, and Martin J. Bastiaans. "Powers of transfer matrices and cyclic cascades." In ICO XVIII 18th Congress of the International Commission for Optics, edited by Alexander J. Glass, Joseph W. Goodman, Milton Chang, Arthur H. Guenther, and Toshimitsu Asakura. SPIE, 1999. http://dx.doi.org/10.1117/12.355031.

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Xu, Guangjie, Huali Wang, Weijun Zeng, Qingguo Wang, and Jun Jin. "Compressed sampling using structurally mixed cyclic measurement matrices." In 2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP). IEEE, 2014. http://dx.doi.org/10.1109/wcsp.2014.6992206.

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Matyushkin, Igor, and Pavel Rubis. "CELLULAR AUTOMATA ALGORITHMS FOR PSEUDORANDOM NUMBERS GENERATION." In International Forum “Microelectronics – 2020”. Joung Scientists Scholarship “Microelectronics – 2020”. XIII International conference «Silicon – 2020». XII young scientists scholarship for silicon nanostructures and devices physics, material science, process and analysis. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1648.silicon-2020/354-357.

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Work describes four permutation algorithms of square matrices based on cyclic rows and columns shifts. This choice of discrete transformation algorithms is justified by the convenience of the cellular automaton (CA) formulation. Output matrices can be considered as pseudo-random sequences of numbers. As a result of numerical calculation, empirical formulas are obtained for the permutation period and the function of the period of a single CA-cell on the order of the matrix n. As a parameter of CA dynamics, we analyze two "mixing metrics" on permutations of the matrix (compared to the initial ma

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Rapports d'organisations sur le sujet "Cyclic matrice"

Kinikles, Dellena, and John McCartney. Hyperbolic Hydro-mechanical Model for Seismic Compression Prediction of Unsaturated Soils in the Funicular Regime. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2022. http://dx.doi.org/10.55461/yunw7668.

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A semi-empirical elasto-plastic constitutive model with a hyperbolic stress-strain curve was developed with the goal of predicting the seismic compression of unsaturated sands in the funicular regime of the soil-water retention curve (SWRC) during undrained cyclic shearing. Using a flow rule derived from energy considerations, the evolution in plastic volumetric strain (seismic compression) was predicted from the plastic shear strains of the hysteretic hyperbolic stress-strain curve. The plastic volumetric strains are used to predict the changes in degree of saturation from phase relationships

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Carrigee, Lyndsay, Carina Jung, Matthew Carr, and Karl Indest. Bacterial remediation of microsystin-HAB toxins utilizing microcystinase (MlrA). Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49673.

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Microcystins are a class of hepatotoxins produced by some harmful algal bloom–associated cyanobacteria and are the most reported toxins in freshwaters. Their cyclic structure makes them resistant to conventional methods used in water treatment operations (boiling, chlorination, and UV treatment). Some bacteria can naturally degrade microcystins via the mlrABCD cluster, a pathway initiated by the primary enzyme microcystinase (MlrA). MlrA linearizes the cyclic microcystin, greatly reducing its toxicity. Protein fusion was employed to produce a recombinant MlrA enzyme fused to maltose-binding pr

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Maydykovskiy, Igor. Consciousness as a new form of the matter’s state. Intellectual Archive, 2021. http://dx.doi.org/10.32370/iaj.2555.

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The article discusses the physical model of the implicative form of Consciousness in the form of a holographic wave matrix, for which the material basis is directly the phase environment that fills the entire Space. It is shown that a similar form of Consciousness that exists outside the human brain can be represented as a kind of software shell that controls all forms of matter by implementing a fractal cyclic iterative algorithm. The condition for the completion of each iterative cycle at each scale level is the observance of the laws of symmetry that ensure the survival of the object in the

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White, Kenneth W. Modeling of Failure in Monolithic and Ceramic Matrix Composite Under Static and Cyclic Loading. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada430835.

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Taya, M., M. S. Lui, W. D. Armstrong, and M. L. Dunn. Damage Accumulation in Advanced Metal Matrix Composites Under Thermal Cycling/Creep Loadings. Defense Technical Information Center, 1993. http://dx.doi.org/10.21236/ada271207.

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Morrison, Jay. Ceramic Matrix Composite Advanced Transition for 65% Combined Cycle Efficiency Turbines - Final Report. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1492685.

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Schijman, Agustina. Evaluation of the Results of the Realignment Background Paper: Composition and Dynamics of Project Teams at the IDB: Analysis of staff Fragmentation. Inter-American Development Bank, 2014. http://dx.doi.org/10.18235/0009272.

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In 2006, the Board of Governors of the Inter-American Development Bank (IDB,or the Bank) authorized a major restructuring of the Bank (the "Realignment") to address the perceived loss of relevance and presence of the institution in Latin America and the Caribbean (LAC). The Realignment introduced a number of reforms, including a new organizational structure (the Matrix Structure), a revised process for project design and execution (the New Project Cycle), and the renewal of human resource skills and decentralization of personnel. Paper assesses the main changes in the composition and dynamics

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Shpigel, Muki, Allen Place, William Koven, Oded (Odi) Zmora, Sheenan Harpaz, and Mordechai Harel. Development of Sodium Alginate Encapsulation of Diatom Concentrates as a Nutrient Delivery System to Enhance Growth and Survival of Post-Larvae Abalone. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7586480.bard.

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The major bottlenecks in rearing the highly priced gastropod abalone (Haliotis spp.) are the slow growth rate and the high mortality during the first 8 to 12 weeks following metamorphosis and settling. The most likely reason flor these problems is related to nutritional deficiencies in the diatom diet on which the post larvae (PL) feed almost exclusively in captivity. Higher survival and improved growth rate will reduce the considerable expense of hatchery-nursery resisdence time and thereflore the production costs. BARD supported our research for one year only and the support was given to us

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Tarasova, Anna, Deven Kanakamedala, Jungil Seo, Amit H. Varma, and Robert J. Connor. New Repair Strategies for Life-Cycle Extension of Corroded Steel Girder Bridges. Purdue University, 2025. https://doi.org/10.5703/1288284317748.

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Steel girder ends are susceptible to corrosion damage due to deicing salts, water, and other contaminants leaking from failed expansion joints. When corrosion becomes significant, it leads to a reduction in the sectional properties of steel girders and consequently reduces bearing and shear resistance. Conventional repair methods, although effective, require substantial time and resources to complete, causing public inconvenience from necessary traffic closures. Therefore, there is a need for practical, rapid, and robust repair methods suitable for implementation by local Department of Transpo

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Rodrigo, Maria Fernanda, Claudia Figueroa, Oliver Peña-Habib, Xiomara Rojas-Asqui, and Melanie Putic. OVE's Review of Project Completion Reports (PCRs) and Expanded Supervision Reports (XSRs): The 2020 Validation Cycle. Inter-American Development Bank, 2020. http://dx.doi.org/10.18235/0002944.

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This report summarizes the results of the Office of Evaluation and Oversight's (OVE) annual validation of the self-assessments of project performance and results completed by the Inter-American Development Bank (IDB) and IDB Invest in 2019-2020. The IDB and IDB Invest have systems in place to measure the development effectiveness of their operations. These systems use a number of instruments to assess projects at the design, implementation, and completion phases. The design-phase assessment uses a “Development Effectiveness Matrix” (DEM) for sovereign guaranteed (SG) operations. The effectiven

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