Littérature scientifique sur le sujet « Hadamard spaces »
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Articles de revues sur le sujet "Hadamard spaces"
Moslemipour, Ali, Mehdi Roohi, Mohammad Mardanbeigi et Mahdi Azhini. « Monotone relations in Hadamard spaces ». Filomat 33, no 19 (2019) : 6347–58. http://dx.doi.org/10.2298/fil1919347m.
Texte intégralLANG, U., et V. SCHROEDER. « Quasiflats in Hadamard spaces ». Annales Scientifiques de l’École Normale Supérieure 30, no 3 (1997) : 339–52. http://dx.doi.org/10.1016/s0012-9593(97)89923-5.
Texte intégralHirayama, Michihiro. « Entropy of Hadamard spaces ». Topology and its Applications 158, no 4 (mars 2011) : 627–35. http://dx.doi.org/10.1016/j.topol.2010.12.011.
Texte intégralYakhshiboyev, M. U. « On Boundedness of Fractional Hadamard Integration and Hadamard-Type Integration in LebesgueSpaces with Mixed Norm ». Contemporary Mathematics. Fundamental Directions 68, no 1 (20 avril 2022) : 178–89. http://dx.doi.org/10.22363/2413-3639-2022-68-1-178-189.
Texte intégralYakhshiboyev, M. U. « On Boundedness of Fractional Hadamard Integration and Hadamard-Type Integration in LebesgueSpaces with Mixed Norm ». Contemporary Mathematics. Fundamental Directions 68, no 1 (20 avril 2022) : 178–89. http://dx.doi.org/10.22363/2413-3639-2022-68-1-178-189.
Texte intégralBerdellima, Arian. « On a weak topology for Hadamard spaces ». Sbornik : Mathematics 214, no 10 (2023) : 1373–89. http://dx.doi.org/10.4213/sm9808e.
Texte intégralWulan, Hasi, et Yanhua Zhang. « Hadamard products and QK spaces ». Journal of Mathematical Analysis and Applications 337, no 2 (janvier 2008) : 1142–50. http://dx.doi.org/10.1016/j.jmaa.2007.04.020.
Texte intégralBocci, Cristiano, Enrico Carlini et Joe Kileel. « Hadamard products of linear spaces ». Journal of Algebra 448 (février 2016) : 595–617. http://dx.doi.org/10.1016/j.jalgebra.2015.10.008.
Texte intégralPavlović, Miroslav. « Hadamard product in Qp spaces ». Journal of Mathematical Analysis and Applications 305, no 2 (mai 2005) : 589–98. http://dx.doi.org/10.1016/j.jmaa.2004.12.040.
Texte intégralAlexander, Stephanie B., et Richard L. Bishop. « Warped products of Hadamard spaces ». manuscripta mathematica 96, no 4 (1 août 1998) : 487–505. http://dx.doi.org/10.1007/s002290050078.
Texte intégralThèses sur le sujet "Hadamard spaces"
Bërdëllima, Arian [Verfasser]. « Investigations in Hadamard spaces / Arian Bërdëllima ». Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2021. http://nbn-resolving.de/urn:nbn:de:gbv:7-21.11130/00-1735-0000-0008-58F4-2-2.
Texte intégralBalser, Andreas. « On the Interplay between the Tits Boundary and the Interior of Hadamard Spaces ». Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-59715.
Texte intégralLorson, Tobias [Verfasser], et Jürgen [Akademischer Betreuer] Müller. « Hadamard convolution operators on spaces of holomorphic functions / Tobias Lorson ; Betreuer : Jürgen Müller ». Trier : Universität Trier, 2014. http://d-nb.info/1197699708/34.
Texte intégralMontag, Martin J. [Verfasser], et Gabriele [Akademischer Betreuer] Steidl. « Convex Analysis for Processing Hyperspectral Images and Data from Hadamard Spaces / Martin J. Montag ; Betreuer : Gabriele Steidl ». Kaiserslautern : Technische Universität Kaiserslautern, 2017. http://d-nb.info/1132582199/34.
Texte intégralJerhaoui, Othmane. « Viscosity theory of first order Hamilton Jacobi equations in some metric spaces ». Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAE016.
Texte intégralThe main subject of this thesis is the study first order Hamilton Jacobi equations posed in certain classes of metric spaces. Furthermore, the Hamiltonian of these equations can potentially present some structured discontinuities.In the first part of this thesis, we study a discontinuous first order Hamilton Jacobi Bellman equation defined on a stratification of R^N. The latter is a finite and disjoint union of smooth submanifolds of R^N called the the subdomains of R^N. On each subdomain, a continuous Hamiltonian is defined on it, However the global Hamiltonian in R^N presents discontinuities once one goes from one subdomain to the other. We give an optimal control interpretation of this problem and we use nonsmooth analysis techniques to prove that the value function is the unique viscosity solution to the discontinuous Hamilton Jacobi Bellman equation in this setting. The uniqueness of the solution is guaranteed by means of a strong comparison principle valid for any lower semicontinuous supersolution and any upper semicontinuous subsolution. As far as existence of the solution is concerned, we use the dynamic programming principle verified by the value function to prove that it is a viscosity solution of the discontinuous Hamilton Jacobi equation. Moreover, we prove some stability results in the presence of perturbations on the discontinuous Hamiltonian. Finally, by virtue of the comparison principle, we prove a general convergence result of monotone numerical schemes approximating this problem.The second part of this thesis is concerned with defining a novel notion of viscosity for first order Hamilton Jacobi equations defined in proper CAT(0) spaces. A metric space is said to be a CAT(0) space if, roughly speaking, it is a geodesic space and its geodesic triangles are "thinner" than the triangles of the Euclidean plane. They can be seen as a generalization of Hilbert spaces or Hadamard manifolds. Typical examples of CAT(0) spaces include Hilbert spaces, metric trees and networks obtained by gluing a finite number of half-spaces along their common boundary. We exploit the additional structure that these spaces enjoy to study stationary and time-dependent first order Hamilton-Jacobi equation in them. In particular, we want to recover the main features of viscosity theory: the comparison principle and Perron's method}.We define the notion of viscosity using test functions that are Lipschitz and can be represented as a difference of two semiconvex function. We show that this new notion of viscosity coincides with the classical one in R^N by studying the examples of Hamilton Jacobi Bellman and Hamilton Jacobi Isaacs' equations. Furthermore, we prove existence and uniqueness of the solution of Eikonal type equations posed in networks that can result from gluing half-spaces of different Hausdorff dimension.In the third part of this thesis, we study a Mayer optimal control problem on the space of Borel probability measures over a compact Riemannian manifold M. This is motivated by certain situations where a central planner of a deterministic controlled system has only imperfect information on the initial state of the system. The lack of information here is very specific. It is described by a Borel probability measure along which the initial state is distributed. We define the new notion of viscosity in this space in a similar manner as in the previous part by taking test functions that are Lipschitz and can be written as a difference of two semiconvex functions. With this choice of test functions, we extend the notion of viscosity to Hamilton Jacobi Bellman equations in Wasserstein spaces and we establish that the value function is the unique viscosity solution of a Hamilton Jacobi Bellman equation in the Wasserstein space over M
Cacais, Nieto Félix. « Compactificações diferenciáveis em espaços simétricos de tipo não compacto ». reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/159602.
Texte intégralIn this dissertation we will study some results proposed by Benoit Kloe kner [Kl2] in his do toral thesis. We mainly present the proof of non-existen e of diferentiable Hadamard compactific ations in symmetric spaces of non compact type of rank ≥ 2.
LIU, Jia-Qian, et 劉家騫. « Viscosity approximations with contractions in Hadamard spaces ». Thesis, 2016. http://ndltd.ncl.edu.tw/handle/83306164480387552879.
Texte intégral國立東華大學
應用數學系
104
In this thesis, I study Moudafi viscosity approximations from the paper [S. Huang, Viscosity approximations with weak contractions in geodesic metric spaces of nonpositive curvature, Journal of Nonlinear and Convex Analysis, 2016] under the supervision of my advisor, Professor Shuechin Huang. We first establish the results about Browder and Halpern type convergence theorems and then extend those results to Moudafi viscosity approximations by invoking NST conditions in a CAT(0) space. We also use matlab to plot the graphs of some examples over main theorems in the Euclidean space.
Kikianty, Eder. « Hermite-Hadamard inequality in the geometry of banach spaces ». Thesis, 2010. https://vuir.vu.edu.au/15793/.
Texte intégralBalser, Andreas [Verfasser]. « On the interplay between the Tits boundary and the interior of Hadamard spaces / von Andreas Balser ». 2006. http://d-nb.info/981950485/34.
Texte intégralWrochna, Michal. « Singularities of two-point functions in Quantum Field Theory ». Doctoral thesis, 2013. http://hdl.handle.net/11858/00-1735-0000-0001-BB3C-E.
Texte intégralLivres sur le sujet "Hadamard spaces"
Bačák, Miroslav. Convex analysis and optimization in Hadamard spaces. Berlin : Walter de Gruyter GmbH & Co. KG, 2014.
Trouver le texte intégralBacak, Miroslav. Convex Analysis and Optimization in Hadamard Spaces. de Gruyter GmbH, Walter, 2014.
Trouver le texte intégralBacak, Miroslav. Convex Analysis and Optimization in Hadamard Spaces. de Gruyter GmbH, Walter, 2014.
Trouver le texte intégralChapitres de livres sur le sujet "Hadamard spaces"
Guirao, Antonio José, Vicente Montesinos et Václav Zizler. « Weak Hadamard differentiability ». Dans Renormings in Banach Spaces, 373–76. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-08655-7_35.
Texte intégralRoth, Ron M. « Spectral-null codes and null spaces of Hadamard submatrices ». Dans Algebraic Coding, 141–53. Berlin, Heidelberg : Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/3-540-57843-9_15.
Texte intégralAbbas, Saïd, Mouffak Benchohra et Johnny Henderson. « Partial Hadamard-Stieltjes Fractional Integral Equations in Banach Spaces ». Dans Advances in Nonlinear Analysis via the Concept of Measure of Noncompactness, 375–91. Singapore : Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-3722-1_9.
Texte intégralKimura, Yasunori. « The Shrinking Projection Method and Resolvents on Hadamard Spaces ». Dans Indian Statistical Institute Series, 131–39. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-3059-9_7.
Texte intégralVedel, Yana, et Vladimir Semenov. « Adaptive Extraproximal Algorithm for the Equilibrium Problem in Hadamard Spaces ». Dans Optimization and Applications, 287–300. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62867-3_21.
Texte intégralTupker, Quinten, Salem Said et Cyrus Mostajeran. « Online Learning of Riemannian Hidden Markov Models in Homogeneous Hadamard Spaces ». Dans Lecture Notes in Computer Science, 37–44. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-80209-7_5.
Texte intégralSuryawanshi, Vaishali, Tanuja Sarode, Nimit Jhunjhunwala et Hamza Khan. « Evaluating Image Data Augmentation Technique Utilizing Hadamard Walsh Space for Image Classification ». Dans Proceedings in Adaptation, Learning and Optimization, 290–301. Cham : Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31164-2_24.
Texte intégralKaaviya, Ponharieesh Krishnakumar, Rajakumaran Jayaraman et Sakthi Dinesh Pounraj. « Texture Segmentation Using Gabor Filter And hadamard Transform With Small Space Analysis, Texture Frequency, Non-Linear Filtering, And Postprocessing ». Dans Advances in Computer Science Research, 101–7. Dordrecht : Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-250-7_19.
Texte intégral« 7 Probabilistic tools in Hadamard spaces ». Dans Convex Analysis and Optimization in Hadamard Spaces, 139–57. De Gruyter, 2014. http://dx.doi.org/10.1515/9783110361629.139.
Texte intégral« 3 Weak convergence in Hadamard spaces ». Dans Convex Analysis and Optimization in Hadamard Spaces, 58–68. De Gruyter, 2014. http://dx.doi.org/10.1515/9783110361629.58.
Texte intégralActes de conférences sur le sujet "Hadamard spaces"
« Hadamard type operators in spaces of holomorphic functions. » Dans Уфимская осенняя математическая школа - 2022. Т.1. Baskir State University, 2022. http://dx.doi.org/10.33184/mnkuomsh1t-2022-09-28.40.
Texte intégralMendel, Manor, et Assaf Naor. « Expanders with respect to Hadamard spaces and random graphs ». Dans ITCS'14 : Innovations in Theoretical Computer Science. New York, NY, USA : ACM, 2014. http://dx.doi.org/10.1145/2554797.2554829.
Texte intégralChen, Yi-chao, et Lewis T. Wheeler. « Stability of Elastic Half-Spaces by an Energy Method ». Dans ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0941.
Texte intégralZhu, Guijing, Long Ma, Xin Fan et Risheng Liu. « Hierarchical Bilevel Learning with Architecture and Loss Search for Hadamard-based Image Restoration ». Dans Thirty-First International Joint Conference on Artificial Intelligence {IJCAI-22}. California : International Joint Conferences on Artificial Intelligence Organization, 2022. http://dx.doi.org/10.24963/ijcai.2022/245.
Texte intégralOuyang, Xing, Guiyue Jin, Jiyu Jin et Zhisen Wang. « Walsh-Hadamard-Fourier transform based OFDM with space-multipath diversity ». Dans TENCON 2013 - 2013 IEEE Region 10 Conference. IEEE, 2013. http://dx.doi.org/10.1109/tencon.2013.6718853.
Texte intégralBaro, Mohan, et Jacek Ilow. « Space-Time Block Codes Based on Diagonalized Walsh-Hadamard Transform with Simple Decoupling ». Dans 2010 IEEE Vehicular Technology Conference (VTC 2010-Fall). IEEE, 2010. http://dx.doi.org/10.1109/vetecf.2010.5594147.
Texte intégralElganimi, Taissir Y., et Marwan B. Elkhoja. « Improved Orthogonal Space-Time Block Codes with Multiple Transmit Antennas Using Hadamard Transform ». Dans 2019 6th International Conference on Electrical and Electronics Engineering (ICEEE). IEEE, 2019. http://dx.doi.org/10.1109/iceee2019.2019.00040.
Texte intégralBurrell, Derek J., et Christopher T. Middlebrook. « Performance analysis of stationary Hadamard matrix diffusers in free-space optical communication links ». Dans Laser Communication and Propagation through the Atmosphere and Oceans VI, sous la direction de Alexander M. van Eijk, Stephen M. Hammel et Jeremy P. Bos. SPIE, 2017. http://dx.doi.org/10.1117/12.2273554.
Texte intégralPorto, M. S., T. L. da Silva, R. E. C. Porto, L. V. Agostini, I. V. da Silva et S. Bampi. « Design space exploration on the H.264 4/spl times/4 Hadamard transform ». Dans 2005 NORCHIP. IEEE, 2005. http://dx.doi.org/10.1109/norchp.2005.1597021.
Texte intégralZhu, Jie, Han Hai, Shuai Wang et Ping Wang. « A Novel Generalized Butson-type Hadamard Matrix-Aided Space Shift Keying Modulation Scheme ». Dans 2019 IEEE 2nd International Conference on Automation, Electronics and Electrical Engineering (AUTEEE). IEEE, 2019. http://dx.doi.org/10.1109/auteee48671.2019.9033387.
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