Academic literature on the topic 'Variable length chains'

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Journal articles on the topic "Variable length chains"

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Wyner, Abraham J., and Peter B�hlmann. "Variable length Markov chains." Annals of Statistics 27, no. 2 (1999): 480–513. http://dx.doi.org/10.1214/aos/1018031204.

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Mächler, Martin, and Peter Bühlmann. "Variable Length Markov Chains: Methodology, Computing, and Software." Journal of Computational and Graphical Statistics 13, no. 2 (2004): 435–55. http://dx.doi.org/10.1198/1061860043524.

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Browning, Sharon R. "Multilocus Association Mapping Using Variable-Length Markov Chains." American Journal of Human Genetics 78, no. 6 (2006): 903–13. http://dx.doi.org/10.1086/503876.

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Ferreira, Ricardo F., Sandro Gallo, and Frédéric Paccaut. "Non-regular g-measures and variable length memory chains." Nonlinearity 33, no. 11 (2020): 6026–52. http://dx.doi.org/10.1088/1361-6544/aba0c5.

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Rodriguez, Jesse L., Ankur B. Dalia, and Jeffrey N. Weiser. "Increased Chain Length Promotes Pneumococcal Adherence and Colonization." Infection and Immunity 80, no. 10 (2012): 3454–59. http://dx.doi.org/10.1128/iai.00587-12.

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ABSTRACTStreptococcus pneumoniaeis a mucosal pathogen that grows in chains of variable lengths. Short-chain forms are less likely to activate complement, and as a consequence they evade opsonophagocytic clearance more effectively during invasive disease. When grown in human nasal airway surface fluid, pneumococci exhibited both short- and long-chain forms. Here, we determined whether longer chains provide an advantage during colonization when the organism is attached to the epithelial surface. Chain-forming mutants and the parental strain grown under conditions to promote chain formation showe
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Ferrari, Fiorenzo, and Abraham Wyner. "Estimation of General Stationary Processes by Variable Length Markov Chains." Scandinavian Journal of Statistics 30, no. 3 (2003): 459–80. http://dx.doi.org/10.1111/1467-9469.00342.

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Gallo, Sandro. "Chains with unbounded variable length memory: perfect simulation and a visible regeneration scheme." Advances in Applied Probability 43, no. 03 (2011): 735–59. http://dx.doi.org/10.1017/s0001867800005127.

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We present a new perfect simulation algorithm for stationary chains having unbounded variable length memory. This is the class of infinite memory chains for which the family of transition probabilities is represented by a probabilistic context tree. We do not assume any continuity condition: our condition is expressed in terms of the structure of the context tree. More precisely, the length of the contexts is a deterministic function of the distance to the last occurrence of some determined string of symbols. It turns out that the resulting class of chains can be seen as a natural extension of
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Gallo, Sandro. "Chains with unbounded variable length memory: perfect simulation and a visible regeneration scheme." Advances in Applied Probability 43, no. 3 (2011): 735–59. http://dx.doi.org/10.1239/aap/1316792668.

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We present a new perfect simulation algorithm for stationary chains having unbounded variable length memory. This is the class of infinite memory chains for which the family of transition probabilities is represented by a probabilistic context tree. We do not assume any continuity condition: our condition is expressed in terms of the structure of the context tree. More precisely, the length of the contexts is a deterministic function of the distance to the last occurrence of some determined string of symbols. It turns out that the resulting class of chains can be seen as a natural extension of
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Collet, Pierre, and Antonio Galves. "Chains of Infinite Order, Chains with Memory of Variable Length, and Maps of the Interval." Journal of Statistical Physics 149, no. 1 (2012): 73–85. http://dx.doi.org/10.1007/s10955-012-0579-6.

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Ramírez-Mendiola, José Luis, Philipp Grünewald, and Nick Eyre. "Residential activity pattern modelling through stochastic chains of variable memory length." Applied Energy 237 (March 2019): 417–30. http://dx.doi.org/10.1016/j.apenergy.2019.01.019.

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Dissertations / Theses on the topic "Variable length chains"

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Esteves, Divanilda Maia. "Um esquema regenerativo visível em cadeias de alcance variável não limitada." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/45/45133/tde-02062007-182457/.

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O objetivo central desta tese é demonstrar a existência de uma estrutura regenerativa visível para cadeias de alcance variável não limitadas. Também apresentamos um algoritmo de identificação de seqüências de instantes de regeneração que converge quase certamente quando o tamanho da amostra diverge.<br>Our main aim is prove the existence of a regeneration scheme in unbounded variable length chains. We present an algorithm to identify sequences of regeneration times which converges almost surely as the sample length.
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Gallo, Alexsandro Giacomo Grimbert. "Simulação perfeita de cadeias de alcance variável não limitado." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/45/45133/tde-27112009-121723/.

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Nesta tese consideramos cadeias de alcance variável não limitado. São cadeias de alcance infinito cuja família de probabilidades de transição é representada por uma árvore de contextos probabilística. Dado uma árvore de contextos probabilística não limitada, as questões que nos interessam são as seguintes: existe ou não uma cadeia estacionária compatível com esta árvore? Se existir, esta cadeia é única? Podemos fazer uma simulação perfeita desta cadeia? Nesta tese, apresentamos novos critérios sucientes que garantem a existência e a unicidade da cadeia estacionária e, sob restrições mais forte
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Rodriguez, Azrielex Andres Arias. "Modelagem estocástica de sequências de disparos de um conjunto de neurônios." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/45/45133/tde-09012014-000601/.

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O presente trabalho constitui um primeiro esforço por modelar disparos de neurônios usando cadeias estocásticas de memória de alcance variável. Esses modelos foram introduzidos por Rissanen (1983). A ideia principal deste tipo de modelos consiste em que a definição probabilística de cada símbolo depende somente de uma porção finita do passado e o comprimento dela é função do passado mesmo, tal porção foi chamada de \"contexto\" e o conjunto de contextos pode ser representado através de uma árvore. No passado vários métodos de estimação foram propostos, nos quais é necessário especificar alguma
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Dubarry, Blandine. "Comportement asymptotique des systèmes de fonctions itérées et applications aux chaines de Markov d'ordre variable." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S114/document.

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L'objet de cette thèse est l'étude du comportement asymptotique des systèmes de fonctions itérées (IFS). Dans un premier chapitre, nous présenterons les notions liées à l'étude de tels systèmes et nous rappellerons différentes applications possibles des IFS telles que les marches aléatoires sur des graphes ou des pavages apériodiques, les systèmes dynamiques aléatoires, la classification de protéines ou encore les mesures quantiques répétées. Nous nous attarderons sur deux autres applications : les chaînes de Markov d'ordre infini et d'ordre variable. Nous donnerons aussi les principaux résult
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LIN, CHIH-YA, and 林沚亞. "Application of Variable Length Markov Chains to Clustering Analysis of Haplotype Data From Case-Parent Triad Families." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/66414981884205642610.

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碩士<br>臺灣大學<br>流行病學研究所<br>98<br>Due to the advantage of gaining more power on testing association between a disease and a marker, haplotype-based test methods have been studied by many researchers. One approach in these studies is to use clustering methods to separate haplotypes into several clusters and to adjust for multiple testing by permutation. In this thesis we apply the VLMC (variable length Markov chains) method to case-parent triads data, proposed by Browning(2006) and Browning et al.(2007). We compared the two thresholds proposed by the two studies by simulation method. Our result in
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Coleman, Brian. "Synthesis, characterization and amphiphilic self-assembly of inorganic nanoparticles functionalized with polymer brushes of variable composition and chain length." Thesis, 2016. http://hdl.handle.net/1828/7244.

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The synthesis, characterization and amphiphilic self-assembly of polymer brush functionalized nanoparticles (PBNPs) using a block copolymer template is described herein. To study the effect of polymer brush composition on self-assembly, four samples were created using a mixture of PS-b-PAA (polystyrene-block-polyacrylic acid) and PMMA-b-PAA (poly(methyl methacrylate)-block-polyacrylic acid) diblock copolymers to create PBNPs with a CdS quantum dot (QD) core and different ratios of PS and PMMA in the coronal brush. Static light scattering showed that despite differences in brush composition, th
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Book chapters on the topic "Variable length chains"

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Martín, Carpio, Soria-Alcaraz Jorge A., Puga Héctor J., Baltazar Rosario, Ornelas Manuel, and Mancilla Luís Ernesto. "Variable Length Number Chains Generation without Repetitions." In Soft Computing for Recognition Based on Biometrics. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15111-8_22.

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Hoffmeister, Björn, and Thomas Zeugmann. "Text Mining Using Markov Chains of Variable Length." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11605126_1.

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Cénac, Peggy, Brigitte Chauvin, Frédéric Paccaut, and Nicolas Pouyanne. "Context Trees, Variable Length Markov Chains and Dynamical Sources." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27461-9_1.

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Kepler, Fábio Natanael, and Marcelo Finger. "Part-of-Speech Tagging of Portuguese Based on Variable Length Markov Chains." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11751984_32.

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Bercovici, Sivan, Jesse M. Rodriguez, Megan Elmore, and Serafim Batzoglou. "Ancestry Inference in Complex Admixtures via Variable-Length Markov Chain Linkage Models." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29627-7_2.

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Bodo, B., S. Rebuffat, C. Goulard, et al. "Synthesis and membrane-modifying properties of analogues of the lipopeptaibol trichogin GA IV with variable N α-acyl chain length." In Peptides 1994. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1468-4_345.

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O., A., and A. P. "Dynamics of a Pendulum of Variable Length and Similar Problems." In Nonlinearity, Bifurcation and Chaos - Theory and Applications. InTech, 2012. http://dx.doi.org/10.5772/48168.

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Gupta, Neelam, and Neel Kanth. "Application of Perturbation Theory in Heat Flow Analysis." In A Collection of Papers on Chaos Theory and Its Applications. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95573.

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Many physical and engineering problems can be modeled using partial differential equations such as heat transfer through conduction process in steady and unsteady state. Perturbation methods are analytical approximation method to understand physical phenomena which depends on perturbation quantity. Homotopy perturbation method (HPM) was proposed by Ji Huan He. HPM is considered as effective method in solving partial differential equations. The solution obtained by HPM converges to exact solution, which are in the form of an infinite function series. Biazar and Eslami proposed new homotopy perturbation method (NHPM) in which construction of an appropriate homotopy equation and selection of appropriate initial approximation guess are two important steps. In present work, heat flow analysis has been done on a rod of length L and diffusivity α using HPM and NHPM. The solution obtained using different perturbation methods are compared with the solution obtained from most common analytical method separation of variables.
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"Proceedings of the First International Snakehead Symposium." In Proceedings of the First International Snakehead Symposium, edited by Quinton E. Phelps, Hae H. Kim, Catherine Lim, and John S. Odenkirk. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874585.ch11.

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&lt;em&gt;Abstract.&lt;/em&gt;—Potomac River Northern Snakehead &lt;em&gt;Channa argus &lt;/em&gt;has been the subject of considerable study since discovery in 2004. As part of that study, they were sampled in Virginia Potomac River tributaries monthly from March through October, and otoliths were removed. Age and growth information indicated highly variable length at age and rapid growth in the first three years. Some individuals attained 381 mm total length by the end of the first year (age-0) and 559 mm by age-1. Although Northern Snakehead otoliths viewed in the transverse plane appeared to have distinct, narrow bands interpreted as annuli; it is important to have validation confirming the periodicity of the putative annuli, especially given the high variability in growth rates. Marginal increment analysis is one method that has traditionally been employed to confirm this assumption. Thus, a subset of Northern Snakehead otoliths (&lt;em&gt;n &lt;/em&gt;= 200) were subjected to marginal increment analyses (ages 2–10). Differences in index of completion scores occurred among months (&lt;EM&gt;F&lt;/EM&gt;&lt;sub&gt;7,192&lt;/sub&gt; = 18.26, &lt;EM&gt;P &lt;/EM&gt;&lt; 0.001) but were lowest in July. We demonstrated Northern Snakehead produced a single annulus on sagittal otoliths that is first detectable during early summer in the Potomac River. As such, we recommend the use of otoliths for aging Northern Snakehead accurately to determine critical population characteristics such as recruitment, growth, and mortality.
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Kerr, Adam J. "Historical Methods of Positioning at Sea." In Continental Shelf Limits. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195117820.003.0012.

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In the previous chapter, geodesy and modern geodetic techniques were reviewed in some detail. Obviously, in establishing a claim to an extension of the continental shelf, countries will, where possible, use the best and most modern techniques available. But in many cases, it will be necessary to use all existing data, including historical data. But the quality of all bathymetry and other data will be influenced by the accuracy with which the vessel collecting it was geographically positioned. Therefore, in reviewing data from charts and maps, particularly those of a historic nature, it is necessary to have a knowledge of the positioning methods used and hence the likely positional accuracy. This chapter reviews the development of the science and technology of navigating at sea and hence the positional accuracy possible. It also traces the development of the technology over the last 200 years, from the introduction of the sextant and chronometer to modern differential techniques using satellite observations. Against this background, it traces the continually improving ability to position vessels accurately at sea and out of sight of land. The bathymetry of most maps and charts available today was collected over a lengthy period, sometimes extending back beyond the turn of the century. This certainly applies to the General Bathymetric Chart of the Oceans (GEBCO) and to most small-scale nautical charts. Accordingly, the data may be of variable quality, as the technology both of measuring the depths and of geographically positioning the data has undergone significant improvements. Few bathymetric charts have been compiled purely from one set of homogeneous and recent data. In evaluating the quality and reliability of the bathymetry and its consequent use for developing offshore boundaries, it is important that the historical development of offshore positioning technology and marine navigation and their limitations with respect to accuracy be understood in order that the quality of the data used to compile the maps and charts can be properly assessed. Until the development of electronic positioning systems during World War II, the positioning of vessels out of sight of land was carried out primarily by observations of celestial bodies and dead reckoning between observations.
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Conference papers on the topic "Variable length chains"

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Angluin, Dana, and Miklós Csűrös. "Learning Markov chains with variable memory length from noisy output." In the tenth annual conference. ACM Press, 1997. http://dx.doi.org/10.1145/267460.267517.

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Kumwilaisak, Wuttipong, and C. C. Jay Kuo. "Nonstationary fading channel modeling with adaptive variable length Markov chains (VLMC)." In ITCom 2002: The Convergence of Information Technologies and Communications, edited by Carl R. Nassar. SPIE, 2002. http://dx.doi.org/10.1117/12.455396.

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Winkelholz, Carsten, Christopher Schlick, and Florian Motz. "Validating Cognitive Human Models for Multiple Target Search Tasks with Variable Length Markov ''Chains." In Digital Human Modeling for Design and Engineering Conference and Exhibition. SAE International, 2003. http://dx.doi.org/10.4271/2003-01-2219.

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Jin, Y., and M. Carpino. "Theoretical Analysis of Link Length Errors in Large Guided Chain Systems." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0322.

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Abstract Large guided chains are often used in manufacturing machinery to move materials and tooling. In such applications, the accuracy of the motion of the chain has a significant impact on the quality and yield of the process. The motion of the chain will be dependent on the geometry of the machine, the dynamic parameters of the machine, and the exact tolerances of the machine components. The research presented in this paper will first address the kinematics of a chain system. The analysis will include both chordal effects and link length variations, which affect the engagement between the
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Rodriguez, Manuel Aurelio, and Paris von Lockette. "PDF Evolution of Texture in the Fabrication of Magneto-Active Elastomers." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3868.

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Magneto-Active elastomers (MAEs) and magneto-rheological elastomers (MREs) are smart materials that consist of hard and soft magnetic particles, respectively, embedded in a flexible matrix. Their actuation capabilities are dependent on the arrangement of particles achieved during the fabrication process. Previous works have shown varying degrees of particle alignment and / or agglomeration as a function of fabrication process variable, most notably volume fraction of the particulates, their magnetic material type (hard vs soft), and the strength of the external field applied during curing. In
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Kumwilaisak, Wuttipong, C. c. Kuo, and Dapeng Wu. "Optimal Variable Length Markov Chain (VLMC) Modeling of Fading Channels." In 2006 IEEE International Conference on Communications. IEEE, 2006. http://dx.doi.org/10.1109/icc.2006.254705.

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Lee, Chung-Ching, Jeng-Hsiung Lee, and Po-Chih Lee. "Dimensional Mobility Criteria of Planar 6T-9R Paradoxical Chains." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70916.

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Focusing on the structural type of 6 ternary links and 9 revolute pairs (denoted 6T-9R), which stems from the commercialized Expanda-Triangles construction toy, we conduct in-depth study on the mobility constraints of the generalized planar 6T-9R paradoxical chains. According to Grübler criterion, the degree of freedom (DoF) of the chains of this type is minus 3 and they should have no constrained motion. However, due to the special dimensional constraints (Euclidean metric), some of such paradoxical mechanisms can still have the full-cycle mobility. To identify the dimensional constraints of
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Subramanian, Raghavendran, and Kazem Kazerounian. "Residue Level Inverse Kinematics of Peptide Chains in the Presence of Observation Inaccuracies and Bond Length Changes." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84352.

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Dihedral angles as generalized coordinates define the geometric conformation of a peptide chain. Given the exact coordinates of the atoms, it is possible to rigorously calculate the dihedral angles. We will refer to this calculation process as the residue level inverse kinematics of peptide chains. However uncertainties and experimental observation inaccuracies in the atoms’ coordinates handicap this otherwise simple and straightforward process. In this paper, we present three new efficient methodologies to find all the dihedral angles of a peptide chain for a given conformation. Comparison of
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Lee, S. J., and B. J. Gilmore. "The Determination of the Probabilistic Properties of Velocities and Accelerations in Kinematic Chains With Uncertainty." In ASME 1989 Design Technical Conferences. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/detc1989-0094.

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Abstract A probabilistic model and methods to determine the means and variances of the velocity and acceleration of stochastically-defined planar pin jointed kinematic chains are presented. The presented model considers the effect of tolerances on link length and radial clearance and uncertainty of pin location as a net effect on the link’s effective length. The determination of the mean values and variances of the output variables requires the calculation of sensitivities of secondary variables with respect to the random variables. It is shown that this computation is straightforward and can
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Holzworth, Kristin, Gregory Williams, Bedri Arman, Zhibin Guan, Gaurav Arya, and Sia Nemat-Nasser. "Polyurea With Hybrid Polymer Grafted Nanoparticles: A Parametric Study." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88395.

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The basis of this research is to mitigate shock through material design. In this work, we seek to develop an understanding of parametric variations in polyurea-based nano-composite materials through experimental characterization and computational modeling. Blast-mitigating applications often utilize polyurea due to its excellent thermo-mechanical properties. Polyurea is a microphase-separated segmented block copolymer formed by the rapid reaction of an isocyanate component and an amine component. Block copolymers exhibit unique properties as a result of their phase-separated morphology, which
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Reports on the topic "Variable length chains"

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Burton, Patrick D., and Matthew Tezak. Variable Chain Length Carboxylic Acids as Modifiers to Enhance the Antiviral Efficacy of Sodium Dodecyl Sulfate. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1634888.

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