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Relevant bibliographies by topics / Compact homogenous spaces

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Academic literature on the topic 'Compact homogenous spaces'

Author: Grafiati

Published: 10 March 2023

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Journal articles on the topic "Compact homogenous spaces"

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Golasiński, Marek. "On homotopy nilpotency." Glasnik Matematicki 56, no. 2 (2021): 391–406. http://dx.doi.org/10.3336/gm.56.2.10.

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We review established and recent results on the homotopy nilpotence of spaces. In particular, the homotopy nilpotency of the loop spaces \(\Omega(G/K)\) of homogenous spaces \(G/K\) for a compact Lie group \(G\) and its closed homotopy nilpotent subgroup \(K \lt G\) is discussed.

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Abbas, Fadhil, and Hassan A. Alhayo. "Fuzzy ideal topological vector spaces." Mathematica Slovaca 72, no. 4 (2021): 993–1000. http://dx.doi.org/10.1515/ms-2022-0069.

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Abstract In this paper, we introduce the concept of fuzzy ideal topological vector spaces and study the basic properties of fuzzy-I-open and fuzzy-I-closed sets in fuzzy ideal topological vector spaces. Also, we study the properties of fuzzy-I-Hausdorff and fuzzy-I-compact in fuzzy ideal topological vector spaces. Furthermore, we introduce the concepts of fuzzy-I-homogenous space, fuzzy-I-monomorphism space, fuzzy-I-isomorphism space and fuzzy-I-automorphism space. Finally, we introduce the concepts of fuzzy-I-bounded set, fuzzy-I-balanced set, fuzzy-I-symmetric set and study their properties

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Rejali, Ali, and Navid Sabzali. "On the homological and algebraical properties of some Feichtinger algebras." Mathematica Slovaca 71, no. 5 (2021): 1211–28. http://dx.doi.org/10.1515/ms-2021-0049.

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Abstract Let G be a locally compact group (not necessarily abelian) and B be a homogeneous Banach space on G, which is in a good situation with respect to a homogeneous function algebra on G. Feichtinger showed that there exists a minimal Banach space B min in the family of all homogenous Banach spaces C on G, containing all elements of B with compact support. In this paper, the amenability and super amenability of B min with respect to the convolution product or with respect to the pointwise product are showed to correspond to amenability, discreteness or finiteness of the group G and convers

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Rejali, Ali, and Navid Sabzali. "On the homological and algebraical properties of some Feichtinger algebras." Mathematica Slovaca 71, no. 5 (2021): 1211–28. http://dx.doi.org/10.1515/ms-2021-0049.

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Abstract Let G be a locally compact group (not necessarily abelian) and B be a homogeneous Banach space on G, which is in a good situation with respect to a homogeneous function algebra on G. Feichtinger showed that there exists a minimal Banach space B min in the family of all homogenous Banach spaces C on G, containing all elements of B with compact support. In this paper, the amenability and super amenability of B min with respect to the convolution product or with respect to the pointwise product are showed to correspond to amenability, discreteness or finiteness of the group G and convers

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Ghaani Farashahi, Arash. "A Class of Abstract Linear Representations for Convolution Function Algebras over Homogeneous Spaces of Compact Groups." Canadian Journal of Mathematics 70, no. 1 (2018): 97–116. http://dx.doi.org/10.4153/cjm-2016-043-9.

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AbstractThis paper introduces a class of abstract linear representations on Banach convolution function algebras over homogeneous spaces of compact groups. LetGbe a compact group andHa closed subgroup ofG. Letμbe the normalizedG-invariant measure over the compact homogeneous spaceG/Hassociated with Weil's formula and. We then present a structured class of abstract linear representations of the Banach convolution function algebrasLp(G/H,μ).

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Nikiel, J., and E. D. Tymchatyn. "On Homogeneous Images of Compact Ordered Spaces." Canadian Journal of Mathematics 45, no. 2 (1993): 380–93. http://dx.doi.org/10.4153/cjm-1993-019-7.

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AbstractWe answer a 1975 question of G R Gordh by showing that if X is a homogeneous compactum which is the continuous image of a compact ordered space then at least one of the following holds(I) X is metrizable, (II) dim X = 0 or (III) X is a union of finitely many pairwise disjoint generalized simple closed curves.We begin to examine the structure of homogeneous 0-dimensional spaces which are continuous images of ordered compacta.

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Berestovskii, V. N., та Y. G. Nikonorov. "О конечных однородных метрических пространствах". Владикавказский математический журнал, № 2 (22 червня 2022): 51–61. http://dx.doi.org/10.46698/h7670-4977-9928-z.

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This survey is devoted to recently obtained results on finite homogeneousmetric spaces. The main subject of discussion is the classification of regular and semiregular polytopes in Euclidean spacesby whether or not their vertex sets have the normal homogeneity property or the Clifford - Wolf homogeneity property.Every finite homogeneous metric subspace of an Euclidean space represents the vertex set of a compact convex polytope with the isometry group that is transitive on the set of vertices, moreover, all these vertices lie on some sphere. Consequently, the study of such subsets is closely r

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Ikawa, Osamu. "Equivariant minimal immersions of compact Riemannian homogeneous spaces into compact Riemannian homogeneous spaces." Tsukuba Journal of Mathematics 17, no. 1 (1993): 169–88. http://dx.doi.org/10.21099/tkbjm/1496162138.

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Gorbachev, Dmitry Viktorovich. "Nikol’skii constants for compact homogeneous spaces." Chebyshevskii sbornik 22, no. 4 (2021): 99–112. http://dx.doi.org/10.22405/2226-8383-2021-22-4-99-112.

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Gorbatsevich, V. V. "Stable cohomology of compact homogeneous spaces." Mathematical Notes 83, no. 5-6 (2008): 735–43. http://dx.doi.org/10.1134/s0001434608050192.

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Dissertations / Theses on the topic "Compact homogenous spaces"

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Odell, Carl Richard. "Kernel approximation on compact homogeneous spaces." Thesis, University of Leicester, 2012. http://hdl.handle.net/2381/27598.

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This thesis is concerned with approximation on compact homogeneous spaces. The first part of the research involves a particular kind of compact homogeneous space, the hypersphere, S ͩˉ¹ embedded in R ͩ. It is a calculation of three integrals associated with approximation using radial basis functions, calculating the Fourier-Gegenbauer coefficients for two such functions. The latter part of the research is a calculation of an error bound for compact homogeneous spaces when interpolating with a G-invariant kernel, a generalisation of a result already known for spheres.

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Kadyrov, Shirali. "Entropy and Escape of Mass in Non-Compact Homogeneous Spaces." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1272027404.

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Bletz-Siebert, Oliver. "Homogeneous spaces with the cohomology of sphere products and compact quadrangles." Doctoral thesis, [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=966590341.

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Rauße, Christian [Verfasser], and Christoph [Akademischer Betreuer] Böhm. "Simplicial complexes of compact homogeneous spaces / Christian Rauße ; Betreuer: Christoph Böhm." Münster : Universitäts- und Landesbibliothek Münster, 2017. http://d-nb.info/1142528421/34.

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Ebert, Svend. "Wavelets on Lie groups and homogeneous spaces." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2011. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-78988.

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Within the past decades, wavelets and associated wavelet transforms have been intensively investigated in both applied and pure mathematics. They and the related multi-scale analysis provide essential tools to describe, analyse and modify signals, images or, in rather abstract concepts, functions, function spaces and associated operators. We introduce the concept of diffusive wavelets where the dilation operator is provided by an evolution like process that comes from an approximate identity. The translation operator is naturally defined by a regular representation of the Lie group where we wa

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Zeekoei, Elroy Denovanne. "A study of Dunford-Pettis-like properties with applications to polynomials and analytic functions on normed spaces / Elroy Denovanne Zeekoei." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7586.

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Recall that a Banach space X has the Dunford-Pettis property if every weakly compact operator defined on X takes weakly compact sets into norm compact sets. Some valuable characterisations of Banach spaces with the Dunford-Pettis property are: X has the DPP if and only if for all Banach spaces Y, every weakly compact operator from X to Y sends weakly convergent sequences onto norm convergent sequences (i.e. it requires that weakly compact operators on X are completely continuous) and this is equivalent to “if (xn) and (x*n) are sequences in X and X* respectively and limn xn = 0 weakly and limn

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Pediconi, Francesco. "Geometric aspects of locally homogeneous Riemannian spaces." Doctoral thesis, 2020. http://hdl.handle.net/2158/1197175.

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The subject of this thesis is the study of some geometric problems arising in the context of locally and globally homogeneous Riemannian spaces. In particular, we are mainly interested in investigate the interplay between curvature conditions and the compactness of some classes of locally homogeneous spaces, with respect to appropriate topologies.

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Bletz-Siebert, Oliver [Verfasser]. "Homogeneous spaces with the cohomology of sphere products and compact quadrangles / vorgelegt von Oliver Bletz-Siebert." 2002. http://d-nb.info/966590341/34.

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Books on the topic "Compact homogenous spaces"

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Spaces of constant curvature. 6th ed. AMS Chelsea Pub., 2011.

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1938-, Griffiths Phillip, and Kerr Matthew D. 1975-, eds. Hodge theory, complex geometry, and representation theory. Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society, 2013.

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Epstein, Charles L., and Rafe Mazzeo. Holder Estimates for General Models. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691157122.003.0009.

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This chapter presents the Hölder estimates for general model problems. It first estimates solutions to heat equations for both the homogeneous Cauchy problem and the inhomogeneous problem, obtaining first and second derivative estimates in the latter case, before discussing a general result describing the off-diagonal and long-time behavior of the solution kernel for the general model. It also states a proposition summarizing the properties of the resolvent operator as an operator on the Hölder spaces. In contrast to the case of the heat equation, there is no need to assume that the data has c

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Epstein, Charles L., and Rafe Mazzeo. The Semi-group on. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691157122.003.0012.

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This chapter deals with the semi-group on the space Β‎⁰(P). It first describes the boundary behavior of elements of the adjoint operator at points in the interiors of hypersurface boundary components before discussing the null-space of the adjoint under the hypothesis that a generalized Kimura diffusion operator, L, meets bP cleanly. It then examines long time asymptotics, along with a lemma in which P is a compact manifold with corners and L is a generalized Kimura diffusion on P. It also considers the existence of irregular solutions to the homogeneous equations Lu = f, for functions that do

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Epstein, Charles L., and Rafe Mazzeo. Existence of Solutions. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691157122.003.0010.

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This chapter proves existence of solutions to the inhomogeneous problem using the Schauder estimate and analyzes a generalized Kimura diffusion operator, L, defined on a manifold with corners, P. The discussion centers on the solution w = v + u, where v solves the homogeneous Cauchy problem with v(x, 0) = f(x) and u solves the inhomogeneous problem with u(x, 0) = 0. The chapter first provides definitions for the Wright–Fisher–Hölder spaces on a general compact manifold with corners before explaining the steps involved in the existence proof. It then verifies the induction hypothesis and treats

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Book chapters on the topic "Compact homogenous spaces"

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Onishchik, A. L. "Compact Homogeneous Spaces." In Encyclopaedia of Mathematical Sciences. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-57999-8_11.

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Wolf, Joseph. "Compact Lie groups and homogeneous spaces." In Harmonic Analysis on Commutative Spaces. American Mathematical Society, 2007. http://dx.doi.org/10.1090/surv/142/06.

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Hamrouni, Hatem, and Firas Sadki. "Self-Chabauty-isolated Locally Compact Groups." In Geometric and Harmonic Analysis on Homogeneous Spaces. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26562-5_2.

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Volchkov, Valery V., and Vitaly V. Volchkov. "Analogies for Compact Two-point Homogeneous Spaces." In Offbeat Integral Geometry on Symmetric Spaces. Springer Basel, 2013. http://dx.doi.org/10.1007/978-3-0348-0572-8_4.

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Ohno, Shinji, Takashi Sakai, and Hajime Urakawa. "Biharmonic Homogeneous Submanifolds in Compact Symmetric Spaces." In Hermitian–Grassmannian Submanifolds. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5556-0_27.

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Zheng, Xue-An. "Harmornic Analysis on Compact Lie Groups and Compact Homogeneous Spaces in China." In Harmonic Analysis in China. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0141-7_16.

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Levesley, Jeremy. "Tangent Space Methods for Approximation on Compact Homogeneous Manifolds." In Recent Progress in Multivariate Approximation. Birkhäuser Basel, 2001. http://dx.doi.org/10.1007/978-3-0348-8272-9_16.

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Pesenson, Isaac. "Parseval Space-Frequency Localized Frames on Sub-Riemannian Compact Homogeneous Manifolds." In Frames and Other Bases in Abstract and Function Spaces. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-55550-8_17.

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Guivarc’h, Yves, and C. R. E. Raja. "Polynomial Growth, Recurrence and Ergodicity for Random Walks on Locally Compact Groups and Homogeneous Spaces." In Random Walks, Boundaries and Spectra. Springer Basel, 2011. http://dx.doi.org/10.1007/978-3-0346-0244-0_4.

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"STRUCTURES OF COMPACT LIE GROUPS." In Almost Complex Homogeneous Spaces and Their Submanifolds. WORLD SCIENTIFIC, 1987. http://dx.doi.org/10.1142/9789814503235_0001.

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Conference papers on the topic "Compact homogenous spaces"

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Cooley, W. Glenn, and Anthony Palazotto. "Finite Element Analysis of Functionally Graded Shell Panels Under Thermal Loading." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82776.

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Functionally Graded Materials (FGM) have continuous variation of material properties from one surface to another unlike a composite which has stepped (or discontinuous) material properties. The gradation of properties in an FGM reduces the thermal stresses, residual stresses, and stress concentrations found in traditional composites. An FGM’s gradation in material properties allows the designer to tailor material response to meet design criteria. For example, the Space Shuttle utilizes ceramic tiles as thermal protection from heat generated during re-entry into the Earth’s atmosphere. However,

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Fishman, Louis. "Symbol Analysis and the Construction of One-Way Forward and Inverse Wave Propagation Theories." In Numerical Simulation and Analysis in Guided-Wave Optics and Opto-Electronics. Optica Publishing Group, 1989. http://dx.doi.org/10.1364/gwoe.1989.se3.

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The analysis and fast, accurate numerical computation of the wave equations of classical physics are often quite difficult for rapidly changing, multidimensional environments extending over many wavelengths. This is particularly so for ocean seismo-acoustic environments characterized by a refractive index field with a compact region of arbitrary (n-dimensional) variability superimposed upon a transversely inhomogeneous ((n-1)-dimensional) background profile. For such environments, the entire domain is in the scattering regime, with the subsequent absence of an “asymptotically free” region. Whi

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Rivas Sanz, Juan Luis de las, Miguel Fernández-Maroto, Enrique Rodrigo González, and Victor Pérez-Eguíluz. "Detecting opportunities: neighbourhood data dynamics for urban regeneration in Valladolid (Spain)." In Virtual City and Territory. Centre de Política de Sòl i Valoracions, 2016. http://dx.doi.org/10.5821/ctv.8126.

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Urban regeneration has become a priority for urban planning in Spain, because it is one of the best ways to foster a more sustainable, compact and mixed-use urban model, founded in the improvement of existing city. The Master Plan of Valladolid (Spain) has been an opportunity to tackle this objective by a thorough study of existing urban fabrics, in order to program future actions and projects. The built city was divided into units, and each of them was carefully analysed in order to identify opportunities for improvement, such as vacant spaces or deprived areas. Every regeneration actio

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Liu, Decheng, Nannan Wang, Chunlei Peng, Jie Li, and Xinbo Gao. "Deep Attribute Guided Representation for Heterogeneous Face Recognition." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/116.

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Heterogeneous face recognition (HFR) is a challenging problem in face recognition, subject to large texture and spatial structure differences of face images. Different from conventional face recognition in homogeneous environments, there exist many face images taken from different sources (including different sensors or different mechanisms) in reality. Motivated by human cognitive mechanism, we naturally utilize the explicit invariant semantic information (face attributes) to help address the gap of different modalities. Existing related face recognition methods mostly regard attributes as th

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Fernández-Maroto, Miguel. "Stages in the configuration of urban form in urban development planning: the emerging role of open spaces as sustainability mechanism. The case of Valladolid (Spain)." In 24th ISUF 2017 - City and Territory in the Globalization Age. Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/isuf2017.2017.5241.

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Along the last five decades and through three different stages, the urban development plans —general plans— of Valladolid, a medium-sized Spanish city, show an interesting evolution in the way of configuring the global urban form and controlling urban development that we can also find in other similar Spanish cities. In the sixties and seventies, plans proposed “autonomous” expansive schemes foreseeing a huge rate of urban growth, so they defined wide areas to be urbanised through new transport infrastructures and typical zoning mechanisms. In the eighties, after decay in urban and economic de

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Bouza Cora, María Belén, and Santiago Barge Ferreiros. "Centro Etnográfico Mandeo. Hormigón y memoria. *** Ethnographic Center Mandeo. Concrete and memory." In 8º Congreso Internacional de Arquitectura Blanca - CIAB 8. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ciab8.2018.7385.

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En un entorno natural de gran valor paisajístico en la cuenca del río Mandeo, el centro, destinado a formación y divulgación, se concibe como una ‘cabaña’ que se integra en el bosque que lo rodea sin restarle protagonismo. El proyecto desarrolla el programa en una sucesión de volúmenes conectados entre sí, que pueden funcionar de forma autónoma o conjuntamente, lo que confiere al edificio una gran versatilidad de uso. La utilización del hormigón autocompactante (inyectado desde las partes inferiores de muros y cubiertas) en la configuración de los volúmenes, ha hecho posible la homogeneidad y

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Beretta, Gian Paolo, and Nicolas G. Hadjiconstantinou. "Steepest Entropy Ascent Models of the Boltzmann Equation: Comparisons With Hard-Sphere Dynamics and Relaxation-Time Models for Homogeneous Relaxation From Highly Non-Equilibrium States." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64905.

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We present a family of steepest entropy ascent (SEA) models of the Boltzmann equation. The models preserve the usual collision invariants (mass, momentum, energy), as well as the non-negativity of the phase-space distribution, and have a strong built-in thermodynamic consistency, i.e., they entail a general H-theorem valid even very far from equilibrium. This family of models features a molecular-speed-dependent collision frequency; each variant can be shown to approach a corresponding BGK model with the same variable collision frequency in the limit of small deviation from equilibrium. This i

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Schäpel, Jan-Simon, Rudibert King, Fatma Yücel, Fabian Völzke, Christian Oliver Paschereit, and Rupert Klein. "Fuel Injection Control for a Valve Array in a Shockless Explosion Combustor." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75295.

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Approximate constant volume combustion (aCVC) is a promising way to optimize the combustion process in a gas turbine, which would exceed the gain in efficiency resulting from optimizing other components significantly. This work deals with a recently proposed approach: shockless explosion combustion (SEC). Compared to already known concepts, such as pulsed detonation combustion (PDC), it overcomes several disadvantages, e.g., sharp pressure transitions and entropy generation due to shock waves. For an SEC, accurate fuel stratification is required to achieve a quasi-homogeneous auto-ignition. In

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Darabi, Mehdi, and Rajamohan Ganesan. "Exact 3-D Stress and Stiffness Analysis of Functionally Graded Sandwich Plates Using Sampling Surfaces Method." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38400.

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In the present work, the three-dimensional analysis for the deflection and stress distributions of functionally graded ceramic–metal sandwich plates is developed based on the method of sampling surfaces (SaS). In accordance with this method, into each layer of the plate, reference surfaces that are not equally spaced and are parallel to the mid-surface of the plate are introduced, and the displacement vectors of these surfaces are chosen as unknown functions. Such a choice allows the representation of the governing equations of the proposed higher order layer-wise plate theory in a very compac

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Gómez Gómez, Julián Andres, Camilo E. Moncada Guayazán, Sebastián Roa Prada, and Hernando Gonzalez Acevedo. "Design and Experimental Validation of a LQG Control System for the Stabilization of a 2DOF Commercial Gimbal Using Physical Modelling Techniques." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24137.

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Abstract Gimbals are mechatronic systems well known for their use in the stabilization of cameras which are under the effect of sudden movements. Gimbals help keeping cameras at previously defined fixed orientations, so that the captured images have the highest quality. This paper focuses on the design of a Linear Quadratic Gaussian, LQG, controller, based on the physical modeling of a commercial Gimbal with two degrees of freedom (2DOF), which is used for first-person applications in unmanned aerial vehicle (UAV). This approach is proposed to make a more realistic representation of the system

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Reports on the topic "Compact homogenous spaces"

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Baltagi, Badi H., Georges Bresson, Anoop Chaturvedi та Guy Lacroix. Robust dynamic space-time panel data models using ε-contamination: An application to crop yields and climate change. CIRANO, 2023. http://dx.doi.org/10.54932/ufyn4045.

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This paper extends the Baltagi et al. (2018, 2021) static and dynamic ε-contamination papers to dynamic space-time models. We investigate the robustness of Bayesian panel data models to possible misspecification of the prior distribution. The proposed robust Bayesian approach departs from the standard Bayesian framework in two ways. First, we consider the ε-contamination class of prior distributions for the model parameters as well as for the individual effects. Second, both the base elicited priors and the ε-contamination priors use Zellner (1986)’s g-priors for the variance-covariance matric

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